Ciena Corp (CIEN) shareholders
CIENNYSETelephone & Telegraph ApparatusFiscal year ends October 31
Financials through Q3 FY2026, quarter ended Aug 1, 2026Last filing: 10-Q on Sep 3, 2026Score 12/30105% above fair value
$280.54−13.45 (-4.57%)
Close on Nov 13, 2026Market cap $39.78BP/E 62.6Yield –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
93.3%
132M of 142M shares
Institutional holders
1,224
262 new, 107 sold out
Net institutional buying
-2M
In Q2 2026
Insider trades, 12 months
0 buys · 92 sales
Net sold $99.52M
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| FMR LLC Joint filing with Abigail P. Johnson (13.50%) | 19,113,538 | 13.50% | 13G (passive) amendment | Jun 30, 2026 |
| BlackRock, Inc. | 11,274,540 | 8.00% | 13G (passive) amendment | Mar 31, 2026 |
| Vanguard Capital Management | 10,568,831 | 7.47% | 13G (passive) | Mar 31, 2026 |
| Vanguard Portfolio Management | 7,388,304 | 5.22% | 13G (passive) | Mar 31, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of CIEN | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| FMR LLC | 19,113,538 | 13.48% | $9.38B | −2,096,218 | 0.41% |
| BlackRock, Inc. | 12,718,494 | 8.97% | $6.24B | −655,293 | 0.09% |
| JPMorgan Chase & Co | 11,206,209 | 7.90% | $5.37B | +979,560 | 0.30% |
| Vanguard Capital Management LLC | 9,233,803 | 6.51% | $4.53B | +64,448 | 0.10% |
| Vanguard Portfolio Management LLC | 7,680,665 | 5.42% | $3.77B | +311,541 | 0.17% |
| State Street Corp | 6,680,578 | 4.71% | $3.28B | +371,528 | 0.10% |
| Price T Rowe Associates Inc /Md/ | 4,071,401 | 2.87% | $2.00B | −1,171,401 | 0.20% |
| Geode Capital Management, LLC | 3,370,462 | 2.38% | $1.65B | −695,097 | 0.09% |
| American Century Companies Inc | 1,851,788 | 1.31% | $908.41M | +1,315,946 | 0.40% |
| Bank Of America Corp /De/ | 1,788,582 | 1.26% | $877.41M | −166,050 | 0.06% |
| Capital World Investors | 1,755,602 | 1.24% | $861.23M | +30,795 | 0.10% |
| Invesco Ltd. | 1,730,210 | 1.22% | $848.77M | +199,917 | 0.07% |
| Norges Bank | 1,703,155 | 1.20% | $835.50M | New | 0.08% |
| Arrowstreet Capital, Limited Partnership | 1,677,029 | 1.18% | $822.68M | +288,552 | 0.37% |
| Morgan Stanley | 1,634,630 | 1.15% | $801.88M | +73,076 | 0.04% |
| Nuveen, LLC | 1,391,429 | 0.98% | $682.58M | +547,236 | 0.16% |
| Charles Schwab Investment Management Inc | 1,248,995 | 0.88% | $612.71M | −23,263 | 0.08% |
| Northern Trust Corp | 1,217,939 | 0.86% | $597.47M | +30,648 | 0.07% |
| Dimensional Fund Advisors LP | 1,153,229 | 0.81% | $565.63M | +7,209 | 0.10% |
| UBS Asset Management Americas Inc | 1,145,480 | 0.81% | $561.93M | +293,548 | 0.10% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 1,224 | 132M | 93.3% | 262 / 471 | 382 / 107 | 15M | 17M |
| Q1 2026 | 1,083 | 134M | 94.7% | 320 / 316 | 366 / 80 | 33M | 37M |
| Q4 2025 | 853 | 152M | 100.0% | 260 / 248 | 274 / 84 | 31M | 24M |
| Q3 2025 | 688 | 146M | 100.0% | 180 / 175 | 261 / 48 | 25M | 21M |
| Q2 2025 | 563 | 141M | 99.6% | 104 / 199 | 180 / 81 | 18M | 13M |
| Q1 2025 | 544 | 136M | 96.2% | 99 / 184 | 188 / 81 | 17M | 19M |
| Q4 2024 | 534 | 140M | 98.9% | 129 / 167 | 173 / 52 | 18M | 19M |
| Q3 2024 | 464 | 143M | 100.0% | 80 / 154 | 154 / 65 | 32M | 15M |
| Q2 2024 | 454 | 142M | 99.9% | 60 / 149 | 169 / 69 | 18M | 18M |
| Q1 2024 | 468 | 142M | 100.0% | 75 / 121 | 194 / 53 | 23M | 18M |
| Q4 2023 | 451 | 137M | 96.8% | 64 / 133 | 170 / 74 | 16M | 13M |
| Q3 2023 | 468 | 135M | 95.0% | 65 / 137 | 195 / 62 | 10M | 13M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
897 funds held CIEN in Q2 2026, 46% of their shares through ETFs. Each fund counts once per quarter, from its quarter-end report.
| Fund | Shares | % of CIEN | Value | % of fund | As of |
|---|---|---|---|---|---|
| Fidelity Growth Company Fund | 6,395,601 | 4.51% | $3.71B | 3.76% | May 31, 2026 |
| Vanguard Total Stock Market Index Fund | 4,488,946 | 3.17% | $2.20B | 0.10% | Jun 30, 2026 |
| JPMorgan Large Cap Growth Fund | 4,307,044 | 3.04% | $2.11B | 1.73% | Jun 30, 2026 |
| Vanguard 500 Index Fund | 3,663,385 | 2.58% | $1.80B | 0.11% | Jun 30, 2026 |
| Vanguard Mid-Cap Index Fund | 3,063,673 | 2.16% | $1.50B | 0.67% | Jun 30, 2026 |
| iShares Core S&P 500 ETF | 1,944,436 | 1.37% | $953.86M | 0.11% | Jun 30, 2026 |
| Fidelity 500 Index Fund | 1,802,524 | 1.27% | $1.05B | 0.13% | May 31, 2026 |
| Fidelity Growth Company K6 Fund | 1,777,762 | 1.25% | $1.03B | 3.75% | May 31, 2026 |
| Vanguard Growth Index Fund | 1,622,939 | 1.14% | $796.15M | 0.21% | Jun 30, 2026 |
| Fidelity Series Growth Company Fund | 1,503,539 | 1.06% | $872.40M | 3.57% | May 31, 2026 |
| New Economy Fund | 1,255,050 | 0.89% | $728.22M | 1.41% | May 31, 2026 |
| Vanguard Information Technology Index Fund | 1,088,887 | 0.77% | $631.80M | 0.37% | May 31, 2026 |
| Vanguard Mid-Cap Growth Index Fund | 1,082,892 | 0.76% | $531.22M | 1.53% | Jun 30, 2026 |
| Ultra Fund | 1,077,000 | 0.76% | $406.08M | 1.57% | Jul 31, 2026 |
| State Street(R) Technology Select Sector SPDR(R) ETF | 976,171 | 0.69% | $478.87M | 0.39% | Jun 30, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Gary B. Smith | President & CEO, Director | 222,503 | 0.16% | Nov 4, 2026 |
| Patrick H. Nettles | Executive Chairman, Director | 165,745 | 0.12% | Mar 24, 2025 |
| Marc D. Graff | EVP & Chief Financial Officer | 103,377 | 0.07% | Nov 3, 2026 |
| David M. Rothenstein | EVP & Chief Strategy Officer | 172,881 | 0.12% | Oct 19, 2026 |
| Brodie Gage | EVP & Chief Product & Tech | 34,073 | 0.02% | Oct 19, 2026 |
| Dino DiPerna | EVP & Chief R&D Officer | 36,183 | 0.03% | Oct 19, 2026 |
| Sheela Kosaraju | EVP & Chief Legal Officer | 84,065 | 0.06% | Oct 6, 2026 |
| Jason Phipps | EVP & Chief Customer Officer | 57,388 | 0.04% | Oct 6, 2026 |
| Joseph Cumello | EVP & General Mgr. | 39,570 | 0.03% | Sep 29, 2026 |
| Grant Hoffman | EVP & Chief Supply | 6,347 | 0.00% | Sep 22, 2026 |
| James E. Moylan Jr | SVP Finance, CFO | 378,181 | 0.27% | Jun 24, 2025 |
| Andrew C. Petrik | VP, CONTROLLER | 32,804 | 0.02% | Dec 19, 2024 |
| Bruce L. Claflin | Director | 59,122 | 0.04% | Sep 28, 2026 |
| Thomas Michael Nevens | Director | 3,492 | 0.00% | Sep 25, 2026 |
| Patrick Gallagher | Director | 51,439 | 0.04% | Mar 30, 2026 |
| Devinder Kumar | Director | 29,557 | 0.02% | Mar 30, 2026 |
| Joanne Beth Olsen | Director | 35,003 | 0.02% | Mar 30, 2026 |
| Mary G. Puma | Director | 11,477 | 0.01% | Mar 30, 2026 |
| Hassan Ahmed | Director | 24,025 | 0.02% | Mar 30, 2026 |
| Lawton W. Fitt | Director | 130,033 | 0.09% | Mar 30, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Gary B. Smith President & CEO, Director | Nov 2, 2026 | Sale(10b5-1 plan) | −2,952 | $298.16 | $880.16K | 222,503 |
| Marc D. Graff EVP & Chief Financial Officer | Nov 1, 2026 | Tax withholding | −3,759 | $320.72 | $1.21M | 103,377 |
| Brodie Gage EVP & Chief Product & Tech | Oct 15, 2026 | Sale(10b5-1 plan) | −1,200 | $344.08 | $412.90K | 34,073 |
| Dino DiPerna EVP & Chief R&D Officer | Oct 15, 2026 | Sale(10b5-1 plan) | −445 | $350.00 | $155.75K | 36,183 |
| Dino DiPerna EVP & Chief R&D Officer | Oct 15, 2026 | Sale(10b5-1 plan) | −445 | $344.08 | $153.12K | 36,628 |
| David M. Rothenstein EVP & Chief Strategy Officer | Oct 15, 2026 | Sale(10b5-1 plan) | −2,500 | $348.06 | $870.16K | 172,881 |
| Gary B. Smith President & CEO, Director | Oct 15, 2026 | Sale(10b5-1 plan) | −2,952 | $348.02 | $1.03M | 225,455 |
| Gary B. Smith President & CEO, Director | Oct 1, 2026 | Sale(10b5-1 plan) | −2,952 | $369.66 | $1.09M | 228,407 |
| Marc D. Graff EVP & Chief Financial Officer | Oct 1, 2026 | Sale(10b5-1 plan) | −97 | $355.19 | $34.45K | 107,136 |
| Sheela Kosaraju EVP & Chief Legal Officer | Oct 1, 2026 | Sale(10b5-1 plan) | −2,101 | $355.19 | $746.25K | 84,065 |
| Jason Phipps EVP & Chief Customer Officer | Oct 1, 2026 | Sale(10b5-1 plan) | −2,629 | $355.19 | $933.79K | 57,388 |
| Joseph Cumello EVP & General Mgr. | Sep 25, 2026 | Sale(10b5-1 plan) | −1,586 | $358.52 | $568.61K | 39,570 |
| Bruce L. Claflin Director | Sep 24, 2026 | Sale | −2,857 | $355.91 | $1.02M | 8,279 |
| Thomas Michael Nevens Director | Sep 24, 2026 | Gift | −2,797 | – | – | 3,492 |
| Thomas Michael Nevens Director | Sep 23, 2026 | Sale | −3,738 | $359.04 | $1.34M | 6,289 |
| Gary B. Smith President & CEO, Director | Sep 20, 2026 | Tax withholding | −1,743 | $348.80 | $607.96K | 232,296 |
| Gary B. Smith President & CEO, Director | Sep 20, 2026 | Tax withholding | −937 | $348.80 | $326.83K | 231,359 |
| Gary B. Smith President & CEO, Director | Sep 20, 2026 | Tax withholding | −2,985 | $348.80 | $1.04M | 237,141 |
| Gary B. Smith President & CEO, Director | Sep 20, 2026 | Tax withholding | −3,102 | $348.80 | $1.08M | 234,039 |
| Marc D. Graff EVP & Chief Financial Officer | Sep 20, 2026 | Tax withholding | −286 | $348.80 | $99.76K | 107,233 |
| Dino DiPerna EVP & Chief R&D Officer | Sep 20, 2026 | Tax withholding | −204 | $348.80 | $71.16K | 38,922 |
| Dino DiPerna EVP & Chief R&D Officer | Sep 20, 2026 | Tax withholding | −444 | $348.80 | $154.87K | 38,478 |
| Dino DiPerna EVP & Chief R&D Officer | Sep 20, 2026 | Tax withholding | −730 | $348.80 | $254.62K | 37,748 |
| Dino DiPerna EVP & Chief R&D Officer | Sep 20, 2026 | Tax withholding | −247 | $348.80 | $86.15K | 37,073 |
| Dino DiPerna EVP & Chief R&D Officer | Sep 20, 2026 | Tax withholding | −428 | $348.80 | $149.29K | 37,320 |
| David M. Rothenstein EVP & Chief Strategy Officer | Sep 20, 2026 | Tax withholding | −220 | $348.80 | $76.74K | 175,381 |
| David M. Rothenstein EVP & Chief Strategy Officer | Sep 20, 2026 | Tax withholding | −679 | $348.80 | $236.84K | 177,052 |
| David M. Rothenstein EVP & Chief Strategy Officer | Sep 20, 2026 | Tax withholding | −204 | $348.80 | $71.16K | 176,848 |
| David M. Rothenstein EVP & Chief Strategy Officer | Sep 20, 2026 | Tax withholding | −811 | $348.80 | $282.88K | 176,037 |
| David M. Rothenstein EVP & Chief Strategy Officer | Sep 20, 2026 | Tax withholding | −436 | $348.80 | $152.08K | 175,601 |
| Sheela Kosaraju EVP & Chief Legal Officer | Sep 20, 2026 | Tax withholding | −156 | $348.80 | $54.41K | 87,925 |
| Sheela Kosaraju EVP & Chief Legal Officer | Sep 20, 2026 | Tax withholding | −691 | $348.80 | $241.02K | 87,234 |
| Sheela Kosaraju EVP & Chief Legal Officer | Sep 20, 2026 | Tax withholding | −549 | $348.80 | $191.49K | 86,685 |
| Sheela Kosaraju EVP & Chief Legal Officer | Sep 20, 2026 | Tax withholding | −330 | $348.80 | $115.10K | 86,355 |
| Sheela Kosaraju EVP & Chief Legal Officer | Sep 20, 2026 | Tax withholding | −189 | $348.80 | $65.92K | 86,166 |
| Jason Phipps EVP & Chief Customer Officer | Sep 20, 2026 | Tax withholding | −859 | $348.80 | $299.62K | 60,788 |
| Jason Phipps EVP & Chief Customer Officer | Sep 20, 2026 | Tax withholding | −735 | $348.80 | $256.37K | 61,647 |
| Jason Phipps EVP & Chief Customer Officer | Sep 20, 2026 | Tax withholding | −503 | $348.80 | $175.45K | 60,285 |
| Jason Phipps EVP & Chief Customer Officer | Sep 20, 2026 | Tax withholding | −268 | $348.80 | $93.48K | 60,017 |
| Brodie Gage EVP & Chief Product & | Sep 20, 2026 | Tax withholding | −231 | $348.80 | $80.57K | 35,273 |
| Brodie Gage EVP & Chief Product & | Sep 20, 2026 | Tax withholding | −204 | $348.80 | $71.16K | 37,003 |
| Brodie Gage EVP & Chief Product & | Sep 20, 2026 | Tax withholding | −388 | $348.80 | $135.33K | 35,504 |
| Brodie Gage EVP & Chief Product & | Sep 20, 2026 | Tax withholding | −669 | $348.80 | $233.35K | 35,892 |
| Brodie Gage EVP & Chief Product & | Sep 20, 2026 | Tax withholding | −442 | $348.80 | $154.17K | 36,561 |
| Joseph Cumello EVP & General Mgr. | Sep 20, 2026 | Tax withholding | −441 | $348.80 | $153.82K | 42,431 |
| Joseph Cumello EVP & General Mgr. | Sep 20, 2026 | Tax withholding | −182 | $348.80 | $63.48K | 42,249 |
| Joseph Cumello EVP & General Mgr. | Sep 20, 2026 | Tax withholding | −582 | $348.80 | $203.00K | 41,667 |
| Joseph Cumello EVP & General Mgr. | Sep 20, 2026 | Tax withholding | −331 | $348.80 | $115.45K | 41,156 |
| Joseph Cumello EVP & General Mgr. | Sep 20, 2026 | Tax withholding | −180 | $348.80 | $62.78K | 41,487 |
| Grant Hoffman EVP & Chief Supply | Sep 20, 2026 | Tax withholding | −170 | $348.80 | $59.30K | 6,347 |
| Dino DiPerna EVP & Chief R&D Officer | Sep 16, 2026 | Sale(10b5-1 plan) | −249 | $350.00 | $87.15K | 39,126 |
| Brodie Gage EVP & Chief Product & | Sep 15, 2026 | Sale(10b5-1 plan) | −1,200 | $324.86 | $389.83K | 37,207 |
| Gary B. Smith President & CEO, Director | Sep 15, 2026 | Sale(10b5-1 plan) | −2,952 | $330.18 | $974.69K | 240,126 |
| David M. Rothenstein EVP & Chief Strategy Officer | Sep 15, 2026 | Sale(10b5-1 plan) | −2,500 | $330.48 | $826.20K | 177,731 |
| Dino DiPerna EVP & Chief R&D Officer | Sep 15, 2026 | Sale(10b5-1 plan) | −249 | $324.86 | $80.89K | 39,375 |
| Gary B. Smith President, CEO, Director | Sep 1, 2026 | Sale(10b5-1 plan) | −2,952 | $362.90 | $1.07M | 243,078 |
| Gary B. Smith President, CEO, Director | Aug 17, 2026 | Sale(10b5-1 plan) | −2,952 | $447.78 | $1.32M | 246,030 |
| Brodie Gage SVP Global Products & Supply | Aug 17, 2026 | Sale(10b5-1 plan) | −1,200 | $439.24 | $527.09K | 38,407 |
| Marc D. Graff SVP & Chief Financial Officer | Aug 14, 2026 | Sale(10b5-1 plan) | −4,995 | $430.72 | $2.15M | 107,519 |
| David M. Rothenstein SVP and Chief Strategy Officer | Aug 14, 2026 | Sale(10b5-1 plan) | −2,500 | $438.10 | $1.10M | 180,231 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Short interest
Shares sold short and not yet bought back, as of Oct 30, 2026 (FINRA, reported twice a month)
Short % of float
2.79%
4M shares short
Days to cover
1.4
At 3M shares a day
Change since last report
-2.0%
From 4M shares
Short volume, 20 days
44.1%
Of volume reported to FINRA
Shares sold short, last 12 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of Ciena's stock actually held short. Settlement fails (shares not delivered on time) peaked at 39,058 shares on Sep 8, 2026 over the last 90 days.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Dino DiPerna Officer | Oct 15, 2026 | 890 | $308.87K | Oct 15, 2026 | Restricted Stock |
| Brodie Gage Officer | Oct 15, 2026 | 1,200 | $412.90K | Oct 15, 2026 | Performance Shares |
| David M. Rothenstein Officer | Oct 15, 2026 | 2,500 | $899.00K | Oct 15, 2026 | Restricted Stock Units |
| Gary B. Smith Officer | Oct 15, 2026 | 14,760 | $5.26M | Oct 15, 2026 | Acquired as compensation -- Restricted Stock Units |
| Marc D. Graff Officer | Oct 1, 2026 | 97 | $34.13K | Oct 1, 2026 | Restricted Stock Units |
| Sheela Kosaraju Officer | Oct 1, 2026 | 2,101 | $746.25K | Oct 1, 2026 | Restricted Stock |
| Jason Phipps Officer | Oct 1, 2026 | 2,629 | $933.79K | Oct 1, 2026 | Restricted Stock |
| Joseph Cumello Officer | Sep 25, 2026 | 1,586 | $568.47K | Sep 25, 2026 | Restricted Stock Units |
| Thomas Michael Nevens Director | Sep 23, 2026 | 3,738 | $1.34M | Sep 23, 2026 | Restricted Stock |
| Dino DiPerna Officer | Sep 16, 2026 | 249 | $87.15K | Sep 16, 2026 | Restricted Stock |
| Brodie Gage Officer | Sep 15, 2026 | 1,200 | $389.83K | Sep 15, 2026 | Performance Shares |
| Dino DiPerna Officer | Sep 15, 2026 | 249 | $80.89K | Sep 15, 2026 | Restricted Stock |
| David M. Rothenstein Officer | Sep 15, 2026 | 2,500 | $799.10K | Sep 15, 2026 | Restricted Stock Units |
| Brodie Gage Officer | Aug 17, 2026 | 1,200 | $527.09K | Aug 17, 2026 | Performance Shares |
| Marc D. Graff Officer | Aug 14, 2026 | 4,995 | $2.21M | Aug 14, 2026 | Restricted Stock Units |
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