Ciena Corporation (CIEN) Shareholders & Insider Trades
Ciena shareholders at a glance
The largest holder of Ciena stock is Fidelity Management & Research Co. LLC, with 19.1 million shares (13.50% of the company), worth about $7.31 billion as of September 25, 2026. The 10 largest holders together own 53.2%.
In Q2 2026, 1,307 institutional holdings reports listed shares worth $70.60 billion.
Insiders reported 100 transactions in the last two years: 73 sales worth $81.45 million and no purchases. The newest one on file is from May 1, 2026 (Smith Gary Brian, Chief Executive Officer).
Major holders as of September 25, 2026; quarterly totals from institutional holdings reports (latest Q2 2026); insider transactions on file through May 1, 2026.
Ciena Corporation
Shareholders Summary
2026Q2
Ownership by Type
Geographic Distribution
Largest Ciena shareholders
| Holder | Shares | % of company | Value |
|---|---|---|---|
| Fidelity Management & Research Co. LLC | 19.1 million | 13.50% | $7.3B |
| JPMorgan Investment Management, Inc. | 11.2 million | 7.92% | $4.3B |
| BlackRock Advisors LLC | 9.7 million | 6.83% | $3.7B |
| Vanguard Capital Management LLC | 9.2 million | 6.52% | $3.5B |
| Vanguard Portfolio Management LLC | 7.7 million | 5.43% | $2.9B |
| State Street Corporation | 6.7 million | 4.72% | $2.6B |
| T. Rowe Price International Ltd. | 4.1 million | 2.88% | $1.6B |
| Geode Capital Management LLC | 3.4 million | 2.38% | $1.3B |
| BlackRock Life Ltd. | 2.4 million | 1.69% | $916.0M |
| American Century Cos., Inc. | 1.9 million | 1.31% | $709.0M |
As of September 25, 2026.
Ciena institutional holdings by quarter
| Quarter | Reports | Shares | Value |
|---|---|---|---|
| Q2 2026 | 1,307 | – | $70.6B |
| Q1 2026 | 1,137 | 134.0 million | $51.8B |
| Q4 2025 | 900 | – | $32.2B |
| Q3 2025 | 733 | 146.0 million | $21.2B |
| Q2 2025 | 603 | 141.0 million | $11.5B |
| Q1 2025 | 592 | 136.0 million | $8.3B |
| Q4 2024 | 574 | 141.0 million | $11.9B |
| Q3 2024 | 499 | 143.0 million | $8.8B |
Shares and value held by institutions that file quarterly holdings reports (options not included).
Ciena insider trades
| Insider | Date | Title | Transaction | Value |
|---|---|---|---|---|
| Smith Gary Brian | May 1, 2026 | Chief Executive Officer | Sale at price 537.74 per share. | $1.6M |
| Smith Gary Brian | Apr 15, 2026 | Chief Executive Officer | Sale at price 467.47 per share. | $1.4M |
| Rothenstein David M. | Apr 15, 2026 | Officer | Sale at price 467.65 per share. | $1.2M |
| Gage Brodie | Apr 15, 2026 | Officer | Sale at price 471.79 per share. | $566,148 |
| Diperna Dino | Apr 15, 2026 | Officer | Sale at price 471.79 per share. | $1.3M |
| Smith Gary Brian | Apr 1, 2026 | Chief Executive Officer | Sale at price 415.51 per share. | $1.2M |
| Kosaraju Sheela | Apr 1, 2026 | General Counsel | Sale at price 401.71 per share. | $808,241 |
| Phipps Jason | Apr 1, 2026 | Officer | Sale at price 401.58 - 417.07 per share. | $9.0M |
| Cumello Joseph Ronald | Mar 27, 2026 | Officer | Sale at price 394.82 per share. | $700,016 |
| Olsen Joanne Beth | Mar 26, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Gallagher Patrick T. | Mar 26, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Nevens Thomas Michael | Mar 26, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
Newest 12 of 100 insider transactions in the last two years.
Questions and answers
Who owns the most Ciena stock?
Fidelity Management & Research Co. LLC, with 13.50% of the company (as of September 25, 2026). Next: JPMorgan Investment Management, Inc. (7.92%) and BlackRock Advisors LLC (6.83%).
How many institutions own Ciena stock?
1,307 institutional holdings reports listed Ciena shares in Q2 2026 worth $70.60 billion.
Are Ciena insiders buying or selling the stock?
In the last two years insiders reported 73 sales and no purchases (100 transactions in all); the newest on file is from May 1, 2026.
