CIEN Ciena Corporation Common Stock

NYSE · Communications · View on SEC EDGAR ↗
$399.59
Price · Aug 21, 2026
Fundamentals as of Jun 4, 2026

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

Price
$399.59
Market Cap
$56.35B
P/E (TTM)
470.1
EPS (TTM)
$0.85
Revenue (TTM)
$4.77B
Div Yield
ROE
4.5%
Debt/Equity
0.6
52W Range
$87 – $638

CIEN 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 $4.77B
8-point trend, +33.5%
2019-10-31 2025-11-01
EPS $0.85
8-point trend, -47.2%
2019-10-31 2025-11-01
Free Cash Flow $665M
7-point trend, +89.8%
2019-10-31 2025-11-01
Margins 2.6%
7-point trend, -2.6%
2019-10-31 2025-11-01

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

Metric
5Y trend
CIEN
Peer Median
P/E (TTM)
5-point trend, +1212.9%
470.1
39.4
P/S (TTM)
5-point trend, +141.8%
11.8
12.6
P/B
5-point trend, +252.5%
20.6
7.1
EV / EBITDA
5-point trend, +805.4%
286.4
Price / FCF
5-point trend, +121.3%
84.7

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

Metric
5Y trend
CIEN
Peer Median
Gross Margin
5-point trend, -11.6%
42.0%
45.4%
Operating Margin
5-point trend, -69.7%
4.1%
Net Profit Margin
5-point trend, -81.2%
2.6%
18.6%
ROA
5-point trend, -80.7%
2.1%
10.5%
ROE
5-point trend, -73.4%
4.5%
22.7%
ROIC
5-point trend, -74.8%
3.6%

Financial Health Debt, liquidity, solvency — balance sheet strength

Metric
5Y trend
CIEN
Peer Median
Debt / Equity
5-point trend, +150.9%
0.6
207.7
Current Ratio
5-point trend, -22.3%
2.7
2.5
Quick Ratio
5-point trend, -36.2%
1.7

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

Metric
5Y trend
CIEN
Peer Median
Revenue YoY
5-point trend, +31.7%
18.8%
Revenue CAGR 3Y
5-point trend, +31.7%
9.5%
Revenue CAGR 5Y
5-point trend, +31.7%
6.2%
EPS YoY
5-point trend, -73.4%
46.6%
Net Income YoY
5-point trend, -75.3%
46.9%

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

Metric
5Y trend
CIEN
Peer Median
EPS (Diluted)
5-point trend, -73.4%
$0.85

Capital Efficiency Asset turnover, inventory turnover, receivables turnover

Metric
5Y trend
CIEN
Peer Median

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

BUY 26 analysts
  • Strong Buy 7 26.9%
  • Buy 11 42.3%
  • Hold 8 30.8%
  • Sell 0 0.0%
  • Strong Sell 0 0.0%

12-Month Price Target

19 analysts · 2026-08-18
Median target $575.00 +43.9%
Mean target $560.44 +40.3%

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

Avg Surprise
0.09%
Next Report
Sep 03, 2026
Period EPS Actual EPS Est Surprise
June 30, 2026 $1.64 $1.49 0.15%
March 31, 2026 $1.35 $1.19 0.16%
Dec. 31, 2025 $0.91 $0.79 0.12%
Sept. 30, 2025 $0.67 $0.54 0.13%
June 30, 2025 $0.42 $0.53 -0.11%

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

Ticker Market Cap P/E Rev YoY Net Margin ROE Gross Margin
CIEN $26.78B 223.4 18.8% 2.6% 4.5% 42.0%
CSCO $272.01B 26.9 5.3% 18.0% 22.0% 64.9%
ANET $164.64B 47.6 28.6% 39.0% 30.2% 64.1%
LITE $72.38B -8.8 83.2% -230.1% -252.6% 41.7%
MSI $63.52B 30.1 8.0% 18.4% 104.7% 51.7%
UI $32.32B 33.7 27.2% 29.3% 78.2% 46.2%
FFIV $18.64B 27.4 9.7% 22.4% 20.1% 81.4%
AAOI $2.61B -54.5 82.8% -8.4% -6.6% 30.0%
VSAT $6.25B -183.2 2.7% -0.73% -0.74%
VIAV $11.76B -366.4 40.0% -2.0% -2.7% 57.7%
ONDS $3.72B -15.7 605.3% -260.7% -57.0% 39.7%

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

Income Statement 17
Annual Income Statement data for CIEN
Metric Trend 2025202420232022202120202019201820172016
Revenue 10-point trend, +83.4% $4.77B $4.01B $4.39B $3.63B $3.62B $3.53B $3.57B $3.09B $2.80B $2.60B
Cost of Revenue 10-point trend, +92.1% $2.76B $2.30B $2.51B $2.07B $1.90B $1.88B $2.03B $1.78B $1.56B $1.44B
Gross Profit 10-point trend, +72.6% $2.00B $1.72B $1.88B $1.56B $1.72B $1.65B $1.54B $1.31B $1.25B $1.16B
R&D Expense 10-point trend, +87.8% $848M $767M $751M $625M $537M $530M $548M $492M $475M $452M
SG&A Expense 10-point trend, +79.7% $239M $221M $215M $179M $182M $170M $174M $160M $143M $133M
Operating Expenses 10-point trend, +79.8% $1.81B $1.55B $1.52B $1.34B $1.23B $1.17B $1.20B $1.08B $1.03B $1.01B
Operating Income 10-point trend, +26.5% $198M $167M $358M $223M $495M $487M $347M $230M $215M $156M
Interest Expense 8-point trend, +55.4% · · $88M $47M $31M $31M $37M $55M $56M $57M
Other Non-op 10-point trend, -375.2% $-2M $-2M $-5M $-6M $-533.0K $-1M $-737.0K $-1M $-92.0K $858.0K
Pretax Income 10-point trend, +80.2% $156M $120M $324M $183M $463M $456M $313M $149M $156M $87M
Income Tax 10-point trend, +133.1% $33M $36M $69M $30M $-37M $95M $60M $493M $-1.11B $14M
Net Income 10-point trend, +69.9% $123M $84M $255M $153M $500M $361M $253M $-345M $1.26B $73M
EPS (Basic) 10-point trend, +67.3% $0.87 $0.58 $1.71 $1.01 $3.22 $2.34 $1.63 $-2.40 $8.89 $0.52
EPS (Diluted) 10-point trend, +66.7% $0.85 $0.58 $1.71 $1.00 $3.19 $2.32 $1.61 $-2.49 $7.53 $0.51
Shares (Basic) 10-point trend, +2.8% 142,221,000 144,715,000 148,971,000 151,208,000 155,279,000 154,287,000 155,720,000 143,738,000 141,997,000 138,312,000
Shares (Diluted) 10-point trend, -3.6% 145,248,000 145,964,000 149,380,000 152,193,000 156,743,000 155,955,000 157,612,000 143,738,000 169,919,000 150,704,000
EBITDA 8-point trend, +26.5% $198M $167M $358M $223M $495M $487M · · $215M $156M
Balance Sheet 28
Annual Balance Sheet data for CIEN
Metric Trend 2025202420232022202120202019201820172016
Cash & Equivalents 9-point trend, +40.4% $1.09B $935M $1.01B $994M $1.42B $1.09B $904M · $641M $778M
Short-term Investments 9-point trend, -21.5% $216M $316M $105M $154M $181M $151M $110M · $279M $275M
Receivables 9-point trend, +69.4% $976M $909M $1.00B $921M $885M $719M $725M · $622M $576M
Inventory 9-point trend, +291.1% $826M $820M $1.05B $947M $374M $344M $345M · $267M $211M
Prepaid Expense 9-point trend, +163.4% $455M $564M $406M $370M $326M $308M $298M · $197M $173M
Current Assets 9-point trend, +77.1% $3.57B $3.54B $3.58B $3.39B $3.19B $2.61B $2.38B · $2.01B $2.01B
PP&E (Net) 3-point trend, -0.5% · · · · · · $287M · $308M $288M
PP&E (Gross) 3-point trend, +20.2% · · · · · · $710M · $651M $591M
Accum. Depreciation 3-point trend, +39.9% · · · · · · $424M · $342M $303M
Goodwill 9-point trend, +95.2% $521M $445M $445M $328M $312M $311M $298M · $267M $267M
Intangibles 9-point trend, +52.8% $224M $165M $206M $70M $65M $97M $113M · $101M $147M
Other Non-current Assets 9-point trend, +178.1% $186M $155M $116M $114M $100M $103M $89M · $64M $67M
Total Assets 9-point trend, +104.1% $5.86B $5.64B $5.60B $5.07B $4.87B $4.18B $3.89B · $3.95B $2.87B
Accounts Payable 9-point trend, +130.1% $543M $423M $318M $516M $356M $292M $345M · $260M $236M
Accrued Liabilities 9-point trend, +71.1% $531M $394M $431M $361M $409M $334M $383M · $323M $310M
Current Liabilities 9-point trend, +46.8% $1.31B $1000M $932M $1.04B $909M $761M $846M · $1.04B $892M
Capital Leases 9-point trend, +33.8% $33M $25M $33M $42M $42M $61M $65M · $73M $24M
Deferred Tax 2-point trend, +9.4% · · · · · · · · $15M $14M
Other Non-current Liabilities 9-point trend, +41.0% $175M $186M $170M $150M $167M $123M $149M · $111M $124M
Total Liabilities 9-point trend, +48.8% $3.14B $2.83B $2.75B $2.36B $1.85B $1.67B $1.72B · $1.82B $2.11B
Long-term Debt 9-point trend, +215.8% $1.54B $1.54B $1.56B $1.07B $677M $683M $687M · $393M $486M
Total Debt 8-point trend, +49.7% $1.54B $1.54B $1.56B $1.07B $677M $683M · · $584M $1.03B
Common Stock 9-point trend, +0.9% $1M $1M $1M $1M $2M $2M $2M · $1M $1M
Retained Earnings 9-point trend, +46.5% $-3.17B $-3.29B $-3.38B $-3.63B $-3.79B $-4.28B $-4.64B · $-4.66B $-5.93B
AOCI 9-point trend, -126.2% $-55M $-47M $-38M $-47M $439.0K $-35M $-22M · $-11M $-24M
Stockholders' Equity 10-point trend, +256.1% $2.73B $2.82B $2.85B $2.71B $3.02B $2.51B $2.17B $1.93B $2.14B $766M
Liabilities + Equity 9-point trend, +104.1% $5.86B $5.64B $5.60B $5.07B $4.87B $4.18B $3.89B · $3.95B $2.87B
Shares Outstanding 9-point trend, +0.9% 141,016,300 142,656,116 144,829,938 148,412,943 154,858,981 154,563,005 154,403,850 · 143,043,227 139,767,627
Cash Flow 17
Annual Cash Flow data for CIEN
Metric Trend 2025202420232022202120202019201820172016
Stock-based Comp 10-point trend, +254.9% $185M $156M $130M $105M $84M $68M $60M $53M $48M $52M
Deferred Tax 10-point trend, -1976.5% $-23M $-77M $-15M $-28M $-156M $64M $20M $464M $-1.13B $-1M
Amort. of Intangibles 10-point trend, -58.1% $26M $30M $37M $33M $24M $23M $22M $16M $33M $62M
Restructuring 10-point trend, +2172.7% $112M $25M $24M $30M $30M $23M $25M $19M $11M $5M
Operating Cash Flow 10-point trend, +178.4% $806M $515M $168M $-168M $542M $494M $413M $229M $235M $290M
CapEx 10-point trend, +31.4% $141M $137M $106M $91M $80M $83M $63M $68M $95M $107M
Investing Cash Flow 10-point trend, +18.5% $-241M $-306M $-383M $-101M $-91M $-220M $24M $-19M $-61M $-296M
Debt Issued 7-point trend, +60.8% · · · $400M $0 $0 $0 $305M $0 $249M
Net Debt Issued 6-point trend, -122.8% $-12M $-12M $-9M $395M $-7M $-5M · · · ·
Stock Issued 10-point trend, +55.4% $36M $34M $31M $30M $28M $28M $23M $23M $20M $23M
Stock Repurchased 10-point trend, +334507000.00 $335M $255M $242M $501M $91M $75M $150M $111M $0 $0
Net Stock Activity 8-point trend, -1393.3% $-299M $-220M $-211M $-470M $-63M $-46M · · $20M $23M
Financing Cash Flow 10-point trend, -9500.7% $-406M $-285M $229M $-133M $-117M $-87M $-279M $-99M $-311M $-4M
Net Change in Cash 10-point trend, +1276.8% $157M $-76M $16M $-428M $334M $185M $159M $105M $-137M $-13M
Taxes Paid 10-point trend, +644.1% $114M $55M $78M $35M $73M $53M $34M $27M $22M $15M
Free Cash Flow 8-point trend, +264.9% $665M $378M $62M $-259M $462M $411M · · $140M $182M
Levered FCF 6-point trend, -105.3% · · $-7M $-298M $429M $386M · · $-311M $135M
Profitability 8
Annual Profitability data for CIEN
Metric Trend 2025202420232022202120202019201820172016
Gross Margin 8-point trend, -5.9% 42.0% 42.8% 42.8% 43.0% 47.6% 46.8% · · 44.5% 44.7%
Operating Margin 8-point trend, -31.1% 4.1% 4.2% 8.2% 6.1% 13.7% 13.8% · · 7.7% 6.0%
Net Margin 8-point trend, -7.2% 2.6% 2.1% 5.8% 4.2% 13.8% 10.2% · · 45.0% 2.8%
Pretax Margin 8-point trend, -1.5% 3.3% 3.0% 7.4% 5.0% 12.8% 12.9% · · 5.6% 3.3%
EBITDA Margin 8-point trend, -31.1% 4.1% 4.2% 8.2% 6.1% 13.7% 13.8% · · 7.7% 6.0%
ROA 8-point trend, -17.7% 2.1% 1.5% 4.8% 3.1% 11.1% 8.9% · · 37.0% 2.6%
ROE 8-point trend, -57.3% 4.5% 2.9% 8.8% 5.7% 16.8% 14.6% · · 87.0% 10.5%
ROIC 8-point trend, -49.9% 3.6% 2.7% 6.4% 4.9% 14.5% 12.1% · · 63.8% 7.3%
Liquidity & Solvency 5
Annual Liquidity & Solvency data for CIEN
Metric Trend 2025202420232022202120202019201820172016
Current Ratio 8-point trend, +20.7% 2.7 3.5 3.8 3.3 3.5 3.4 · · 1.9 2.3
Quick Ratio 8-point trend, -4.4% 1.7 2.2 2.3 2.0 2.7 2.6 · · 1.5 1.8
Debt / Equity 8-point trend, -58.0% 0.6 0.5 0.5 0.4 0.2 0.3 · · 0.3 1.3
LT Debt / Equity 8-point trend, -58.3% 0.6 0.5 0.5 0.4 0.2 0.3 · · 0.3 1.3
Interest Coverage 6-point trend, +47.4% · · 4.1 4.7 16.1 15.5 · · 3.8 2.8
Efficiency 3
Annual Efficiency data for CIEN
Metric Trend 2025202420232022202120202019201820172016
Asset Turnover 8-point trend, -11.1% 0.8 0.7 0.8 0.7 0.8 0.9 · · 0.8 0.9
Inventory Turnover 8-point trend, -53.0% 3.4 2.5 2.5 3.1 5.3 5.5 · · 6.5 7.2
Receivables Turnover 8-point trend, +9.7% 5.1 4.2 4.6 4.0 4.5 4.9 · · 4.7 4.6
Per Share 5
Annual Per Share data for CIEN
Metric Trend 2025202420232022202120202019201820172016
Book Value / Share 8-point trend, +253.0% $19.35 $19.74 $19.67 $18.28 $19.50 $16.24 · · $14.93 $5.48
Revenue / Share 8-point trend, +90.3% $32.84 $27.51 $29.36 $23.87 $23.10 $22.65 · · $16.49 $17.26
Cash Flow / Share 8-point trend, +188.9% $5.55 $3.53 $1.13 $-1.10 $3.46 $3.17 · · $1.38 $1.92
Cash / Share 8-point trend, +39.2% $7.74 $6.55 $6.98 $6.70 $9.19 $7.04 · · $4.48 $5.56
EPS (TTM) 8-point trend, +66.7% $0.85 $0.58 $1.71 $1.00 $3.19 $2.32 · · $7.53 $0.51
Growth Rates 9
Annual Growth Rates data for CIEN
Metric Trend 2025202420232022202120202019201820172016
Revenue YoY 5-point trend, +648.6% 18.8% -8.5% 20.8% 0.33% 2.5% · · · · ·
Revenue CAGR 3Y 3-point trend, +26.8% 9.5% 3.5% 7.5% · · · · · · ·
Revenue CAGR 5Y 6.2% · · · · · · · · ·
EPS YoY 5-point trend, +24.1% 46.6% -66.1% 71.0% -68.7% 37.5% · · · · ·
EPS CAGR 3Y 3-point trend, +45.5% -5.3% -43.4% -9.7% · · · · · · ·
EPS CAGR 5Y -18.2% · · · · · · · · ·
Net Income YoY 5-point trend, +22.0% 46.9% -67.0% 66.7% -69.4% 38.5% · · · · ·
Net Income CAGR 3Y 3-point trend, +37.1% -6.9% -44.8% -11.0% · · · · · · ·
Net Income CAGR 5Y -19.3% · · · · · · · · ·
Valuation (TTM) 14
Annual Valuation (TTM) data for CIEN
Metric Trend 2025202420232022202120202019201820172016
Revenue TTM 8-point trend, +83.4% $4.77B $4.01B $4.39B $3.63B $3.62B $3.53B · · $2.80B $2.60B
Net Income TTM 8-point trend, +69.9% $123M $84M $255M $153M $500M $361M · · $1.26B $73M
Market Cap 8-point trend, +888.7% $26.78B $9.13B $5.94B $7.16B $8.41B $6.09B · · $3.04B $2.71B
Enterprise Value 8-point trend, +907.1% $27.01B $9.42B $6.38B $7.08B $7.48B $5.53B · · $2.71B $2.68B
P/E 8-point trend, +488.0% 223.4 110.3 24.0 48.2 17.0 17.0 · · 2.8 38.0
P/S 8-point trend, +439.1% 5.6 2.3 1.4 2.0 2.3 1.7 · · 1.1 1.0
P/B 8-point trend, +177.6% 9.8 3.2 2.1 2.6 2.8 2.4 · · 1.4 3.5
P / Tangible Book 6-point trend, +366.1% 13.5 4.1 2.7 3.1 3.2 2.9 · · · ·
P / Cash Flow 8-point trend, +255.1% 33.2 17.7 35.3 -42.7 15.5 12.3 · · 13.0 9.4
P / FCF 8-point trend, +171.0% 40.3 24.1 95.6 -27.7 18.2 14.8 · · 21.7 14.9
EV / EBITDA 8-point trend, +696.2% 136.7 56.5 17.8 31.8 15.1 11.4 · · 12.6 17.2
EV / FCF 8-point trend, +176.0% 40.6 24.9 102.7 -27.4 16.2 13.5 · · 19.3 14.7
EV / Revenue 8-point trend, +449.2% 5.7 2.3 1.5 1.9 2.1 1.6 · · 1.0 1.0
Earnings Yield 8-point trend, -82.9% 0.45% 0.91% 4.2% 2.1% 5.9% 5.9% · · 35.4% 2.6%

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

Income Statement
2025-11-012024-11-022023-10-282022-10-292021-10-30
Revenue $4.77B$4.01B$4.39B$3.63B$3.62B
Gross Margin % 42.0%42.8%42.8%43.0%47.6%
Operating Margin % 4.1%4.2%8.2%6.1%13.7%
Net Income $123M$84M$255M$153M$500M
Diluted EPS $0.85$0.58$1.71$1.00$3.19
Balance Sheet
2025-11-012024-11-022023-10-282022-10-292021-10-30
Debt / Equity 0.60.50.50.40.2
Current Ratio 2.73.53.83.33.5
Quick Ratio 1.72.22.32.02.7
Cash Flow
2025-11-012024-11-022023-10-282022-10-292021-10-30
Free Cash Flow $665M$378M$62M$-259M$462M

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Institutional owners (13F) 1,315 filers · $39.3B 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
271 (-77 vs prior Q) 102 (+28 vs prior Q) 476 (+173 vs prior Q) 378 (+1 vs prior Q) +4.7M

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
FMR LLC $5,306,220,239 10,816,659 13.50% Shares
VANGUARD CAPITAL MANAGEMENT LLC $4,529,734,400 9,233,803 11.52% Shares
VANGUARD PORTFOLIO MANAGEMENT LLC $3,767,827,023 7,680,665 9.58% Shares
STATE STREET CORP $3,277,224,344 6,680,578 8.33% Shares
GEODE CAPITAL MANAGEMENT, LLC $1,426,307,161 2,919,453 3.63% Shares
AMERICAN CENTURY COMPANIES INC $908,413,121 1,851,788 2.31% Shares
Capital World Investors $861,228,117 1,755,602 2.19% Shares
NORGES BANK $835,499,717 1,703,155 2.12% Shares
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $822,683,346 1,677,029 2.09% Shares
JANE STREET GROUP, LLC $672,312,480 1,370,500 1.71% Put option
CHARLES SCHWAB INVESTMENT MANAGEMENT INC $612,685,893 1,248,952 1.56% Shares
DIMENSIONAL FUND ADVISORS LP $485,883,982 990,468 1.24% Shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP $483,348,768 985,300 1.23% Call option
SUSQUEHANNA INTERNATIONAL GROUP, LLP $467,847,072 953,700 1.19% Put option
VANGUARD FIDUCIARY TRUST CO $398,503,963 812,345 1.01% Shares
Atreides Management, LP $337,760,862 688,521 0.86% Shares
JANE STREET GROUP, LLC $331,569,504 675,900 0.84% Call option
Capital Research Global Investors $322,078,753 656,554 0.82% Shares
CITADEL ADVISORS LLC $311,456,544 634,900 0.79% Call option
Jericho Capital Asset Management L.P. $275,455,817 561,513 0.70% Shares
BNP PARIBAS FINANCIAL MARKETS $245,280,000 5,000 0.62% Call option
WELLS FARGO & COMPANY/MN $245,280,000 500,000 0.62% Call option
CITADEL ADVISORS LLC $235,272,576 479,600 0.60% Put option
GOLDMAN SACHS GROUP INC $213,895,797 436,024 0.54% Shares
Pictet Asset Management Holding SA $203,326,697 414,698 0.52% Shares
BANK OF AMERICA CORP /DE/ $200,798,472 409,325 0.51% Shares
Swiss National Bank $195,641,215 398,812 0.50% Shares
FIRST TRUST ADVISORS LP $194,522,247 396,531 0.49% Shares
Balyasny Asset Management L.P. $182,708,581 372,449 0.46% Shares
Sumitomo Mitsui Trust Group, Inc. $175,345,766 357,440 0.45% Shares
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC $170,119,296 379,977 0.43% Shares
Mitsubishi UFJ Asset Management Co., Ltd. $168,259,627 342,995 0.43% Shares
BlackRock, Inc. $166,663,345 339,741 0.42% Shares
BNP PARIBAS FINANCIAL MARKETS $161,507,069 329,230 0.41% Shares
Robeco Institutional Asset Management B.V. $156,628,447 319,285 0.40% Shares
ROYAL LONDON ASSET MANAGEMENT LTD $156,318,907 318,654 0.40% Shares
PRIMECAP MANAGEMENT CO/CA/ $151,117,008 308,050 0.38% Shares
Vanguard Global Advisers, LLC $150,664,712 307,128 0.38% Shares
Legal & General Group Plc $143,824,344 293,184 0.37% Shares
AMERIPRISE FINANCIAL INC $138,961,697 283,311 0.35% Shares
Qube Research & Technologies Ltd $138,764,217 282,869 0.35% Shares
NEUBERGER BERMAN GROUP LLC $136,104,825 277,943 0.35% Shares
VANGUARD ASSET MANAGEMENT, Ltd $135,252,788 275,711 0.34% Shares
National Pension Service $133,555,451 272,251 0.34% Shares
RHUMBLINE ADVISERS $126,951,409 258,789 0.32% Shares
California Public Employees Retirement System $118,082,207 240,709 0.30% Shares
Analog Century Management LP $110,963,691 226,198 0.28% Shares
Alyeska Investment Group, L.P. $108,397,081 220,966 0.28% Shares
CITADEL ADVISORS LLC $105,011,236 214,064 0.27% Shares
Assenagon Asset Management S.A. $104,980,821 214,002 0.27% Shares
Point72 Asset Management, L.P. $103,270,729 210,516 0.26% Shares
BARCLAYS PLC $101,991,840 207,909 0.26% Shares
Caisse de depot et placement du Quebec $98,279,772 200,342 0.25% Shares
Amanah Holdings Trust $98,112,000 200,000 0.25% Shares
Williams Jones Wealth Management, LLC. $96,033,007 195,762 0.24% Shares
BNP PARIBAS ASSET MANAGEMENT Holding S.A. $95,998,213 195,902 0.24% Shares
RENAISSANCE TECHNOLOGIES LLC $90,642,733 184,774 0.23% Shares
TD Asset Management Inc $85,709,172 174,717 0.22% Shares
BIT Capital GmbH $82,838,905 168,866 0.21% Shares
Squarepoint Ops LLC $82,063,330 167,285 0.21% Shares
MILLENNIUM MANAGEMENT LLC $81,638,995 166,420 0.21% Shares
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM $81,407,560 209,689 0.21% Shares
LPL Financial LLC $80,676,271 164,458 0.21% Shares
PRINCIPAL FINANCIAL GROUP INC $78,020,624 159,044 0.20% Shares
Zurcher Kantonalbank (Zurich Cantonalbank) $77,941,154 158,882 0.20% Shares
PRUDENTIAL FINANCIAL INC $77,584,026 158,154 0.20% Shares
ENVESTNET ASSET MANAGEMENT INC $75,249,230 153,397 0.19% Shares
NEW YORK STATE COMMON RETIREMENT FUND $74,950,700 152,786 0.19% Shares
SCHRODER INVESTMENT MANAGEMENT GROUP $71,385,953 149,053 0.18% Shares
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC $65,637,419 133,801 0.17% Shares
Senvest Management, LLC $63,981,779 130,426 0.16% Shares
ThornTree Capital Partners LP $63,906,232 130,272 0.16% Shares
CANADA PENSION PLAN INVESTMENT BOARD $62,948,659 128,320 0.16% Shares
Rokos Capital Management LLP $62,330,183 127,045 0.16% Shares
BECKER CAPITAL MANAGEMENT INC $62,306,517 127,011 0.16% Shares
ADAGE CAPITAL PARTNERS GP, L.L.C. $61,810,560 126,000 0.16% Shares
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM $61,098,267 124,548 0.16% Shares
AVIVA PLC $60,836,308 124,014 0.15% Shares
Korea Investment CORP $59,798,283 121,898 0.15% Shares
Walleye Trading LLC $59,063,424 120,400 0.15% Call option
CAXTON ASSOCIATES LLP $57,848,797 117,924 0.15% Shares
Foundations Investment Advisors, LLC $56,991,736 116,177 0.14% Shares
ALLIANCEBERNSTEIN L.P. $56,727,391 146,118 0.14% Shares
Gotham Asset Management, LLC $55,442,601 113,019 0.14% Shares
LOS ANGELES CAPITAL MANAGEMENT LLC $54,739,624 111,586 0.14% Shares
RAYMOND JAMES FINANCIAL INC $53,864,960 109,803 0.14% Shares
Quantinno Capital Management LP $52,765,080 107,560 0.13% Shares
ROYAL BANK OF CANADA $52,422,000 106,862 0.13% Shares
Ensign Peak Advisors, Inc $50,668,471 103,287 0.13% Shares
STOREBRAND ASSET MANAGEMENT AS $49,594,635 101,098 0.13% Shares
Bridgewater Associates, LP $49,565,201 101,038 0.13% Shares
1832 Asset Management L.P. $49,448,448 100,800 0.13% Shares
Stephens Investment Management Group LLC $49,434,222 100,771 0.13% Shares
Swedbank AB $47,141,835 96,098 0.12% Shares
PFA Pension, Forsikringsaktieselskab $46,846,165 95,495 0.12% Shares
Connor, Clark & Lunn Investment Management Ltd. $45,980,189 93,730 0.12% Shares
APG Asset Management N.V. $45,936,634 107,060 0.12% Shares
Nearwater Capital Markets, Ltd $45,622,080 93,000 0.12% Shares
CITIGROUP INC $44,394,208 90,497 0.11% Shares
Walleye Capital LLC $43,778,065 89,241 0.11% Shares

Company insiders 50 insiders · 24 officers · 19 directors

Insider Role Last activity Shares owned Buys 12m Sells 12m Net 12m
Gary B Smith President, CEO Aug. 17, 2026 S 246,030 0 24 $-46,982,361
Marc D. Graff SVP & Chief Financial Officer Aug. 14, 2026 S 107,519 0 3 $-2,266,806
James E Moylan JR SVP Finance, CFO June 20, 2025 F 225,045 0 0 $0
Joseph R Chinnici SR VP FINANCE, CFO Dec. 20, 2007 S 32,067 0 0 $0
Francois Locoh-Donou Chief Operating Officer March 21, 2017 S 282,568 0 0 $0
Brodie Gage SVP Global Products & Supply Aug. 17, 2026 S 38,407 0 3 $-1,625,388
David M Rothenstein SVP and Chief Strategy Officer Aug. 14, 2026 S 180,231 0 3 $-3,290,200
Dino Diperna SVP Global R&D July 15, 2026 S 39,624 0 2 $-351,236
Sheela Kosaraju SVP and General Counsel July 1, 2026 S 88,081 0 1 $-938,461
Jason Phipps SVP Global Sales and Marketing July 1, 2026 S 62,382 0 16 $-10,246,883
Joseph Cumello SVP, General Mgr. Blue Planet June 26, 2026 S 42,872 0 1 $-739,599
Grant Hoffman SVP Chief Supply Chain Officer June 22, 2026 A 6,517 0 0 $0
Patrick H Nettles Executive Chairman March 21, 2025 F 165,745 0 0 $0
Andrew C Petrik VP, CONTROLLER Dec. 17, 2024 A 32,804 0 0 $0
Scott Mcfeely SVP, Networking Platforms March 20, 2023 F 102,730 0 0 $0
Stephen B Alexander SVP, Chief Technology Officer Jan. 17, 2023 S 70,561 0 0 $0
James Frodsham SR. VP, Chief Strategy Officer June 20, 2019 F 126,487 0 0 $0
Marcus H Starke SVP, Chief Marketing Officer Dec. 21, 2016 S 67,695 0 0 $0
Philippe Morin SVP, Global Sales & Field Ops Sept. 21, 2015 S 215,988 0 0 $0
James Richard Dodd JR SVP, Global Marketing Sept. 22, 2014 S 108,834 0 0 $0
David R Nachbar SVP & Chief HR Officer Dec. 15, 2011 A 88,190 0 0 $0
Russell B Stevenson JR SR. VP, GENERAL COUNSEL Aug. 2, 2008 F 45,329 0 0 $0
Steve W Chaddick Sr.VP, Chief Strategy Officer May 26, 2005 M 584,875 0 0 $0
Jesus Leon Sr.V.P., and Chief Dev Officer May 26, 2004 A 0 0 $0
Bruce L. Claflin Director March 26, 2026 A 50,843 0 1 $-1,185,555
Patrick Gallagher Director March 26, 2026 A 50,789 0 1 $-2,642,514
Mary G Puma Director March 26, 2026 A 11,477 0 0 $0
Hassan Ahmed Director March 26, 2026 A 24,025 0 0 $0
FITT LAWTON W Director March 26, 2026 A 130,033 0 0 $0
Judith M Obrien Director April 5, 2022 S 68,341 0 0 $0
Joanne Beth Olsen Director April 2, 2020 A 14,053 0 0 $0
Devinder Kumar Director April 2, 2020 A 8,607 0 0 $0
William D Fathers Director April 3, 2018 A 12,433 0 0 $0
Michael J Rowny Director April 3, 2018 A 95,917 0 0 $0
Harvey B Cash Director April 3, 2018 A 113,459 0 0 $0
Manuel D Medina Director Sept. 24, 2012 D 50,000 0 0 $0
Stephen P Bradley Director March 23, 2011 A 40,345 0 0 $0
Gerald H Taylor Director March 26, 2008 A 7,856 0 0 $0
Bruce L Claflin Director March 14, 2007 A 5,392 0 0 $0
Don H Davis JR Director March 17, 2005 A 10,000 0 0 $0
John R Dillon Director March 11, 2004 A 9,200 0 0 $0
Thomas Michael Nevens March 26, 2026 A 10,027 0 1 $-1,921,742
Rick Hamilton Dec. 21, 2022 S 77,190 0 0 $0
Michael Gerald Aquino June 21, 2011 S 152,721 0 0 $0
Arthur D Smith July 1, 2010 S 220,460 0 0 $0
James Collier March 7, 2006 F 87,502 0 0 $0
Neil Robert A O Jan. 3, 2005 S 231,012 0 0 $0
Gudmundur Hjartarson Dec. 20, 2004 M 571,880 0 0 $0
Edward A Ogonek Dec. 9, 2003 A 0 0 $0
Nicholas S Jeffery Dec. 9, 2003 A 14,000 0 0 $0

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

Activists & 5%+ owners 2 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
Ciena Corporation ×2 filings Aug. 12, 2015 Initial filing M&A / sale SEC
Undisclosed reporting person Feb. 20, 2002 Initial filing M&A / sale 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 217 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
NUMG · Nushares ETF Trust 5.94% 39,797 NS April 30, 2026 N-PORT
TCAI · Tortoise Capital Series Trust 5.08% 19,007 NS May 31, 2026 N-PORT
ULTY · Tidal Trust II 4.94% 80,000 NS April 30, 2026 N-PORT
GRZZ · Tidal Trust II 4.56% 3,217 NS April 30, 2026 N-PORT
FCUS · Tidal Trust II 4.33% 6,996 NS May 31, 2026 N-PORT
NRSH · Tidal Trust I 4.25% 2,219 NS April 30, 2026 N-PORT
FMTM · EA Series Trust 3.58% 7,913 NS April 30, 2026 N-PORT
FDND · First Trust Exchange-Traded Fund IV 3.48% 633 NS April 30, 2026 N-PORT
IDGT · iShares Trust 3.45% 45,539 SH Aug. 21, 2026 Daily
EGGS · Tidal Trust III 3.44% 3,338 NS May 31, 2026 N-PORT
EGGY · Tidal Trust III 3.30% 7,187 NS May 31, 2026 N-PORT
EGGQ · Tidal Trust III 3.17% 4,771 NS May 31, 2026 N-PORT
NBDS · Neuberger Berman ETF Trust 3.08% 1,920 NS May 31, 2026 N-PORT
IYZ · iShares Trust 2.95% 93,403 SH Aug. 21, 2026 Daily
FDN · First Trust Exchange-Traded Fund 2.85% 289,093 NS June 30, 2026 N-PORT
SMCO · Tidal Trust II 2.39% 5,840 NS April 30, 2026 N-PORT
WEBL · Direxion Shares ETF Trust 2.28% 4,842 NS April 30, 2026 N-PORT
RPG · Invesco Exchange-Traded Fund Trust 2.06% 102,772 SH Aug. 21, 2026 Daily
FFOX · FundX Investment Trust 2.06% 10,096 NS June 30, 2026 N-PORT
NULG · Nushares ETF Trust 1.85% 91,161 NS April 30, 2026 N-PORT
YOKE · EA Series Trust 1.83% 7,800 NS April 30, 2026 N-PORT
CGMM · Capital Group Equity ETF Trust I 1.65% 79,379 NS May 31, 2026 N-PORT
TRFK · Pacer Funds Trust 1.62% 18,881 NS April 30, 2026 N-PORT
VOT · VANGUARD INDEX FUNDS 1.52% 1,082,892 SH Aug. 19, 2026 Daily
SCHM · SCHWAB STRATEGIC TRUST 1.52% 380,880 NS May 31, 2026 N-PORT
FTCE · First Trust Exchange-Traded Fund VI 1.51% 2,503 NS June 30, 2026 N-PORT
BBMC · J.P. Morgan Exchange-Traded Fund Tr… 1.49% 57,319 NS April 30, 2026 N-PORT
NXTG · First Trust Exchange-Traded Fund II 1.46% 16,805 NS June 30, 2026 N-PORT
EQRR · ProShares Trust 1.26% 1,342 NS May 31, 2026 N-PORT
CLSE · Trust for Professional Managers 1.24% 13,091 NS May 31, 2026 N-PORT
GTEK · Goldman Sachs ETF Trust 1.21% 5,077 NS May 31, 2026 N-PORT
RSPT · Invesco Exchange-Traded Fund Trust 1.18% 174,727 SH Aug. 21, 2026 Daily
FSMD · FIDELITY COVINGTON TRUST 1.12% 50,121 NS April 30, 2026 N-PORT
ESLG · Strategy Shares 1.11% 409 NS April 30, 2026 N-PORT
FWD · AB Active ETFs, Inc. 1.10% 54,722 NS May 31, 2026 N-PORT
FTC · First Trust Exchange-Traded AlphaDE… 1.08% 25,999 NS April 30, 2026 N-PORT
LSEQ · Harbor ETF Trust 1.08% 314 NS April 30, 2026 N-PORT
ROUS · Lattice Strategies Trust 1.07% 11,955 NS April 30, 2026 N-PORT
TRFM · ETF Series Solutions 0.97% 2,867 NS April 30, 2026 N-PORT
PWB · Invesco Exchange-Traded Fund Trust 0.95% 58,767 SH Aug. 21, 2026 Daily
MSSM · MORGAN STANLEY PATHWAY FUNDS 0.94% 12,207 NS May 31, 2026 N-PORT
FFLG · FIDELITY COVINGTON TRUST 0.91% 10,136 NS April 30, 2026 N-PORT
SPHB · Invesco Exchange-Traded Fund Trust … 0.90% 24,092 SH Aug. 21, 2026 Daily
AVMC · AMERICAN CENTURY ETF TRUST 0.86% 6,004 NS May 31, 2026 N-PORT
SPXD · DBX ETF Trust 0.82% 96 NS May 31, 2026 N-PORT
OALC · Unified Series Trust 0.76% 3,163 NS May 31, 2026 N-PORT
CGGO · Capital Group Global Growth Equity … 0.75% 146,173 NS May 31, 2026 N-PORT
IMCG · iShares Trust 0.75% 77,758 SH Aug. 21, 2026 Daily
JPUS · J.P. Morgan Exchange-Traded Fund Tr… 0.70% 5,846 NS April 30, 2026 N-PORT
JPME · J.P. Morgan Exchange-Traded Fund Tr… 0.68% 5,661 NS April 30, 2026 N-PORT