§ 13F · FUND PROFILE
WATER ISLAND CAPITAL LLC.
Institutional filer · behavioral pattern: Other. Summary pending.
AUM · $793.3T (13F)Positions · 84Turnover · — · Q4Filed · Feb 17, 2026
CONCENTRATION
—
Top 10 holdings
NEW BUYS
0
+$587.6T deployed
EXITS
0
No exits
SECTOR SHIFT
—
No prior quarter data
3YR HIT RATE
—
Top-5 overlap
§ 01 · TOP HOLDINGS
The book · Q4 2025
FILED FEB 17, 2026
| # | Ticker | Name | Shares | $ value | % port | Δ Q4 |
|---|---|---|---|---|---|---|
| 1 | GTLS | Chart Industries Inc | 188K | $38.8T | 4.2% | +48% |
| 2 | CYBR | CyberArk Software Ltd | 87K | $38.7T | 4.2% | +1% |
| 3 | NSC | Norfolk Southern Corp | 129K | $37.3T | 4.0% | +3% |
| 4 | EA | Electronic Arts Inc | 181K | $37.0T | 4.0% | +104% |
| 5 | EXK | Exact Sciences Corp | 350K | $35.5T | 3.8% | NEW |
| 6 | HOLX | Hologic Inc | 468K | $34.8T | 3.8% | NEW |
| 7 | CMA | Comerica Inc | 398K | $34.6T | 3.7% | NEW |
| 8 | TXNM | TXNM Energy Inc | 576K | $33.9T | 3.7% | +28% |
| 9 | CDTX | Cidara Therapeutics Inc | 151K | $33.3T | 3.6% | NEW |
| 10 | WBD | Warner Bros Discovery Inc | 1.14M | $32.8T | 3.5% | NEW |
§ 02 · SECTOR ALLOCATION
Where the money is
Sector data pending
§ 03 · THE WATER SIGNAL
AC read
WATER ISLAND CAPITAL LLC is a Other fund managing $793313.1 trillion in assets. The fund runs a portfolio of 84 positions.
Read the full dossier →§ 04 · FILING HISTORY
Q-by-Q deltas
2 FILINGS
Q4 2025
Steady book
+0 buys · −0 exits · 0 changed
Q3 2025
Steady book
+0 buys · −0 exits · 0 changed