WATER ISLAND CAPITAL LLC
Follow13F filer, CIK 1222765, NEW YORK, NY
WATER ISLAND CAPITAL LLC reported $701,987,071 across 76 holdings for the quarter ended 2025-06-30, in a 13F-HR filed 2025-08-14. Its ten largest share positions make up 55.1% of the portfolio.
Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001222765-25-000018
- Period
- 2025-06-30
- Reported value
- $702M
- Holdings
- 76
- Top 10 weight
- 55.1%
- New
- 38
- Sold out
- 46
Largest buys vs the previous quarter
| Security | Shares change | Approx. value |
|---|---|---|
| SPRINGWORKS THERAPEUTICS INCnew | +703,525 | $33.1M |
| SKXnew | +426,562 | $26.9M |
| INFORMATICA INCnew | +806,228 | $19.6M |
| AVIDXCHANGE HOLDINGS INCnew | +1,961,334 | $19.2M |
| FOOT LOCKER INCnew | +777,436 | $19M |
Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.
Largest sells vs the previous quarter
| Security | Shares change | Approx. value |
|---|---|---|
| H&E EQUIPMENT SERVICES INCexited | -431,648 | -$40.9M |
| Kreduced | -437,923 | -$34.8M |
| EVERI HLDGS INCexited | -2,499,273 | -$34.2M |
| BEACON ROOFING SUPPLY INCexited | -270,509 | -$33.5M |
| PLAYA HOTELS & RESORTS NVexited | -1,584,486 | -$21.1M |
Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.
Holdings, Q2 2025
Share positions as resolved from 13F-HR 0001222765-25-000018, largest first. % of portfolio is the value over $571,184,421, the sum of the share positions whose value is usable for ratios (method).
| Security | History | Shares | Value | % of portfolio | Change | Latest event | Timeline |
|---|---|---|---|---|---|---|---|
| AMEDISYS INCAMEDISYS INC | 561,814 | $55.3M | 9.68% | +3,400 | |||
| ANSYS INCANSYS INC | 113,285 | $39.8M | 6.97% | +9,805 | |||
| JUNIPER NETWORKS INCJUNIPER NETWORKS INC | 928,961 | $37.1M | 6.49% | +57,000 | |||
| HESS CORPHESS CORP | 260,459 | $36.1M | 6.32% | +1,552 | |||
| SPRINGWORKS THERAPEUTICS INCSPRINGWORKS THERAPEUTICS INC | 703,525 | $33.1M | 5.79% | new | |||
| DUN & BRADSTREET HLDGS INCDUN & BRADSTREET HLDGS INC | 3,147,738 | $28.6M | 5.01% | +1,710,815 | |||
| SKXSKECHERS U S A INC | 426,562 | $26.9M | 4.71% | new | Timeline | ||
| INFORMATICA INCINFORMATICA INC | 806,228 | $19.6M | 3.44% | new | |||
| AVIDXCHANGE HOLDINGS INCAVIDXCHANGE HOLDINGS INC | 1,961,334 | $19.2M | 3.36% | new | |||
| FOOT LOCKER INCFOOT LOCKER INC | 777,436 | $19M | 3.33% | new | |||
| ENSTAR GROUP LIMITEDENSTAR GROUP LIMITED | 53,653 | $18M | 3.16% | -3,962 | |||
| FARO TECHNOLOGIES INCFARO TECHNOLOGIES INC | 383,836 | $16.9M | 2.95% | new | |||
| BLUEPRINT MEDICINES CORPBLUEPRINT MEDICINES CORP | 116,631 | $14.9M | 2.62% | new | |||
| TXNMTXNM ENERGY INC | 262,539 | $14.8M | 2.59% | new | Timeline | ||
| PRAPROASSURANCE CORP | 547,355 | $12.5M | 2.19% | +105,009 | Timeline | ||
| MGRCMCGRATH RENTCORP | 99,225 | $11.5M | 2.01% | +45 | Timeline | ||
| PACIFIC PREMIER BANCORP INCPACIFIC PREMIER BANCORP INC | 532,149 | $11.2M | 1.96% | new | |||
| CTLPCANTALOUPE INC | 944,903 | $10.4M | 1.82% | new | Timeline | ||
| E2OPEN PARENT HOLDINGS INCE2OPEN PARENT HOLDINGS INC | 3,185,939 | $10.3M | 1.8% | new | |||
| GMS INCGMS INC | 88,627 | $9.64M | 1.69% | new | |||
| Couchbase IncCouchbase Inc | 363,000 | $8.85M | 1.55% | new | |||
| SPARTANNASH COSPARTANNASH CO | 302,396 | $8.01M | 1.4% | new | |||
| PARAMOUNT GLOBALPARAMOUNT GLOBAL | 567,122 | $7.32M | 1.28% | -483,377 | |||
| WALGREENS BOOTS ALLIANCE INCWALGREENS BOOTS ALLIANCE INC | 593,196 | $6.81M | 1.19% | +291,076 | |||
| SITIO ROYALTIES CORPSITIO ROYALTIES CORP | 333,703 | $6.13M | 1.07% | new | |||
| TRIUMPH GROUP INC NEWTRIUMPH GROUP INC NEW | 220,294 | $5.67M | 0.99% | -408,647 | |||
| BAPRABOEING CO | 80,000 | $5.44M | 0.95% | 0 | Timeline | ||
| CUREVAC NVCUREVAC NV | 957,031 | $5.2M | 0.91% | new | |||
| KKELLANOVA | 53,318 | $4.24M | 0.74% | -437,923 | Timeline | ||
| FYBRFRONTIER COMMUNICATIONS PARE | 109,783 | $4M | 0.7% | +3,665 | Timeline | ||
| VERVE THERAPEUTICS INCVERVE THERAPEUTICS INC | 335,593 | $3.77M | 0.66% | new | |||
| SCHNITZER STEEL INDUSTRIES …SCHNITZER STEEL INDUSTRIES INC | 94,670 | $2.81M | 0.49% | +47,919 | |||
| INTERPUBLIC GROUP COSINTERPUBLIC GROUP COS | 68,367 | $1.67M | 0.29% | +36,592 | |||
| VIGIL NEUROSCIENCE INCVIGIL NEUROSCIENCE INC | 207,667 | $1.65M | 0.29% | new | |||
| ROOKLINE BANCORP INC DELROOKLINE BANCORP INC DEL | 84,076 | $887K | 0.16% | +30,421 | |||
| INOZYME PHARMA INCINOZYME PHARMA INC | 201,776 | $807K | 0.14% | new | |||
| MAC Copper LtdMAC Copper Ltd | 66,668 | $806K | 0.14% | new | |||
| BRIDGE INVT GROUP HLDGS INCBRIDGE INVT GROUP HLDGS INC | 80,349 | $804K | 0.14% | -428,937 | |||
| CCRNCROSS CTRY HEALTHCARE INC | 59,337 | $774K | 0.14% | -166,950 | Timeline | ||
| GLOBAL BLUE GROUP HOLDING A…GLOBAL BLUE GROUP HOLDING AG ORD … | 92,725 | $693K | 0.12% | +5,264 | |||
| RKTROCKET COS INC | 46,367 | $657K | 0.12% | 0 | Timeline | ||
| HRIHERC HLDGS INC | 2,605 | $343K | 0.06% | new | Timeline | ||
| SOUTHERN STS BANCSHARES INC…SOUTHERN STS BANCSHARES INC COM | 7,204 | $262K | 0.05% | new | |||
| PROVIDENT BANCORP INCPROVIDENT BANCORP INC | 18,573 | $232K | 0.04% | new | |||
| HARBORONE BANCORP INC NEWHARBORONE BANCORP INC NEW | 19,716 | $230K | 0.04% | new |
Options
Puts and calls, as filed. The amount and value describe the underlying shares, not the option premium, so they stay out of % of portfolio (H5).
| Security | Type | Amount | Value | Change |
|---|---|---|---|---|
| CHEVRON CORPORATIONCHEVRON CORPORATION CALL | call | 280,300 | $40.1M | 0 |
| SKECHERS USA INC-CL ASKECHERS USA INC-CL A COM | put | 286,100 | $18.1M | new |
| WALGREENS BOOTS ALLIANCE INCWALGREENS BOOTS ALLIANCE INC Equity Put | put | 820,000 | $9.41M | 0 |
| INFORMATICA INCINFORMATICA INC COM CL A | call | 366,600 | $8.93M | new |
| SPRINGWORKS THERAPEUTICS INCSPRINGWORKS THERAPEUTICS INC Equity Put | put | 189,900 | $8.92M | new |
| GMS INCGMS INC Equity Call | call | 81,300 | $8.84M | new |
| SKECHERS USA INC-CL ASKECHERS USA INC-CL A COM | call | 139,000 | $8.77M | new |
| WALGREENS BOOTS ALLIANCE INCWALGREENS BOOTS ALLIANCE INC CALL | call | 644,300 | $7.4M | -175,700 |
| FOOT LOCKER INCFOOT LOCKER INC COM | put | 178,000 | $4.36M | new |
| ISHARES TRISHARES TR PUT | put | 50,000 | $4.03M | 0 |
| VERVE THERAPEUTICS INCVERVE THERAPEUTICS INC Equity Put | put | 336,000 | $3.77M | new |
| DICKS SPORTING GOODS INCDICKS SPORTING GOODS INC CALL | call | 12,700 | $2.51M | new |
| PARAMOUNT GLOBALPARAMOUNT GLOBAL Equity Put | put | 185,200 | $2.39M | 0 |
| LIVE NATION ENTERTAINMENT INLIVE NATION ENTERTAINMENT IN CALL | call | 10,000 | $1.51M | new |
| EVERI HLDGS INCEVERI HLDGS INC Equity Put | put | 42,000 | $598K | new |
| BIONTECH SEBIONTECH SE SPONSORED ADS | call | 4,800 | $511K | new |
| DANA INCDANA INC COM | put | 25,000 | $429K | new |
| SURGERY PARTNERS INCSURGERY PARTNERS INC COM | call | 10,000 | $222K | 0 |
Principal amounts
Notes and convertibles filed as a face amount (PRN). A face amount is never added to a share count (H6).
| Security | Type | Amount | Value | Change |
|---|---|---|---|---|
| SPOTIFY USA INCSPOTIFY USA INC NOTE 3/1 | principal | 5,000,000 | $7.57M | +1,500,000 |
| UBER TECHNOLOGIES INCUBER TECHNOLOGIES INC NOTE 12/1 | principal | 5,000,000 | $5.99M | 0 |
| BENTLEY SYS INCBENTLEY SYS INC NOTE 0.375% 7/0 | principal | 5,000,000 | $4.72M | 0 |
| AKAMAI TECHNOLOGIES INCAKAMAI TECHNOLOGIES INC NOTE 0.375% 9/0 | principal | 4,500,000 | $4.36M | new |
| REDFIN CORPREDFIN CORP NOTE 0.500% 4/0 | principal | 4,500,000 | $4.04M | +1,000,000 |
| TXNM ENERGY INCTXNM ENERGY INC NOTE 5.750% 6/0 | principal | 3,000,000 | $3.9M | new |
| DEXCOM INCDEXCOM INC NOTE 0.375% 5/1 | principal | 3,500,000 | $3.28M | 0 |
| HALOZYME THERAPEUTICS INCHALOZYME THERAPEUTICS INC NOTE 0.250% 3/0 | principal | 3,000,000 | $2.98M | 0 |
| BLACKLINE INCBLACKLINE INC NOTE 3/1 | principal | 3,071,000 | $2.94M | 0 |
| VERINT SYSTEMS INCVERINT SYSTEMS INC BOND | principal | 3,000,000 | $2.87M | 0 |
| RAPID7 INCRAPID7 INC NOTE 0.250% 3/1 | principal | 2,500,000 | $2.32M | 0 |
| WISDOMTREE INCWISDOMTREE INC NOTE 3.250% 6/1 | principal | 1,500,000 | $1.66M | 0 |
| FUBOTV INCFUBOTV INC NOTE 3.250% 2/1 | principal | 1,591,000 | $1.57M | 0 |
Sold out in Q2 2025
Positions in the previous quarter's report that this quarter's report no longer lists.
| Security | Shares before | Value before | Type |
|---|---|---|---|
| H&E EQUIPMENT SERVICES INCH&E EQUIPMENT SERVICES INC | 431,648 | $40.9M | shares |
| EVERI HLDGS INCEVERI HLDGS INC | 2,499,273 | $34.2M | shares |
| BEACON ROOFING SUPPLY INCBEACON ROOFING SUPPLY INC | 270,509 | $33.5M | shares |
| UNITED STATES STEEL CORPUNITED STATES STEEL CORP | 531,400 | $22.5M | call |
| H & E EQUIPMENT SERVICES INCH & E EQUIPMENT SERVICES INC | 231,400 | $21.9M | put |
| PLAYA HOTELS & RESORTS NVPLAYA HOTELS & RESORTS NV | 1,584,486 | $21.1M | shares |
| PAYCOR HCM INCPAYCOR HCM INC | 754,606 | $16.9M | shares |
| STATE STR SPDR S&P 500 ETF TSTATE STR SPDR S&P 500 ETF T | 25,000 | $14M | call |
| NORDSTROM INCNORDSTROM INC | 514,943 | $12.6M | shares |
| INTRA-CELLULAR THERAPIES INCINTRA-CELLULAR THERAPIES INC | 87,900 | $11.6M | put |
| NORDSTROM INCNORDSTROM INC | 405,600 | $9.92M | put |
| AMCOR PLCAMCOR PLC | 942,500 | $9.14M | call |
| CHIMERIX INC COMCHIMERIX INC COM | 1,069,051 | $9.1M | shares |
| ROCKET COS INCROCKET COS INC | 672,500 | $8.12M | call |
| REDFIN CORPREDFIN CORP | 848,500 | $7.81M | shares |
| PATTERSON COS INCPATTERSON COS INC | 221,575 | $6.92M | shares |
| OMNICOM GROUP INCOMNICOM GROUP INC | 76,700 | $6.36M | call |
| INTRA-CELLULAR THERAPIES INCINTRA-CELLULAR THERAPIES INC | 45,308 | $5.98M | shares |
| DESPEGAR COM CORPDESPEGAR COM CORP | 299,300 | $5.62M | call |
| AIR TRANS SVCS GROUP INCAIR TRANS SVCS GROUP INC | 5,000,000 | $5.01M | principal |
| ENFUSION INCENFUSION INC | 424,031 | $4.73M | shares |
| PARAGON 28 INCPARAGON 28 INC | 358,000 | $4.68M | shares |
| INSULET CORPINSULET CORP | 3,500,000 | $4.43M | principal |
| BERRY GLOBAL GROUP INCBERRY GLOBAL GROUP INC | 61,220 | $4.27M | shares |
| SOLARWINDS CORPSOLARWINDS CORP | 191,572 | $3.53M | shares |
| HERC HLDGS INCHERC HLDGS INC | 25,800 | $3.46M | call |
| LBRDKLIBERTY BROADBAND CORP | 37,634 | $3.2M | shares |
| AIR TRANSPORT SERVICES GRP IAIR TRANSPORT SERVICES GRP I | 110,519 | $2.48M | shares |
| ALEALLETE INC | 36,155 | $2.38M | shares |
| PACTIV EVERGREEN INCPACTIV EVERGREEN INC | 126,790 | $2.28M | shares |
| UNITED STATES STL CORP NEWUNITED STATES STL CORP NEW | 53,989 | $2.28M | shares |
| PAYCOR HCM INCPAYCOR HCM INC | 80,900 | $1.82M | put |
| ACCOLADE INCACCOLADE INC | 1,550,000 | $1.52M | principal |
| ACCOLADE INCACCOLADE INC | 195,155 | $1.36M | shares |
| ALTUS POWER INCALTUS POWER INC | 275,084 | $1.36M | shares |
| PLAYAGS INCPLAYAGS INC | 98,269 | $1.19M | shares |
| SPRSPIRIT AEROSYSTEMS HLDGS INC | 31,957 | $1.1M | shares |
| CLEARWATER ANALYTICS HLDGS ICLEARWATER ANALYTICS HLDGS I | 31,800 | $852K | put |
| LOGILITY SUPPLY CHAIN SOLUT…LOGILITY SUPPLY CHAIN SOLUTIONS | 53,998 | $770K | shares |
| FIRST BANCSHARES INC MISSFIRST BANCSHARES INC MISS | 21,434 | $725K | shares |
| NEVRO CORPNEVRO CORP | 116,721 | $682K | shares |
| Surmodics IncSurmodics Inc | 18,132 | $554K | shares |
| 2SEVENTY BIO INC COMMON STO…2SEVENTY BIO INC COMMON STOCK | 104,006 | $514K | shares |
| CHAMPIONX CORPORATIONCHAMPIONX CORPORATION | 10,800 | $322K | shares |
| BAUSCH PLUS LOMB CORPBAUSCH PLUS LOMB CORP | 16,600 | $241K | call |
| XEROX HOLDINGS CORPXEROX HOLDINGS CORP | 20,000 | $96.6K | call |
How Q2 2025 was built
Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).
| Filing | Role | Amendment | Filed | Accepted | Ingested |
|---|---|---|---|---|---|
| 13F-HR 0001222765-25-000018 | base | 2025-08-14 | acceptance time not in the bulk data set |