Ciena
CIEN
CIEN
681 hedge funds and large institutions have $20.3B invested in Ciena in 2025 Q3 according to their latest regulatory filings, with 179 funds opening new positions, 175 increasing their positions, 258 reducing their positions, and 49 closing their positions.
New
Increased
Maintained
Reduced
Closed
more first-time investments, than exits
New positions opened: | Existing positions closed:
more call options, than puts
Call options by funds: $ | Put options by funds: $
more funds holding in top 10
Funds holding in top 10: →
more capital invested
Capital invested by funds: $ → $
21% more funds holding
Funds holding: 562 → 681 (+119)
1.11% less ownership
Funds ownership: 99.77% → 98.65% (-1.1%)
32% less repeat investments, than reductions
Existing positions increased: 175 | Existing positions reduced: 258
Holders
681
Holding in Top 10
16
Calls
$419M
Puts
$220M
Top Buyers
| 1 | +$347M | |
| 2 | +$292M | |
| 3 | +$178M | |
| 4 |
Arrowstreet Capital
Boston,
Massachusetts
|
+$159M |
| 5 |
Citadel Advisors
Miami,
Florida
|
+$157M |
Top Sellers
| 1 | -$317M | |
| 2 | -$305M | |
| 3 | -$214M | |
| 4 |
IAM
Ion Asset Management
Herzliya,
Israel
|
-$146M |
| 5 |
SM
Senvest Management
New York
|
-$115M |