Ciena
CIEN
CIEN
562 hedge funds and large institutions have $11.5B invested in Ciena in 2025 Q2 according to their latest regulatory filings, with 105 funds opening new positions, 198 increasing their positions, 179 reducing their positions, and 81 closing their positions.
New
Increased
Maintained
Reduced
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: $ → $
more first-time investments, than exits
New positions opened: | Existing positions closed:
11% more repeat investments, than reductions
Existing positions increased: 198 | Existing positions reduced: 179
3.76% more ownership
Funds ownership: 95.87% → 99.63% (+3.8%)
4% more funds holding
Funds holding: 542 → 562 (+20)
Holders
562
Holding in Top 10
9
Calls
$184M
Puts
$121M
Top Buyers
| 1 | +$95.8M | |
| 2 | +$90.6M | |
| 3 | +$72M | |
| 4 |
VNIM
Vaughan Nelson Investment Management
Houston,
Texas
|
+$70M |
| 5 |
RCMU
Rokos Capital Management (UK)
London,
United Kingdom
|
+$60.5M |
Top Sellers
| 1 | -$92.1M | |
| 2 | -$65.1M | |
| 3 | -$51.4M | |
| 4 |
UBS Group
Zurich,
Switzerland
|
-$39.3M |
| 5 |
Alyeska Investment Group
Chicago,
Illinois
|
-$36.1M |