FMR LLC / FidelityReduced
- Quarter
- Jun 30, 2026
- Shares held
- 19,113,538
- Share change
- -2,096,218
- Value change
- +$1.14B
SEC FORM 13F
CIENA CORP (CIEN) institutional 13F changes
Institutional holding changes reported on SEC Form 13F, classified as new, added, reduced or sold out, with a direct filing source for every row.
Last updated: 08/13/2026, 08:05 PM UTCAll CIEN stock data
- Recent 13F changes
- 12
- Institutions
- 12
- Bought / reduced
- 7 / 5
- Latest report period
- Jun 30, 2026
Institutional 13F changes
Newest filings first| Quarter | Institution | Type | Shares held | Share change | Value change | Source |
|---|---|---|---|---|---|---|
| Jun 30, 2026 | FMR LLC / Fidelity | Reduced | 19,113,538 | -2,096,218 | +$1.14B | SEC 13F ↗ |
| Jun 30, 2026 | BlackRock, Inc. | Reduced | 12,718,494 | -655,293 | +$1.05B | SEC 13F ↗ |
| Jun 30, 2026 | JPMorgan Chase & Co. | New position | 11,206,209 | +979,560 | +$1.63B | SEC 13F ↗ |
| Jun 30, 2026 | Vanguard Capital Management LLC | Added | 9,233,803 | +64,448 | +$969.92M | SEC 13F ↗ |
| Jun 30, 2026 | Vanguard Portfolio Management LLC | Added | 7,680,665 | +311,541 | +$906.91M | SEC 13F ↗ |
| Jun 30, 2026 | State Street Corp | Added | 6,680,578 | +371,528 | +$827.86M | SEC 13F ↗ |
| Jun 30, 2026 | Geode Capital Management, LLC | Reduced | 3,370,462 | -695,097 | +$71.4M | SEC 13F ↗ |
| Mar 31, 2026 | Capital Research Global Investors | New position | 2,750,050 | +2,750,050 | +$1.07B | SEC 13F ↗ |
| Mar 31, 2026 | Bank of America Corp. | Reduced | 1,954,632 | -209,966 | -$81.52M | SEC 13F ↗ |
| Mar 31, 2026 | Capital World Investors | Reduced | 1,724,807 | -143,890 | -$55.86M | SEC 13F ↗ |
| Mar 31, 2026 | Morgan Stanley | Added | 1,561,554 | +175,969 | +$68.32M | SEC 13F ↗ |
| Mar 31, 2026 | Invesco Ltd. | Added | 1,530,293 | +12,145 | +$4.72M | SEC 13F ↗ |
BlackRock, Inc.Reduced
- Quarter
- Jun 30, 2026
- Shares held
- 12,718,494
- Share change
- -655,293
- Value change
- +$1.05B
JPMorgan Chase & Co.New position
- Quarter
- Jun 30, 2026
- Shares held
- 11,206,209
- Share change
- +979,560
- Value change
- +$1.63B
- Quarter
- Jun 30, 2026
- Shares held
- 9,233,803
- Share change
- +64,448
- Value change
- +$969.92M
- Quarter
- Jun 30, 2026
- Shares held
- 7,680,665
- Share change
- +311,541
- Value change
- +$906.91M
State Street CorpAdded
- Quarter
- Jun 30, 2026
- Shares held
- 6,680,578
- Share change
- +371,528
- Value change
- +$827.86M
- Quarter
- Jun 30, 2026
- Shares held
- 3,370,462
- Share change
- -695,097
- Value change
- +$71.4M
Capital Research Global InvestorsNew position
- Quarter
- Mar 31, 2026
- Shares held
- 2,750,050
- Share change
- +2,750,050
- Value change
- +$1.07B
Bank of America Corp.Reduced
- Quarter
- Mar 31, 2026
- Shares held
- 1,954,632
- Share change
- -209,966
- Value change
- -$81.52M
Capital World InvestorsReduced
- Quarter
- Mar 31, 2026
- Shares held
- 1,724,807
- Share change
- -143,890
- Value change
- -$55.86M
Morgan StanleyAdded
- Quarter
- Mar 31, 2026
- Shares held
- 1,561,554
- Share change
- +175,969
- Value change
- +$68.32M
Invesco Ltd.Added
- Quarter
- Mar 31, 2026
- Shares held
- 1,530,293
- Share change
- +12,145
- Value change
- +$4.72M
How to read this dataset
Form 13F is filed after quarter end and can lag current holdings. Share counts may be derived from reported value and filing price; derived values are identified as calculations.