WATER ISLAND CAPITAL LLC
Q3 2025 13F-HR Holdings
Net value change ($000)
+91,326
(13.0%)
New positions
45
Sold out positions
32
Turnover %
148.5%
Sector allocation + QoQ delta (equities-only)
Snapshot: Change Analysis
Compared to Q2 2025
Methodology:
sector metrics are equities-only;
instrument mix chart is ex-options;
options exposure is shown separately.
Why this matters.
Top Adds (Value $000, Stocks/ETFs)
| CYBR | 41,454 | NEW |
| NSC | 37,791 | NEW |
| VRNA | 30,965 | NEW |
| VBTX | 27,350 | NEW |
| GTLS | 25,453 | NEW |
| TGNA | 24,874 | NEW |
| VTY | 24,360 | NEW |
| PBPB | 23,031 | NEW |
| AHL | 22,769 | NEW |
| WNS | 22,579 | NEW |
Top Reduces (Value $000, Stocks/ETFs)
| ADY | -55,277 | -100.0% |
| AKX | -39,788 | -100.0% |
| JNP | -37,093 | -100.0% |
| AHC | -36,084 | -100.0% |
| SpringWorks Therapeutics, Inc. | -33,059 | -100.0% |
| DNB | -28,613 | -100.0% |
| SKAA | -26,916 | -100.0% |
| WOO | -19,047 | -100.0% |
| Enstar Group LTD | -18,047 | -100.0% |
| FARO TECHNOLOGIES INC | -16,858 | -100.0% |
Instrument mix + QoQ Δ (ex-options)
Derivatives reported exposure ($000):
95,073
(12.0% of total reported value)
How this table is calculated:
SEC
VALUE ($000) is used as reported.
For derivatives (PUT/CALL/WARRANT/RIGHT), SEC value represents reported underlying exposure, not premium cash paid/received.
Column % is bucket-based:
non-options share is calculated inside non-option total, options share is calculated inside options total.
Details.
Filter:
Instrument:
| Issuer Name | Ticker | Sector | Industry | Class | History | Value ($000) | % | Shares | Shares Δ | Shares Δ% | Value Δ ($000) | Value Δ% | Principal | Option Type |
|---|