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CIEN Ciena Corporation

Information Technology, filed as CIENA CORP (COM NEW), Equity As of 2026 Q2 among managers we track Quote on Google Finance, opens in a new tab

Bought by 1 manager in 2026 Q2, sold by 4

  • 4 Owners
  • Max 3.6%
  • $380M
  • 1 new 1 reduce 2 exits 1 small

In 2026 Q2 Spencer Waxman opened a position in Ciena, First Eagle Investment Management trimmed, and Stephen Mandel and Alex Sacerdote sold out.

Who owns this now

Largest portfolio weights among holders, up to 3.6% (Spencer Waxman, Shannon River Fund Management). Not free-float ownership.

  1. Spencer Waxman New 3.6%
  2. Gavin Baker Add 2.4%
  3. Mairs & Power 0.01%

Who owns CIEN

Sorted by value, long equity only, as of 2026 Q2.

History
Gavin Baker, Atreides Management 2.4% Small add +1.7% 688,521 $338M History
Spencer Waxman, Shannon River Fund Management 3.6% New 3.6% 81,298 $40M History
Mairs & Power 0.01% Hold 2,800 $1.4M History
First Eagle Investment Management <0.01% Reduce −23.1% 2,000 $981K History
Stephen Mandel, Lone Pine Capital exited 2026 Q2 Last 2026 Q1 2.5% Exit −2.51% 809,522 $314M History
Alex Sacerdote, Whale Rock Capital Management exited 2026 Q2 Last 2026 Q1 1.2% Exit −1.16% 231,267 $90M History

4 current, 2 exited last period, options excluded

Weight bar: held both quarters added sold at this quarter’s reported price

Insider trades

Open-market buys and sales by CIEN's executives, directors and 10% owners in the last 12 months, from their Form 4s

All CIEN insider trades
  • None no insider bought on the open market
  • $4.3M sold by 2 insiders outside a trading plan
  • $97.1M sold by 9 insiders under 10b5-1 plans
  1. Brodie Gage EVP & Chief Product & Tech
    Planned sale
    $413K 1,200 shares at $344.08 3.4% of stake
    Traded Oct 15 Filed Oct 19
    ↗
  2. Dino DiPerna EVP & Chief R&D Officer
    Planned sale
    $309K 890 shares at $347.04 2.4% of stake
    Traded Oct 15 Filed Oct 19
    ↗
  3. David M Rothenstein EVP & Chief Strategy Officer
    Planned sale
    $870K 2,500 shares at $348.06 1.4% of stake
    Traded Oct 15 Filed Oct 19
    ↗
  4. Gary B Smith CEO
    Planned sale
    $1M 2,952 shares at $348.02 1.3% of stake
    Traded Oct 15 Filed Oct 19
    ↗
  5. Gary B Smith CEO
    Planned sale
    $1.1M 2,952 shares at $369.66 1.3% of stake
    Traded Oct 1 Filed Oct 13
    ↗
  6. Marc D. Graff CFO
    Planned sale
    $34K 97 shares at $355.19 0.1% of stake
    Traded Oct 1 Filed Oct 6
    ↗
  7. Sheela Kosaraju EVP & Chief Legal Officer
    Planned sale
    $746K 2,101 shares at $355.19 2.4% of stake
    Traded Oct 1 Filed Oct 6
    ↗
  8. Jason Phipps EVP & Chief Customer Officer
    Planned sale
    $934K 2,629 shares at $355.19 4.4% of stake
    Traded Oct 1 Filed Oct 6
    ↗
  9. Joseph Cumello EVP & General Mgr.
    Planned sale
    $569K 1,586 shares at $358.52 3.9% of stake
    Traded Sep 25 Filed Sep 29
    ↗
  10. Bruce L. Claflin Director
    Sale
    $1M 2,857 shares at $355.91 26% of stake
    Traded Sep 24 Filed Sep 28
    ↗
  11. Thomas Michael Nevens Director
    Sale
    $1.3M 3,738 shares at $359.04 37% of stake
    Traded Sep 23 Filed Sep 25
    ↗
  12. Brodie Gage EVP & Chief Product &
    Planned sale
    $390K 1,200 shares at $324.86 3.1% of stake
    Traded Sep 15 Filed Sep 17
    ↗
  13. Dino DiPerna EVP & Chief R&D Officer
    Planned sale
    $168K 498 shares at $337.43 1.3% of stake
    Traded Sep 15–16 Filed Sep 17
    ↗
  14. David M Rothenstein EVP & Chief Strategy Officer
    Planned sale
    $826K 2,500 shares at $330.48 1.4% of stake
    Traded Sep 15 Filed Sep 17
    ↗
  15. Gary B Smith CEO
    Planned sale
    $975K 2,952 shares at $330.18 1.2% of stake
    Traded Sep 15 Filed Sep 17
    ↗

Also filed in the last 12 months, not counted as buying or selling: 162 share withholdings for taxes, 29 stock grants, and 1 gift.

Congress

4 members of Congress traded CIEN in the last three years: 7 buys and 4 sales. 2 members listed it in 2025 annual reports.

All Congress trades
  1. Alan Armstrong R-OK Buy $1K–$15K Mar 30 filed Jul 21
  2. Alan Armstrong R-OK Buy $1K–$15K Mar 27 filed Jul 21
  3. Gilbert Ray Cisneros, Jr. D-CA-31 Buy $1K–$15K May 29 filed Jun 8
  4. Gilbert Ray Cisneros, Jr. D-CA-31 Buy $1K–$15K May 14 filed Jun 8
  5. Lisa C. McClain R-MI-9Spouse Sell $1K–$15K Oct 31, 2025 filed Nov 21, 2025
  6. Lisa C. McClain R-MI-9Spouse Sell $1K–$15K Oct 30, 2025 filed Nov 21, 2025

SEC filings

Recent issuer filings from EDGAR, 4 shown.

Filed Form Detail Links
SCHEDULE 13G/A — Filing Doc
10-Q Filing Doc
8-K 2.02,9.01 Filing Doc
SCHEDULE 13G/A — Filing Doc

Source: SEC EDGAR submissions, updated 9 days ago. All on EDGAR

Financials

US-GAAP annual figures by fiscal year, as tagged in Form 10-K. Each value links to its SEC filing.

Income statement

Metric FY2023 FY2024 FY2025
Revenue $4.39B $4.01B $4.77B
Gross profit $1.88B $1.72B $2B
Gross margin * 42.8% 42.8% 42.0%
Net income $254.83M $83.96M $123.34M
Net margin * 5.8% 2.1% 2.6%

Balance sheet

Metric FY2023 FY2024 FY2025
Total current assets $3.58B $3.54B $3.57B
Total non-current assets * $2.03B $2.1B $2.3B
Total assets $5.6B $5.64B $5.86B
Total current liabilities $0.932B $1B $1.31B
Total non-current liabilities * $1.82B $1.83B $1.83B
Total equity $2.85B $2.82B $2.73B

Cash flow

Metric FY2023 FY2024 FY2025
Cash from operations $168.33M $514.53M $806.09M
Cash from investing -$383.45M -$306.48M -$241.5M
Cash from financing $229.38M -$285.06M -$405.92M
Net change in cash $16.41M -$75.76M $157.17M

Source: SEC companyfacts (US-GAAP 10-K). A * marks a computed figure, not a single XBRL tag. Fiscal years are as the issuer labels them. Follow The Filings does not adjust or audit these figures.

Ownership over time

13Fs that reported it each quarter. Click a bar for that quarter’s holders.