WATER ISLAND CAPITAL LLC Q2 2025 Filing
Filed August 14, 2025
Portfolio Value
$702.0B
Holdings
76
Report Date
Q2 2025
Filing Type
13F-HR
All Holdings (76 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | AMEDAMEDISYS INC | 561,814 | $55.3B | 7.87% | |
| 2 | CVXCHEVRON CORP NEW | 280,300 | $40.1B | 5.72% | Call |
| 3 | AKXANSYS INC | 113,285 | $39.8B | 5.67% | |
| 4 | JNPJUNIPER NETWORKS INC | 928,961 | $37.1B | 5.28% | |
| 5 | HESHESS CORP | 260,459 | $36.1B | 5.14% | |
| 6 | SWTXSPRINGWORKS THERAPEUTICS INC | 703,525 | $33.1B | 4.71% | |
| 7 | DNBDUN & BRADSTREET HLDGS INC | 3,147,738 | $28.6B | 4.08% | |
| 8 | SKAASKECHERS U S A INC | 426,562 | $26.9B | 3.83% | |
| 9 | INFA1EURINFORMATICA INC | 806,228 | $19.6B | 2.80% | |
| 10 | AVDXAVIDXCHANGE HOLDINGS INC | 1,961,334 | $19.2B | 2.74% | |
| 11 | WOOFOOT LOCKER INC | 777,436 | $19.0B | 2.71% | |
| 12 | —SKECHERS U S A INC | 286,100 | $18.1B | 2.57% | Put |
| 13 | ESGRENSTAR GROUP LIMITED | 53,653 | $18.0B | 2.57% | |
| 14 | FAROFARO TECHNOLOGIES INC | 383,836 | $16.9B | 2.40% | |
| 15 | 2L9BLUEPRINT MEDICINES CORP | 116,631 | $14.9B | 2.13% | |
| 16 | TXNMTXNM ENERGY INC | 262,539 | $14.8B | 2.11% | |
| 17 | PRAPROASSURANCE CORP | 547,355 | $12.5B | 1.78% | |
| 18 | MGRCMCGRATH RENTCORP | 99,225 | $11.5B | 1.64% | |
| 19 | LF2PACIFIC PREMIER BANCORP | 532,149 | $11.2B | 1.60% | |
| 20 | CTLPCANTALOUPE INC | 944,903 | $10.4B | 1.48% | |
| 21 | ETWOGBPE2OPEN PARENT HOLDINGS INC | 3,185,939 | $10.3B | 1.47% | |
| 22 | GMS1EURGMS INC | 88,627 | $9.6B | 1.37% | |
| 23 | —WALGREENS BOOTS ALLIANCE INC | 820,000 | $9.4B | 1.34% | Put |
| 24 | —INFORMATICA INC | 366,600 | $8.9B | 1.27% | Call |
| 25 | —SPRINGWORKS THERAPEUTICS INC | 189,900 | $8.9B | 1.27% | Put |
| 26 | BASECOUCHBASE INC | 363,000 | $8.8B | 1.26% | |
| 27 | —GMS INC | 81,300 | $8.8B | 1.26% | Call |
| 28 | —SKECHERS U S A INC | 139,000 | $8.8B | 1.25% | Call |
| 29 | SRJSPARTANNASH CO | 302,396 | $8.0B | 1.14% | |
| 30 | SPOT 0 03/15/26SPOTIFY USA INC | 5,000,000 | $7.6B | 1.08% | |
| 31 | —WALGREENS BOOTS ALLIANCE INC | 644,300 | $7.4B | 1.05% | Call |
| 32 | 0VVBPARAMOUNT GLOBAL | 567,122 | $7.3B | 1.04% | |
| 33 | WBAWALGREENS BOOTS ALLIANCE INC | 593,196 | $6.8B | 0.97% | |
| 34 | SB9SITIO ROYALTIES CORP | 333,703 | $6.1B | 0.87% | |
| 35 | UBER 0 12/15/25UBER TECHNOLOGIES INC | 5,000,000 | $6.0B | 0.85% | |
| 36 | TG7TRIUMPH GROUP INC NEW | 220,294 | $5.7B | 0.81% | |
| 37 | BA 6 10/15/27BOEING CO | 80,000 | $5.4B | 0.77% | |
| 38 | CVACCUREVAC N V | 957,031 | $5.2B | 0.74% | |
| 39 | BSY 0.375 07/01/27BENTLEY SYS INC | 5,000,000 | $4.7B | 0.67% | |
| 40 | AKAM 0.375 09/01/27AKAMAI TECHNOLOGIES INC | 4,500,000 | $4.4B | 0.62% | |
| 41 | —FOOT LOCKER INC | 178,000 | $4.4B | 0.62% | Put |
| 42 | KELKELLANOVA | 53,318 | $4.2B | 0.60% | |
| 43 | RDFN 0.5 04/01/27REDFIN CORP | 4,500,000 | $4.0B | 0.58% | |
| 44 | AQLTISHARES TR | 50,000 | $4.0B | 0.57% | Put |
| 45 | FYBRFRONTIER COMMUNICATIONS PARE | 109,783 | $4.0B | 0.57% | |
| 46 | TXNM 5.75 06/01/54TXNM ENERGY INC | 3,000,000 | $3.9B | 0.56% | |
| 47 | —VERVE THERAPEUTICS INC | 336,000 | $3.8B | 0.54% | Put |
| 48 | VERVVERVE THERAPEUTICS INC | 335,593 | $3.8B | 0.54% | |
| 49 | DXCM 0.375 05/15/28DEXCOM INC | 3,500,000 | $3.3B | 0.47% | |
| 50 | HALO 0.25 03/01/27HALOZYME THERAPEUTICS INC | 3,000,000 | $3.0B | 0.43% | |
| 51 | BL 0 03/15/26BLACKLINE INC | 3,071,000 | $2.9B | 0.42% | |
| 52 | VRNT 0.25 04/15/26VERINT SYSTEMS INC | 3,000,000 | $2.9B | 0.41% | |
| 53 | SCHN1EURRADIUS RECYCLING INC | 94,670 | $2.8B | 0.40% | |
| 54 | —DICKS SPORTING GOODS INC | 12,700 | $2.5B | 0.36% | Call |
| 55 | —PARAMOUNT GLOBAL | 185,200 | $2.4B | 0.34% | Put |
| 56 | RPD 0.25 03/15/27RAPID7 INC | 2,500,000 | $2.3B | 0.33% | |
| 57 | IPGINTERPUBLIC GROUP COS INC | 68,367 | $1.7B | 0.24% | |
| 58 | WT 3.25 06/15/26WISDOMTREE INC | 1,500,000 | $1.7B | 0.24% | |
| 59 | VIGLVIGIL NEUROSCIENCE INC | 207,667 | $1.7B | 0.24% | |
| 60 | FUBO 3.25 02/15/26FUBOTV INC | 1,591,000 | $1.6B | 0.22% | |
| 61 | LYVLIVE NATION ENTERTAINMENT IN | 10,000 | $1.5B | 0.22% | Call |
| 62 | BB3BROOKLINE BANCORP INC DEL | 84,076 | $887.0M | 0.13% | |
| 63 | INZYINOZYME PHARMA INC | 201,776 | $807.1M | 0.11% | |
| 64 | —MAC COPPER LIMITED | 66,668 | $806.0M | 0.11% | |
| 65 | 53SBRIDGE INVT GROUP HLDGS INC | 80,349 | $804.3M | 0.11% | |
| 66 | XXYCROSS CTRY HEALTHCARE INC | 59,337 | $774.3M | 0.11% | |
| 67 | GBGLOBAL BLUE GROUP HOLDING AG | 92,725 | $692.7M | 0.10% | |
| 68 | RKTROCKET COS INC | 46,367 | $657.5M | 0.09% | |
| 69 | —EVERI HLDGS INC | 42,000 | $598.1M | 0.09% | Put |
| 70 | BNTXBIONTECH SE | 4,800 | $511.1M | 0.07% | Call |
| 71 | DANDANA INC | 25,000 | $428.8M | 0.06% | Put |
| 72 | HRIHERC HLDGS INC | 2,605 | $343.1M | 0.05% | |
| 73 | SSBKSOUTHERN STS BANCSHARES INC | 7,204 | $262.0M | 0.04% | |
| 74 | PVBCPROVIDENT BANCORP INC | 18,573 | $232.0M | 0.03% | |
| 75 | 1S4HARBORONE BANCORP INC NEW | 19,716 | $230.3M | 0.03% | |
| 76 | SGRYSURGERY PARTNERS INC | 10,000 | $222.3M | 0.03% | Call |