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.
Top Valuable Stocks in WATER ISLAND CAPITAL LLC Portfolio
Chart Industries Inc
CyberArk Software Ltd
Norfolk Southern Corp
Electronic Arts Inc
Exact Sciences Corp
Hologic Inc
Comerica Inc
TXNM Energy Inc
Cidara Therapeutics Inc
Warner Bros Discovery Inc
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