Institutions / WATER ISLAND CAPITAL LLC / Holdings

Water Island Capital LLC

All holdings · as of Mar 31, 2026

Company	Class	Value	Shares	% of portfolio
ELECTRONIC ARTS INC.	—	$50.94M	249,888	6.8%
JANUS HENDERSON GROUP PLC	—	$47.38M	922,277	6.3%
Warner Bros. Discovery, Inc.	—	$44.40M	1,617,020	5.9%
HOLOGIC INC	—	$42.33M	560,045	5.6%
Helix Acquisition Corp. III	—	$39.45M	674,867	5.3%
Penumbra Inc	—	$39.44M	120,095	5.3%
CHART INDUSTRIES INC	—	$39.27M	189,939	5.2%
NORFOLK SOUTHERN CORP	—	$38.47M	134,051	5.1%
Masimo Corporation	—	$34.54M	194,197	4.6%
WEBSTER FINANCIAL CORP	—	$28.87M	415,823	3.8%
Tri Pointe Homes, Inc.	—	$25.06M	536,367	3.3%
National Storage Affiliates Trust	—	$21.75M	576,224	2.9%
Great Lakes Dredge & Dock Corp	—	$21.48M	1,263,580	2.9%
Arcellx, Inc.	—	$21.06M	183,409	2.8%
Day One Biopharmaceuticals, Inc.	—	$20.24M	944,247	2.7%
DigitalBridge Group, Inc.	—	$20.03M	1,299,051	2.7%
Stellar Bancorp, Inc.	—	$15.79M	431,231	2.1%
Enhabit, Inc.	—	$13.87M	984,611	1.8%
Silicon Laboratories Inc	—	$12.16M	58,417	1.6%
Kenvue Inc.	—	$12.08M	700,600	1.6%
Veris Residential, Inc.	—	$11.27M	597,390	1.5%
Peakstone Realty Trust	—	$10.52M	503,583	1.4%
Terns Pharmaceuticals, Inc.	—	$9.94M	188,500	1.3%
Kennedy-Wilson Holdings, Inc.	—	$8.93M	825,652	1.2%
ZIM INTEGRATED SHIPPING SERV	—	$8.74M	331,800	1.2%
TXNM ENERGY INC	—	$8.10M	6,000,000	1.1%
UNIFIRST CORP	—	$6.48M	25,743	0.9%
CSG SYS INTL INC	—	$6.09M	5,000,000	0.8%
Axalta Coating Systems Ltd	—	$5.73M	206,902	0.8%
RAPID7 INC	—	$4.86M	5,501,530	0.6%
Apellis Pharmaceuticals, Inc.	—	$4.85M	120,500	0.6%
SUMISHO AIR LEASE CORP	—	$4.75M	73,131	0.6%
BENTLEY SYS INC	—	$4.75M	5,000,000	0.6%
NUTANIX INC	—	$4.51M	5,000,000	0.6%
REDFIN CORP	—	$4.30M	4,500,000	0.6%
HALOZYME THERAPEUTICS INC	—	$3.11M	3,000,000	0.4%
AES CORP	—	$2.62M	185,833	0.3%
VARONIS SYS INC	—	$2.61M	3,000,000	0.3%
Clearwater Analytics Holdings, Inc.	—	$2.59M	109,589	0.3%
Sealed Air Corp	—	$2.36M	56,071	0.3%
ALLIED GOLD CORP	—	$2.26M	72,785	0.3%
ONESTREAM, INC.	—	$2.19M	91,120	0.3%
Brighthouse Financial, Inc.	—	$2.01M	33,490	0.3%
NCR Atleos Corp	—	$1.70M	38,939	0.2%
Select Medical Holdings Corp	—	$1.69M	103,467	0.2%
Thermon Group Holdings, Inc.	—	$1.66M	32,987	0.2%
Sun Country Airlines Holdings, LLC	—	$1.63M	98,859	0.2%
CENTESSA PHARMACEUTICALS PLC	—	$1.63M	41,000	0.2%
CSG Systems International Inc	—	$1.62M	20,223	0.2%
SEMrush Holdings, Inc.	—	$1.60M	133,872	0.2%