Ciena Ownership | Who Owns Ciena?
Ciena Ownership Summary
Ciena is owned by 93.94% institutional investors, 0.59% insiders, and 5.47% retail investors. Fmr is the largest institutional shareholder, holding 13.47% of CIEN shares. Fidelity Growth Compy Commingled Pl S is the top mutual fund, with 5.61% of its assets in Ciena shares.
CIEN Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Ciena | 93.94% | 0.59% | 5.47% |
| Sector | Technology Stocks | 53.67% | 14.96% | 31.36% |
| Idea | 5G Stocks List | 80.04% | 8.14% | 11.82% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Fmr | 19.11M | 13.47% | $9.38B |
| Blackrock | 15.61M | 10.77% | $752.08M |
| Vanguard group | 14.38M | 10.11% | $3.36B |
| Blackrock funding, inc. /de | 12.72M | 8.96% | $6.24B |
| Jpmorgan chase | 11.21M | 7.89% | $5.37B |
| Vanguard capital management | 9.23M | 6.50% | $4.53B |
| State street | 6.68M | 4.71% | $3.28B |
| Price t rowe associates inc /md/ | 4.07M | 2.87% | $2.00B |
| Geode capital management | 3.37M | 2.37% | $1.65B |
| American century companies | 1.85M | 1.30% | $908.41M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Thorntree capital partners lp | 130.27K | 8.74% | $63.91M |
| M & l capital management | 62.93K | 8.35% | $30.87M |
| Foursixthree capital lp | 198.50K | 7.95% | $28.92M |
| North growth management | 113.00K | 7.11% | $55.47M |
| Amanah trust | 200.00K | 5.76% | $98.11M |
| Tuttle capital management | 15.63K | 5.17% | $7.67M |
| Titan global capital management usa | 80.42K | 5.03% | $39.45M |
| Riposte capital | 40.00K | 4.36% | $19.62M |
| Williamson legacy group | 17.00K | 4.14% | $8.34M |
| Analog century management lp | 226.20K | 4.06% | $110.96M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Norges bank | 1.70M | 0.08% | 1.70M |
| American century companies | 1.85M | 0.40% | 1.32M |
| Sixth street partners management company | 1.25M | 0.08% | 1.25M |
| Jpmorgan chase | 11.21M | 0.30% | 979.56K |
| Nuveen | 1.39M | 0.16% | 547.24K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Slate path capital lp | - | - | -2.18M |
| Fmr | 19.11M | 0.41% | -2.10M |
| Capital research global investors | 656.55K | 0.04% | -2.09M |
| Price t rowe associates inc /md/ | 4.07M | 0.20% | -1.17M |
| Jericho capital asset management | 561.51K | 2.28% | -1.09M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 1.70M | 0.08% | 1.70M | $835.50M |
| Sixth street partners management company | 1.25M | 0.08% | 1.25M | $612.71M |
| Artisan partners limited partnership | 434.29K | 0.09% | 434.29K | $63.26M |
| Altshuler shaham | 368.34K | 0.73% | 368.34K | $58.32M |
| Axa investment managers | 316.24K | 0.12% | 316.24K | $46.07M |
Sold Out
| Holder | Change |
|---|---|
| Fairman group | -1.00 |
| Clayton financial group | -1.00 |
| New millennium group | -1.00 |
| Tfo-tdc | -2.00 |
| Mendota financial group | -2.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 | 1,272 | 13.07% | 133,353,097 | -0.70% | 93 | 1.05% | 718 | 13.79% | 395 | 6.18% |
| Mar 31, 2026 | 1,106 | 25.11% | 133,944,777 | -10.16% | 94 | 0.85% | 619 | 21.85% | 366 | 34.07% |
| Dec 31, 2025 | 602 | -16.27% | 92,892,719 | -33.26% | 65 | 0.68% | 339 | -5.57% | 190 | -27.20% |
| Sep 30, 2025 | 690 | 19.17% | 138,609,254 | 1.30% | 97 | 1.06% | 347 | 13.77% | 249 | 43.93% |
| Jun 30, 2025 | 588 | 1.20% | 140,305,921 | 3.37% | 98 | 1.09% | 308 | 8.07% | 176 | -8.33% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Fidelity Growth Compy Commingled Pl S | 7.94M | 5.61% | -492.60K |
| Fidelity Growth Company Fund | 6.05M | 4.27% | -346.40K |
| iShares Core S&P Mid-Cap ETF | 4.63M | 3.28% | - |
| Vanguard US Total Market Shares ETF | 4.57M | 3.21% | 3.85K |
| Vanguard MStar Total Stk Mkt Idx Invest | 4.50M | 3.18% | 12.92K |
| Vanguard Total Stock Mkt Idx Inv | 4.49M | 3.17% | -13.10K |
| Vanguard Morn Total Stk Mkt Idx Investor | 4.49M | 3.17% | -13.10K |
| JPMorgan Large Cap Growth I | 4.31M | 3.04% | 979.70K |
| Fidelity Growth Compy Commingled Pl O | 4.10M | 2.84% | 15.49K |
| Vanguard 500 Index Investor | 3.71M | 2.62% | 39.29K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Aug 14, 2026 | Graff Marc D. | SVP & Chief Financial Officer | Sell | $2.15M |
| Aug 14, 2026 | Rothenstein David M | SVP and Chief Strategy Officer | Sell | $1.10M |
| Aug 17, 2026 | SMITH GARY B | President, CEO | Sell | $1.32M |
| Aug 17, 2026 | Gage Brodie | SVP Global Products & Supply | Sell | $527.09K |
| Aug 03, 2026 | SMITH GARY B | President, CEO | Sell | $1.12M |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q3 | - | 14 |
| 2026 Q2 | - | 32 |
| 2026 Q1 | - | 18 |
| 2025 Q4 | - | 19 |
| 2025 Q3 | - | 18 |
CIEN Ownership FAQ
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