WATER ISLAND CAPITAL LLC
Follow13F filer, CIK 1222765, NEW YORK, NY
WATER ISLAND CAPITAL LLC reported $764,117,069 across 84 holdings for the quarter ended 2025-03-31, in a 13F-HR filed 2025-05-15. Its ten largest share positions make up 60.1% of the portfolio.
Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001222765-25-000008
- Period
- 2025-03-31
- Reported value
- $764M
- Holdings
- 84
- Top 10 weight
- 60.1%
- New
- 41
- Sold out
- 35
Largest buys vs the previous quarter
| Security | Shares change | Approx. value |
|---|---|---|
| H&E EQUIPMENT SERVICES INCnew | +431,648 | $40.9M |
| BEACON ROOFING SUPPLY INCnew | +270,509 | $33.5M |
| PLAYA HOTELS & RESORTS NVnew | +1,584,486 | $21.1M |
| PAYCOR HCM INCnew | +754,606 | $16.9M |
| TRIUMPH GROUP INC NEWnew | +628,941 | $15.9M |
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 |
|---|---|---|
| HASHICORP INCexited | -1,284,797 | -$44M |
| EDRexited | -1,346,226 | -$42.1M |
| ACIexited | -1,862,712 | -$36.6M |
| CHAMPIONX CORPORATIONreduced | -1,105,824 | -$33M |
| SMARTSHEET INC. (CLASS A)exited | -555,904 | -$31.1M |
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, Q1 2025
Share positions as resolved from 13F-HR 0001222765-25-000008, largest first. % of portfolio is the value over $576,909,611, 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 | 558,414 | $51.7M | 8.97% | -45,151 | |||
| HESS CORPHESS CORP | 258,907 | $41.4M | 7.17% | -150,854 | |||
| H&E EQUIPMENT SERVICES INCH&E EQUIPMENT SERVICES INC | 431,648 | $40.9M | 7.09% | new | |||
| KKELLANOVA | 491,241 | $40.5M | 7.02% | -153,831 | Timeline | ||
| EVERI HLDGS INCEVERI HLDGS INC | 2,499,273 | $34.2M | 5.92% | -425,648 | |||
| BEACON ROOFING SUPPLY INCBEACON ROOFING SUPPLY INC | 270,509 | $33.5M | 5.8% | new | |||
| ANSYS INCANSYS INC | 103,480 | $32.8M | 5.68% | -14,419 | |||
| JUNIPER NETWORKS INCJUNIPER NETWORKS INC | 871,961 | $31.6M | 5.47% | -85,612 | |||
| PLAYA HOTELS & RESORTS NVPLAYA HOTELS & RESORTS NV | 1,584,486 | $21.1M | 3.66% | new | |||
| ENSTAR GROUP LIMITEDENSTAR GROUP LIMITED | 57,615 | $19.2M | 3.32% | +13,288 | |||
| PAYCOR HCM INCPAYCOR HCM INC | 754,606 | $16.9M | 2.94% | new | |||
| TRIUMPH GROUP INC NEWTRIUMPH GROUP INC NEW | 628,941 | $15.9M | 2.76% | new | |||
| DUN & BRADSTREET HLDGS INCDUN & BRADSTREET HLDGS INC | 1,436,923 | $12.8M | 2.23% | new | |||
| NORDSTROM INCNORDSTROM INC | 514,943 | $12.6M | 2.18% | +135,943 | |||
| PARAMOUNT GLOBALPARAMOUNT GLOBAL | 1,050,499 | $12.6M | 2.18% | -460,768 | |||
| MGRCMCGRATH RENTCORP | 99,180 | $11M | 1.92% | -71,030 | Timeline | ||
| PRAPROASSURANCE CORP | 442,346 | $10.3M | 1.79% | new | Timeline | ||
| CHIMERIX INC COMCHIMERIX INC COM | 1,069,051 | $9.1M | 1.58% | new | |||
| REDFIN CORPREDFIN CORP | 848,500 | $7.81M | 1.35% | new | |||
| PATTERSON COS INCPATTERSON COS INC | 221,575 | $6.92M | 1.2% | -13,997 | |||
| INTRA-CELLULAR THERAPIES INCINTRA-CELLULAR THERAPIES INC | 45,308 | $5.98M | 1.04% | new | |||
| BRIDGE INVT GROUP HLDGS INCBRIDGE INVT GROUP HLDGS INC | 509,286 | $4.88M | 0.85% | new | |||
| BAPRABOEING CO | 80,000 | $4.79M | 0.83% | 0 | Timeline | ||
| ENFUSION INCENFUSION INC | 424,031 | $4.73M | 0.82% | new | |||
| PARAGON 28 INCPARAGON 28 INC | 358,000 | $4.68M | 0.81% | new | |||
| BERRY GLOBAL GROUP INCBERRY GLOBAL GROUP INC | 61,220 | $4.27M | 0.74% | -115,254 | |||
| FYBRFRONTIER COMMUNICATIONS PARE | 106,118 | $3.81M | 0.66% | -654,186 | Timeline | ||
| SOLARWINDS CORPSOLARWINDS CORP | 191,572 | $3.53M | 0.61% | new | |||
| WALGREENS BOOTS ALLIANCE INCWALGREENS BOOTS ALLIANCE INC | 302,120 | $3.37M | 0.58% | new | |||
| CCRNCROSS CTRY HEALTHCARE INC | 226,287 | $3.37M | 0.58% | -141,808 | Timeline | ||
| LBRDKLIBERTY BROADBAND CORP | 37,634 | $3.2M | 0.55% | +325 | Timeline | ||
| AIR TRANSPORT SERVICES GRP IAIR TRANSPORT SERVICES GRP I | 110,519 | $2.48M | 0.43% | new | |||
| ALEALLETE INC | 36,155 | $2.38M | 0.41% | +7,993 | Timeline | ||
| PACTIV EVERGREEN INCPACTIV EVERGREEN INC | 126,790 | $2.28M | 0.4% | +65,825 | |||
| UNITED STATES STL CORP NEWUNITED STATES STL CORP NEW | 53,989 | $2.28M | 0.4% | -534,128 | |||
| ACCOLADE INCACCOLADE INC | 195,155 | $1.36M | 0.24% | new | |||
| ALTUS POWER INCALTUS POWER INC | 275,084 | $1.36M | 0.24% | new | |||
| SCHNITZER STEEL INDUSTRIES ā¦SCHNITZER STEEL INDUSTRIES INC | 46,751 | $1.35M | 0.23% | new | |||
| PLAYAGS INCPLAYAGS INC | 98,269 | $1.19M | 0.21% | +8,025 | |||
| SPRSPIRIT AEROSYSTEMS HLDGS INC | 31,957 | $1.1M | 0.19% | +24,070 | Timeline | ||
| INTERPUBLIC GROUP COSINTERPUBLIC GROUP COS | 31,775 | $863K | 0.15% | -217,482 | |||
| LOGILITY SUPPLY CHAIN SOLUTā¦LOGILITY SUPPLY CHAIN SOLUTIONS | 53,998 | $770K | 0.13% | new | |||
| FIRST BANCSHARES INC MISSFIRST BANCSHARES INC MISS | 21,434 | $725K | 0.13% | -12,911 | |||
| NEVRO CORPNEVRO CORP | 116,721 | $682K | 0.12% | new | |||
| GLOBAL BLUE GROUP HOLDING Aā¦GLOBAL BLUE GROUP HOLDING AG ORD ⦠| 87,461 | $644K | 0.11% | new | |||
| ROOKLINE BANCORP INC DELROOKLINE BANCORP INC DEL | 53,655 | $585K | 0.1% | -6,932 | |||
| RKTROCKET COS INC | 46,367 | $560K | 0.1% | new | Timeline | ||
| Surmodics IncSurmodics Inc | 18,132 | $554K | 0.1% | new | |||
| 2SEVENTY BIO INC COMMON STOā¦2SEVENTY BIO INC COMMON STOCK | 104,006 | $514K | 0.09% | new | |||
| CHAMPIONX CORPORATIONCHAMPIONX CORPORATION | 10,800 | $322K | 0.06% | -1,105,824 |
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 | $46.9M | new |
| UNITED STATES STEEL CORPUNITED STATES STEEL CORP COM | call | 531,400 | $22.5M | new |
| H & E EQUIPMENT SERVICES INCH & E EQUIPMENT SERVICES INC COM | put | 231,400 | $21.9M | new |
| STATE STR SPDR S&P 500 ETF TSTATE STR SPDR S&P 500 ETF T CALL | call | 25,000 | $14M | 0 |
| INTRA-CELLULAR THERAPIES INCINTRA-CELLULAR THERAPIES INC Equity Put | put | 87,900 | $11.6M | new |
| NORDSTROM INCNORDSTROM INC COM | put | 405,600 | $9.92M | +26,600 |
| WALGREENS BOOTS ALLIANCE INCWALGREENS BOOTS ALLIANCE INC CALL | call | 820,000 | $9.16M | new |
| WALGREENS BOOTS ALLIANCE INCWALGREENS BOOTS ALLIANCE INC Equity Put | put | 820,000 | $9.16M | new |
| AMCOR PLCAMCOR PLC ORD | call | 942,500 | $9.14M | 0 |
| ROCKET COS INCROCKET COS INC CALL | call | 672,500 | $8.12M | new |
| OMNICOM GROUP INCOMNICOM GROUP INC COM | call | 76,700 | $6.36M | -300 |
| DESPEGAR COM CORPDESPEGAR COM CORP Equity Call | call | 299,300 | $5.62M | +81,400 |
| ISHARES TRISHARES TR PUT | put | 50,000 | $3.94M | new |
| HERC HLDGS INCHERC HLDGS INC CALL | call | 25,800 | $3.46M | new |
| PARAMOUNT GLOBALPARAMOUNT GLOBAL Equity Put | put | 185,200 | $2.21M | new |
| PAYCOR HCM INCPAYCOR HCM INC Equity Put | put | 80,900 | $1.82M | new |
| CLEARWATER ANALYTICS HLDGS ICLEARWATER ANALYTICS HLDGS I PUT | put | 31,800 | $852K | new |
| BAUSCH PLUS LOMB CORPBAUSCH PLUS LOMB CORP COMMON SHARES | call | 16,600 | $241K | -14,600 |
| SURGERY PARTNERS INCSURGERY PARTNERS INC COM | call | 10,000 | $238K | -11,000 |
| XEROX HOLDINGS CORPXEROX HOLDINGS CORP CALL | call | 20,000 | $96.6K | 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 |
|---|---|---|---|---|
| UBER TECHNOLOGIES INCUBER TECHNOLOGIES INC NOTE 12/1 | principal | 5,000,000 | $5.3M | 0 |
| AIR TRANS SVCS GROUP INCAIR TRANS SVCS GROUP INC BOND | principal | 5,000,000 | $5.01M | 0 |
| BENTLEY SYS INCBENTLEY SYS INC NOTE 0.375% 7/0 | principal | 5,000,000 | $4.53M | 0 |
| INSULET CORPINSULET CORP NOTE 0.375% 9/0 | principal | 3,500,000 | $4.43M | 0 |
| SPOTIFY USA INCSPOTIFY USA INC NOTE 3/1 | principal | 3,500,000 | $4.17M | 0 |
| HALOZYME THERAPEUTICS INCHALOZYME THERAPEUTICS INC NOTE 0.250% 3/0 | principal | 3,000,000 | $3.17M | 0 |
| DEXCOM INCDEXCOM INC NOTE 0.375% 5/1 | principal | 3,500,000 | $3.12M | new |
| REDFIN CORPREDFIN CORP NOTE 0.500% 4/0 | principal | 3,500,000 | $3.07M | new |
| BLACKLINE INCBLACKLINE INC NOTE 3/1 | principal | 3,071,000 | $2.94M | 0 |
| VERINT SYSTEMS INCVERINT SYSTEMS INC BOND | principal | 3,000,000 | $2.84M | 0 |
| RAPID7 INCRAPID7 INC NOTE 0.250% 3/1 | principal | 2,500,000 | $2.29M | 0 |
| WISDOMTREE INCWISDOMTREE INC NOTE 3.250% 6/1 | principal | 1,500,000 | $1.55M | 0 |
| FUBOTV INCFUBOTV INC NOTE 3.250% 2/1 | principal | 1,591,000 | $1.55M | new |
| ACCOLADE INCACCOLADE INC NOTE 0.500% 4/0 | principal | 1,550,000 | $1.52M | new |
Sold out in Q1 2025
Positions in the previous quarter's report that this quarter's report no longer lists.
| Security | Shares before | Value before | Type |
|---|---|---|---|
| HASHICORP INCHASHICORP INC | 1,284,797 | $44M | shares |
| EDRENDEAVOR GROUP HLDGS INC | 1,346,226 | $42.1M | shares |
| ACIALBERTSONS COMPANIES INC | 1,862,712 | $36.6M | shares |
| SLB LIMITEDSLB LIMITED | 817,200 | $31.3M | call |
| SMARTSHEET INC. (CLASS A)SMARTSHEET INC. (CLASS A) | 555,904 | $31.1M | shares |
| ZUORA INCZUORA INC | 2,422,511 | $24M | shares |
| RETAIL OPPORTUNITY INVESTMEā¦RETAIL OPPORTUNITY INVESTMENTS | 1,311,468 | $22.8M | shares |
| AVID BIOSERVICES INCAVID BIOSERVICES INC | 1,596,339 | $19.7M | shares |
| SUMMIT MATERIALS INC CLASS ASUMMIT MATERIALS INC CLASS A | 384,888 | $19.5M | shares |
| ALTAIR ENGINEERING INCALTAIR ENGINEERING INC | 144,509 | $15.8M | shares |
| ARCADIUM LITHIUM PLCARCADIUM LITHIUM PLC | 2,772,693 | $14.2M | shares |
| TECHTARGET INCTECHTARGET INC | 14,205,000 | $14.1M | principal |
| MATTERPORT INCMATTERPORT INC | 2,683,458 | $12.7M | shares |
| BARNES GROUP INCBARNES GROUP INC | 229,306 | $10.8M | shares |
| DEXCOM INCDEXCOM INC | 8,500,000 | $7.95M | principal |
| REVANCE THERAPEUTICS INCREVANCE THERAPEUTICS INC | 2,334,200 | $7.1M | call |
| COSTAR GROUP INCCOSTAR GROUP INC | 80,700 | $5.78M | call |
| DIGITALOCEAN HLDGS INCDIGITALOCEAN HLDGS INC | 5,000,000 | $4.44M | principal |
| ENLINK MIDSTREAM LLCENLINK MIDSTREAM LLC | 272,659 | $3.86M | shares |
| RINGCENTRAL INCRINGCENTRAL INC | 3,105,000 | $3.06M | principal |
| ARCH RESOURCES INCARCH RESOURCES INC | 18,173 | $2.57M | shares |
| REVANCE THERAPEUTICS INCREVANCE THERAPEUTICS INC | 722,234 | $2.2M | shares |
| BOEING COBOEING CO | 10,000 | $1.77M | put |
| HEARTLAND FINL USA INCHEARTLAND FINL USA INC | 27,940 | $1.71M | shares |
| DISCOVER FINL SVCSDISCOVER FINL SVCS | 8,558 | $1.48M | shares |
| INDEPENDENT BANK GROUP INCINDEPENDENT BANK GROUP INC | 19,464 | $1.18M | shares |
| UNIVERSAL STAINLESS & ALLOYUNIVERSAL STAINLESS & ALLOY | 26,054 | $1.15M | shares |
| DIGITALOCEAN HLDGS INCDIGITALOCEAN HLDGS INC | 33,000 | $1.12M | call |
| DEXCOM INCDEXCOM INC | 12,500 | $972K | call |
| UNITED STATES STEEL CORPUNITED STATES STEEL CORP | 17,700 | $602K | put |
| BALYBALLYS CORPORATION | 32,372 | $579K | shares |
| INNOVID CORPINNOVID CORP | 169,406 | $523K | shares |
| CROSSFIRST BANKSHARES INCCROSSFIRST BANKSHARES INC | 30,438 | $461K | shares |
| BRIGHTCOVE INCBRIGHTCOVE INC | 86,500 | $376K | shares |
| SECUREWORKS CORPSECUREWORKS CORP | 35,290 | $299K | shares |
How Q1 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 0001222765-25-000008 | base | 2025-05-15 | acceptance time not in the bulk data set |