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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: $895.64 M
Last 13-F Filed: Q1 2026
Concentration in top 10: 45.42%
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Stock Company % Portfolio Shares Held Market Value Change in Shares % Change Quarter End Price Source
CSGSCSG SYS INTL INC (PRN)0.68%5,000,000$6,091,111No Change$1.2213F
RPDRAPID7 INC (PRN)0.54%5,501,530$4,863,227No Change$0.8813F
BSYBENTLEY SYS INC (PRN)0.53%5,000,000$4,747,188No Change$0.9513F
RDFNREDFIN CORP (PRN)0.48%4,500,000$4,304,250No Change$0.9613F
HALOHALOZYME THERAPEUTICS INC (PRN)0.35%3,000,000$3,111,250No Change$1.0413F
VRNSVARONIS SYS INC (PRN)0.29%3,000,000$2,614,696No Change$0.8713F