Ciena
CIEN
1,217 hedge funds and large institutions have $64.4B invested in Ciena in 2026 Q2 according to their latest regulatory filings, with 257 funds opening new positions, 467 increasing their positions, 385 reducing their positions, and 106 closing their positions.
142% more first-time investments, than exits
New positions opened: 257 | Existing positions closed: 106
24% more capital invested
Capital invested by funds: $51.8B → $64.4B (+$12.6B)
21% more repeat investments, than reductions
Existing positions increased: 467 | Existing positions reduced: 385
12% more funds holding
Funds holding: 1,082 → 1,217 (+135)
12% more call options, than puts
Call options by funds: $2.19B | Put options by funds: $1.96B
1.9% less ownership
Funds ownership: 94.99% → 93.09% (-1.9%)
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
1,217 of the 8,279 institutional investors tracked by Wall St. Rank reported a position in Ciena (CIEN) for Q2 2026, worth a combined $64.4B — up 24% from $51.8B a quarter earlier.
Buyers outnumbered sellers: 257 funds opened new CIEN positions and 106 closed out — a net gain of 151 holders — while 467 added to existing stakes and 385 trimmed.
The largest buyer was American Century Companies, adding an estimated $671M. The largest seller was Fidelity Investments, cutting an estimated $1.07B.
- 1,217 institutional investors held Ciena (CIEN) as of Q2 2026, up from 1,082 in Q1 2026.
- Funds reported $64.4B of Ciena stock for Q2 2026, up 24% quarter-over-quarter.
- 257 funds opened new Ciena positions in Q2 2026 and 106 closed out, a net change of +151 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.