WATER ISLAND CAPITAL LLC Hedge Fund

Location: New York, NY

CIK: 0001222765 · Show all filings

Period: Q2 2026 (← Previous)

Filing Date: Aug 14, 2026

Total Value: $1.075B (96.4% shares, 3.6% debt)

Holdings (85)

New Positions (44)

TMHC TAYLOR MORRISON HOME CORP 4.9%
Value $52.19M Shares 727,492 Est. Cost Unrealized
STATE STR SPDR S&P 500 ETF T 3.1%
Value $33.6M Shares 45,000 Est. Cost Unrealized
RAMP LIVERAMP HLDGS INC 2.8%
Value $30.31M Shares 805,327 Est. Cost Unrealized
CPRX CATALYST PHARMACEUTICALS INC 2.7%
Value $29.35M Shares 933,819 Est. Cost Unrealized
D DOMINION ENERGY INC 2.4%
Value $26.03M Shares 381,231 Est. Cost Unrealized
ACA ARCOSA INC 2.3%
Value $25.22M Shares 173,589 Est. Cost Unrealized
TECH BIO-TECHNE CORP 2.2%
Value $23.72M Shares 335,727 Est. Cost Unrealized
WSR WHITESTONE REIT 2.2%
Value $23.28M Shares 1,227,709 Est. Cost Unrealized
ROKU ROKU INC 2.1%
Value $22.78M Shares 164,890 Est. Cost Unrealized
BLD TOPBUILD COR 2.0%
Value $21.84M Shares 51,251 Est. Cost Unrealized
AVNS AVANOS MED INC 1.8%
Value $19.88M Shares 799,002 Est. Cost Unrealized
SILA SILA REALTY TRUST INC 1.8%
Value $18.94M Shares 623,872 Est. Cost Unrealized
OGN ORGANON & CO 1.7%
Value $18.62M Shares 1,374,899 Est. Cost Unrealized
ORGANON & CO 1.2%
Value $13.19M Shares 974,200 Est. Cost Unrealized
NUVL NUVALENT INC 1.2%
Value $12.84M Shares 103,979 Est. Cost Unrealized
APGE APOGEE THERAPEUTICS INC 1.2%
Value $12.6M Shares 94,900 Est. Cost Unrealized
STATE STR SPDR S&P 500 ETF T 1.0%
Value $11.2M Shares 15,000 Est. Cost Unrealized
NUVALENT INC 1.0%
Value $10.37M Shares 84,000 Est. Cost Unrealized
NUVALENT INC 1.0%
Value $10.37M Shares 84,000 Est. Cost Unrealized
XOMA XOMA ROYALTY CORPORATION 1.0%
Value $10.29M Shares 242,000 Est. Cost Unrealized
ETSY INC 0.4%
Value $4.734M Shares 5,000,000 Est. Cost Unrealized
LIVERAMP HLDGS INC 0.4%
Value $4.408M Shares 117,100 Est. Cost Unrealized
ALPHABET INC 0.4%
Value $4.326M Shares 85,000 Est. Cost Unrealized
SNAP INC 0.4%
Value $4.072M Shares 5,000,000 Est. Cost Unrealized
QXO INC 0.3%
Value $3.456M Shares 200,000 Est. Cost Unrealized
GSAT GLOBALSTAR INC 0.2%
Value $2.493M Shares 30,668 Est. Cost Unrealized
APOGEE THERAPEUTICS INC 0.2%
Value $2.323M Shares 17,500 Est. Cost Unrealized
ESPR ESPERION THERAPEUTICS INC NE 0.2%
Value $1.936M Shares 612,774 Est. Cost Unrealized
PAYO PAYONEER GLOBAL INC 0.2%
Value $1.838M Shares 258,216 Est. Cost Unrealized
QRVO QORVO INC 0.2%
Value $1.777M Shares 19,052 Est. Cost Unrealized
EQT EQT CORP 0.1%
Value $1.329M Shares 25,000 Est. Cost Unrealized
GBTG GLOBAL BUSINESS TRAVEL GROUP 0.1%
Value $1.253M Shares 133,456 Est. Cost Unrealized
HONA HONEYWELL AEROSPACE INC 0.1%
Value $1.105M Shares 5,000 Est. Cost Unrealized
EQH EQUITABLE HLDGS INC 0.1%
Value $908K Shares 20,701 Est. Cost Unrealized
PVH PVH CORPORATION 0.1%
Value $743K Shares 10,000 Est. Cost Unrealized
SKYW SKYWEST INC 0.1%
Value $695K Shares 7,000 Est. Cost Unrealized
CCRN CROSS CTRY HEALTHCARE INC 0.1%
Value $655K Shares 49,612 Est. Cost Unrealized
VARONIS SYS INC 0.1%
Value $629K Shares 15,000 Est. Cost Unrealized
TBRG TRUBRIDGE INC 0.1%
Value $609K Shares 23,251 Est. Cost Unrealized
SLP SIMULATIONS PLUS INC 0.1%
Value $609K Shares 33,238 Est. Cost Unrealized
HON HONEYWELL INTL INC 0.1%
Value $560K Shares 2,500 Est. Cost Unrealized
AURA AURA BIOSCIENCES INC 0.0%
Value $426K Shares 60,000 Est. Cost Unrealized
ALOT ASTRONOVA INC 0.0%
Value $341K Shares 11,972 Est. Cost Unrealized
VFC V F CORP 0.0%
Value $250K Shares 15,000 Est. Cost Unrealized

Increased Positions (23)

CZR CAESARS ENTERTAINMENT INC NE 3.7%
Value $39.63M (+4982.6%) Shares 1,313,074 (+4351.1%) Est. Cost Unrealized
SLAB SILICON LABORATORIES INC 3.0%
Value $32.38M (+166.3%) Shares 148,138 (+153.6%) Est. Cost Unrealized
WARNER BROS DISCOVERY INC 3.8%
Value $40.66M (+41.1%) Shares 1,525,200 (+45.3%) Est. Cost Unrealized
NSA NATIONAL STORAGE AFFILIATES 3.0%
Value $32.39M (+49.0%) Shares 728,454 (+26.4%) Est. Cost Unrealized
GTLS CHART INDS INC 4.6%
Value $49.64M (+26.4%) Shares 237,599 (+25.1%) Est. Cost Unrealized
PEN PENUMBRA INC 4.4%
Value $47.51M (+20.5%) Shares 150,456 (+25.3%) Est. Cost Unrealized
NSC NORFOLK SOUTHN CORP 4.3%
Value $46.02M (+19.6%) Shares 146,283 (+9.1%) Est. Cost Unrealized
WBS WEBSTER FINL CORP 3.1%
Value $33.41M (+15.7%) Shares 437,210 (+5.1%) Est. Cost Unrealized
RAPID7 INC 0.7%
Value $7.831M (+61.0%) Shares 8,501,530 (+54.5%) Est. Cost Unrealized
TXNM TXNM ENERGY INC 3.9%
Value $41.89M (+6.2%) Shares 737,734 (+9.3%) Est. Cost Unrealized
VARONIS SYS INC 0.5%
Value $4.852M (+85.6%) Shares 5,000,000 (+66.7%) Est. Cost Unrealized
WBD WARNER BROS DISCOVERY INC 4.3%
Value $46.4M (+4.5%) Shares 1,740,468 (+7.6%) Est. Cost Unrealized
DBRG DIGITALBRIDGE GROUP INC 2.0%
Value $21.72M (+8.4%) Shares 1,376,380 (+6.0%) Est. Cost Unrealized
EA ELECTRONIC ARTS INC 4.8%
Value $51.86M (+1.8%) Shares 252,932 (+1.2%) Est. Cost Unrealized
SATS ECHOSTAR CORP 0.1%
Value $863K (+84.2%) Shares 8,500 (+112.5%) Est. Cost Unrealized
VKTX VIKING THERAPEUTICS INC 0.1%
Value $585K (+74.9%) Shares 15,000 (+45.9%) Est. Cost Unrealized
ALK ALASKA AIR GROUP INC 0.1%
Value $574K (+52.1%) Shares 11,000 (+7.2%) Est. Cost Unrealized
TALK TALKSPACE INC 0.1%
Value $1.262M (+12.8%) Shares 242,655 (+12.3%) Est. Cost Unrealized
NATL NCR ATLEOS CORPORATION 0.2%
Value $1.817M (+7.1%) Shares 41,860 (+7.5%) Est. Cost Unrealized
IHS IHS HOLDING LIMITED 0.1%
Value $1.238M (+9.3%) Shares 150,235 (+9.2%) Est. Cost Unrealized
CCO CLEAR CHANNEL OUTDOOR HLDGS 0.1%
Value $1.229M (+8.4%) Shares 507,856 (+6.1%) Est. Cost Unrealized
NATH NATHANS FAMOUS INC 0.1%
Value $596K (+18.6%) Shares 5,871 (+17.6%) Est. Cost Unrealized
IMXI INTERNATIONAL MONEY EXPRESS 0.1%
Value $609K (+16.4%) Shares 42,140 (+27.2%) Est. Cost Unrealized

Exited Positions (57)

HOLX HOLOGIC INC 3.9%
Value $42.33M Shares 560,045 Est. Cost Unrealized
MASI MASIMO CORP 3.2%
Value $34.54M Shares 194,197 Est. Cost Unrealized
ELECTRONIC ARTS INC 2.8%
Value $30.54M Shares 149,800 Est. Cost Unrealized
TPH TRI POINTE HOMES INC 2.3%
Value $25.06M Shares 536,367 Est. Cost Unrealized
GLDD GREAT LAKES DREDGE & DOCK CO 2.0%
Value $21.48M Shares 1,263,580 Est. Cost Unrealized
ACLX ARCELLX INC 2.0%
Value $21.06M Shares 183,409 Est. Cost Unrealized
DAWN DAY ONE BIOPHARMACEUTICALS I 1.9%
Value $20.24M Shares 944,247 Est. Cost Unrealized
DAY ONE BIOPHARMACEUTICALS I 1.7%
Value $18M Shares 839,700 Est. Cost Unrealized
EHAB ENHABIT INC 1.3%
Value $13.87M Shares 984,611 Est. Cost Unrealized
KENVUE INC 1.1%
Value $12.08M Shares 700,600 Est. Cost Unrealized
VRE VERIS RESIDENTIAL INC 1.0%
Value $11.27M Shares 597,390 Est. Cost Unrealized
PKST PEAKSTONE REALTY TRUST 1.0%
Value $10.52M Shares 503,583 Est. Cost Unrealized
TERN TERNS PHARMACEUTICALS INC 0.9%
Value $9.938M Shares 188,500 Est. Cost Unrealized
TERNS PHARMACEUTICALS INC 0.9%
Value $9.938M Shares 188,500 Est. Cost Unrealized
SILICON LABORATORIES INC 0.9%
Value $9.908M Shares 47,600 Est. Cost Unrealized
KW KENNEDY-WILSON HOLDINGS INC 0.8%
Value $8.934M Shares 825,652 Est. Cost Unrealized
ZIM ZIM INTEGRATED SHIPPING SERV 0.8%
Value $8.743M Shares 331,800 Est. Cost Unrealized
ZIM INTEGRATED SHIPPING SERV 0.8%
Value $8.743M Shares 331,800 Est. Cost Unrealized
JANUS HENDERSON GROUP PLC 0.7%
Value $7.926M Shares 154,300 Est. Cost Unrealized
BANCO SANTANDER SA 0.7%
Value $7.69M Shares 681,700 Est. Cost Unrealized
CSG SYS INTL INC 0.6%
Value $6.091M Shares 5,000,000 Est. Cost Unrealized
AXALTA COATING SYS LTD 0.5%
Value $5.402M Shares 195,000 Est. Cost Unrealized
APLS APELLIS PHARMACEUTICALS INC 0.5%
Value $4.848M Shares 120,500 Est. Cost Unrealized
APELLIS PHARMACEUTICALS INC 0.5%
Value $4.848M Shares 120,500 Est. Cost Unrealized
AL AIR LEASE CORP 0.4%
Value $4.749M Shares 73,131 Est. Cost Unrealized
NUTANIX INC 0.4%
Value $4.515M Shares 5,000,000 Est. Cost Unrealized
HALOZYME THERAPEUTICS INC 0.3%
Value $3.111M Shares 3,000,000 Est. Cost Unrealized
CWAN CLEARWATER ANALYTICS HLDGS I 0.2%
Value $2.592M Shares 109,589 Est. Cost Unrealized
SEE SEALED AIR CORP NEW 0.2%
Value $2.358M Shares 56,071 Est. Cost Unrealized
OS ONESTREAM INC 0.2%
Value $2.187M Shares 91,120 Est. Cost Unrealized
THR THERMON GROUP HLDGS INC 0.2%
Value $1.663M Shares 32,987 Est. Cost Unrealized
SNCY SUN CTRY AIRLS HLDGS INC 0.2%
Value $1.633M Shares 98,859 Est. Cost Unrealized
CNTA CENTESSA PHARMACEUTICALS PLC 0.2%
Value $1.629M Shares 41,000 Est. Cost Unrealized
CENTESSA PHARMACEUTICALS PLC 0.2%
Value $1.629M Shares 41,000 Est. Cost Unrealized
CSGS CSG SYS INTL INC 0.2%
Value $1.617M Shares 20,223 Est. Cost Unrealized
SEMR SEMRUSH HLDGS INC 0.1%
Value $1.598M Shares 133,872 Est. Cost Unrealized
FOLD AMICUS THERAPEUTIC 0.1%
Value $1.505M Shares 104,066 Est. Cost Unrealized
STKL SUNOPTA INC 0.1%
Value $1.273M Shares 196,514 Est. Cost Unrealized
PRA PROASSURANCE CORP 0.1%
Value $1.263M Shares 51,103 Est. Cost Unrealized
CTLP CANTALOUPE INC 0.1%
Value $1.166M Shares 107,867 Est. Cost Unrealized
MCW MISTER CAR WASH INC 0.1%
Value $1.091M Shares 156,502 Est. Cost Unrealized
GLADSTONE CAP CORP 0.1%
Value $968K Shares 1,000,000 Est. Cost Unrealized
CTRA COTERRA ENERGY INC 0.1%
Value $959K Shares 27,292 Est. Cost Unrealized
SKYT SKYWATER TECHNOLOGY INC 0.1%
Value $947K Shares 34,536 Est. Cost Unrealized
AMRX AMNEAL PHARMACEUTICALS INC 0.1%
Value $850K Shares 68,400 Est. Cost Unrealized
UDMY UDEMY INC 0.1%
Value $644K Shares 139,335 Est. Cost Unrealized
EL LAUDER ESTEE COS INC 0.1%
Value $538K Shares 7,500 Est. Cost Unrealized
CVGW CALAVO GROWERS INC 0.0%
Value $524K Shares 20,321 Est. Cost Unrealized
ONTF ON24 INC 0.0%
Value $489K Shares 60,364 Est. Cost Unrealized
HTBK HERITAGE COMM CORP 0.0%
Value $474K Shares 37,992 Est. Cost Unrealized
BLFY BLUE FOUNDRY BANCORP 0.0%
Value $472K Shares 35,658 Est. Cost Unrealized
FFIC FLUSHING FINL CORP 0.0%
Value $463K Shares 30,161 Est. Cost Unrealized
DHIL DIAMOND HILL INVT GROUP INC 0.0%
Value $434K Shares 2,522 Est. Cost Unrealized
FFWM FIRST FNDTN INC 0.0%
Value $399K Shares 67,573 Est. Cost Unrealized
VCTR VICTORY CAP HLDGS INC DEL 0.0%
Value $335K Shares 5,120 Est. Cost Unrealized
UPS UNITED PARCEL SVCS INC 0.0%
Value $248K Shares 2,520 Est. Cost Unrealized
PYPL PAYPAL HLDGS INC 0.0%
Value $232K Shares 5,124 Est. Cost Unrealized

Decreased Positions (13)