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 Share Price $71.74 Est. Cost/Share — Unrealized @ Report Date —
— STATE STR SPDR S&P 500 ETF T 3.1%
Value $33.6M Shares 45,000 Share Price $746.77 Est. Cost/Share — Unrealized @ Report Date —
RAMP LIVERAMP HLDGS INC 2.8%
Value $30.31M Shares 805,327 Share Price $37.64 Est. Cost/Share — Unrealized @ Report Date —
CPRX CATALYST PHARMACEUTICALS INC 2.7%
Value $29.35M Shares 933,819 Share Price $31.43 Est. Cost/Share — Unrealized @ Report Date —
D DOMINION ENERGY INC 2.4%
Value $26.03M Shares 381,231 Share Price $68.29 Est. Cost/Share — Unrealized @ Report Date —
ACA ARCOSA INC 2.3%
Value $25.22M Shares 173,589 Share Price $145.29 Est. Cost/Share — Unrealized @ Report Date —
TECH BIO-TECHNE CORP 2.2%
Value $23.72M Shares 335,727 Share Price $70.65 Est. Cost/Share — Unrealized @ Report Date —
WSR WHITESTONE REIT 2.2%
Value $23.28M Shares 1,227,709 Share Price $18.96 Est. Cost/Share — Unrealized @ Report Date —
ROKU ROKU INC 2.1%
Value $22.78M Shares 164,890 Share Price $138.14 Est. Cost/Share — Unrealized @ Report Date —
BLD TOPBUILD COR 2.0%
Value $21.84M Shares 51,251 Share Price $426.16 Est. Cost/Share — Unrealized @ Report Date —
AVNS AVANOS MED INC 1.8%
Value $19.88M Shares 799,002 Share Price $24.88 Est. Cost/Share — Unrealized @ Report Date —
SILA SILA REALTY TRUST INC 1.8%
Value $18.94M Shares 623,872 Share Price $30.36 Est. Cost/Share — Unrealized @ Report Date —
OGN ORGANON & CO 1.7%
Value $18.62M Shares 1,374,899 Share Price $13.54 Est. Cost/Share — Unrealized @ Report Date —
— ORGANON & CO 1.2%
Value $13.19M Shares 974,200 Share Price $13.54 Est. Cost/Share — Unrealized @ Report Date —
NUVL NUVALENT INC 1.2%
Value $12.84M Shares 103,979 Share Price $123.50 Est. Cost/Share — Unrealized @ Report Date —
APGE APOGEE THERAPEUTICS INC 1.2%
Value $12.6M Shares 94,900 Share Price $132.73 Est. Cost/Share — Unrealized @ Report Date —
— STATE STR SPDR S&P 500 ETF T 1.0%
Value $11.2M Shares 15,000 Share Price $746.77 Est. Cost/Share — Unrealized @ Report Date —
— NUVALENT INC 1.0%
Value $10.37M Shares 84,000 Share Price $123.50 Est. Cost/Share — Unrealized @ Report Date —
— NUVALENT INC 1.0%
Value $10.37M Shares 84,000 Share Price $123.50 Est. Cost/Share — Unrealized @ Report Date —
XOMA XOMA ROYALTY CORPORATION 1.0%
Value $10.29M Shares 242,000 Share Price $42.50 Est. Cost/Share — Unrealized @ Report Date —
— ETSY INC 0.4%
Value $4.734M Shares 5,000,000 Share Price $0.95 Est. Cost/Share — Unrealized @ Report Date —
— LIVERAMP HLDGS INC 0.4%
Value $4.408M Shares 117,100 Share Price $37.64 Est. Cost/Share — Unrealized @ Report Date —
— ALPHABET INC 0.4%
Value $4.326M Shares 85,000 Share Price $50.89 Est. Cost/Share — Unrealized @ Report Date —
— SNAP INC 0.4%
Value $4.072M Shares 5,000,000 Share Price $0.81 Est. Cost/Share — Unrealized @ Report Date —
— QXO INC 0.3%
Value $3.456M Shares 200,000 Share Price $17.28 Est. Cost/Share — Unrealized @ Report Date —
GSAT GLOBALSTAR INC 0.2%
Value $2.493M Shares 30,668 Share Price $81.29 Est. Cost/Share — Unrealized @ Report Date —
— APOGEE THERAPEUTICS INC 0.2%
Value $2.323M Shares 17,500 Share Price $132.73 Est. Cost/Share — Unrealized @ Report Date —
ESPR ESPERION THERAPEUTICS INC NE 0.2%
Value $1.936M Shares 612,774 Share Price $3.16 Est. Cost/Share — Unrealized @ Report Date —
PAYO PAYONEER GLOBAL INC 0.2%
Value $1.838M Shares 258,216 Share Price $7.12 Est. Cost/Share — Unrealized @ Report Date —
QRVO QORVO INC 0.2%
Value $1.777M Shares 19,052 Share Price $93.27 Est. Cost/Share — Unrealized @ Report Date —
EQT EQT CORP 0.1%
Value $1.329M Shares 25,000 Share Price $53.17 Est. Cost/Share — Unrealized @ Report Date —
GBTG GLOBAL BUSINESS TRAVEL GROUP 0.1%
Value $1.253M Shares 133,456 Share Price $9.39 Est. Cost/Share — Unrealized @ Report Date —
HONA HONEYWELL AEROSPACE INC 0.1%
Value $1.105M Shares 5,000 Share Price $221.08 Est. Cost/Share — Unrealized @ Report Date —
EQH EQUITABLE HLDGS INC 0.1%
Value $908K Shares 20,701 Share Price $43.88 Est. Cost/Share — Unrealized @ Report Date —
PVH PVH CORPORATION 0.1%
Value $743K Shares 10,000 Share Price $74.26 Est. Cost/Share — Unrealized @ Report Date —
SKYW SKYWEST INC 0.1%
Value $695K Shares 7,000 Share Price $99.33 Est. Cost/Share — Unrealized @ Report Date —
CCRN CROSS CTRY HEALTHCARE INC 0.1%
Value $655K Shares 49,612 Share Price $13.21 Est. Cost/Share — Unrealized @ Report Date —
— VARONIS SYS INC 0.1%
Value $629K Shares 15,000 Share Price $41.96 Est. Cost/Share — Unrealized @ Report Date —
TBRG TRUBRIDGE INC 0.1%
Value $609K Shares 23,251 Share Price $26.21 Est. Cost/Share — Unrealized @ Report Date —
SLP SIMULATIONS PLUS INC 0.1%
Value $609K Shares 33,238 Share Price $18.31 Est. Cost/Share — Unrealized @ Report Date —
HON HONEYWELL INTL INC 0.1%
Value $560K Shares 2,500 Share Price $223.90 Est. Cost/Share — Unrealized @ Report Date —
AURA AURA BIOSCIENCES INC 0.0%
Value $426K Shares 60,000 Share Price $7.10 Est. Cost/Share — Unrealized @ Report Date —
ALOT ASTRONOVA INC 0.0%
Value $341K Shares 11,972 Share Price $28.47 Est. Cost/Share — Unrealized @ Report Date —
VFC V F CORP 0.0%
Value $250K Shares 15,000 Share Price $16.68 Est. Cost/Share — Unrealized @ Report Date —

Increased Positions (23)

CZR CAESARS ENTERTAINMENT INC NE 3.7%
Value $39.63M (+4982.6%) Shares 1,313,074 (+4351.1%) Share Price $30.18 Est. Cost/Share — Unrealized @ Report Date —
SLAB SILICON LABORATORIES INC 3.0%
Value $32.38M (+166.3%) Shares 148,138 (+153.6%) Share Price $218.56 Est. Cost/Share — Unrealized @ Report Date —
— WARNER BROS DISCOVERY INC 3.8%
Value $40.66M (+41.1%) Shares 1,525,200 (+45.3%) Share Price $26.66 Est. Cost/Share — Unrealized @ Report Date —
NSA NATIONAL STORAGE AFFILIATES 3.0%
Value $32.39M (+49.0%) Shares 728,454 (+26.4%) Share Price $44.47 Est. Cost/Share — Unrealized @ Report Date —
GTLS CHART INDS INC 4.6%
Value $49.64M (+26.4%) Shares 237,599 (+25.1%) Share Price $208.94 Est. Cost/Share — Unrealized @ Report Date —
PEN PENUMBRA INC 4.4%
Value $47.51M (+20.5%) Shares 150,456 (+25.3%) Share Price $315.75 Est. Cost/Share — Unrealized @ Report Date —
NSC NORFOLK SOUTHN CORP 4.3%
Value $46.02M (+19.6%) Shares 146,283 (+9.1%) Share Price $314.59 Est. Cost/Share — Unrealized @ Report Date —
WBS WEBSTER FINL CORP 3.1%
Value $33.41M (+15.7%) Shares 437,210 (+5.1%) Share Price $76.42 Est. Cost/Share — Unrealized @ Report Date —
— RAPID7 INC 0.7%
Value $7.831M (+61.0%) Shares 8,501,530 (+54.5%) Share Price $0.92 Est. Cost/Share — Unrealized @ Report Date —
TXNM TXNM ENERGY INC 3.9%
Value $41.89M (+6.2%) Shares 737,734 (+9.3%) Share Price $56.78 Est. Cost/Share — Unrealized @ Report Date —
— VARONIS SYS INC 0.5%
Value $4.852M (+85.6%) Shares 5,000,000 (+66.7%) Share Price $0.97 Est. Cost/Share — Unrealized @ Report Date —
WBD WARNER BROS DISCOVERY INC 4.3%
Value $46.4M (+4.5%) Shares 1,740,468 (+7.6%) Share Price $26.66 Est. Cost/Share — Unrealized @ Report Date —
DBRG DIGITALBRIDGE GROUP INC 2.0%
Value $21.72M (+8.4%) Shares 1,376,380 (+6.0%) Share Price $15.78 Est. Cost/Share — Unrealized @ Report Date —
EA ELECTRONIC ARTS INC 4.8%
Value $51.86M (+1.8%) Shares 252,932 (+1.2%) Share Price $205.04 Est. Cost/Share — Unrealized @ Report Date —
SATS ECHOSTAR CORP 0.1%
Value $863K (+84.2%) Shares 8,500 (+112.5%) Share Price $101.50 Est. Cost/Share — Unrealized @ Report Date —
VKTX VIKING THERAPEUTICS INC 0.1%
Value $585K (+74.9%) Shares 15,000 (+45.9%) Share Price $39.01 Est. Cost/Share — Unrealized @ Report Date —
ALK ALASKA AIR GROUP INC 0.1%
Value $574K (+52.1%) Shares 11,000 (+7.2%) Share Price $52.20 Est. Cost/Share — Unrealized @ Report Date —
TALK TALKSPACE INC 0.1%
Value $1.262M (+12.8%) Shares 242,655 (+12.3%) Share Price $5.20 Est. Cost/Share — Unrealized @ Report Date —
NATL NCR ATLEOS CORPORATION 0.2%
Value $1.817M (+7.1%) Shares 41,860 (+7.5%) Share Price $43.41 Est. Cost/Share — Unrealized @ Report Date —
IHS IHS HOLDING LIMITED 0.1%
Value $1.238M (+9.3%) Shares 150,235 (+9.2%) Share Price $8.24 Est. Cost/Share — Unrealized @ Report Date —
CCO CLEAR CHANNEL OUTDOOR HLDGS 0.1%
Value $1.229M (+8.4%) Shares 507,856 (+6.1%) Share Price $2.42 Est. Cost/Share — Unrealized @ Report Date —
NATH NATHANS FAMOUS INC 0.1%
Value $596K (+18.6%) Shares 5,871 (+17.6%) Share Price $101.60 Est. Cost/Share — Unrealized @ Report Date —
IMXI INTERNATIONAL MONEY EXPRESS 0.1%
Value $609K (+16.4%) Shares 42,140 (+27.2%) Share Price $14.45 Est. Cost/Share — Unrealized @ Report Date —

Exited Positions (57)

HOLX HOLOGIC INC 3.9%
Value $42.33M Shares 560,045 Share Price $75.59 Est. Cost/Share — Unrealized @ Report Date —
MASI MASIMO CORP 3.2%
Value $34.54M Shares 194,197 Share Price $177.87 Est. Cost/Share — Unrealized @ Report Date —
— ELECTRONIC ARTS INC 2.8%
Value $30.54M Shares 149,800 Share Price $203.87 Est. Cost/Share — Unrealized @ Report Date —
TPH TRI POINTE HOMES INC 2.3%
Value $25.06M Shares 536,367 Share Price $46.73 Est. Cost/Share — Unrealized @ Report Date —
GLDD GREAT LAKES DREDGE & DOCK CO 2.0%
Value $21.48M Shares 1,263,580 Share Price $17.00 Est. Cost/Share — Unrealized @ Report Date —
ACLX ARCELLX INC 2.0%
Value $21.06M Shares 183,409 Share Price $114.82 Est. Cost/Share — Unrealized @ Report Date —
DAWN DAY ONE BIOPHARMACEUTICALS I 1.9%
Value $20.24M Shares 944,247 Share Price $21.44 Est. Cost/Share — Unrealized @ Report Date —
— DAY ONE BIOPHARMACEUTICALS I 1.7%
Value $18M Shares 839,700 Share Price $21.44 Est. Cost/Share — Unrealized @ Report Date —
EHAB ENHABIT INC 1.3%
Value $13.87M Shares 984,611 Share Price $14.09 Est. Cost/Share — Unrealized @ Report Date —
— KENVUE INC 1.1%
Value $12.08M Shares 700,600 Share Price $17.24 Est. Cost/Share — Unrealized @ Report Date —
VRE VERIS RESIDENTIAL INC 1.0%
Value $11.27M Shares 597,390 Share Price $18.87 Est. Cost/Share — Unrealized @ Report Date —
PKST PEAKSTONE REALTY TRUST 1.0%
Value $10.52M Shares 503,583 Share Price $20.89 Est. Cost/Share — Unrealized @ Report Date —
TERN TERNS PHARMACEUTICALS INC 0.9%
Value $9.938M Shares 188,500 Share Price $52.72 Est. Cost/Share — Unrealized @ Report Date —
— TERNS PHARMACEUTICALS INC 0.9%
Value $9.938M Shares 188,500 Share Price $52.72 Est. Cost/Share — Unrealized @ Report Date —
— SILICON LABORATORIES INC 0.9%
Value $9.908M Shares 47,600 Share Price $208.15 Est. Cost/Share — Unrealized @ Report Date —
KW KENNEDY-WILSON HOLDINGS INC 0.8%
Value $8.934M Shares 825,652 Share Price $10.82 Est. Cost/Share — Unrealized @ Report Date —
ZIM ZIM INTEGRATED SHIPPING SERV 0.8%
Value $8.743M Shares 331,800 Share Price $26.35 Est. Cost/Share — Unrealized @ Report Date —
— ZIM INTEGRATED SHIPPING SERV 0.8%
Value $8.743M Shares 331,800 Share Price $26.35 Est. Cost/Share — Unrealized @ Report Date —
— JANUS HENDERSON GROUP PLC 0.7%
Value $7.926M Shares 154,300 Share Price $51.37 Est. Cost/Share — Unrealized @ Report Date —
— BANCO SANTANDER SA 0.7%
Value $7.69M Shares 681,700 Share Price $11.28 Est. Cost/Share — Unrealized @ Report Date —
— CSG SYS INTL INC 0.6%
Value $6.091M Shares 5,000,000 Share Price $1.22 Est. Cost/Share — Unrealized @ Report Date —
— AXALTA COATING SYS LTD 0.5%
Value $5.402M Shares 195,000 Share Price $27.70 Est. Cost/Share — Unrealized @ Report Date —
APLS APELLIS PHARMACEUTICALS INC 0.5%
Value $4.848M Shares 120,500 Share Price $40.23 Est. Cost/Share — Unrealized @ Report Date —
— APELLIS PHARMACEUTICALS INC 0.5%
Value $4.848M Shares 120,500 Share Price $40.23 Est. Cost/Share — Unrealized @ Report Date —
AL AIR LEASE CORP 0.4%
Value $4.749M Shares 73,131 Share Price $64.94 Est. Cost/Share — Unrealized @ Report Date —
— NUTANIX INC 0.4%
Value $4.515M Shares 5,000,000 Share Price $0.90 Est. Cost/Share — Unrealized @ Report Date —
— HALOZYME THERAPEUTICS INC 0.3%
Value $3.111M Shares 3,000,000 Share Price $1.04 Est. Cost/Share — Unrealized @ Report Date —
CWAN CLEARWATER ANALYTICS HLDGS I 0.2%
Value $2.592M Shares 109,589 Share Price $23.65 Est. Cost/Share — Unrealized @ Report Date —
SEE SEALED AIR CORP NEW 0.2%
Value $2.358M Shares 56,071 Share Price $42.05 Est. Cost/Share — Unrealized @ Report Date —
OS ONESTREAM INC 0.2%
Value $2.187M Shares 91,120 Share Price $24.00 Est. Cost/Share — Unrealized @ Report Date —
THR THERMON GROUP HLDGS INC 0.2%
Value $1.663M Shares 32,987 Share Price $50.40 Est. Cost/Share — Unrealized @ Report Date —
SNCY SUN CTRY AIRLS HLDGS INC 0.2%
Value $1.633M Shares 98,859 Share Price $16.52 Est. Cost/Share — Unrealized @ Report Date —
CNTA CENTESSA PHARMACEUTICALS PLC 0.2%
Value $1.629M Shares 41,000 Share Price $39.72 Est. Cost/Share — Unrealized @ Report Date —
— CENTESSA PHARMACEUTICALS PLC 0.2%
Value $1.629M Shares 41,000 Share Price $39.72 Est. Cost/Share — Unrealized @ Report Date —
CSGS CSG SYS INTL INC 0.2%
Value $1.617M Shares 20,223 Share Price $79.94 Est. Cost/Share — Unrealized @ Report Date —
SEMR SEMRUSH HLDGS INC 0.1%
Value $1.598M Shares 133,872 Share Price $11.94 Est. Cost/Share — Unrealized @ Report Date —
FOLD AMICUS THERAPEUTIC 0.1%
Value $1.505M Shares 104,066 Share Price $14.46 Est. Cost/Share — Unrealized @ Report Date —
STKL SUNOPTA INC 0.1%
Value $1.273M Shares 196,514 Share Price $6.48 Est. Cost/Share — Unrealized @ Report Date —
PRA PROASSURANCE CORP 0.1%
Value $1.263M Shares 51,103 Share Price $24.72 Est. Cost/Share — Unrealized @ Report Date —
CTLP CANTALOUPE INC 0.1%
Value $1.166M Shares 107,867 Share Price $10.81 Est. Cost/Share — Unrealized @ Report Date —
MCW MISTER CAR WASH INC 0.1%
Value $1.091M Shares 156,502 Share Price $6.97 Est. Cost/Share — Unrealized @ Report Date —
— GLADSTONE CAP CORP 0.1%
Value $968K Shares 1,000,000 Share Price $0.97 Est. Cost/Share — Unrealized @ Report Date —
CTRA COTERRA ENERGY INC 0.1%
Value $959K Shares 27,292 Share Price $35.14 Est. Cost/Share — Unrealized @ Report Date —
SKYT SKYWATER TECHNOLOGY INC 0.1%
Value $947K Shares 34,536 Share Price $27.41 Est. Cost/Share — Unrealized @ Report Date —
AMRX AMNEAL PHARMACEUTICALS INC 0.1%
Value $850K Shares 68,400 Share Price $12.43 Est. Cost/Share — Unrealized @ Report Date —
UDMY UDEMY INC 0.1%
Value $644K Shares 139,335 Share Price $4.62 Est. Cost/Share — Unrealized @ Report Date —
EL LAUDER ESTEE COS INC 0.1%
Value $538K Shares 7,500 Share Price $71.77 Est. Cost/Share — Unrealized @ Report Date —
CVGW CALAVO GROWERS INC 0.0%
Value $524K Shares 20,321 Share Price $25.79 Est. Cost/Share — Unrealized @ Report Date —
ONTF ON24 INC 0.0%
Value $489K Shares 60,364 Share Price $8.10 Est. Cost/Share — Unrealized @ Report Date —
HTBK HERITAGE COMM CORP 0.0%
Value $474K Shares 37,992 Share Price $12.48 Est. Cost/Share — Unrealized @ Report Date —
BLFY BLUE FOUNDRY BANCORP 0.0%
Value $472K Shares 35,658 Share Price $13.24 Est. Cost/Share — Unrealized @ Report Date —
FFIC FLUSHING FINL CORP 0.0%
Value $463K Shares 30,161 Share Price $15.36 Est. Cost/Share — Unrealized @ Report Date —
DHIL DIAMOND HILL INVT GROUP INC 0.0%
Value $434K Shares 2,522 Share Price $172.10 Est. Cost/Share — Unrealized @ Report Date —
FFWM FIRST FNDTN INC 0.0%
Value $399K Shares 67,573 Share Price $5.90 Est. Cost/Share — Unrealized @ Report Date —
VCTR VICTORY CAP HLDGS INC DEL 0.0%
Value $335K Shares 5,120 Share Price $65.48 Est. Cost/Share — Unrealized @ Report Date —
UPS UNITED PARCEL SVCS INC 0.0%
Value $248K Shares 2,520 Share Price $98.38 Est. Cost/Share — Unrealized @ Report Date —
PYPL PAYPAL HLDGS INC 0.0%
Value $232K Shares 5,124 Share Price $45.23 Est. Cost/Share — Unrealized @ Report Date —

Decreased Positions (13)

KVUE KENVUE INC 0.7%
Value $7.683M (-36.4%) Shares 402,042 (-42.6%) Share Price $19.11 Est. Cost/Share — Unrealized @ Report Date —
UNF UNIFIRST CORP MASS 0.2%
Value $2.392M (-63.1%) Shares 9,045 (-64.9%) Share Price $264.46 Est. Cost/Share — Unrealized @ Report Date —
AXTA AXALTA COATING SYS LTD 0.3%
Value $3.336M (-41.8%) Shares 97,500 (-52.9%) Share Price $34.22 Est. Cost/Share — Unrealized @ Report Date —
JHG JANUS HENDERSON GROUP PLC 4.3%
Value $46.33M (-2.2%) Shares 890,916 (-3.4%) Share Price $52.00 Est. Cost/Share — Unrealized @ Report Date —
DKS DICKS SPORTING GOODS INC 0.0%
Value $136K (-87.2%) Shares 600 (-88.8%) Share Price $226.81 Est. Cost/Share — Unrealized @ Report Date —
STEL STELLAR BANCORP INC 1.4%
Value $15.07M (-4.6%) Shares 383,227 (-11.1%) Share Price $39.32 Est. Cost/Share — Unrealized @ Report Date —
BA BOEING CO 0.1%
Value $758K (-47.4%) Shares 3,500 (-51.6%) Share Price $216.47 Est. Cost/Share — Unrealized @ Report Date —
SEM SELECT MED HLDGS CORP 0.1%
Value $1.362M (-19.2%) Shares 82,492 (-20.3%) Share Price $16.51 Est. Cost/Share — Unrealized @ Report Date —
PENN PENN ENTERTAINMENT INC 0.0%
Value $214K (-59.4%) Shares 10,000 (-71.4%) Share Price $21.36 Est. Cost/Share — Unrealized @ Report Date —
BHF BRIGHTHOUSE FINL INC 0.2%
Value $1.793M (-10.6%) Shares 28,329 (-15.4%) Share Price $63.30 Est. Cost/Share — Unrealized @ Report Date —
AES AES CORP 0.2%
Value $2.457M (-6.2%) Shares 167,570 (-9.8%) Share Price $14.66 Est. Cost/Share — Unrealized @ Report Date —
UAL UNITED AIRLS HLDGS INC 0.0%
Value $340K (-26.1%) Shares 2,500 (-50.0%) Share Price $135.99 Est. Cost/Share — Unrealized @ Report Date —
NWE NORTHWESTERN ENERGY GROUP IN 0.1%
Value $976K (+7.0%) Shares 13,633 (-1.5%) Share Price $71.62 Est. Cost/Share — Unrealized @ Report Date —