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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: $1.08 B
Last 13-F Filed: Q2 2026
Concentration in top 10: 42.99%
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Stock Company % Portfolio Shares Held Market Value Change in Shares % Change Quarter End Price Source
TMHCTAYLOR MORRISON HOME CORP4.85%727,492$52,190,277727,492New$71.7413F
SPYSTATE STR SPDR S&P 500 ETF T (Call)3.13%45,000$33,604,65045,000New$746.7713F
RAMPLIVERAMP HLDGS INC2.82%805,327$30,312,508805,327New$37.6413F
CPRXCATALYST PHARMACEUTICALS INC2.73%933,819$29,349,931933,819New$31.4313F
DDOMINION ENERGY INC2.42%381,231$26,034,265381,231New$68.2913F
ACAARCOSA INC2.35%173,589$25,220,746173,589New$145.2913F
TECHBIO-TECHNE CORP2.21%335,727$23,719,113335,727New$70.6513F
WSRWHITESTONE REIT2.17%1,227,709$23,277,3631,227,709New$18.9613F
ROKUROKU INC2.12%164,890$22,777,905164,890New$138.1413F
BLDTOPBUILD COR2.03%51,251$21,840,92651,251New$426.1613F
AVNSAVANOS MED INC1.85%799,002$19,879,170799,002New$24.8813F
SILASILA REALTY TRUST INC1.76%623,872$18,940,753623,872New$30.3613F
OGNORGANON & CO1.73%1,374,899$18,616,1331,374,899New$13.5413F
OGNORGANON & CO (Put)1.23%974,200$13,190,668974,200New$13.5413F
NUVLNUVALENT INC1.19%103,979$12,841,407103,979New$123.513F
APGEAPOGEE THERAPEUTICS INC1.17%94,900$12,596,07794,900New$132.7313F
SPYSTATE STR SPDR S&P 500 ETF T (Put)1.04%15,000$11,201,55015,000New$746.7713F
NUVLNUVALENT INC (Call)0.96%84,000$10,374,00084,000New$123.513F
NUVLNUVALENT INC (Put)0.96%84,000$10,374,00084,000New$123.513F
XOMAXOMA ROYALTY CORPORATION0.96%242,000$10,285,000242,000New$42.513F
ETSYETSY INC (PRN)0.44%5,000,000$4,734,4335,000,000New$0.9513F
RAMPLIVERAMP HLDGS INC (Put)0.41%117,100$4,407,644117,100New$37.6413F
GOOGMALPHABET INC0.4%85,000$4,325,65085,000New$50.8913F
SNAPSNAP INC (PRN)0.38%5,000,000$4,071,5975,000,000New$0.8113F
QXOQXO INC (Call)0.32%200,000$3,456,000200,000New$17.2813F
GSATGLOBALSTAR INC0.23%30,668$2,493,00230,668New$81.2913F
APGEAPOGEE THERAPEUTICS INC (Put)0.22%17,500$2,322,77517,500New$132.7313F
ESPRESPERION THERAPEUTICS INC NE0.18%612,774$1,936,366612,774New$3.1613F
PAYOPAYONEER GLOBAL INC0.17%258,216$1,838,498258,216New$7.1213F
QRVOQORVO INC0.17%19,052$1,776,98019,052New$93.2713F
EQTEQT CORP0.12%25,000$1,329,25025,000New$53.1713F
GBTGGLOBAL BUSINESS TRAVEL GROUP0.12%133,456$1,253,152133,456New$9.3913F
HONAHONEYWELL AEROSPACE INC0.1%5,000$1,105,4005,000New$221.0813F
EQHEQUITABLE HLDGS INC0.08%20,701$908,36020,701New$43.8813F
PVHPVH CORPORATION0.07%10,000$742,60010,000New$74.2613F
TBRGTRUBRIDGE INC0.06%23,251$609,40923,251New$26.2113F
CCRNCROSS CTRY HEALTHCARE INC0.06%49,612$655,37549,612New$13.2113F
SLPSIMULATIONS PLUS INC0.06%33,238$608,58833,238New$18.3113F
SKYWSKYWEST INC0.06%7,000$695,3107,000New$99.3313F
VRNSVARONIS SYS INC (Put)0.06%15,000$629,40015,000New$41.9613F
HONHONEYWELL INTL INC0.05%2,500$559,7502,500New$223.913F
AURAAURA BIOSCIENCES INC0.04%60,000$426,00060,000New$7.113F
ALOTASTRONOVA INC0.03%11,972$340,84311,972New$28.4713F
VFCV F CORP0.02%15,000$250,20015,000New$16.6813F