CIENNYSETelephone & Telegraph ApparatusFiscal year ends October 31
CIENA CORP
Financials through Q3 FY2026, quarter ended Aug 1, 2026Last filing: 10-Q on Sep 3, 2026
$344.20+11.47 (+3.45%)
Close on Oct 19, 2026
- Market cap
- $50.24B
- P/E (TTM)
- 76.8
- Dividend yield
- –
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 · 84 sales
Net sold $95.93M
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 |
|---|---|---|---|---|
| Vanguard Portfolio Management | 7,388,304 | 5.22% | 13G (passive) | Mar 31, 2026 |
| FMR LLC | 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 |
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% | $2.00M | −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)
| 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 | 232,296 | 0.16% | Sep 22, 2026 |
| Patrick H. Nettles | Executive Chairman, Director | 165,745 | 0.12% | Mar 24, 2025 |
| Joseph Cumello | EVP & General Mgr. | 39,570 | 0.03% | Sep 29, 2026 |
| Jason Phipps | EVP & Chief Customer Officer | 60,788 | 0.04% | Sep 22, 2026 |
| Brodie Gage | EVP & Chief Product & | 35,273 | 0.02% | Sep 22, 2026 |
| Sheela Kosaraju | EVP & Chief Legal Officer | 87,925 | 0.06% | Sep 22, 2026 |
| David M. Rothenstein | EVP & Chief Strategy Officer | 175,381 | 0.12% | Sep 22, 2026 |
| Dino DiPerna | EVP & Chief R&D Officer | 38,922 | 0.03% | Sep 22, 2026 |
| Grant Hoffman | EVP & Chief Supply | 6,347 | 0.00% | Sep 22, 2026 |
| Marc D. Graff | EVP & Chief Financial Officer | 107,233 | 0.08% | 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 |
| Hassan Ahmed | Director | 24,025 | 0.02% | Mar 30, 2026 |
| Lawton W. Fitt | Director | 130,033 | 0.09% | Mar 30, 2026 |
| Mary G. Puma | Director | 11,477 | 0.01% | Mar 30, 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 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| 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 |
| Gary B. Smith President, CEO, Director | Aug 3, 2026 | Sale(10b5-1 plan) | −2,952 | $379.81 | $1.12M | 248,982 |
| Marc D. Graff SVP & Chief Financial Officer | Aug 1, 2026 | Tax withholding | −14,441 | $377.05 | $5.44M | 112,514 |
| Dino DiPerna SVP Global R&D | Jul 15, 2026 | Sale(10b5-1 plan) | −391 | $449.15 | $175.62K | 40,015 |
| Dino DiPerna SVP Global R&D | Jul 15, 2026 | Sale(10b5-1 plan) | −391 | $449.15 | $175.62K | 39,624 |
| Brodie Gage SVP Global Products & Supply | Jul 15, 2026 | Sale(10b5-1 plan) | −1,200 | $449.15 | $538.98K | 39,607 |
| Gary B. Smith President, CEO, Director | Jul 15, 2026 | Sale(10b5-1 plan) | −2,952 | $421.10 | $1.24M | 251,934 |
| David M. Rothenstein SVP and Chief Strategy Officer | Jul 15, 2026 | Sale(10b5-1 plan) | −2,500 | $420.91 | $1.05M | 182,731 |
| Gary B. Smith President, CEO, Director | Jul 1, 2026 | Sale(10b5-1 plan) | −2,952 | $468.83 | $1.38M | 254,886 |
| Sheela Kosaraju SVP and General Counsel | Jul 1, 2026 | Sale(10b5-1 plan) | −2,013 | $466.20 | $938.46K | 88,081 |
| Jason Phipps SVP Global Sales and Marketing | Jul 1, 2026 | Sale(10b5-1 plan) | −2,629 | $466.20 | $1.23M | 62,382 |
| Marc D. Graff SVP & Chief Financial Officer | Jul 1, 2026 | Sale(10b5-1 plan) | −126 | $466.20 | $58.74K | 126,955 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Diperna Dino Officer | Oct 15, 2026 | 890 | $308.87K | Oct 15, 2026 | Restricted Stock |
| Gage Brodie Officer | Oct 15, 2026 | 1,200 | $412.90K | Oct 15, 2026 | Performance Shares |
| Rothenstein David Officer | Oct 15, 2026 | 2,500 | $899.00K | Oct 15, 2026 | Restricted Stock Units |
| B. Smith Gary Officer | Oct 15, 2026 | 14,760 | $5.26M | Oct 15, 2026 | Acquired as compensation -- Restricted Stock Units |
| Graff Marc Officer | Oct 1, 2026 | 97 | $34.13K | Oct 1, 2026 | Restricted Stock Units |
| Kosaraju Sheela Officer | Oct 1, 2026 | 2,101 | $746.25K | Oct 1, 2026 | Restricted Stock |
| Phipps Jason Officer | Oct 1, 2026 | 2,629 | $933.79K | Oct 1, 2026 | Restricted Stock |
| Cumello Joseph Officer | Sep 25, 2026 | 1,586 | $568.47K | Sep 25, 2026 | Restricted Stock Units |
| Michael Nevens Thomas Director | Sep 23, 2026 | 3,738 | $1.34M | Sep 23, 2026 | Restricted Stock |
| Diperna Dino Officer | Sep 16, 2026 | 249 | $87.15K | Sep 16, 2026 | Restricted Stock |
| Gage Brodie Officer | Sep 15, 2026 | 1,200 | $389.83K | Sep 15, 2026 | Performance Shares |
| Diperna Dino Officer | Sep 15, 2026 | 249 | $80.89K | Sep 15, 2026 | Restricted Stock |
| Rothenstein David Officer | Sep 15, 2026 | 2,500 | $799.10K | Sep 15, 2026 | Restricted Stock Units |
| Gage Brodie Officer | Aug 17, 2026 | 1,200 | $527.09K | Aug 17, 2026 | Performance Shares |
| Graff Marc Officer | Aug 14, 2026 | 4,995 | $2.21M | Aug 14, 2026 | Restricted Stock Units |