WATER ISLAND CAPITAL LLC - Stock Holdings in 13F Filings (SEC)
Updated on March 15, 2026.
Based on 13F Filings filed with the SEC on February 17, 2026, for the 2025 Q4 period, WATER ISLAND CAPITAL LLC held in its portfolio 77 assets valued at $927,601,491 (i.e. $927.60M).
The most valuable assets in the portfolio included: Chart Industries Inc ($38.84M), CyberArk Software Ltd ($38.65M), and Norfolk Southern Corp ($37.26M).
The chart below shows the top 10 valuable assets, and the table below shows the top 77 valuable assets.
You can see similar for other investment managers.
Related Topics: SEC Topic List.
Data Source: SEC.
WATER ISLAND CAPITAL LLC - Stock Holdings in 13F Filings (SEC)
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| Name of Issuer | No. of Shares | Value ($) | Class |
|---|---|---|---|
| Chart Industries Inc | 188325 | 38838264 | Equity |
| CyberArk Software Ltd | 86648 | 38650206 | Equity |
| Norfolk Southern Corp | 129043 | 37257294 | Equity |
| Electronic Arts Inc | 180838 | 36950629 | Equity |
| Exact Sciences Corp | 350009 | 35546914 | Equity |
| Hologic Inc | 467742 | 34842102 | Equity |
| Comerica Inc | 398037 | 34601356 | Equity |
| TXNM Energy Inc | 576411 | 33939079 | Equity |
| Cidara Therapeutics Inc | 150708 | 33289890 | Equity |
| Warner Bros Discovery Inc | 1139634 | 32844252 | Equity |
| Janus Henderson Group PLC | 647485 | 30800861 | Equity |
| Avadel Pharmaceuticals PLC | 1087117 | 23427370 | Equity |
| Sealed Air Corp | 559237 | 23169189 | Equity |
| TEGNA Inc | 1179885 | 22901568 | Equity |
| Aspen Insurance Holdings Ltd | 572685 | 21246613 | Equity |
| Clearwater Analytics Holdings | 875632 | 21120243 | Equity |
| Synovus Financial Corp | 403650 | 20202683 | Equity |
| Confluent Inc | 640113 | 19357018 | Equity |
| Air Lease Corp | 298440 | 19168801 | Equity |
| State Street SPDR S&P 500 ETF | 25000 | 17048000 | Equity Call |
| Cidara Therapeutics Inc | 76900 | 16986441 | Equity Put |
| DigitalBridge Group Inc | 929000 | 14250859 | Equity |
| Teck Resources Ltd | 292100 | 13988669 | Equity Put |
| Jamf Holding Corp | 985069 | 12815748 | Equity |
| Cadence Bank | 297603 | 12749313 | Equity |
| Hillenbrand Inc | 399006 | 12656469 | Equity |
| Plymouth Industrial REIT Inc | 559215 | 12235624 | Equity |
| Avidity Biosciences Inc | 168700 | 12168331 | Equity Put |
| Avidity Biosciences Inc | 168385 | 12145611 | Equity |
| Kenvue Inc | 695000 | 11988750 | Equity Put |
| Kenvue Inc | 690191 | 11905796 | Equity |
| CSG Systems International Inc | 150720 | 11558717 | Equity |
| Amicus Therapeutics Inc | 706617 | 10062225 | Equity |
| Hillenbrand Inc | 315000 | 9991800 | Equity Put |
| Dynavax Technologies Corp | 610261 | 9385814 | Equity |
| Qorvo Inc | 109521 | 9255621 | Equity |
| Forge Global Holdings Inc | 197075 | 8781662 | Equity |
| Astria Therapeutics Inc | 615790 | 8060691 | Equity |
| SEMrush Holdings Inc | 628602 | 7474078 | Equity |
| Axalta Coating Systems Ltd | 205722 | 6646878 | Equity |
| Amicus Therapeutics Inc | 451000 | 6422240 | Equity Call |
| Anywhere Real Estate Inc | 444821 | 6298665 | Equity |
| BOEING CO/THE | 80000 | 5524800 | Convertible Preferred Stock |
| Alexander & Baldwin Inc | 263012 | 5428568 | Equity |
| Hologic Inc | 60600 | 4514094 | Equity Put |
| Eventbrite Inc | 987653 | 4395056 | Equity |
| Kimberly-Clark Corp | 42200 | 4257558 | Equity Call |
| Dayforce Inc | 47453 | 3281849 | Equity |
| Warner Bros Discovery Inc | 94900 | 2735018 | Equity Put |
| TreeHouse Foods Inc | 99421 | 2345342 | Equity |
| Axalta Coating Systems Ltd | 67100 | 2168001 | Equity Put |
| Core Scientific Inc | 143800 | 2093728 | Equity Call |
| Kenvue Inc | 118400 | 2042400 | Equity Call |
| New Gold Inc | 226878 | 1976107 | Equity |
| REV Group Inc | 31261 | 1900981 | Equity |
| Brighthouse Financial Inc | 28841 | 1868608 | Equity |
| STAAR Surgical Co | 67862 | 1566934 | Equity |
| Essential Utilities Inc | 36646 | 1405741 | Equity |
| Cantaloupe Inc | 131794 | 1399652 | Equity |
| International Money Express In | 88476 | 1358991 | Equity |
| Denny's Corp | 213445 | 1327628 | Equity |
| ProAssurance Corp | 46992 | 1135327 | Equity |
| Anywhere Real Estate Inc | 71100 | 1006776 | Equity Call |
| Anywhere Real Estate Inc | 71100 | 1006776 | Equity Put |
| Northwestern Energy Group Inc | 14307 | 923374 | Equity |
| MidWestOne Financial Group Inc | 21980 | 846230 | Equity |
| Udemy Inc | 135922 | 795144 | Equity |
| Olympic Steel Inc | 16293 | 697096 | Equity |
| Soho House & Co Inc | 70756 | 633974 | Equity |
| Janus Henderson Group PLC | 12000 | 570840 | Equity Put |
| City Office REIT Inc | 61498 | 429871 | Equity |
| Diamond Hill Investment Group | 2482 | 420699 | Equity |
| Heritage Commerce Corp | 33924 | 407427 | Equity |
| First Foundation Inc | 65919 | 406061 | Equity |
| TrueCar Inc | 173620 | 392381 | Equity |
| First Savings Financial Group | 8788 | 279986 | Equity |
| Dick's Sporting Goods Inc | 1100 | 217767 | Equity |