Ciena Corporation · NYSE:CIEN
Ciena Corporation shareholders
As of Jun 30, 2026, 1,199 institutions reported holding Ciena Corporation, 93.3% of its shares. Largest: Fidelity, Vanguard and BlackRock. New holders, exits, insiders and big stakes, each with its filing.
| Holder | Shares | % of Ciena Corporation | Change | Filed |
|---|---|---|---|---|
| Fidelity | 19.1M | 13.5% | −2.1M | Aug 13, 2026 |
| Vanguard | 18.4M | 13.0% | +424K | Aug 13, 2026 |
| BlackRock | 12.7M | 9.0% | −655K | Aug 7, 2026 |
| JPMorgan | 11.2M | 7.9% | +980K | Aug 12, 2026 |
| State Street | 6.68M | 4.7% | +372K | Aug 7, 2026 |
| T. Rowe Price | 4.34M | 3.1% | −1.32M | Aug 14, 2026 |
| Geode Capital | 3.37M | 2.4% | −695K | Aug 12, 2026 |
| Capital Group | 2.41M | 1.7% | −2.06M | Aug 12, 2026 |
| American Century | 1.85M | 1.3% | +1.32M | Aug 12, 2026 |
| Bank of America | 1.79M | 1.3% | −166K | Aug 14, 2026 |