About AtriCure, Inc. - Common Stock Company overview from Wikipedia

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ATRC Stock Snapshot Price, market cap, P/E, EPS, ROE, debt/equity, 52-week range

Price

$46.10

Market Cap

$2.30B

P/E (TTM)

-192.1

EPS (TTM)

$-0.24

Revenue (TTM)

$535M

Div Yield

—

ROE

-2.4%

Debt/Equity

0.1

52W Range

$25 – $46

ATRC Stock Price Chart Daily OHLCV with technical indicators — pan, zoom, and customize your view

10-Year Performance Revenue, net income, margins and EPS trends

Revenue & Net Income $535M

2016-12-31 → 2025-12-31

EPS $-0.24

2019-12-31 → 2025-12-31

Free Cash Flow $48M

2016-12-31 → 2025-12-31

Margins -2.1%

2016-12-31 → 2025-12-31

Valuation P/E, P/S, P/B, EV/EBITDA ratios — is the stock expensive or cheap?

Metric

5Y trend

ATRC

Peer Median

P/E (TTM)

-192.1

33.1

P/S (TTM)

4.3

6.9

P/B

4.7

4.4

EV / EBITDA

-231.8

—

Price / FCF

47.5

—

Profitability Gross, operating and net margins; ROE, ROA, ROIC

Metric

5Y trend

ATRC

Peer Median

Gross Margin

75.0%

57.8%

Operating Margin

-1.8%

—

Net Profit Margin

-2.1%

2.5%

ROA

-1.8%

1.8%

ROE

-2.4%

2.6%

ROIC

-1.9%

—

Financial Health Debt, liquidity, solvency — balance sheet strength

Metric

5Y trend

ATRC

Peer Median

Debt / Equity

0.1

25.5

Current Ratio

4.0

5.9

Quick Ratio

2.9

—

Growth Revenue, EPS and net income growth: YoY, 3Y CAGR, 5Y CAGR

Metric

5Y trend

ATRC

Peer Median

Revenue YoY

14.9%

—

Revenue CAGR 3Y

17.4%

—

Revenue CAGR 5Y

20.9%

—

Per Share Metrics EPS, book value per share, cash flow per share, dividend per share

Metric

5Y trend

ATRC

Peer Median

EPS (Diluted)

$-0.24

—

Capital Efficiency Asset turnover, inventory turnover, receivables turnover

Metric

5Y trend

ATRC

Peer Median

ATRC Analyst Consensus Bullish and bearish analyst opinions, 12-month price target, upside

BUY 16 analysts

Strong Buy 4 25.0%
Buy 9 56.2%
Hold 3 18.8%
Sell 0 0.0%
Strong Sell 0 0.0%

12-Month Price Target

9 analysts · 2026-08-19

Median $50.00

Mean $47.33

Now $46.10

Low $36.00

High $55.00

Median target $50.00 +8.5%

Mean target $47.33 +2.7%

Earnings History EPS actual vs estimate, surprise %, beat rate, next earnings date

Avg Surprise

0.12%

Period	EPS Actual	EPS Est	Surprise
June 30, 2026	$0.18	$0.00	0.18%
March 31, 2026	$0.00	$-0.06	0.06%
Dec. 31, 2025	$0.04	$-0.10	0.14%
Sept. 30, 2025	$-0.01	$-0.12	0.11%
June 30, 2025	$-0.02	$-0.17	0.15%
March 31, 2025	$-0.14	$-0.23	0.09%

Peer comparison (GICS sub-industry) Key metrics vs sector peers

Ticker	Market Cap	P/E	Rev YoY	Net Margin	ROE	Gross Margin
ATRC	$1.97B	-164.8	14.9%	-2.1%	-2.4%	75.0%
PLSE	—	—	—	—	—	—
TMDX	$4.17B	25.0	37.1%	31.4%	48.1%	59.9%
AXGN	$1.54B	-96.3	20.2%	-7.0%	-13.0%	74.3%
BFLY	—	-12.3	19.0%	-79.0%	-35.9%	46.9%
LMAT	$1.85B	32.2	13.5%	23.1%	15.3%	71.5%
OMCL	$2.04B	1132.5	6.5%	0.17%	0.16%	42.5%
INSP	$2.64B	18.9	13.6%	16.0%	19.9%	85.4%
KMTS	$1.21B	-8.5	59.0%	-138.4%	-62.1%	51.4%
TNDM	$1.50B	-7.2	7.9%	-20.2%	-141.9%	53.8%

Full Fundamentals All metrics by year — income statement, balance sheet, cash flow

Income Statement 18

Annual Income Statement data for ATRC
Metric	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015	2014
Revenue	$535M	$465M	$399M	$330M	$274M	$207M	$231M	$202M	$175M	$155M	$130M	$107M
Cost of Revenue	$134M	$118M	$99M	$84M	$68M	$57M	$60M	$785.0K	$900.0K	$625.0K	$37M	$32M
Gross Profit	$401M	$348M	$300M	$246M	$206M	$149M	$170M	$147M	$126M	$111M	$93M	$76M
R&D Expense	$99M	$96M	$74M	$57M	$49M	$43M	$41M	$35M	$34M	$36M	$26M	$19M
SG&A Expense	$311M	$291M	$253M	$231M	$205M	$151M	$167M	$130M	$117M	$106M	$94M	$74M
Operating Expenses	$410M	$388M	$327M	$289M	$151M	$194M	$203M	$164M	$151M	$142M	$120M	$92M
Operating Income	$-9M	$-40M	$-27M	$-43M	$55M	$-44M	$-33M	$-17M	$-25M	$-31M	$-27M	$-16M
Interest Expense	·	·	$7M	$5M	$5M	$5M	$4M	$5M	$2M	$2M	$292.0K	$305.0K
Interest Income	$4M	$4M	$4M	$2M	$466.0K	$1M	$2M	$1M	$227.0K	$227.0K	$190.0K	$96.0K
Other Non-op	$683.0K	$-326.0K	$-31.0K	$-537.0K	$-366.0K	$-24.0K	$-160.0K	$-183.0K	$138.0K	$-586.0K	$-354.0K	$391.0K
Pretax Income	$-10M	$-44M	$-30M	$-46M	$50M	$-48M	$-35M	$-21M	$-27M	$-33M	$-27M	$-16M
Income Tax	$1M	$1M	$591.0K	$268.0K	$188.0K	$114.0K	$199.0K	$226.0K	$14.0K	$40.0K	$36.0K	$33.0K
Net Income	$-11M	$-45M	$-30M	$-46M	$50M	$-48M	$-35M	$-21M	$-27M	$-33M	$-27M	$-16M
EPS (Basic)	$-0.24	$-0.95	$-0.66	$-1.02	$1.11	$-1.14	$-0.94	·	·	·	·	·
EPS (Diluted)	$-0.24	$-0.95	$-0.66	$-1.02	$1.09	$-1.14	$-0.94	·	·	·	·	·
Shares (Basic)	47,750,000	46,965,000	46,309,000	45,740,000	45,066,000	42,125,000	37,589,000	·	·	·	·	·
Shares (Diluted)	47,750,000	46,965,000	46,309,000	45,740,000	46,039,000	42,125,000	37,589,000	·	·	·	·	·
EBITDA	$-9M	$-40M	$-27M	$-43M	$55M	$-44M	$-33M	$-17M	$-25M	$-31M	$-27M	$-16M

Balance Sheet 29

Annual Balance Sheet data for ATRC
Metric	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015	2014
Cash & Equivalents	$167M	$123M	$84M	$58M	$44M	$42M	$28M	$32M	$22M	$24M	$24M	$28M
Short-term Investments	·	$0	$53M	$63M	$75M	$202M	$53M	$92M	$13M	$20M	$11M	$31M
Receivables	$67M	$60M	$53M	$43M	$33M	$23M	$28M	$25M	$23M	$21M	$19M	$18M
Inventory	$78M	$75M	$68M	$46M	$39M	$35M	$29M	$22M	$22M	$18M	$18M	$14M
Prepaid Expense	$10M	$9M	$9M	$5M	$5M	$4M	$4M	$3M	$2M	·	·	·
Other Current Assets	·	·	·	·	·	·	·	·	$2M	$3M	$3M	$2M
Current Assets	$323M	$268M	$266M	$215M	$196M	$307M	$143M	$175M	$82M	$86M	$75M	$94M
PP&E (Net)	·	·	·	·	$31M	$28M	$33M	$27M	$29M	$30M	$31M	$12M
PP&E (Gross)	·	·	·	·	·	$65M	$66M	$54M	$50M	$44M	$39M	$19M
Accum. Depreciation	·	·	·	·	·	$37M	$33M	$27M	$22M	$14M	$7M	$8M
Goodwill	$235M	$235M	$235M	$235M	$235M	$235M	$235M	$105M	$105M	$105M	$105M	$35M
Intangibles	$48M	$56M	$64M	$39M	$43M	$128M	$130M	$49M	$51M	$52M	$54M	$9M
Other Non-current Assets	$3M	$3M	$2M	$2M	$955.0K	$440.0K	$705.0K	$495.0K	$676.0K	$321.0K	$323.0K	$186.0K
Total Assets	$654M	$609M	$614M	$585M	$615M	$715M	$558M	$357M	$268M	$276M	$273M	$158M
Accounts Payable	$25M	$25M	$27M	$20M	$19M	$13M	$15M	$10M	$12M	$11M	$13M	$8M
Accrued Liabilities	$53M	$46M	$45M	$33M	$36M	$28M	$33M	$26M	$19M	$16M	$18M	$14M
Current Liabilities	$82M	$73M	$75M	$58M	$56M	$49M	$50M	$40M	$32M	$29M	$32M	$26M
Capital Leases	$6M	$5M	$3M	$3M	$4M	$1M	$3M	$12M	$13M	$13M	$14M	$74.0K
Other Non-current Liabilities	$7M	$1M	$1M	$1M	$1M	$187M	$186M	$19M	$38M	$42M	$41M	$149.0K
Total Liabilities	$162M	$148M	$148M	$129M	$132M	$302M	$311M	$107M	$107M	$108M	$86M	$26M
Long-term Debt	·	·	·	$60M	$60M	$60M	$60M	·	·	·	·	·
Total Debt	$62M	$62M	$61M	$57M	$60M	$60M	$60M	$36M	$24M	$24M	·	·
Common Stock	$50.0K	$49.0K	$48.0K	$47.0K	$46.0K	$45.0K	$40.0K	$39.0K	$35.0K	$33.0K	$32.0K	$28.0K
Paid-in Capital	·	·	·	·	·	·	·	·	·	·	·	$271M
Retained Earnings	$-413M	$-402M	$-357M	$-327M	$-280M	$-330M	$-282M	$-247M	$-226M	$-199M	$-166M	$-138M
AOCI	$566.0K	$-1M	$-993.0K	$-4M	$-948.0K	$312.0K	$-158.0K	$-199.0K	$34.0K	$-468.0K	$-611.0K	$-348.0K
Stockholders' Equity	$492M	$461M	$466M	$457M	$484M	$412M	$247M	$249M	$161M	$168M	$187M	$133M
Liabilities + Equity	$654M	$609M	$614M	$585M	$615M	$715M	$558M	$357M	$268M	$276M	$273M	$158M
Shares Outstanding	49,792,000	48,869,000	47,526,000	46,563,000	46,016,000	45,346,000	39,655,000	38,604,000	34,586,000	33,342,000	32,274,000	27,580,000

Cash Flow 15

Annual Cash Flow data for ATRC
Metric	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015	2014
Stock-based Comp	$45M	$40M	$36M	$29M	$28M	$23M	$18M	$16M	$15M	$12M	$9M	$8M
Deferred Tax	$-62.0K	$6.0K	$-15.0K	$8.0K	$21.0K	$-12.0K	$26.0K	$51.0K	$-102.0K	·	·	·
Amort. of Intangibles	$8M	$8M	$5M	$4M	$3M	$2M	$2M	$2M	$1M	$2M	$1M	$1M
Operating Cash Flow	$57M	$12M	$4M	$-22M	$-14M	$-20M	$-16M	$-4M	$-9M	$-15M	$-8M	$-22M
CapEx	$9M	$11M	$12M	$17M	$10M	$5M	$12M	$6M	$6M	$8M	$13M	$6M
Investing Cash Flow	$-15M	$30M	$22M	$44M	$24M	$-156M	$-2M	$-85M	$4M	$-12M	$-11M	·
Debt Issued	$0	$61M	$0	$0	$5M	$0	$20M	$17M	·	·	·	·
Net Debt Issued	$0	$61M	$0	$0	$5M	·	$20M	·	·	·	·	·
Stock Issued	·	·	·	$0	$0	$189M	$0	$83M	·	·	·	$66M
Net Stock Activity	·	·	·	$0	$0	$189M	·	$83M	·	·	·	$66M
Financing Cash Flow	$1M	$-4M	$-32.0K	$-7M	$-8M	$189M	$14M	$100M	$3M	$28M	$14M	·
Net Change in Cash	$45M	$38M	$26M	$14M	$2M	$13M	$-4M	$10M	$-2M	$444.0K	$-5M	$13M
Taxes Paid	$1M	$619.0K	$395.0K	$192.0K	$190.0K	$217.0K	$259.0K	·	·	·	·	·
Free Cash Flow	$48M	$745.0K	$-8M	$-39M	$-24M	$-25M	$-28M	$-10M	$-15M	$-23M	$-21M	$-31M
Levered FCF	·	·	$-15M	$-44M	$-28M	$-30M	$-32M	$-15M	$-18M	$-25M	$-22M	$-31M

Profitability 8

Annual Profitability data for ATRC
Metric	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015	2014
Gross Margin	75.0%	74.7%	75.2%	74.4%	75.0%	72.3%	73.8%	73.0%	72.2%	71.6%	71.6%	70.5%
Operating Margin	-1.8%	-8.6%	-6.7%	-12.9%	20.1%	-21.4%	-14.3%	-8.5%	-14.3%	-20.1%	-20.6%	-15.2%
Net Margin	-2.1%	-9.6%	-7.6%	-14.1%	18.3%	-23.3%	-15.2%	-10.5%	-15.4%	-21.5%	-21.0%	-15.1%
Pretax Margin	-1.9%	-9.4%	-7.5%	-14.0%	18.4%	-23.3%	-15.2%	-10.4%	-15.4%	-21.5%	-20.9%	-15.1%
EBITDA Margin	-1.8%	-8.6%	-6.7%	-12.9%	20.1%	-21.4%	-14.3%	-8.5%	-14.3%	-20.1%	-20.6%	-15.2%
ROA	-1.8%	-7.3%	-5.1%	-7.7%	7.5%	-7.6%	-7.7%	-6.8%	-9.9%	-12.1%	-12.6%	-12.0%
ROE	-2.4%	-9.7%	-6.6%	-10.2%	10.3%	-11.6%	-13.9%	-10.2%	-16.3%	-18.8%	-17.1%	-15.8%
ROIC	-1.9%	-7.8%	-5.2%	-8.4%	10.1%	-9.4%	-10.8%	-6.1%	-13.5%	-16.2%	-14.3%	-12.4%

Liquidity & Solvency 5

Annual Liquidity & Solvency data for ATRC
Metric	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015	2014
Current Ratio	4.0	3.6	3.6	3.7	3.5	6.2	2.9	4.3	2.6	3.0	2.4	3.6
Quick Ratio	2.9	2.5	2.5	2.8	2.7	5.4	2.2	3.7	1.8	2.3	1.7	3.0
Debt / Equity	0.1	0.1	0.1	0.1	0.1	0.1	0.2	0.1	0.1	0.1	·	·
LT Debt / Equity	0.1	0.1	0.1	0.1	0.1	0.1	0.2	0.1	0.1	0.1	·	·
Interest Coverage	·	·	-3.9	-8.6	11.2	-9.1	-8.1	-3.7	-11.0	-17.3	-91.5	-53.6

Efficiency 3

Annual Efficiency data for ATRC
Metric	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015	2014
Asset Turnover	0.8	0.8	0.7	0.6	0.4	0.3	0.5	0.6	0.6	0.6	0.6	0.8
Inventory Turnover	1.7	1.6	1.7	2.0	1.9	0.0	0.0	0.0	2.4	2.5	2.3	2.6
Receivables Turnover	8.4	8.2	8.4	8.7	9.8	8.1	8.7	8.4	7.9	7.7	7.0	6.9

Per Share 5

Annual Per Share data for ATRC
Metric	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015	2014
Book Value / Share	$9.88	$9.43	$9.81	$9.81	$10.51	$9.09	$6.24	$6.46	$4.66	$5.05	$5.78	$4.81
Revenue / Share	$11.19	$9.91	$8.62	$7.22	$5.96	·	·	·	·	·	·	·
Cash Flow / Share	$1.20	$0.26	$0.10	$-0.48	$-0.30	·	·	·	·	·	·	·
Cash / Share	$3.36	$2.51	$1.77	$1.25	$0.95	$0.93	$0.72	$0.83	$0.63	$0.73	$0.74	$1.03
EPS (TTM)	$-0.24	$-0.95	$-0.66	$-1.02	$1.09	$-1.14	$-0.94	·	·	·	·	·

Growth Rates 3

Annual Growth Rates data for ATRC
Metric	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015	2014
Revenue YoY	14.9%	16.6%	20.8%	20.4%	32.8%	·	·	·	·	·	·	·
Revenue CAGR 3Y	17.4%	19.3%	24.6%	·	·	·	·	·	·	·	·	·
Revenue CAGR 5Y	20.9%	·	·	·	·	·	·	·	·	·	·	·

Valuation (TTM) 14

Annual Valuation (TTM) data for ATRC
Metric	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015	2014
Revenue TTM	$535M	$465M	$399M	$330M	$274M	$207M	$231M	$202M	$175M	$155M	$130M	$107M
Net Income TTM	$-11M	$-45M	$-30M	$-46M	$50M	$-48M	$-35M	$-21M	$-27M	$-33M	$-27M	$-16M
Market Cap	$1.97B	$1.49B	$1.70B	$2.07B	$3.20B	$2.52B	$1.29B	$1.18B	$631M	$653M	$724M	$550M
Enterprise Value	$1.86B	$1.43B	$1.62B	$2.00B	$3.14B	$2.34B	$1.27B	$1.09B	$620M	$632M	·	·
P/E	-164.8	-32.2	-54.1	-43.5	63.8	-48.8	-34.6	·	·	·	·	·
P/S	3.7	3.2	4.2	6.3	11.7	12.2	5.6	5.9	3.6	4.2	5.6	5.1
P/B	4.0	3.2	3.6	4.5	6.6	6.1	5.2	4.7	3.9	3.9	3.9	4.2
P / Tangible Book	9.4	8.8	10.1	11.3	15.5	51.1	·	·	·	·	·	·
P / Cash Flow	34.4	122.4	378.3	-93.3	-232.2	-127.1	-81.5	-283.2	-70.5	-43.2	-92.4	-25.5
P / FCF	40.8	2004.6	-225.7	-53.0	-136.0	-100.5	-46.1	-113.8	-41.2	-28.6	-34.0	-17.9
EV / EBITDA	-197.3	-35.8	-60.7	-46.9	56.9	-52.9	-38.3	-63.8	-24.8	-20.3	·	·
EV / FCF	38.6	1922.9	-215.5	-51.3	-133.4	-93.1	-45.3	-105.2	-40.5	-27.7	·	·
EV / Revenue	3.5	3.1	4.1	6.1	11.4	11.3	5.5	5.4	3.6	4.1	·	·
Earnings Yield	-0.61%	-3.1%	-1.8%	-2.3%	1.6%	-2.1%	-2.9%	·	·	·	·	·

Income Statement 18

Quarterly Income Statement data for ATRC
Metric	Q2 2026	Q1 2026	Q4 2025	Q3 2025	Q2 2025	Q1 2025	Q4 2024	Q3 2024	Q2 2024	Q1 2024	Q4 2023	Q3 2023	Q2 2023	Q1 2023	Q4 2022	Q3 2022
Revenue	$154M	$141M	$140M	$134M	$136M	$124M	$124M	$116M	$116M	$109M	$107M	$98M	$101M	$93M	$88M	$83M
Cost of Revenue	$35M	$32M	$35M	$33M	$35M	$31M	$32M	$29M	$29M	$28M	$27M	$24M	$24M	$24M	$23M	$22M
Gross Profit	$119M	$109M	$105M	$101M	$101M	$93M	$93M	$87M	$87M	$81M	$80M	$74M	$77M	$70M	$65M	$62M
R&D Expense	$26M	$24M	$25M	$23M	$29M	$23M	$35M	$21M	$20M	$20M	$21M	$20M	$17M	$15M	$14M	$15M
SG&A Expense	$83M	$85M	$78M	$78M	$78M	$76M	$72M	$73M	$74M	$72M	$68M	$62M	$64M	$60M	$56M	$57M
Operating Expenses	$109M	$109M	$103M	$101M	$108M	$99M	$107M	$94M	$94M	$92M	$88M	$82M	$81M	$75M	$69M	$72M
Operating Income	$10M	$526.0K	$2M	$208.0K	$-6M	$-6M	$-15M	$-7M	$-7M	$-11M	$-9M	$-8M	$-4M	$-6M	$-4M	$-11M
Interest Expense	·	·	·	·	·	·	·	·	·	$2M	·	$2M	$2M	$2M	·	$1M
Interest Income	$1M	$1M	$1M	$1M	$941.0K	$1M	$1M	$1M	$997.0K	$952.0K	$1M	$915.0K	$961.0K	$875.0K	$1M	$370.0K
Other Non-op	$-100.0K	$-37.0K	$42.0K	$9.0K	$812.0K	$-180.0K	$-532.0K	$260.0K	$28.0K	$-82.0K	$9.0K	$-62.0K	$-123.0K	$145.0K	$216.0K	$-549.0K
Pretax Income	$9M	$394.0K	$2M	$-86.0K	$-6M	$-7M	$-15M	$-8M	$-8M	$-13M	$-9M	$-9M	$-5M	$-6M	$-4M	$-12M
Income Tax	$471.0K	$286.0K	$604.0K	$181.0K	$261.0K	$239.0K	$266.0K	$322.0K	$253.0K	$183.0K	$373.0K	$47.0K	$93.0K	$78.0K	$121.0K	$46.0K
Net Income	$9M	$108.0K	$2M	$-267.0K	$-6M	$-7M	$-16M	$-8M	$-8M	$-13M	$-10M	$-9M	$-5M	$-6M	$-4M	$-12M
EPS (Basic)	$0.18	$0.00	$0.04	$-0.01	$-0.13	$-0.14	$-0.33	$-0.17	$-0.17	$-0.28	$-0.21	$-0.20	$-0.11	$-0.14	$-0.10	$-0.27
EPS (Diluted)	$0.18	$0.00	$0.04	$-0.01	$-0.13	$-0.14	$-0.33	$-0.17	$-0.17	$-0.28	$-0.21	$-0.20	$-0.11	$-0.14	$-0.10	$-0.27
Shares (Basic)	48,667,000	48,334,000	-95,284,000	47,920,000	47,721,000	47,393,000	-93,768,000	47,105,000	46,909,000	46,719,000	-92,475,000	46,411,000	46,266,000	46,107,000	-91,303,000	45,823,000
Shares (Diluted)	48,868,000	49,046,000	-95,284,000	47,920,000	47,721,000	47,393,000	-93,768,000	47,105,000	46,909,000	46,719,000	-92,475,000	46,411,000	46,266,000	46,107,000	-91,303,000	45,823,000
EBITDA	$10M	$526.0K	·	$208.0K	$-6M	$-6M	·	$-7M	$-7M	$-11M	·	$-8M	$-4M	$-6M	·	$-11M

Balance Sheet 25

Quarterly Balance Sheet data for ATRC
Metric	Q2 2026	Q1 2026	Q4 2025	Q3 2025	Q2 2025	Q1 2025	Q4 2024	Q3 2024	Q2 2024	Q1 2024	Q4 2023	Q3 2023	Q2 2023	Q1 2023	Q4 2022	Q3 2022
Cash & Equivalents	$168M	$146M	$167M	$148M	$118M	$100M	$123M	$130M	$106M	$65M	·	$81M	$67M	$77M	·	$49M
Short-term Investments	·	·	·	·	·	·	·	$0	$8M	$41M	·	$52M	$60M	$59M	·	$74M
Receivables	$80M	$71M	$67M	$63M	$66M	$63M	$60M	$55M	$56M	$55M	·	$52M	$48M	$46M	·	$41M
Inventory	$84M	$81M	$78M	$79M	$76M	$75M	$75M	$77M	$74M	$72M	·	$62M	$55M	$49M	·	$44M
Prepaid Expense	$14M	$15M	$10M	$11M	$11M	$13M	$9M	$7M	$10M	$12M	·	$6M	$7M	$8M	·	$4M
Current Assets	$346M	$314M	$323M	$301M	$271M	$251M	$268M	$269M	$253M	$245M	·	$253M	$238M	$238M	·	$212M
PP&E (Net)	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·	$39M
Goodwill	$235M	$235M	$235M	$235M	$235M	$235M	$235M	$235M	$235M	$235M	$235M	$235M	$235M	$235M	$235M	$235M
Intangibles	$43M	$46M	$48M	$50M	$52M	$54M	$56M	$58M	$60M	$62M	·	$66M	$67M	$39M	·	$40M
Other Non-current Assets	$5M	$4M	$3M	$3M	$3M	$3M	$3M	$3M	$3M	$3M	·	$2M	$2M	$2M	·	$829.0K
Total Assets	$677M	$644M	$654M	$635M	$609M	$592M	$609M	$615M	$597M	$592M	·	$600M	$594M	$583M	·	$582M
Accounts Payable	$36M	$31M	$25M	$25M	$26M	$25M	$25M	$32M	$27M	$29M	·	$25M	$24M	$24M	·	$24M
Accrued Liabilities	$43M	$40M	$53M	$49M	$40M	$33M	$46M	$40M	$32M	$30M	·	$37M	$32M	$28M	·	$31M
Current Liabilities	$82M	$73M	$82M	$78M	$69M	$61M	$73M	$74M	$61M	$61M	·	$83M	$71M	$62M	·	$58M
Capital Leases	$5M	$5M	$6M	$6M	$6M	$6M	$5M	$5M	$3M	$3M	·	$3M	$3M	$4M	·	$3M
Other Non-current Liabilities	$7M	$7M	$7M	$7M	$1M	$1M	$1M	$1M	$1M	$1M	·	$1M	$1M	$1M	·	$1M
Total Liabilities	$160M	$152M	$162M	$159M	$144M	$137M	$148M	$150M	$135M	$135M	·	$137M	$132M	$128M	·	$132M
Long-term Debt	$61M	$61M	·	$62M	$62M	$62M	·	$62M	$62M	$62M	·	$60M	$60M	$60M	·	$60M
Total Debt	$61M	$61M	·	$62M	$62M	$62M	·	$62M	$62M	$62M	·	$42M	$47M	$52M	·	$60M
Common Stock	$51.0K	$51.0K	$50.0K	$50.0K	$50.0K	$49.0K	$49.0K	$49.0K	$49.0K	$48.0K	·	$47.0K	$47.0K	$47.0K	·	$46.0K
Retained Earnings	$-404M	$-413M	$-413M	$-415M	$-415M	$-409M	$-402M	$-386M	$-378M	$-370M	·	$-347M	$-338M	$-333M	·	$-322M
AOCI	$101.0K	$227.0K	$566.0K	$573.0K	$749.0K	$-230.0K	$-1M	$-147.0K	$-569.0K	$-697.0K	·	$-2M	$-3M	$-3M	·	$-5M
Stockholders' Equity	$516M	$492M	$492M	$477M	$464M	$455M	$461M	$465M	$462M	$456M	$466M	$463M	$462M	$455M	$457M	$450M
Liabilities + Equity	$677M	$644M	$654M	$635M	$609M	$592M	$609M	$615M	$597M	$592M	·	$600M	$594M	$583M	·	$582M
Shares Outstanding	50,863,000	50,634,000	49,792,000	49,713,000	49,691,000	49,493,000	48,869,000	48,748,000	48,686,000	48,381,000	·	47,392,000	47,352,000	47,244,000	·	46,443,000

Cash Flow 12

Quarterly Cash Flow data for ATRC
Metric	Q2 2026	Q1 2026	Q4 2025	Q3 2025	Q2 2025	Q1 2025	Q4 2024	Q3 2024	Q2 2024	Q1 2024	Q4 2023	Q3 2023	Q2 2023	Q1 2023	Q4 2022	Q3 2022
Stock-based Comp	$12M	$11M	$11M	$12M	$11M	$10M	$10M	$10M	$10M	$9M	$9M	$9M	$9M	$9M	$7M	$7M
Amort. of Intangibles	$2M	$2M	$2M	$2M	$2M	$2M	$2M	$2M	$2M	$2M	$2M	$2M	$1M	$738.0K	$739.0K	$971.0K
Operating Cash Flow	$22M	$-4M	$20M	$27M	$22M	$-11M	$6M	$20M	$7M	$-21M	$4M	$2M	$3M	$-4M	$46.0K	$-2M
CapEx	$4M	$4M	$2M	$3M	$3M	$2M	$3M	$4M	$2M	$3M	$3M	$4M	$3M	$3M	$4M	$5M
Investing Cash Flow	$-4M	$-4M	$-3M	$-3M	$-8M	$-2M	$-15M	$4M	$31M	$10M	$-3M	$12M	$-16M	$29M	$7M	$-3M
Debt Issued	·	·	$0	$0	$0	$0	$0	$0	$0	$61M	$0	$0	$0	$0	·	·
Net Debt Issued	·	·	·	·	·	$0	·	·	·	$61M	·	·	·	·	·	·
Financing Cash Flow	$3M	$-13M	$2M	$6M	$3M	$-10M	$2M	$-333.0K	$3M	$-8M	$2M	$132.0K	$3M	$-6M	$2M	$-405.0K
Net Change in Cash	$22M	$-21M	$20M	$30M	$18M	$-23M	$-8M	$24M	$41M	$-19M	$4M	$13M	$-10M	$19M	$9M	$-6M
Taxes Paid	$962.0K	$91.0K	$-340.0K	$748.0K	$766.0K	$116.0K	$43.0K	$67.0K	$492.0K	$17.0K	$167.0K	$69.0K	$171.0K	$-12.0K	·	·
Free Cash Flow	·	$-8M	·	·	·	$-13M	·	·	·	$-24M	·	·	·	$-7M	·	·
Levered FCF	·	·	·	·	·	·	·	·	·	$-25M	·	·	·	$-8M	·	·

Profitability 8

Quarterly Profitability data for ATRC
Metric	Q2 2026	Q1 2026	Q4 2025	Q3 2025	Q2 2025	Q1 2025	Q4 2024	Q3 2024	Q2 2024	Q1 2024	Q4 2023	Q3 2023	Q2 2023	Q1 2023	Q4 2022	Q3 2022
Gross Margin	77.2%	77.4%	·	75.5%	74.5%	74.9%	·	74.9%	74.7%	74.7%	·	75.1%	76.4%	74.5%	·	74.1%
Operating Margin	6.3%	0.37%	·	0.15%	-4.5%	-4.8%	·	-6.4%	-6.2%	-10.0%	·	-8.2%	-4.1%	-6.2%	·	-12.9%
Net Margin	5.8%	0.08%	·	-0.20%	-4.5%	-5.5%	·	-6.8%	-6.9%	-12.2%	·	-9.2%	-5.1%	-6.9%	·	-14.7%
Pretax Margin	6.1%	0.28%	·	-0.06%	-4.4%	-5.3%	·	-6.5%	-6.7%	-12.0%	·	-9.2%	-5.0%	-6.8%	·	-14.7%
EBITDA Margin	6.3%	0.37%	·	0.15%	-4.5%	-4.8%	·	-6.4%	-6.2%	-10.0%	·	-8.2%	-4.1%	-6.2%	·	-12.9%
ROA	1.4%	0.02%	·	-0.04%	-1.0%	-1.1%	·	-1.3%	-1.3%	-2.3%	·	-1.5%	-0.87%	-1.1%	·	-2.1%
ROE	1.8%	0.02%	·	-0.06%	-1.3%	-1.5%	·	-1.7%	-1.7%	-2.9%	·	-2.0%	-1.1%	-1.4%	·	-2.6%
ROIC	1.6%	0.03%	·	0.12%	-1.2%	-1.2%	·	-1.5%	-1.4%	-2.1%	·	-1.6%	-0.83%	-1.1%	·	-2.1%

Liquidity & Solvency 5

Quarterly Liquidity & Solvency data for ATRC
Metric	Q2 2026	Q1 2026	Q4 2025	Q3 2025	Q2 2025	Q1 2025	Q4 2024	Q3 2024	Q2 2024	Q1 2024	Q4 2023	Q3 2023	Q2 2023	Q1 2023	Q4 2022	Q3 2022
Current Ratio	4.2	4.3	·	3.9	3.9	4.1	·	3.6	4.1	4.0	·	3.1	3.3	3.8	·	3.7
Quick Ratio	3.0	3.0	·	2.7	2.7	2.7	·	2.5	2.8	2.6	·	2.2	2.5	2.9	·	2.8
Debt / Equity	0.1	0.1	·	0.1	0.1	0.1	·	0.1	0.1	0.1	·	0.1	0.1	0.1	·	0.1
LT Debt / Equity	0.1	0.1	·	0.1	0.1	0.1	·	0.1	0.1	0.1	·	0.1	0.1	0.1	·	0.1
Interest Coverage	·	·	·	·	·	·	·	·	·	-6.5	·	-4.6	-2.4	-3.5	·	-8.1

Efficiency 3

Quarterly Efficiency data for ATRC
Metric	Q2 2026	Q1 2026	Q4 2025	Q3 2025	Q2 2025	Q1 2025	Q4 2024	Q3 2024	Q2 2024	Q1 2024	Q4 2023	Q3 2023	Q2 2023	Q1 2023	Q4 2022	Q3 2022
Asset Turnover	0.2	0.2	·	0.2	0.2	0.2	·	0.2	0.2	0.2	·	0.2	0.2	0.2	·	0.1
Inventory Turnover	0.4	0.4	·	0.4	0.5	0.4	·	0.4	0.5	0.5	·	0.5	0.5	0.5	·	0.5
Receivables Turnover	2.1	2.1	·	2.3	2.2	2.1	·	2.2	2.2	2.2	·	2.1	2.2	2.2	·	2.2

Per Share 5

Quarterly Per Share data for ATRC
Metric	Q2 2026	Q1 2026	Q4 2025	Q3 2025	Q2 2025	Q1 2025	Q4 2024	Q3 2024	Q2 2024	Q1 2024	Q4 2023	Q3 2023	Q2 2023	Q1 2023	Q4 2022	Q3 2022
Book Value / Share	$10.15	$9.71	·	$9.59	$9.35	$9.19	·	$9.54	$9.49	$9.43	·	$9.77	$9.77	$9.63	·	$9.70
Revenue / Share	$3.14	$2.88	·	$2.80	$2.85	$2.61	·	$2.46	$2.48	$2.33	·	$2.12	$2.18	$2.03	·	$1.82
Cash Flow / Share	·	$-0.08	·	·	·	$-0.23	·	·	·	$-0.45	·	·	·	$-0.09	·	·
Cash / Share	$3.30	$2.89	·	$2.97	$2.37	$2.02	·	$2.67	$2.18	$1.34	·	$1.70	$1.42	$1.64	·	$1.05
EPS (TTM)	$0.04	$-0.28	·	$-0.45	$-0.61	$-0.76	·	$-0.82	$-0.76	$-0.73	·	$-0.72	$-0.84	$-1.06	·	$1.19

Valuation (TTM) 14

Quarterly Valuation (TTM) data for ATRC
Metric	Q2 2026	Q1 2026	Q4 2025	Q3 2025	Q2 2025	Q1 2025	Q4 2024	Q3 2024	Q2 2024	Q1 2024	Q4 2023	Q3 2023	Q2 2023	Q1 2023	Q4 2022	Q3 2022
Revenue TTM	$565M	$535M	·	$510M	$492M	$465M	·	$439M	$424M	$402M	·	$376M	$362M	$336M	·	$316M
Net Income TTM	$3M	$-13M	·	$-21M	$-29M	$-36M	·	$-38M	$-35M	$-34M	·	$-33M	$-39M	$-49M	·	$55M
Market Cap	$1.42B	$1.44B	·	$1.75B	$1.63B	$1.60B	·	$1.37B	$1.11B	$1.47B	·	$2.08B	$2.34B	$1.96B	·	$1.82B
Enterprise Value	$1.32B	$1.36B	·	$1.67B	$1.57B	$1.56B	·	$1.30B	$1.06B	$1.43B	·	$1.98B	$2.26B	$1.87B	·	$1.75B
P/E	699.5	-101.9	·	-78.3	-53.7	-42.4	·	-34.2	-30.0	-41.7	·	-60.8	-58.8	-39.1	·	32.9
P/S	2.5	2.7	·	3.4	3.3	3.4	·	3.1	2.6	3.7	·	5.5	6.5	5.8	·	5.8
P/B	2.8	2.9	·	3.7	3.5	3.5	·	2.9	2.4	3.2	·	4.5	5.1	4.3	·	4.0
P / Tangible Book	6.0	6.8	·	9.1	9.2	9.6	·	8.0	6.6	9.2	·	12.8	14.6	10.8	·	10.4
P / Cash Flow	·	-361.5	·	·	·	-144.8	·	·	·	-70.0	·	·	·	-480.1	·	·
P / FCF	·	-184.1	·	·	·	-120.9	·	·	·	-61.9	·	·	·	-297.6	·	·
EV / EBITDA	136.2	2584.5	·	8011.5	-253.9	-261.8	·	-175.3	-147.4	-130.8	·	-245.4	-544.7	-324.2	·	-163.5
EV / FCF	·	-173.2	·	·	·	-118.0	·	·	·	-60.0	·	·	·	-284.8	·	·
EV / Revenue	2.3	2.5	·	3.3	3.2	3.4	·	3.0	2.5	3.6	·	5.3	6.2	5.6	·	5.6
Earnings Yield	0.14%	-0.98%	·	-1.3%	-1.9%	-2.4%	·	-2.9%	-3.3%	-2.4%	·	-1.6%	-1.7%	-2.6%	·	3.0%

Financial Statements Income statement, balance sheet, cash flow — annual, last 5 years

Income Statement

	2025-12-31	2024-12-31	2023-12-31	2022-12-31	2021-12-31
Revenue	$535M	$465M	$399M	$330M	$274M
Gross Margin %	75.0%	74.7%	75.2%	74.4%	75.0%
Operating Margin %	-1.8%	-8.6%	-6.7%	-12.9%	20.1%
Net Income	$-11M	$-45M	$-30M	$-46M	$50M
Diluted EPS	$-0.24	$-0.95	$-0.66	$-1.02	$1.09

Balance Sheet

	2025-12-31	2024-12-31	2023-12-31	2022-12-31	2021-12-31
Debt / Equity	0.1	0.1	0.1	0.1	0.1
Current Ratio	4.0	3.6	3.6	3.7	3.5
Quick Ratio	2.9	2.5	2.5	2.8	2.7

Cash Flow

	2025-12-31	2024-12-31	2023-12-31	2022-12-31	2021-12-31
Free Cash Flow	$48M	$745.0K	$-8M	$-39M	$-24M

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Institutional owners (13F) 271 filers · $1.1B total · As of June 30, 2026

Institutions that report holding this stock in their quarterly SEC Form 13F. Long positions only; a single filer may appear twice for separate option legs. Large offsetting put/call legs typically reflect market-making or hedged inventory, not directional conviction.

Institutional activity — Q2 2026 vs prior quarter

New positions	Exited positions	Increased	Decreased	Net shares change
62 (+29 vs prior Q)	22 (-16 vs prior Q)	90 (+22 vs prior Q)	58 (-15 vs prior Q)	+8.1M

Compared to Q1 2026. SEC Form 13F filings are due within 45 days of quarter-end plus a short buffer for late filers — quarters still inside that window are skipped in favor of the most recent fully-reported pair.

Institution	Value	Shares	% of tracked 13F	Type
VANGUARD PORTFOLIO MANAGEMENT LLC	$87,498,916	3,127,195	8.02%	Shares
Hood River Capital Management LLC	$81,290,266	2,905,299	7.45%	Shares
ALLIANCEBERNSTEIN L.P.	$78,981,453	2,768,365	7.24%	Shares
WELLINGTON MANAGEMENT GROUP LLP	$64,533,296	2,306,408	5.92%	Shares
VANGUARD CAPITAL MANAGEMENT LLC	$61,287,756	2,190,413	5.62%	Shares
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.	$48,525,000	1,734,279	4.45%	Shares
STATE STREET CORP	$38,935,240	1,389,989	3.57%	Shares
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	$36,267,928	1,296,209	3.33%	Shares
GEODE CAPITAL MANAGEMENT, LLC	$31,665,130	1,131,439	2.90%	Shares
DIMENSIONAL FUND ADVISORS LP	$27,419,645	979,973	2.51%	Shares
Champlain Investment Partners, LLC	$26,261,105	938,567	2.41%	Shares
NEUBERGER BERMAN GROUP LLC	$25,779,232	919,375	2.36%	Shares
KENNEDY CAPITAL MANAGEMENT LLC	$24,000,880	857,787	2.20%	Shares
Divisadero Street Capital Management, LP	$22,410,049	800,931	2.05%	Shares
Point72 Asset Management, L.P.	$16,910,552	604,380	1.55%	Shares
DAFNA Capital Management LLC	$16,716,119	597,431	1.53%	Shares
Grandeur Peak Global Advisors, LLC	$16,435,424	587,399	1.51%	Shares
First Light Asset Management, LLC	$15,888,107	567,838	1.46%	Shares
MASSACHUSETTS FINANCIAL SERVICES CO /MA/	$15,703,076	561,225	1.44%	Shares
Qube Research & Technologies Ltd	$15,691,856	560,824	1.44%	Shares
AQR CAPITAL MANAGEMENT LLC	$15,061,449	538,293	1.38%	Shares
TWO SIGMA INVESTMENTS, LP	$14,711,744	525,795	1.35%	Shares
FMR LLC	$14,151,109	505,758	1.30%	Shares
OSTERWEIS CAPITAL MANAGEMENT INC	$14,027,913	501,355	1.29%	Shares
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	$11,838,506	423,106	1.09%	Shares
TWO SIGMA ADVISERS, LP	$10,985,812	277,700	1.01%	Shares
PANAGORA ASSET MANAGEMENT INC	$10,886,990	389,099	1.00%	Shares
MARSHALL WACE, LLP	$10,558,840	377,371	0.97%	Shares
NORGES BANK	$10,474,649	374,362	0.96%	Shares
WCM INVESTMENT MANAGEMENT, LLC	$10,076,025	351,081	0.92%	Shares
VANGUARD FIDUCIARY TRUST CO	$10,046,163	359,048	0.92%	Shares
Connor, Clark & Lunn Investment Management Ltd.	$9,388,129	335,530	0.86%	Shares
Point72 (DIFC) Ltd	$9,237,777	262,065	0.85%	Shares
First Eagle Investment Management, LLC	$8,328,051	297,643	0.76%	Shares
BANK OF AMERICA CORP /DE/	$7,663,162	273,880	0.70%	Shares
WASATCH ADVISORS LP	$7,244,651	253,931	0.66%	Shares
RENAISSANCE TECHNOLOGIES LLC	$6,550,118	234,100	0.60%	Shares
Universal- Beteiligungs- und Servicegesellschaft mbH	$6,332,938	226,338	0.58%	Shares
NICHOLAS COMPANY, INC.	$5,724,568	204,595	0.52%	Shares
D. E. Shaw & Co., Inc.	$5,395,216	192,824	0.49%	Shares
CITADEL ADVISORS LLC	$4,961,945	177,339	0.45%	Shares
Advisors Capital Management, LLC	$4,882,398	174,496	0.45%	Shares
Meros Investment Management, LP	$4,756,600	170,000	0.44%	Shares
STATE OF WISCONSIN INVESTMENT BOARD	$4,248,343	151,835	0.39%	Shares
Topline Capital Management, LLC	$3,874,950	138,490	0.36%	Shares
RICE HALL JAMES & ASSOCIATES, LLC	$3,755,112	134,207	0.34%	Shares
Allianz Asset Management GmbH	$3,485,168	122,158	0.32%	Shares
GOLDMAN SACHS GROUP INC	$3,297,947	117,868	0.30%	Shares
Caption Management, LLC	$2,798,000	100,000	0.26%	Put option
ADAGE CAPITAL PARTNERS GP, L.L.C.	$2,798,000	100,000	0.26%	Shares
Swiss National Bank	$2,700,070	96,500	0.25%	Shares
LPL Financial LLC	$2,598,153	92,858	0.24%	Shares
ExodusPoint Capital Management, LP	$2,416,241	86,356	0.22%	Shares
HighMark Wealth Management LLC	$2,342,485	83,720	0.21%	Shares
Susquehanna Portfolio Strategies, LLC	$2,240,890	80,089	0.21%	Shares
Emerald Investment Advisers, LLC	$2,213,274	79,102	0.20%	Shares
AMERIPRISE FINANCIAL INC	$2,182,665	78,008	0.20%	Shares
Bridgewater Associates, LP	$2,135,070	76,307	0.20%	Shares
Orion Portfolio Solutions, LLC	$2,055,156	63,706	0.19%	Shares
Riverwater Partners LLC	$2,003,256	71,596	0.18%	Shares
Schonfeld Strategic Advisors LLC	$1,909,439	68,243	0.18%	Shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP	$1,821,498	65,100	0.17%	Put option
RHUMBLINE ADVISERS	$1,788,358	63,916	0.16%	Shares
Assenagon Asset Management S.A.	$1,744,105	62,334	0.16%	Shares
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	$1,710,288	59,947	0.16%	Shares
PARADIGM CAPITAL MANAGEMENT INC/NY	$1,703,982	60,900	0.16%	Shares
Granite Investment Partners, LLC	$1,646,007	58,828	0.15%	Shares
ENVESTNET ASSET MANAGEMENT INC	$1,542,845	55,141	0.14%	Shares
Orion Porfolio Solutions, LLC	$1,541,838	55,105	0.14%	Shares
Brevan Howard Capital Management LP	$1,523,427	54,447	0.14%	Shares
Knott David M Jr	$1,438,172	51,400	0.13%	Shares
VOLORIDGE INVESTMENT MANAGEMENT, LLC	$1,415,284	50,582	0.13%	Shares
SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC	$1,412,542	50,484	0.13%	Shares
DIVERSIFIED TRUST CO	$1,405,211	50,222	0.13%	Shares
B. Metzler seel. Sohn & Co. AG	$1,395,530	49,876	0.13%	Shares
FIRST TRUST ADVISORS LP	$1,354,427	48,407	0.12%	Shares
Engineers Gate Manager LP	$1,347,517	48,160	0.12%	Shares
Cubist Systematic Strategies, LLC	$1,319,567	37,434	0.12%	Shares
Bank of New York Mellon Corp	$1,306,554	46,696	0.12%	Shares
VANGUARD ASSET MANAGEMENT, Ltd	$1,253,056	44,784	0.11%	Shares
SCOTIA CAPITAL INC.	$1,161,193	41,495	0.11%	Shares
IEQ CAPITAL, LLC	$1,160,723	41,484	0.11%	Shares
BlackRock, Inc.	$1,117,381	39,935	0.10%	Shares
Caption Management, LLC	$1,095,921	39,168	0.10%	Shares
XTX Topco Ltd	$1,042,199	37,248	0.10%	Shares
WINTON GROUP Ltd	$1,001,684	35,800	0.09%	Shares
Marks Group Wealth Management, Inc	$961,785	34,374	0.09%	Shares
EntryPoint Capital, LLC	$862,651	30,831	0.08%	Shares
Zurcher Kantonalbank (Zurich Cantonalbank)	$851,571	30,435	0.08%	Shares
MetLife Investment Management, LLC	$844,968	30,199	0.08%	Shares
VOYA INVESTMENT MANAGEMENT LLC	$792,198	28,313	0.07%	Shares
Trexquant Investment LP	$749,416	26,784	0.07%	Shares
Mariner, LLC	$744,209	26,596	0.07%	Shares
CITIGROUP INC	$739,539	26,431	0.07%	Shares
BARCLAYS PLC	$712,735	25,473	0.07%	Shares
MANUFACTURERS LIFE INSURANCE COMPANY, THE	$699,080	24,985	0.06%	Shares
Man Group plc	$683,915	24,443	0.06%	Shares
JANUS HENDERSON GROUP PLC	$652,852	22,883	0.06%	Shares
Dynamic Technology Lab Private Ltd	$644,000	23,016	0.06%	Shares
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	$643,372	22,994	0.06%	Shares

Company insiders 44 insiders · 21 officers · 12 directors

Insider	Role	Last activity	Shares owned	Sells 12m	Net 12m
Michael H Carrel	President, CEO, & Director	July 30, 2026 G	774,434	0	$0
David J Drachman	President and CEO	Sept. 12, 2012 M	146,000	0	$0
Andrew M. Wade	CFO	June 30, 2020 A	140,537	0	$0
Julie A Piton	VP Fin & Admin & CFO	Feb. 17, 2012 F	96,510	0	$0
Thomas J Etergino	Vice President and CFO	June 21, 2006 A	—	0	$0
Douglas J Seith	Chief Operating Officer	June 30, 2026 A	229,867	0	$0
Justin J Noznesky	Chief Mktg & Strategy Officer	July 29, 2026 S	100,219	1	$-239,862
Vinayak Doraiswamy	Chief Scientific Officer	July 28, 2026 S	86,511	1	$-233,280
Karl S. Dahlquist	Chief Legal Officer	June 30, 2026 A	96,689	0	$0
Salvatore Privitera	Chief Technical Officer	June 30, 2026 A	158,684	0	$0
Andrew L Lux	SVP, Ops & Quality	June 30, 2017 A	66,549	0	$0
Patricia J Kennedy	VP and GM, International	Oct. 27, 2015 F	63,124	0	$0
James L Lucky	VP, Clinical, Regulatory & QS	March 5, 2013 M	51,250	0	$0
Stewart W Strong	VP Global Marketing	Feb. 9, 2012 F	43,098	0	$0
Frederick Preiss	Vice President Operations	Feb. 9, 2012 F	22,162	0	$0
Deborah L Morley	VP Clinical Affairs	July 29, 2009 A	27,879	0	$0
Jon A Sherman	VP, Product Development	May 10, 2009 F	18,335	0	$0
Maureen Shaffer	Vice President Marketing	June 20, 2007 A	—	0	$0
Elsa Chi Abruzzo	VP Regulatory&Clinical Affairs	June 20, 2007 A	—	0	$0
Stephen S Cambridge	Vice President; Sales	Feb. 7, 2006 A	—	0	$0
Richard S Walsh	Vice President; Sales	Sept. 15, 2005 P	1,750	0	$0
Sven Wehrwein	Director	July 28, 2026 M	40,518	5	$-1,687,578
Florin Daniel P	Director	May 20, 2021 A	10,103	0	$0
Scott William Drake	Director	May 10, 2021 M	41,036	0	$0
Mark R Lanning	Director	May 5, 2021 M	140,886	0	$0
Elizabeth D Krell	Director	May 7, 2018 M	19,967	0	$0
Richard M Johnston	Director	May 24, 2017 A	5,805	0	$0
Michael D Hooven	Director	May 5, 2017 M	67,049	0	$0
Karen P Robards	Director	Dec. 19, 2016 G	318,328	0	$0
Donald C Harrison	Director	May 23, 2013 A	198,741	0	$0
Lee R Wrubel	Director	May 16, 2008 S	295,717	0	$0
Norman R Weldon	Director	Aug. 10, 2005 C	241,070	0	$0
Maggie Yuen	—	Aug. 5, 2026 S	14,015	2	$-241,630
Karen Prange	—	Aug. 5, 2026 S	22,809	1	$-138,283
Kristine B Johnson	—	May 18, 2026 A	55,954	0	$0
Shlomo Nachman	—	May 19, 2025 A	18,511	0	$0
Deborah H Telman	—	May 19, 2025 A	22,184	0	$0
Regina E Groves	—	May 19, 2025 A	36,167	0	$0
Robert S. White	—	May 19, 2025 A	112,174	0	$0
Deborah Lee Yount	—	March 1, 2025 F	45,578	0	$0
Angela L Wirick	—	March 1, 2025 F	164,770	0	$0
Mark A Collar	—	March 13, 2023 M	100,871	0	$0
Tonya Austin	—	May 13, 2022 S	17,621	0	$0
Alan L Kaganov	—	Aug. 23, 2006 M	3,947	0	$0

Insiders from SEC Form 3/4/5 filings; net = open-market P/S only

Activists & 5%+ owners 5 positions

Investors who filed SEC Schedule 13D — beneficial ownership above 5% with an intent to influence the issuer (activist stakes, board campaigns, M&A). Each row shows the most recent known state of that filer's position.

Filer	Filed	Stake	Status	Purpose	Filing
Hudson Executive Capital LP, HEC Management GP LLC, Douglas L. Braunstein ×3 filings	Oct. 9, 2018	—	Initial filing	—	SEC
Discovery Equity Partners, L.P., Discovery Group I, LLC, Daniel J. Donoghue, Michael R. Murphy ×5 filings	June 3, 2013	—	Initial filing	—	SEC
David J. Drachman (2)	Sept. 13, 2012	—	Initial filing	—	SEC
David J. Drachman	March 25, 2011	—	Initial filing	—	SEC
Discovery Group I, LLC, Daniel J. Donoghue, Michael R. Murphy	Sept. 10, 2010	—	Initial filing	—	SEC

Purpose is an automated classification of the filer's own stated purpose (SEC Item 4) — not investment advice. "—" means no clear purpose was stated or the text could not be classified.

ETF ownership Held by 47 ETFs

Weight reflects direct equity holdings (N-PORT) only; leveraged or derivative-based funds may hold additional swap exposure not shown.

Fund	Weight	Units	As of	Source
HAPS · Harbor ETF Trust	0.75%	41,802 NS	April 30, 2026	N-PORT
QQQS · Invesco Exchange-Traded Fund Trust …	0.74%	4,046 SH	Aug. 8, 2026	Daily
OASC · Unified Series Trust	0.32%	9,757 NS	May 31, 2026	N-PORT
IHI · iShares Trust	0.28%	240,474 SH	Aug. 8, 2026	Daily
GSSC · Goldman Sachs ETF Trust	0.13%	46,322 NS	May 31, 2026	N-PORT
IWO · iShares Trust	0.12%	449,680 SH	Aug. 8, 2026	Daily
FYC · First Trust Exchange-Traded AlphaDE…	0.11%	40,159 NS	April 30, 2026	N-PORT
MSSM · MORGAN STANLEY PATHWAY FUNDS	0.08%	23,181 NS	May 31, 2026	N-PORT
VTWG · VANGUARD SCOTTSDALE FUNDS	0.08%	53,568 SH	Aug. 8, 2026	Daily
BBSC · J.P. Morgan Exchange-Traded Fund Tr…	0.07%	19,015 NS	April 30, 2026	N-PORT
PRFZ · Invesco Exchange-Traded Fund Trust	0.07%	49,055 SH	Aug. 8, 2026	Daily
ESML · iShares Trust	0.06%	46,818 SH	Aug. 8, 2026	Daily
IWM · iShares Trust	0.06%	1,270,425 SH	Aug. 8, 2026	Daily
OMFS · Invesco Exchange-Traded Self-Indexe…	0.06%	4,316 SH	Aug. 8, 2026	Daily
ISCG · iShares Trust	0.06%	14,843 SH	Aug. 8, 2026	Daily
RSSL · Global X Funds	0.04%	20,967 NS	April 30, 2026	N-PORT
VBK · VANGUARD INDEX FUNDS	0.04%	640,945 SH	Aug. 8, 2026	Daily
VTWO · VANGUARD SCOTTSDALE FUNDS	0.04%	287,208 SH	Aug. 8, 2026	Daily
ITWO · ProShares Trust	0.03%	2,278 NS	May 31, 2026	N-PORT
DFAS · Dimensional ETF Trust	0.03%	165,232 NS	April 30, 2026	N-PORT
SMLF · iShares Trust	0.03%	33,944 SH	Aug. 8, 2026	Daily
ISCB · iShares Trust	0.03%	2,111 SH	Aug. 8, 2026	Daily
SCHA · SCHWAB STRATEGIC TRUST	0.03%	237,824 NS	May 31, 2026	N-PORT
FHLC · FIDELITY COVINGTON TRUST	0.02%	23,082 NS	April 30, 2026	N-PORT
FAD · First Trust Exchange-Traded AlphaDE…	0.02%	3,743 NS	April 30, 2026	N-PORT
VXF · VANGUARD INDEX FUNDS	0.02%	580,327 SH	Aug. 8, 2026	Daily
VB · VANGUARD INDEX FUNDS	0.02%	1,105,404 SH	Aug. 8, 2026	Daily
VHT · VANGUARD WORLD FUND	0.02%	144,747 SH	Aug. 8, 2026	Daily
UWM · ProShares Trust	0.02%	1,781 NS	May 31, 2026	N-PORT
WSML · iShares Trust	0.02%	2,915 SH	Aug. 8, 2026	Daily
URTY · ProShares Trust	0.01%	1,799 NS	May 31, 2026	N-PORT
DXUV · Dimensional ETF Trust	0.01%	1,092 NS	April 30, 2026	N-PORT
DFAC · Dimensional ETF Trust	0.01%	110,745 NS	April 30, 2026	N-PORT
HDG · ProShares Trust	0.01%	45 NS	May 31, 2026	N-PORT
ONEQ · Fidelity Commonwealth Trust	0.01%	19,754 NS	May 31, 2026	N-PORT
DFSU · Dimensional ETF Trust	0.00%	3,461 NS	April 30, 2026	N-PORT
DCOR · Dimensional ETF Trust	0.00%	4,427 NS	April 30, 2026	N-PORT
DFAU · Dimensional ETF Trust	0.00%	16,445 NS	April 30, 2026	N-PORT
TILT · FlexShares Trust	0.00%	2,592 NS	April 30, 2026	N-PORT
ITOT · iShares Trust	0.00%	66,464 SH	Aug. 8, 2026	Daily
DFUS · Dimensional ETF Trust	0.00%	17,855 NS	April 30, 2026	N-PORT
IWV · iShares Trust	0.00%	12,247 SH	Aug. 8, 2026	Daily
SCHB · SCHWAB STRATEGIC TRUST	0.00%	29,716 NS	May 31, 2026	N-PORT
VTI · VANGUARD INDEX FUNDS	0.00%	1,519,312 SH	Aug. 8, 2026	Daily
VT · VANGUARD INTERNATIONAL EQUITY INDEX…	0.00%	41,883 SH	Aug. 8, 2026	Daily
VTHR · VANGUARD SCOTTSDALE FUNDS	0.00%	3,861 SH	Aug. 8, 2026	Daily
ESGV · VANGUARD WORLD FUND	0.00%	11,156 SH	Aug. 8, 2026	Daily

About AtriCure, Inc. - Common Stock Company overview from Wikipedia

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Institutional owners (13F) 271 filers · $1.1B total · As of June 30, 2026

Company insiders 44 insiders · 21 officers · 12 directors

Activists & 5%+ owners 5 positions

ETF ownership Held by 47 ETFs