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  • Gurus
  • Event Driven
  • WATER ISLAND CAPITAL LLC (Data extracted from 13F, 13D, 13G and Form 4)

WATER ISLAND CAPITAL LLC

AUM: $1.59 B
13-F Portfolio Value: $793.31 M
Last 13-F Filed: Q3 2025
Concentration in top 10: 37.19%
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Stock Company % Portfolio Shares Held Market Value Change in Shares % Change Quarter End Price Source
AMEDAMEDISYS INC-561,814Exited13F
ANSSANSYS INC-113,285Exited13F
BNTXBIONTECH SE (Call)-4,800Exited13F
BPMCBLUEPRINT MEDICINES CORP-116,631Exited13F
BRDGBRIDGE INVT GROUP HLDGS INC-80,349Exited13F
BRKLBROOKLINE BANCORP INC DEL-84,076Exited13F
CVXCHEVRON CORP NEW (Call)-280,300Exited13F
BASECOUCHBASE INC-363,000Exited13F
DANDANA INC (Put)-25,000Exited13F
DKSDICKS SPORTING GOODS INC (Call)-12,700Exited13F
DNBDUN & BRADSTREET HLDGS INC-3,147,738Exited13F
ETWOE2OPEN PARENT HOLDINGS INC-3,185,939Exited13F
EVRIEVERI HLDGS INC (Put)-42,000Exited13F
FAROFARO TECHNOLOGIES INC-383,836Exited13F
FLFOOT LOCKER INC-777,436Exited13F
FLFOOT LOCKER INC (Put)-178,000Exited13F
FYBRFRONTIER COMMUNICATIONS PARE-109,783Exited13F
GMSGMS INC-88,627Exited13F
GMSGMS INC (Call)-81,300Exited13F
HRIHERC HLDGS INC-2,605Exited13F
HESHESS CORP-260,459Exited13F
INFAINFORMATICA INC (Call)-366,600Exited13F
INZYINOZYME PHARMA INC-201,776Exited13F
LQDISHARES TR (Put)-50,000Exited13F
JNPRJUNIPER NETWORKS INC-928,961Exited13F
KKELLANOVA-53,318Exited13F
PPBIPACIFIC PREMIER BANCORP-532,149Exited13F
RKTROCKET COS INC-46,367Exited13F
RDUSRADIUS RECYCLING INC-94,670Exited13F
STRSITIO ROYALTIES CORP-333,703Exited13F
SKXSKECHERS U S A INC-426,562Exited13F
SKXSKECHERS U S A INC (Call)-139,000Exited13F
SKXSKECHERS U S A INC (Put)-286,100Exited13F
SSBKSOUTHERN STS BANCSHARES INC-7,204Exited13F
SPTNSPARTANNASH CO-302,396Exited13F
SWTXSPRINGWORKS THERAPEUTICS INC-703,525Exited13F
SWTXSPRINGWORKS THERAPEUTICS INC (Put)-189,900Exited13F
SGRYSURGERY PARTNERS INC (Call)-10,000Exited13F
TGITRIUMPH GROUP INC NEW-220,294Exited13F
VERVVERVE THERAPEUTICS INC-335,593Exited13F
VERVVERVE THERAPEUTICS INC (Put)-336,000Exited13F
PARAPARAMOUNT GLOBAL-567,122Exited13F
PARAPARAMOUNT GLOBAL (Put)-185,200Exited13F
VIGLVIGIL NEUROSCIENCE INC-207,667Exited13F
WBAWALGREENS BOOTS ALLIANCE INC-593,196Exited13F
WBAWALGREENS BOOTS ALLIANCE INC (Call)-644,300Exited13F
WBAWALGREENS BOOTS ALLIANCE INC (Put)-820,000Exited13F
WTWISDOMTREE INC (PRN)-1,500,000Exited13F
ESGRENSTAR GROUP LIMITED-53,653Exited13F
GBGLOBAL BLUE GROUP HOLDING AG-92,725Exited13F