Holders — by stockHoldings — by fund
WATER ISLAND CAPITAL LLC
Everything this manager disclosed owning in US-listed stocks — its complete Form 13F portfolio · as of 2026-06-30 · filed with the SEC up to 45 days after quarter end · CIK 0001222765
$1.08B
disclosed book value
85
positions
4.9%
largest position share
Positions, as of 2026-06-30
top 85 of 85 · 13F covers long US-listed positions only — cash, bonds, private and foreign stakes are not disclosed · PUT/CALL tags = options positions (share-equivalents), not shares held
| # | Issuer | Shares | Value | % of book |
|---|---|---|---|---|
| 1 | TMHCTAYLOR MORRISON HOME CORP | 727,492 | $52.2M | 4.9% |
| 2 | EAELECTRONIC ARTS INC | 252,932 | $51.9M | 4.8% |
| 3 | CHART INDS INC | 237,599 | $49.6M | 4.6% |
| 4 | PENPENUMBRA INC | 150,456 | $47.5M | 4.4% |
| 5 | WBDWARNER BROS DISCOVERY INC | 1.7M | $46.4M | 4.3% |
| 6 | JANUS HENDERSON GROUP PLC | 890,916 | $46.3M | 4.3% |
| 7 | NSCNORFOLK SOUTHN CORP | 146,283 | $46.0M | 4.3% |
| 8 | TXNMTXNM ENERGY INC | 737,734 | $41.9M | 3.9% |
| 9 | WARNER BROS DISCOVERY INCPUT | 1.5M | $40.7M | 3.8% |
| 10 | CZRCAESARS ENTERTAINMENT INC NE | 1.3M | $39.6M | 3.7% |
| 11 | STATE STR SPDR S&P 500 ETF TCALL | 45,000 | $33.6M | 3.1% |
| 12 | WBSWEBSTER FINL CORP | 437,210 | $33.4M | 3.1% |
| 13 | NSANATIONAL STORAGE AFFILIATES | 728,454 | $32.4M | 3% |
| 14 | SLABSILICON LABORATORIES INC | 148,138 | $32.4M | 3% |
| 15 | RAMPLIVERAMP HLDGS INC | 805,327 | $30.3M | 2.8% |
| 16 | CATALYST PHARMACEUTICALS INC | 933,819 | $29.3M | 2.7% |
| 17 | DDOMINION ENERGY INC | 381,231 | $26.0M | 2.4% |
| 18 | ACAARCOSA INC | 173,589 | $25.2M | 2.3% |
| 19 | TECHBIO-TECHNE CORP | 335,727 | $23.7M | 2.2% |
| 20 | WHITESTONE REIT | 1.2M | $23.3M | 2.2% |
| 21 | ROKUROKU INC | 164,890 | $22.8M | 2.1% |
| 22 | BLDTOPBUILD COR | 51,251 | $21.8M | 2% |
| 23 | DBRGDIGITALBRIDGE GROUP INC | 1.4M | $21.7M | 2% |
| 24 | AVNSAVANOS MED INC | 799,002 | $19.9M | 1.8% |
| 25 | SILA REALTY TRUST INC | 623,872 | $18.9M | 1.8% |
| 26 | OGNORGANON & CO | 1.4M | $18.6M | 1.7% |
| 27 | STELLAR BANCORP INC | 383,227 | $15.1M | 1.4% |
| 28 | ORGANON & COPUT | 974,200 | $13.2M | 1.2% |
| 29 | NUVALENT INC | 103,979 | $12.8M | 1.2% |
| 30 | APGEAPOGEE THERAPEUTICS INC | 94,900 | $12.6M | 1.2% |
| 31 | STATE STR SPDR S&P 500 ETF TPUT | 15,000 | $11.2M | 1% |
| 32 | NUVALENT INCCALL | 84,000 | $10.4M | 1% |
| 33 | NUVALENT INCPUT | 84,000 | $10.4M | 1% |
| 34 | XOMA ROYALTY CORPORATION | 242,000 | $10.3M | 1% |
| 35 | TXNM 5.75 06/01/54TXNM ENERGY INC | 6.0M | $7.8M | 0.7% |
| 36 | RPD 0.25 03/15/27RAPID7 INC | 8.5M | $7.8M | 0.7% |
| 37 | KVUEKENVUE INC | 402,042 | $7.7M | 0.7% |
| 38 | VRNS 1 09/15/29VARONIS SYS INC | 5.0M | $4.9M | 0.5% |
| 39 | BSY 0.375 07/01/27BENTLEY SYS INC | 5.0M | $4.8M | 0.4% |
| 40 | ETSY 0.125 09/01/27ETSY INC | 5.0M | $4.7M | 0.4% |
| 41 | LIVERAMP HLDGS INCPUT | 117,100 | $4.4M | 0.4% |
| 42 | GOOGL 6.25 05/15/29 AALPHABET INC | 85,000 | $4.3M | 0.4% |
| 43 | RDFN 0.5 04/01/27REDFIN CORP | 4.5M | $4.3M | 0.4% |
| 44 | SNAP 0.5 05/01/30SNAP INC | 5.0M | $4.1M | 0.4% |
| 45 | QXO INCCALL | 200,000 | $3.5M | 0.3% |
| 46 | AXTAAXALTA COATING SYS LTD | 97,500 | $3.3M | 0.3% |
| 47 | GSATGLOBALSTAR INC | 30,668 | $2.5M | 0.2% |
| 48 | AESAES CORP | 167,570 | $2.5M | 0.2% |
| 49 | UNFUNIFIRST CORP MASS | 9,045 | $2.4M | 0.2% |
| 50 | APOGEE THERAPEUTICS INCPUT | 17,500 | $2.3M | 0.2% |
| 51 | ESPERION THERAPEUTICS INC NE | 612,774 | $1.9M | 0.2% |
| 52 | PAYOPAYONEER GLOBAL INC | 258,216 | $1.8M | 0.2% |
| 53 | NATLNCR ATLEOS CORPORATION | 41,860 | $1.8M | 0.2% |
| 54 | BHFBRIGHTHOUSE FINL INC | 28,329 | $1.8M | 0.2% |
| 55 | QRVOQORVO INC | 19,052 | $1.8M | 0.2% |
| 56 | AAUCALLIED GOLD CORP | 73,016 | $1.7M | 0.2% |
| 57 | SELECT MED HLDGS CORP | 82,492 | $1.4M | 0.1% |
| 58 | EQTEQT CORP | 25,000 | $1.3M | 0.1% |
| 59 | TALKSPACE INC | 242,655 | $1.3M | 0.1% |
| 60 | GBTGGLOBAL BUSINESS TRAVEL GROUP | 133,456 | $1.3M | 0.1% |
| 61 | IHSIHS HOLDING LIMITED | 150,235 | $1.2M | 0.1% |
| 62 | CCOCLEAR CHANNEL OUTDOOR HLDGS | 507,856 | $1.2M | 0.1% |
| 63 | HONAHONEYWELL AEROSPACE INC | 5,000 | $1.1M | 0.1% |
| 64 | NWENORTHWESTERN ENERGY GROUP IN | 13,633 | $976,395 | 0.1% |
| 65 | EQHEQUITABLE HLDGS INC | 20,701 | $908,360 | 0.1% |
| 66 | ECHOECHOSTAR CORP | 8,500 | $862,750 | 0.1% |
| 67 | BABOEING CO | 3,500 | $757,645 | 0.1% |
| 68 | PVHPVH CORPORATION | 10,000 | $742,600 | 0.1% |
| 69 | SKYWSKYWEST INC | 7,000 | $695,310 | 0.1% |
| 70 | CROSS CTRY HEALTHCARE INC | 49,612 | $655,375 | 0.1% |
| 71 | VARONIS SYS INCPUT | 15,000 | $629,400 | 0.1% |
| 72 | TRUBRIDGE INC | 23,251 | $609,409 | 0.1% |
| 73 | IMXIINTERNATIONAL MONEY EXPRESS | 42,140 | $608,923 | 0.1% |
| 74 | SLPSIMULATIONS PLUS INC | 33,238 | $608,588 | 0.1% |
| 75 | NATHNATHANS FAMOUS INC | 5,871 | $596,494 | 0.1% |
| 76 | VKTXVIKING THERAPEUTICS INC | 15,000 | $585,150 | 0.1% |
| 77 | ALKALASKA AIR GROUP INC | 11,000 | $574,200 | 0.1% |
| 78 | HONHONEYWELL INTL INC | 2,500 | $559,750 | 0.1% |
| 79 | PACBPACIFIC BIOSCIENCES CALIF IN | 273,666 | $459,759 | 0% |
| 80 | AURAAURA BIOSCIENCES INC | 60,000 | $426,000 | 0% |
| 81 | ALOTASTRONOVA INC | 11,972 | $340,843 | 0% |
| 82 | UALUNITED AIRLS HLDGS INC | 2,500 | $339,975 | 0% |
| 83 | VFCV F CORP | 15,000 | $250,200 | 0% |
| 84 | PENNPENN ENTERTAINMENT INC | 10,000 | $213,600 | 0% |
| 85 | DKSDICKS SPORTING GOODS INC | 600 | $136,086 | 0% |
Source: SEC Form 13F-HR, reporting period 2026-06-30. Values are the manager's filed June-30-style quarter-end marks, not live prices. Research, not investment advice.