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

03
Price $9.67
Market Cap (MRQ) $1.41B
P/E (TTM) -32.2
EPS (TTM) $-0.30
Revenue (TTM) $109M
ROE (TTM) -36.1%
52W Range $8–$24

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

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

06
Revenue$73M
2021-12-31 → 2025-12-31
EPS$-0.35
2021-12-31 → 2025-12-31
Free Cash Flow$-36M
2022-12-31 → 2025-12-31
Net margin-33.4%
2022-12-31 → 2025-12-31
Valuation & Ratios 07–12

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

Metric 5Y trend AMPX 5Y avg Peer Median Verdict
P/E (TTM) -32.25Y avg ≈-18.5 ≈-18.5 · ·
P/S (TTM) 12.95Y avg ≈58.0 ≈58.0 · ·
P/B (MRQ) 11.25Y avg ≈8.0 ≈8.0 · ·
Price / FCF (TTM) -24.25Y avg ≈-23.4 ≈-23.4 · ·
Price / Cash Flow (TTM) -26.75Y avg ≈-27.7 ≈-27.7 · ·
Price / Tangible Book 13.05Y avg ≈8.0 ≈8.0 · ·

Peer median is calculated on a standardized basis per metric and may not always match the TTM/MRQ basis shown for this stock.

value · ≈ 5Y avg · industry median · verdict relative to median

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

14
Avg Surprise -49.2%
Next Report Nov 04, 2026
PeriodReportEPS ActualEPS EstSurprise
June 30, 2026 Aug 6, 2026 $-0.02 $-0.02 17.0%
March 31, 2026 $-0.04 $-0.02 -61.3%
Dec. 31, 2025 $-0.18 $-0.04 -352.3%
Sept. 30, 2025 $-0.03 $-0.06 47.2%
June 30, 2025 $-0.05 $-0.08 39.8%
March 31, 2025 $-0.08 $-0.09 14.3%

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

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Income Statement 16
Metric Trend 20252024202320222021
Revenue $73M$24M$9M$4M$3M
Cost of Revenue $65M$42M$24M$10M$7M
Gross Profit $8M$-18M$-15M$-6M$-4M
R&D Expense $9M$7M$4M$2M$1M
SG&A Expense $23M$19M$20M$10M$5M
Operating Expenses $55M$28M$24M$12M$6M
Operating Income $-47M$-46M$-39M$-18M$-11M
Other Non-op $3M$2M$2M$709.0K$727.0K
Pretax Income $-44M$-45M$-37M$-17M$-10M
Income Tax $0$0$0$0$0
Net Income $-44M$-45M$-37M$-17M$-10M
EPS (Basic) $-0.35$-0.45$-0.43$-0.24$-0.15
EPS (Diluted) $-0.35$-0.45$-0.43$-0.24$-0.15
Shares (Basic) 124,639,991101,872,34786,196,39171,342,72065,764,450
Shares (Diluted) 124,639,991101,872,34786,196,39171,342,72065,764,450
EBITDA $-42M$-42M$-37M$-17M·
Balance Sheet 21
Metric Trend 20252024202320222021
Cash & Equivalents $90M$55M$46M$70M$11M
Receivables $24M$6M$1M$700.0K$262.0K
Inventory $7M$7M$730.0K$500.0K$500.0K
Prepaid Expense $6M$1M$2M$2M$156.0K
Current Assets $126M$69M$51M$75M$14M
PP&E (Net) $10M$17M$22M$4M$4M
PP&E (Gross) $20M$29M$31M$11M$10M
Accum. Depreciation $10M$12M$9M$7M$6M
Other Non-current Assets $1M$1M$305.0K$644.0K$0
Total Assets $157M$121M$108M$83M$19M
Accounts Payable $7M$7M$3M$1M$359.0K
Accrued Liabilities $4M$5M$6M$3M$1M
Current Liabilities $18M$17M$13M$7M$4M
Capital Leases $35M$34M$34M$3M$0
Total Liabilities $53M$52M$48M$10M$5M
Paid-in Capital $322M$244M$189M$166M$89M
Retained Earnings $-218M$-174M$-130M$-93M$-75M
AOCI $4.0K$0···
Stockholders' Equity $104M$69M$60M$73M$14M
Liabilities + Equity $157M$121M$108M$83M$19M
Shares Outstanding 134,536,592116,934,31488,869,46384,610,11465,772,001
Cash Flow 11
Metric Trend 20252024202320222021
D&A $4M$4M$2M$2M$1M
Stock-based Comp $7M$7M$4M$3M$2M
Other Non-cash $1M$168.0K$6M$-798.0K·
Operating Cash Flow $-31M$-33M$-26M$-14M$-8M
CapEx $4M$3M$18M$1M$609.0K
Investing Cash Flow $-4M$-3M$-18M$-1M$-609.0K
Stock Issued ···$78M$0
Net Stock Activity ···$78M·
Financing Cash Flow $71M$47M$19M$74M$20M
Net Change in Cash ·$11M$-24M$58M$11M
Free Cash Flow $-36M$-37M$-43M$-15M·
Profitability 8
Metric Trend 20252024202320222021
Gross Margin 11.3%-75.8%-162.1%-123.4%·
Operating Margin -63.9%-191.4%-427.6%-409.2%·
Net Margin -60.3%-184.8%-406.2%-393.1%·
Pretax Margin -60.3%-184.8%-406.2%-393.1%·
EBITDA Margin -57.9%-175.7%-407.6%-374.3%·
ROA -31.7%-39.0%-38.5%-34.1%·
ROE -48.8%-71.2%-58.6%-23.3%·
ROIC -44.9%-66.6%-64.7%-24.7%·
Liquidity & Solvency 2
Metric Trend 20252024202320222021
Current Ratio 7.14.03.810.9·
Quick Ratio 6.43.53.510.2·
Efficiency 3
Metric Trend 20252024202320222021
Asset Turnover 0.50.20.10.1·
Inventory Turnover 9.711.638.619.7·
Receivables Turnover 5.07.09.26.4·
Per Share 5
Metric Trend 20252024202320222021
Book Value / Share $0.77$0.59$0.67$0.86·
Revenue / Share $0.59$0.24$0.10$0.06·
Cash Flow / Share $-0.25$-0.33$-0.30$-0.19·
Cash / Share $0.67$0.47$0.51$0.82·
EPS (TTM) $-0.35$-0.45$-0.43$-0.24·
Growth Rates 2
Metric Trend 20252024202320222021
Revenue YoY 202.1%166.9%105.3%59.1%·
Revenue CAGR 3Y 154.9%105.8%···
Valuation (TTM) 10
Metric Trend 20252024202320222021
Revenue TTM $73M$24M$9M$4M·
Net Income TTM $-44M$-45M$-37M$-17M·
Market Cap $1.06B$327M$470M$671M·
P/E -22.5-6.2-12.3-33.0·
P/S 14.513.551.9152.2·
P/B 10.24.77.99.2·
P / Tangible Book 10.24.77.99.2·
P / Cash Flow -34.1-9.8-18.4-48.3·
P / FCF -29.9-9.0-10.9-43.7·
Earnings Yield -4.4%-16.1%-8.1%-3.0%·

Most recent period on the left · null values shown as ·

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

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Metric 2025-12-312024-12-312023-12-312022-12-312021-12-31
Revenue $73M $24M $9M $4M $3M
Gross Margin % 11.3% -75.8% -162.1% -123.4% ·
Operating Margin % -63.9% -191.4% -427.6% -409.2% ·
Net Income $-44M $-45M $-37M $-17M $-10M
Diluted EPS $-0.35 $-0.45 $-0.43 $-0.24 $-0.15

Institutional owners (13F) 299 filers · $1.7B total · As of June 30, 2026

17

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.

Holders 299
Value held $1.7B
New positions 76
Exited positions 47
Institutional activity — Q2 2026 vs prior quarter
New positions Exited positions Increased Decreased Net shares change
76 (-18 vs prior Q) 47 (+16 vs prior Q) 121 (+21 vs prior Q) 65 (+11 vs prior Q) +21.3M

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
BlackRock, Inc. $157,104,377 11,335,092 9.11% Shares
VANGUARD CAPITAL MANAGEMENT LLC $77,102,972 5,562,985 4.47% Shares
MORGAN STANLEY $70,762,300 5,105,505 4.11% Shares
JANE STREET GROUP, LLC $64,048,446 4,621,100 3.72% Put option
SUSQUEHANNA INTERNATIONAL GROUP, LLP $63,273,672 4,565,200 3.67% Call option
TWO SIGMA INVESTMENTS, LP $59,856,212 4,318,630 3.47% Shares
UBS Group AG $56,441,649 4,072,269 3.27% Shares
VANGUARD GROUP INC $56,245,105 7,128,657 3.26% Shares
GEODE CAPITAL MANAGEMENT, LLC $48,805,499 3,520,655 2.83% Shares
JANE STREET GROUP, LLC $47,138,844 3,401,071 2.73% Shares
STATE STREET CORP $44,910,350 3,240,285 2.61% Shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP $35,775,432 2,581,200 2.08% Put option
GOLDMAN SACHS GROUP INC $35,236,188 2,542,294 2.04% Shares
Point72 Asset Management, L.P. $29,940,372 2,160,200 1.74% Call option
JUPITER ASSET MANAGEMENT LTD $29,568,882 2,133,397 1.72% Shares
CITADEL ADVISORS LLC $29,032,542 2,094,700 1.68% Put option
LMR Partners LLP $24,266,781 1,750,850 1.41% Shares
CITADEL ADVISORS LLC $23,234,128 1,676,344 1.35% Shares
CITADEL ADVISORS LLC $20,770,596 1,498,600 1.21% Call option
VANGUARD PORTFOLIO MANAGEMENT LLC $20,202,738 1,457,629 1.17% Shares
Hood River Capital Management LLC $19,577,472 1,412,516 1.14% Shares
RENAISSANCE TECHNOLOGIES LLC $19,527,701 1,408,925 1.13% Shares
Driehaus Capital Management LLC $18,645,428 1,345,269 1.08% Shares
Baird Financial Group, Inc. $18,363,239 1,324,909 1.07% Shares
JANE STREET GROUP, LLC $18,194,022 1,312,700 1.06% Call option
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND $17,306,982 1,248,700 1.00% Shares
NORTHERN TRUST CORP $17,042,644 1,229,628 0.99% Shares
MILLENNIUM MANAGEMENT LLC $16,743,116 1,208,017 0.97% Shares
DEUTSCHE BANK AG\ $16,579,290 1,196,197 0.96% Shares
BARCLAYS PLC $16,366,969 1,180,878 0.95% Shares
CHARLES SCHWAB INVESTMENT MANAGEMENT INC $16,312,652 1,176,959 0.95% Shares
Point72 Asset Management, L.P. $15,797,780 1,139,811 0.92% Shares
Qube Research & Technologies Ltd $15,747,386 1,136,175 0.91% Shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP $15,249,728 1,100,269 0.88% Shares
Trexquant Investment LP $15,211,794 1,097,532 0.88% Shares
Point72 Asset Management, L.P. $14,964,642 1,079,700 0.87% Put option
FIRST TRUST ADVISORS LP $14,377,587 1,037,344 0.83% Shares
Nearwater Capital Markets, Ltd $14,340,942 1,034,700 0.83% Shares
VANGUARD FIDUCIARY TRUST CO $13,717,117 989,691 0.80% Shares
DLD Asset Management, LP $12,643,092 912,200 0.73% Call option
Shannon River Fund Management LLC $11,626,974 838,887 0.67% Shares
D. E. Shaw & Co., Inc. $11,295,900 815,000 0.66% Put option
UBS Group AG $11,112,948 801,800 0.64% Put option
TUDOR INVESTMENT CORP ET AL $10,359,352 747,428 0.60% Shares
IMC-Chicago, LLC $10,174,820 734,114 0.59% Shares
STIFEL FINANCIAL CORP $10,138,180 731,470 0.59% Shares
Stephens Investment Management Group LLC $9,900,531 714,324 0.57% Shares
D. E. Shaw & Co., Inc. $9,311,314 671,812 0.54% Shares
OBERWEIS ASSET MANAGEMENT INC/ $8,817,732 636,200 0.51% Shares
PEAK6 LLC $8,328,474 600,900 0.48% Call option

Show all 299 institutional owners →

Activists & 5%+ owners 4 positions

18

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
Trident Capital Management VI, L.L.C., Trident Capital Fund-VI, L.P., Trident Capital Fund—VI Principals Fund, L.L.C., Donald R. Dixon, John H. Moragne Oct. 28, 2024 · Initial filing Passive investment SEC
Kang Sun Oct. 25, 2024 · Initial filing · SEC
Amprius, Inc. ×3 filings Oct. 25, 2024 · Initial filing · SEC
Kensington Capital Sponsor IV LLC, Kensington Capital Partners, LLC, Justin Mirro ×3 filings Sept. 23, 2022 · 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.

Company insiders 15 insiders · 5 officers · 9 directors

19
Insider Role Last activity Shares owned Buys 12m Sells 12m Net 12m
Thomas M Stepien Chief Executive Officer Aug. 25, 2026 A 37,260 0 5 $-1,338,459
Ricardo C. Rodriguez Chief Financial Officer March 4, 2026 A 350,000 0 0 $0
Sandra Wallach Chief Financial Officer Aug. 21, 2025 S 1,005,275 0 0 $0
Jonathan Bornstein President of Amprius Lab March 10, 2025 M 422,668 0 0 $0
Constantin Ionel Stefan Chief Technology Officer Aug. 21, 2026 S 771,629 0 10 $-10,690,275
Kang Sun Director Aug. 21, 2026 S 1,218,397 0 13 $-57,630,021
Donald R Dixon Director June 15, 2026 S 359,380 0 3 $-2,544,970
Livingston Satterthwaite Director June 12, 2026 A 346,506 0 0 $0
Steven Chu Director June 12, 2026 A 137,762 0 4 $-5,864,664
Kathleen A Bayless Director June 12, 2026 A 216,120 0 0 $0
Wen Hsuan Hsieh Director March 12, 2026 M 44,444 0 2 $-7,620,745
Justin E Mirro Director Sept. 5, 2024 S 1,195,000 0 0 $0
Mary Gustanski Director June 7, 2024 A 146,396 0 0 $0
Amprius, Inc. 10% owner Oct. 23, 2024 J 2,500,071 0 0 $0
Kensington Capital Sponsor IV LLC · Sept. 14, 2022 J 0 0 0 $0

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

ETF ownership Held by 28 ETFs

20

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
PBW · Invesco Exchange-Traded Fund Trust 1.44% 500,904 SH Oct. 1, 2026 Daily
IDRV · iShares Trust 0.67% 104,240 SH Sept. 11, 2026 Daily
FYC · First Trust Exchange-Traded AlphaDE… 0.37% 506,522 NS July 31, 2026 N-PORT
IBAT · iShares Trust 0.28% 20,327 SH Sept. 11, 2026 Daily
VFMO · VANGUARD WELLINGTON FUND 0.15% 209,837 SH Aug. 19, 2026 Daily
FYX · First Trust Exchange-Traded AlphaDE… 0.13% 188,817 NS July 31, 2026 N-PORT
CCSO · Tidal Trust II 0.13% 6,074 NS July 31, 2026 N-PORT
OMFS · Invesco Exchange-Traded Self-Indexe… 0.13% 34,622 SH Oct. 1, 2026 Daily
VTWG · VANGUARD SCOTTSDALE FUNDS 0.11% 147,365 SH Aug. 19, 2026 Daily
IWO · iShares Trust 0.09% 1,287,134 SH Sept. 11, 2026 Daily
FAD · First Trust Exchange-Traded AlphaDE… 0.08% 45,884 NS July 31, 2026 N-PORT
VTWO · VANGUARD SCOTTSDALE FUNDS 0.06% 791,486 SH Aug. 19, 2026 Daily
ESML · iShares Trust 0.05% 137,707 SH Sept. 11, 2026 Daily
BBSC · J.P. Morgan Exchange-Traded Fund Tr… 0.04% 32,460 NS July 31, 2026 N-PORT
IWM · iShares Trust 0.04% 3,516,466 SH Sept. 11, 2026 Daily
RSSL · Global X Funds 0.04% 65,658 NS July 31, 2026 N-PORT
ISCG · iShares Trust 0.04% 38,165 SH Sept. 11, 2026 Daily
VXF · VANGUARD INDEX FUNDS 0.02% 1,624,734 SH Aug. 19, 2026 Daily
VIS · VANGUARD WORLD FUND 0.02% 149,982 SH Aug. 19, 2026 Daily
FIDU · FIDELITY COVINGTON TRUST 0.02% 40,502 NS July 31, 2026 N-PORT
WSML · iShares Trust 0.01% 7,255 SH Sept. 11, 2026 Daily
ITOT · iShares Trust 0.00% 177,085 SH Sept. 11, 2026 Daily
IWV · iShares Trust 0.00% 33,508 SH Sept. 10, 2026 Daily
TILT · FlexShares Trust 0.00% 3,078 NS July 31, 2026 N-PORT
VTI · VANGUARD INDEX FUNDS 0.00% 3,824,005 SH Aug. 19, 2026 Daily
VTHR · VANGUARD SCOTTSDALE FUNDS 0.00% 11,289 SH Aug. 19, 2026 Daily
ISCB · iShares Trust · 5,401 SH Sept. 11, 2026 Daily
SMLF · iShares Trust · 215,238 SH Sept. 11, 2026 Daily

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

21
rating · 17 analysts BUY
Median target $22.00 +127.5%
4 23.5% Strong Buy
12 70.6% Buy
1 5.9% Hold
0 0.0% Sell
0 0.0% Strong Sell

12-Month Price Target

9 analysts · 2026-09-30

Mean target $23.00 +137.8%

← Below all targets Current price $9.67
Low$18.00 Mean$23.00 High$30.00

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Source: SEC 10-Q filed Aug 6, 2026