Ciena
CIEN
1,226 hedge funds and large institutions have $64.6B invested in Ciena in 2026 Q2 according to their latest regulatory filings, with 260 funds opening new positions, 471 increasing their positions, 386 reducing their positions, and 108 closing their positions.
141% more first-time investments, than exits
New positions opened: 260 | Existing positions closed: 108
25% more capital invested
Capital invested by funds: $51.8B → $64.6B (+$12.8B)
22% more repeat investments, than reductions
Existing positions increased: 471 | Existing positions reduced: 386
13% more funds holding
Funds holding: 1,084 → 1,226 (+142)
12% more call options, than puts
Call options by funds: $2.19B | Put options by funds: $1.96B
1.64% less ownership
Funds ownership: 94.99% → 93.35% (-1.6%)
32% less funds holding in top 10
Funds holding in top 10: 31 → 21 (-10)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
American Century Companies
Kansas City,
Missouri
|
+$671M |
| 2 |
JP Morgan Chase
New York
|
+$500M |
| 3 |
Nuveen
Charlotte,
North Carolina
|
+$279M |
| 4 |
State Street
Boston,
Massachusetts
|
+$189M |
| 5 |
Pictet Asset Management
Carouge,
Switzerland
|
+$181M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
-$1.07B |
| 2 |
Capital Research Global Investors
Los Angeles,
California
|
-$1.07B |
| 3 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$597M |
| 4 |
JCAM
Jericho Capital Asset Management
New York
|
-$558M |
| 5 |
Geode Capital Management
Boston,
Massachusetts
|
-$354M |
CIEN Hedge Fund Activity: Q2 2026 in Review
1,226 of the 8,348 institutional investors tracked by Wall St. Rank reported a position in Ciena (CIEN) for Q2 2026, worth a combined $64.6B — up 25% from $51.8B a quarter earlier.
Buyers outnumbered sellers: 260 funds opened new CIEN positions and 108 closed out — a net gain of 152 holders — while 471 added to existing stakes and 386 trimmed.
The largest buyer was American Century Companies, adding an estimated $671M. The largest seller was Fidelity Investments, cutting an estimated $1.07B.
- 1,226 institutional investors held Ciena (CIEN) as of Q2 2026, up from 1,084 in Q1 2026.
- Funds reported $64.6B of Ciena stock for Q2 2026, up 25% quarter-over-quarter.
- 260 funds opened new Ciena positions in Q2 2026 and 108 closed out, a net change of +152 holders.
- The largest Ciena buyer in Q2 2026 was American Century Companies, an estimated $671M added.
- The largest Ciena seller in Q2 2026 was Fidelity Investments, an estimated $1.07B sold.
Based on aggregated 13F filings for Q2 2026.