Who owns CIEN
1,042 institutions reported holding CIEN for 2026Q1, together 91% of the company, more than the 830 a quarter earlier.
1,042
Institutions reporting a position · as of 2026Q1 · up from 830 the quarter before
- Shares held by institutions
- 133.9M
Shares held by institutions · 91% of the company · long US equity positions only, as reported on Form 13F
- Reported value
- $51.6B
Reported value · at 2026-03-31 prices, not today's
- Top 5 holders
- 47%
Top 5 holders · of the whole company, between five filers
Details›
- Reporting quarter2026-03-31
- 2026Q1
- Quarters on record
- 52
- New positions
- 292
- Positions exited
- 90
- Added to
- 295
- Reduced
- 349
- Top 10 holdersof the company
- 58%
| Quarter | Filers | Shares | Reported value |
|---|---|---|---|
| 2026Q1 | 1,042 | 133.9M | $51.6B |
| 2025Q4 | 830 | 151.6M | $32.1B |
| 2025Q3 | 677 | 138.4M | $20.2B |
| 2025Q2 | 555 | 140.0M | $11.4B |
| 2025Q1 | 536 | 135.5M | $8.19B |
| 2024Q4 | 527 | 139.3M | $11.8B |
| 2024Q3 | 460 | 141.5M | $8.72B |
| 2024Q2 | 451 | 139.4M | $6.72B |
| 2024Q1 | 465 | 137.2M | $6.78B |
| 2023Q4 | 449 | 133.8M | $6.03B |
| 2023Q3 | 465 | 134.7M | $6.36B |
| 2023Q2 | 466 | 137.5M | $5.84B |
| 2023Q1 | 482 | 138.6M | $7.28B |
| 2022Q4 | 460 | 139.4M | $7.11B |
| 2022Q3 | 422 | 144.3M | $5.84B |
| 2022Q2 | 453 | 137.3M | $6.18B |
| Holder | Shares | % of company | Value |
|---|---|---|---|
| FMR LLC | 21.2M | 14% | $8.23B |
| VANGUARD GROUP INC | 18.0M | 12% | $6.98B |
| BlackRock Inc. | 13.4M | 9.1% | $5.19B |
| JPMORGAN CHASE & CO | 10.2M | 7.0% | $3.73B |
| STATE STREET CORP | 6.3M | 4.3% | $2.45B |
| PRICE T ROWE ASSOCIATES INC /MD/ | 5.2M | 3.6% | $2.04B |
| GEODE CAPITAL MANAGEMENT LLC | 4.1M | 2.8% | $1.58B |
| Capital Research Global Investors | 2.8M | 1.9% | $1.07B |
| BANK OF AMERICA CORP /DE/ | 2.0M | 1.3% | $759M |
| Capital World Investors | 1.7M | 1.2% | $670M |
SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.
reading the register…
Communication Equipment
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