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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
EAELECTRONIC ARTS INC4.82%252,932$51,861,1773,0441.22%$205.0413F
GTLSCHART INDS INC4.62%237,599$49,643,93647,66025.09%$208.9413F
PENPENUMBRA INC4.42%150,456$47,506,48330,36125.28%$315.7513F
WBDWARNER BROS DISCOVERY INC4.32%1,740,468$46,400,878123,4487.63%$26.6613F
NSCNORFOLK SOUTHN CORP4.28%146,283$46,019,16812,2329.12%$314.5913F
TXNMTXNM ENERGY INC3.9%737,734$41,888,53762,8679.32%$56.7813F
WBDWARNER BROS DISCOVERY INC (Put)3.78%1,525,200$40,661,832475,70045.33%$26.6613F
CZRCAESARS ENTERTAINMENT INC NE3.69%1,313,074$39,628,5731,283,5744351.1%$30.1813F
WBSWEBSTER FINL CORP3.11%437,210$33,411,58921,3875.14%$76.4213F
NSANATIONAL STORAGE AFFILIATES3.01%728,454$32,394,350152,23026.42%$44.4713F
SLABSILICON LABORATORIES INC3.01%148,138$32,377,04189,721153.59%$218.5613F
DBRGDIGITALBRIDGE GROUP INC2.02%1,376,380$21,719,27677,3295.95%$15.7813F
RPDRAPID7 INC (PRN)0.73%8,501,530$7,831,1563,000,00054.53%$0.9213F
VRNSVARONIS SYS INC (PRN)0.45%5,000,000$4,852,0832,000,00066.67%$0.9713F
NATLNCR ATLEOS CORPORATION0.17%41,860$1,817,1432,9217.5%$43.4113F
AAUCALLIED GOLD CORP0.16%73,016$1,733,3332310.32%$23.7413F
TALKTALKSPACE INC0.12%242,655$1,261,80626,49712.26%$5.213F
IHSIHS HOLDING LIMITED0.12%150,235$1,237,93612,6209.17%$8.2413F
CCOCLEAR CHANNEL OUTDOOR HLDGS0.11%507,856$1,229,01229,3396.13%$2.4213F
ECHOECHOSTAR CORP0.08%8,500$862,7504,500112.5%$101.513F
IMXIINTERNATIONAL MONEY EXPRESS0.06%42,140$608,9239,01827.23%$14.4513F
NATHNATHANS FAMOUS INC0.06%5,871$596,49487717.56%$101.613F
ALKALASKA AIR GROUP INC0.05%11,000$574,2007357.16%$52.213F
VKTXVIKING THERAPEUTICS INC0.05%15,000$585,1504,72045.91%$39.0113F
PACBPACIFIC BIOSCIENCES CALIF IN0.04%273,666$459,7591,6260.6%$1.6813F