Ciena
CIEN
563 hedge funds and large institutions have $11.5B invested in Ciena in 2025 Q2 according to their latest regulatory filings, with 104 funds opening new positions, 200 increasing their positions, 179 reducing their positions, and 81 closing their positions.
52% more call options, than puts
Call options by funds: $184M | Put options by funds: $121M
50% more funds holding in top 10
Funds holding in top 10: 6 → 9 (+3)
39% more capital invested
Capital invested by funds: $8.24B → $11.5B (+$3.22B)
28% more first-time investments, than exits
New positions opened: 104 | Existing positions closed: 81
12% more repeat investments, than reductions
Existing positions increased: 200 | Existing positions reduced: 179
3.71% more ownership
Funds ownership: 95.92% → 99.63% (+3.7%)
3% more funds holding
Funds holding: 544 → 563 (+19)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
JCAM
Jericho Capital Asset Management
New York
|
+$95.8M |
| 2 |
AM
Atreides Management
Boston,
Massachusetts
|
+$90.6M |
| 3 |
Balyasny Asset Management
Chicago,
Illinois
|
+$72M |
| 4 |
VNIM
Vaughan Nelson Investment Management
Houston,
Texas
|
+$70M |
| 5 |
RCMU
Rokos Capital Management (UK)
London,
United Kingdom
|
+$60.5M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Thrivent Financial for Lutherans
Minneapolis,
Minnesota
|
-$92.1M |
| 2 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$65.1M |
| 3 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
-$51.4M |
| 4 |
UBS Group
Zurich,
Switzerland
|
-$39.3M |
| 5 |
Alyeska Investment Group
Chicago,
Illinois
|
-$36.1M |
CIEN Hedge Fund Activity: Q2 2025 in Review
563 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Ciena (CIEN) for Q2 2025, worth a combined $11.5B — up 39% from $8.24B a quarter earlier.
Buyers outnumbered sellers: 104 funds opened new CIEN positions and 81 closed out — a net gain of 23 holders — while 200 added to existing stakes and 179 trimmed.
The largest buyer was Jericho Capital Asset Management, opening a new position worth an estimated $95.8M. The largest seller was Thrivent Financial for Lutherans, cutting an estimated $92.1M.
- 563 institutional investors held Ciena (CIEN) as of Q2 2025, up from 544 in Q1 2025.
- Funds reported $11.5B of Ciena stock for Q2 2025, up 39% quarter-over-quarter.
- 104 funds opened new Ciena positions in Q2 2025 and 81 closed out, a net change of +23 holders.
- The largest Ciena buyer in Q2 2025 was Jericho Capital Asset Management, an estimated $95.8M added.
- The largest Ciena seller in Q2 2025 was Thrivent Financial for Lutherans, an estimated $92.1M sold.
Based on aggregated 13F filings for Q2 2025.