Universe · entity

WATER ISLAND CAPITAL LLC

Institutional manager (13F) · CIK 1222765
13F holdings · as of 2026-03-31 · top 50 · reported portfolio $724M
#IssuerValueShares
1ELECTRONIC ARTS INC$51M249,888
2JANUS HENDERSON GROUP PLC$47M922,277
3WARNER BROS DISCOVERY INC$44M1,617,020
4HOLOGIC INC$42M560,045
5TXNM ENERGY INC$39M674,867
6PENUMBRA INC$39M120,095
7CHART INDS INC$39M189,939
8NORFOLK SOUTHN CORP$38M134,051
9MASIMO CORP$35M194,197
10WEBSTER FINL CORP$29M415,823
11TRI POINTE HOMES INC$25M536,367
12NATIONAL STORAGE AFFILIATES$22M576,224
13GREAT LAKES DREDGE & DOCK CO$21M1,263,580
14ARCELLX INC$21M183,409
15DAY ONE BIOPHARMACEUTICALS I$20M944,247
16DIGITALBRIDGE GROUP INC$20M1,299,051
17STELLAR BANCORP INC$16M431,231
18ENHABIT INC$14M984,611
19SILICON LABORATORIES INC$12M58,417
20KENVUE INC$12M700,600
21VERIS RESIDENTIAL INC$11M597,390
22PEAKSTONE REALTY TRUST$11M503,583
23TERNS PHARMACEUTICALS INC$10M188,500
24KENNEDY-WILSON HOLDINGS INC$9M825,652
25ZIM INTEGRATED SHIPPING SERV$9M331,800
26TXNM ENERGY INC$8M6,000,000
27UNIFIRST CORP MASS$6M25,743
28CSG SYS INTL INC$6M5,000,000
29AXALTA COATING SYS LTD$6M206,902
30RAPID7 INC$5M5,501,530
31APELLIS PHARMACEUTICALS INC$5M120,500
32AIR LEASE CORP$5M73,131
33BENTLEY SYS INC$5M5,000,000
34NUTANIX INC$5M5,000,000
35REDFIN CORP$4M4,500,000
36HALOZYME THERAPEUTICS INC$3M3,000,000
37AES CORP$3M185,833
38VARONIS SYS INC$3M3,000,000
39CLEARWATER ANALYTICS HLDGS I$3M109,589
40SEALED AIR CORP NEW$2M56,071
41ALLIED GOLD CORP$2M72,785
42ONESTREAM INC$2M91,120
43BRIGHTHOUSE FINL INC$2M33,490
44NCR ATLEOS CORPORATION$2M38,939
45SELECT MED HLDGS CORP$2M103,467
46THERMON GROUP HLDGS INC$2M32,987
47SUN CTRY AIRLS HLDGS INC$2M98,859
48CENTESSA PHARMACEUTICALS PLC$2M41,000
49CSG SYS INTL INC$2M20,223
50SEMRUSH HLDGS INC$2M133,872
All filings on EDGAR ↗

Source: sec_edgar_13f · public regulatory · retrieved 2026-06-29. Public SEC data; no contact information.