Terminal · Institutions
Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.
Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.
WATER ISLAND CAPITAL LLC (CIK 1222765) reported $895.6M across 84 reported positions in its SEC 13F filing for 2026-03-31. Largest positions: EA ($50.9M, 5.69%), JHG ($47.4M, 5.29%), WBD ($44.4M, 4.96%), HOLX ($42.3M, 4.73%), PNM ($39.5M, 4.40%). Source: SEC Form 13F.
| Rank | Ticker | Company | Value | % Portfolio | Shares | Action |
|---|---|---|---|---|---|---|
| 1 | EA | ELECTRONIC ARTS INC | $50.9M | 5.69% | 249,888 | Added |
| 2 | JHG | JANUS HENDERSON GROUP PLC | $47.4M | 5.29% | 922,277 | Added |
| 3 | WBD | WARNER BROS DISCOVERY INC | $44.4M | 4.96% | 1.6M | Added |
| 4 | HOLX | HOLOGIC INC | $42.3M | 4.73% | 560,045 | Added |
| 5 | PNM | TXNM ENERGY INC | $39.5M | 4.40% | 674,867 | Added |
| 6 | PEN | PENUMBRA INC | $39.4M | 4.40% | 120,095 | New |
| 7 | GTLS | CHART INDS INC | $39.3M | 4.38% | 189,939 | Added |
| 8 | NSC | NORFOLK SOUTHN CORP | $38.5M | 4.30% | 134,051 | Added |
| 9 | MASI | MASIMO CORP | $34.5M | 3.86% | 194,197 | New |
| 10 | EA | ELECTRONIC ARTS INC | $30.5M | 3.41% | 149,800 | New |
| 11 | WBS | WEBSTER FINL CORP | $28.9M | 3.22% | 415,823 | New |
| 12 | WBD | WARNER BROS DISCOVERY INC | $28.8M | 3.22% | 1.0M | Added |
| 13 | TPH | TRI POINTE HOMES INC | $25.1M | 2.80% | 536,367 | New |
| 14 | NSA | NATIONAL STORAGE AFFILIATES | $21.7M | 2.43% | 576,224 | New |
| 15 | GLDD | GREAT LAKES DREDGE & DOCK CO | $21.5M | 2.40% | 1.3M | New |
| 16 | ACLX | ARCELLX INC | $21.1M | 2.35% | 183,409 | New |
| 17 | DAWN | DAY ONE BIOPHARMACEUTICALS I | $20.2M | 2.26% | 944,247 | New |
| 18 | DBRG | DIGITALBRIDGE GROUP INC | $20.0M | 2.24% | 1.3M | Added |
| 19 | DAWN | DAY ONE BIOPHARMACEUTICALS I | $18.0M | 2.01% | 839,700 | New |
| 20 | STEL | STELLAR BANCORP INC | $15.8M | 1.76% | 431,231 | New |
| 21 | EHAB | ENHABIT INC | $13.9M | 1.55% | 984,611 | New |
| 22 | SLAB | SILICON LABORATORIES INC | $12.2M | 1.36% | 58,417 | New |
| 23 | KVUE | KENVUE INC | $12.1M | 1.35% | 700,600 | Added |
| 24 | KVUE | KENVUE INC | $12.1M | 1.35% | 700,600 | Added |
| 25 | VRE | VERIS RESIDENTIAL INC | $11.3M | 1.26% | 597,390 | New |
Source: SEC Form 13F filings · as of 2026-03-31