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WATER ISLAND CAPITAL LLC
Period ended Jun 30, 2026 · Latest filing Aug 14, 2026
These quarterly holdings are delayed and may not include all assets or short positions.
Values are from the reporting date, not current prices or purchase costs.
The same security may appear in multiple rows.
Source: SEC
Reported portfolio value
Quarter-end reported holdings; not current value or investment performance.
View reported values
- Jun 30, 2026: $1,075,083,365
More quarters will appear as history becomes available.
Top holdings
Top 10 at Jun 30, 2026. Matching entries are combined; security classes and options remain separate. Shares exclude principal amounts; option shares reflect the reported underlying amount.
View top holdings values
- TAYLOR MORRISON HOME CORP · Equity · 87724P106 · shares: $52,190,277
- ELECTRONIC ARTS INC · Equity · 285512109 · shares: $51,861,177
- CHART INDS INC · Equity · 16115Q308 · shares: $49,643,936
- PENUMBRA INC · Equity · 70975L107 · shares: $47,506,483
- WARNER BROS DISCOVERY INC · Equity · 934423104 · shares: $46,400,878
- JANUS HENDERSON GROUP PLC · Equity · G4474Y214 · shares: $46,327,632
- NORFOLK SOUTHN CORP · Equity · 655844108 · shares: $46,019,168
- TXNM ENERGY INC · Equity · 69349H107 · shares: $41,888,537
- WARNER BROS DISCOVERY INC · Equity Put · 934423954 · shares · PUT: $40,661,832
- CAESARS ENTERTAINMENT INC NE · Equity · 12769G100 · shares: $39,628,573
Reported holdings
85 reported entries| Issuer | Class | CUSIP | Type | Shares / principal | Reported value (USD) |
|---|---|---|---|---|---|
| TAYLOR MORRISON HOME CORP | Equity | 87724P106 | — | 727,492 shares | $52,190,277 |
| ELECTRONIC ARTS INC | Equity | 285512109 | — | 252,932 shares | $51,861,177 |
| CHART INDS INC | Equity | 16115Q308 | — | 237,599 shares | $49,643,936 |
| PENUMBRA INC | Equity | 70975L107 | — | 150,456 shares | $47,506,483 |
| WARNER BROS DISCOVERY INC | Equity | 934423104 | — | 1,740,468 shares | $46,400,878 |
| JANUS HENDERSON GROUP PLC | Equity | G4474Y214 | — | 890,916 shares | $46,327,632 |
| NORFOLK SOUTHN CORP | Equity | 655844108 | — | 146,283 shares | $46,019,168 |
| TXNM ENERGY INC | Equity | 69349H107 | — | 737,734 shares | $41,888,537 |
| WARNER BROS DISCOVERY INC | Equity Put | 934423954 | PUT | 1,525,200 shares | $40,661,832 |
| CAESARS ENTERTAINMENT INC NE | Equity | 12769G100 | — | 1,313,074 shares | $39,628,573 |
| STATE STR SPDR S&P 500 ETF T | Equity Call | 78462F903 | CALL | 45,000 shares | $33,604,650 |
| WEBSTER FINL CORP | Equity | 947890109 | — | 437,210 shares | $33,411,589 |
| NATIONAL STORAGE AFFILIATES | Equity | 637870106 | — | 728,454 shares | $32,394,350 |
| SILICON LABORATORIES INC | Equity | 826919102 | — | 148,138 shares | $32,377,041 |
| LIVERAMP HLDGS INC | Equity | 53815P108 | — | 805,327 shares | $30,312,508 |
| CATALYST PHARMACEUTICALS INC | Equity | 14888U101 | — | 933,819 shares | $29,349,931 |
| DOMINION ENERGY INC | Equity | 25746U109 | — | 381,231 shares | $26,034,265 |
| ARCOSA INC | Equity | 039653100 | — | 173,589 shares | $25,220,746 |
| BIO-TECHNE CORP | Equity | 09073M104 | — | 335,727 shares | $23,719,113 |
| WHITESTONE REIT | Equity | 966084204 | — | 1,227,709 shares | $23,277,363 |
| ROKU INC | Equity | 77543R102 | — | 164,890 shares | $22,777,905 |
| TOPBUILD COR | Equity | 89055F103 | — | 51,251 shares | $21,840,926 |
| DIGITALBRIDGE GROUP INC | Equity | 25401T603 | — | 1,376,380 shares | $21,719,276 |
| AVANOS MED INC | Equity | 05350V106 | — | 799,002 shares | $19,879,170 |
| SILA REALTY TRUST INC | Equity | 146280508 | — | 623,872 shares | $18,940,753 |
| ORGANON & CO | Equity | 68622V106 | — | 1,374,899 shares | $18,616,133 |
| STELLAR BANCORP INC | Equity | 858927106 | — | 383,227 shares | $15,068,486 |
| ORGANON & CO | Equity Put | 68622V956 | PUT | 974,200 shares | $13,190,668 |
| NUVALENT INC | Equity | 670703107 | — | 103,979 shares | $12,841,407 |
| APOGEE THERAPEUTICS INC | Equity | 03770N101 | — | 94,900 shares | $12,596,077 |
| STATE STR SPDR S&P 500 ETF T | Equity Put | 78462F953 | PUT | 15,000 shares | $11,201,550 |
| NUVALENT INC | Equity Call | 670703907 | CALL | 84,000 shares | $10,374,000 |
| NUVALENT INC | Equity Put | 670703957 | PUT | 84,000 shares | $10,374,000 |
| XOMA ROYALTY CORPORATION | Equity | 98419J206 | — | 242,000 shares | $10,285,000 |
| TXNM ENERGY INC | Convertible Bond | 69349HAF4 | — | 6,000,000 principal | $7,845,792 |
| RAPID7 INC | Convertible Bond | 753422AF1 | — | 8,501,530 principal | $7,831,156 |
| KENVUE INC | Equity | 49177J102 | — | 402,042 shares | $7,683,023 |
| VARONIS SYS INC | Convertible Bond | 922280AD4 | — | 5,000,000 principal | $4,852,083 |
| BENTLEY SYS INC | Convertible Bond | 08265TAD1 | — | 5,000,000 principal | $4,803,323 |
| ETSY INC | Convertible Bond | 29786AAL0 | — | 5,000,000 principal | $4,734,433 |
| LIVERAMP HLDGS INC | Equity Put | 53815P958 | PUT | 117,100 shares | $4,407,644 |
| ALPHABET INC | Convertible Preferred Stock | 02079K404 | — | 85,000 shares | $4,325,650 |
| REDFIN CORP | Convertible Bond | 75737FAE8 | — | 4,500,000 principal | $4,325,563 |
| SNAP INC | Convertible Bond | 83304AAK2 | — | 5,000,000 principal | $4,071,597 |
| QXO INC | Equity Call | 82846H905 | CALL | 200,000 shares | $3,456,000 |
| AXALTA COATING SYS LTD | Equity | G0750C108 | — | 97,500 shares | $3,336,450 |
| GLOBALSTAR INC | Equity | 378973507 | — | 30,668 shares | $2,493,002 |
| AES CORP | Equity | 00130H105 | — | 167,570 shares | $2,456,576 |
| UNIFIRST CORP MASS | Equity | 904708104 | — | 9,045 shares | $2,392,041 |
| APOGEE THERAPEUTICS INC | Equity Put | 03770N951 | PUT | 17,500 shares | $2,322,775 |
| ESPERION THERAPEUTICS INC NE | Equity | 29664W105 | — | 612,774 shares | $1,936,366 |
| PAYONEER GLOBAL INC | Equity | 70451X104 | — | 258,216 shares | $1,838,498 |
| NCR ATLEOS CORPORATION | Equity | 63001N106 | — | 41,860 shares | $1,817,143 |
| BRIGHTHOUSE FINL INC | Equity | 10922N103 | — | 28,329 shares | $1,793,226 |
| QORVO INC | Equity | 74736K101 | — | 19,052 shares | $1,776,980 |
| ALLIED GOLD CORP | Equity | 01921D204 | — | 73,016 shares | $1,733,333 |
| SELECT MED HLDGS CORP | Equity | 81619Q105 | — | 82,492 shares | $1,361,943 |
| EQT CORP | Equity | 26884L109 | — | 25,000 shares | $1,329,250 |
| TALKSPACE INC | Equity | 87427V103 | — | 242,655 shares | $1,261,806 |
| GLOBAL BUSINESS TRAVEL GROUP | Equity | 37890B100 | — | 133,456 shares | $1,253,152 |
| IHS HOLDING LIMITED | Equity | G4701H109 | — | 150,235 shares | $1,237,936 |
| CLEAR CHANNEL OUTDOOR HLDGS | Equity | 18453H106 | — | 507,856 shares | $1,229,012 |
| HONEYWELL AEROSPACE INC | Equity | 43849R105 | — | 5,000 shares | $1,105,400 |
| NORTHWESTERN ENERGY GROUP IN | Equity | 668074305 | — | 13,633 shares | $976,395 |
| EQUITABLE HLDGS INC | Equity | 29452E101 | — | 20,701 shares | $908,360 |
| ECHOSTAR CORP | Equity | 278768106 | — | 8,500 shares | $862,750 |
| BOEING CO | Equity | 097023105 | — | 3,500 shares | $757,645 |
| PVH CORPORATION | Equity | 693656100 | — | 10,000 shares | $742,600 |
| SKYWEST INC | Equity | 830879102 | — | 7,000 shares | $695,310 |
| CROSS CTRY HEALTHCARE INC | Equity | 227483104 | — | 49,612 shares | $655,375 |
| VARONIS SYS INC | Equity Put | 922280952 | PUT | 15,000 shares | $629,400 |
| TRUBRIDGE INC | Equity | 205306103 | — | 23,251 shares | $609,409 |
| INTERNATIONAL MONEY EXPRESS | Equity | 46005L101 | — | 42,140 shares | $608,923 |
| SIMULATIONS PLUS INC | Equity | 829214105 | — | 33,238 shares | $608,588 |
| NATHANS FAMOUS INC | Equity | 632347100 | — | 5,871 shares | $596,494 |
| VIKING THERAPEUTICS INC | Equity | 92686J106 | — | 15,000 shares | $585,150 |
| ALASKA AIR GROUP INC | Equity | 011659109 | — | 11,000 shares | $574,200 |
| HONEYWELL INTL INC | Equity | 438516205 | — | 2,500 shares | $559,750 |
| PACIFIC BIOSCIENCES CALIF IN | Equity | 69404D108 | — | 273,666 shares | $459,759 |
| AURA BIOSCIENCES INC | Equity | 05153U107 | — | 60,000 shares | $426,000 |
| ASTRONOVA INC | Equity | 04638F108 | — | 11,972 shares | $340,843 |
| UNITED AIRLS HLDGS INC | Equity | 910047109 | — | 2,500 shares | $339,975 |
| V F CORP | Equity | 918204108 | — | 15,000 shares | $250,200 |
| PENN ENTERTAINMENT INC | Equity | 707569109 | — | 10,000 shares | $213,600 |
| DICKS SPORTING GOODS INC | Equity | 253393102 | — | 600 shares | $136,086 |