CIEN fund manager activity
Ciena Corporation · NYSE. Reported by 12 tracked fund managers in their 13F filings, Q3 2014 to Q2 2026.
Q4 2025
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|
| Gavin Baker - Atreides Management | Added | 1,428,230 | $334,020,150 | 7.09% | Feb 17, 2026 |
| First Eagle Investment Management | Trimmed | 40,900 | $9,565,283 | 0.02% | Feb 4, 2026 |
| Joel Greenblatt - Gotham Asset Management | Trimmed | 136,304 | $31,877,416 | 0.12% | Feb 17, 2026 |
| Stephen Mandel - Lone Pine Capital | Sold out | — | — | 0.00% | Feb 17, 2026 |
| Mairs & Power Funds | No change | 3,000 | $701,610 | 0.01% | Feb 17, 2026 |
| Alex Sacerdote - Whale Rock Capital Management | Trimmed | 893,483 | $208,958,869 | 2.67% | Feb 17, 2026 |
Q3 2025
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|
| Gavin Baker - Atreides Management | Added | 1,400,764 | $204,049,292 | 5.30% | Nov 14, 2025 |
| First Eagle Investment Management | Trimmed | 67,400 | $9,818,158 | 0.02% | Nov 12, 2025 |
| Joel Greenblatt - Gotham Asset Management | Added | 179,127 | $26,093,430 | 0.11% | Nov 14, 2025 |
| Stephen Mandel - Lone Pine Capital | New | 2,006,662 | $292,310,454 | 2.13% | Nov 14, 2025 |
| Mairs & Power Funds | Trimmed | 3,000 | $437,010 | 0.00% | Nov 14, 2025 |
| Lee Ainslie - Maverick Capital | Sold out | — | — | 0.00% | Nov 14, 2025 |
| Alex Sacerdote - Whale Rock Capital Management | Added | 1,337,800 | $194,877,326 | 2.29% | Nov 14, 2025 |
Newer quarters · Older quarters