WATER ISLAND CAPITAL LLC
Securities ▲▼ | Shares | Value ($K) | |||||
|---|---|---|---|---|---|---|---|
Q4 2025 ▲▼ | Q1 2026 ▲▼ | Change ▲▼ | Q4 2025 ▲▼ | Q1 2026 ▲▼ | Weight (%) ▲▼ | Change ▲▼ | |
| PENUMBRA INC(PEN) | 0 | 120,095 | +120,095 | 0 | 39,435,596 | 5.26% | +39,435,596 |
| MASIMO CORP | 0 | 194,197 | +194,197 | 0 | 34,541,821 | 4.60% | +34,541,821 |
| ELECTRONIC ARTS INC(EA)(Put) | 0 | 149,800 | +149,800 | 0 | 30,539,726 | — | +30,539,726 |
| WEBSTER FINL CORP(WBS) | 0 | 415,823 | +415,823 | 0 | 28,866,433 | 3.85% | +28,866,433 |
| WARNER BROS DISCOVERY INC(WBD)(Put) | 94,900 | 1,049,500 | +954,600 | 2,735,018 | 28,819,270 | — | +26,084,252 |
| TRI POINTE HOMES INC COM | 0 | 536,367 | +536,367 | 0 | 25,064,430 | 3.34% | +25,064,430 |
| NATIONAL STORAGE AFFILIATES(NSA) | 0 | 576,224 | +576,224 | 0 | 21,746,694 | 2.90% | +21,746,694 |
| GREAT LAKES DREDGE & DOCK CO | 0 | 1,263,580 | +1,263,580 | 0 | 21,480,860 | 2.86% | +21,480,860 |
| ARCELLX INC COMMON STOCK | 0 | 183,409 | +183,409 | 0 | 21,059,022 | 2.81% | +21,059,022 |
| DAY ONE BIOPHARMACEUTICALS I COM | 0 | 944,247 | +944,247 | 0 | 20,244,656 | 2.70% | +20,244,656 |
| DAY ONE BIOPHARMACEUTICALS I(Put) PUT | 0 | 839,700 | +839,700 | 0 | 18,003,168 | — | +18,003,168 |
| JANUS HENDERSON GROUP PLC | 647,485 | 922,277 | +274,792 | 30,800,861 | 47,377,369 | 6.32% | +16,576,508 |
| STELLAR BANCORP INC | 0 | 431,231 | +431,231 | 0 | 15,787,367 | 2.10% | +15,787,367 |
| ELECTRONIC ARTS INC(EA) | 180,838 | 249,888 | +69,050 | 36,950,629 | 50,944,667 | 6.79% | +13,994,038 |
| ENHABIT INC COM | 0 | 984,611 | +984,611 | 0 | 13,873,170 | 1.85% | +13,873,170 |
| SILICON LABORATORIES INC(SLAB) | 0 | 58,417 | +58,417 | 0 | 12,159,499 | 1.62% | +12,159,499 |
| WARNER BROS DISCOVERY INC(WBD) | 1,139,634 | 1,617,020 | +477,386 | 32,844,252 | 44,403,369 | 5.92% | +11,559,117 |
| VERIS RESIDENTIAL INC | 0 | 597,390 | +597,390 | 0 | 11,272,750 | 1.50% | +11,272,750 |
| PEAKSTONE REALTY TRUST COMMON SHARES | 0 | 503,583 | +503,583 | 0 | 10,519,849 | 1.40% | +10,519,849 |
| TERNS PHARMACEUTICALS INC | 0 | 188,500 | +188,500 | 0 | 9,937,720 | 1.32% | +9,937,720 |
| TERNS PHARMACEUTICALS INC(Put) | 0 | 188,500 | +188,500 | 0 | 9,937,720 | — | +9,937,720 |
| SILICON LABORATORIES INC(SLAB)(Put) | 0 | 47,600 | +47,600 | 0 | 9,907,940 | — | +9,907,940 |
| KENNEDY-WILSON HOLDINGS INC | 0 | 825,652 | +825,652 | 0 | 8,933,555 | 1.19% | +8,933,555 |
| ZIM INTEGRATED SHIPPING SERV SHS | 0 | 331,800 | +331,800 | 0 | 8,742,930 | 1.17% | +8,742,930 |
| ZIM INTEGRATED SHIPPING SERV(Put) PUT | 0 | 331,800 | +331,800 | 0 | 8,742,930 | — | +8,742,930 |
| BANCO SANTANDER SA(SAN)(Call) | 0 | 681,700 | +681,700 | 0 | 7,689,576 | — | +7,689,576 |
| HOLOGIC INC | 467,742 | 560,045 | +92,303 | 34,842,102 | 42,333,801 | 5.64% | +7,491,699 |
| JANUS HENDERSON GROUP PLC(Put) | 12,000 | 154,300 | +142,300 | 570,840 | 7,926,391 | — | +7,355,551 |
| UNIFIRST CORP MASS(UNF) | 0 | 25,743 | +25,743 | 0 | 6,476,681 | 0.86% | +6,476,681 |
| DIGITALBRIDGE GROUP INC(DBRG) | 929,000 | 1,299,051 | +370,051 | 14,250,859 | 20,031,366 | 2.67% | +5,780,507 |
| TXNM ENERGY INC(TXNM) | 576,411 | 674,867 | +98,456 | 33,939,079 | 39,452,726 | 5.26% | +5,513,647 |
| APELLIS PHARMACEUTICALS INC COM | 0 | 120,500 | +120,500 | 0 | 4,847,715 | 0.65% | +4,847,715 |
| APELLIS PHARMACEUTICALS INC(Put) PUT | 0 | 120,500 | +120,500 | 0 | 4,847,715 | — | +4,847,715 |
| TXNM ENERGY INC(TXNM) | 0 | 0 | 0 | 4,038,275 | 8,098,750 | 1.08% | +4,060,475 |
| AXALTA COATING SYS LTD(AXTA)(Put) | 67,100 | 195,000 | +127,900 | 2,168,001 | 5,401,500 | — | +3,233,499 |
| AES CORP(AES) | 0 | 185,833 | +185,833 | 0 | 2,618,387 | 0.35% | +2,618,387 |
| ALLIED GOLD CORP(AAUC) | 0 | 72,785 | +72,785 | 0 | 2,255,310 | 0.30% | +2,255,310 |
| ONESTREAM INC CL A | 0 | 91,120 | +91,120 | 0 | 2,186,880 | 0.29% | +2,186,880 |
| NCR ATLEOS CORPORATION(NATL) | 0 | 38,939 | +38,939 | 0 | 1,696,962 | 0.23% | +1,696,962 |
| SELECT MED HLDGS CORP | 0 | 103,467 | +103,467 | 0 | 1,685,477 | 0.22% | +1,685,477 |
| THERMON GROUP HLDGS INC | 0 | 32,987 | +32,987 | 0 | 1,662,545 | 0.22% | +1,662,545 |
| SUN CTRY AIRLS HLDGS INC | 0 | 98,859 | +98,859 | 0 | 1,633,151 | 0.22% | +1,633,151 |
| CENTESSA PHARMACEUTICALS PLC | 0 | 41,000 | +41,000 | 0 | 1,628,520 | 0.22% | +1,628,520 |
| CENTESSA PHARMACEUTICALS PLC(Put) | 0 | 41,000 | +41,000 | 0 | 1,628,520 | — | +1,628,520 |
| BOEING CO(BA) | 0 | 7,234 | +7,234 | 0 | 1,439,783 | 0.19% | +1,439,783 |
| SUNOPTA INC COM | 0 | 196,514 | +196,514 | 0 | 1,273,411 | 0.17% | +1,273,411 |
| NORFOLK SOUTHN CORP(NSC) | 129,043 | 134,051 | +5,008 | 37,257,294 | 38,472,637 | 5.13% | +1,215,343 |
| NUTANIX INC(NTNX) | 0 | 0 | 0 | 3,376,528 | 4,514,886 | 0.60% | +1,138,358 |
| CLEAR CHANNEL OUTDOOR HLDGS(CCO) | 0 | 478,517 | +478,517 | 0 | 1,134,085 | 0.15% | +1,134,085 |
| IHS HOLDING LIMITED ORD SHS | 0 | 137,615 | +137,615 | 0 | 1,132,571 | 0.15% | +1,132,571 |
| TALKSPACE INC(TALK) | 0 | 216,158 | +216,158 | 0 | 1,118,618 | 0.15% | +1,118,618 |
| MISTER CAR WASH INC COM | 0 | 156,502 | +156,502 | 0 | 1,090,819 | 0.15% | +1,090,819 |
| COTERRA ENERGY INC | 0 | 27,292 | +27,292 | 0 | 959,041 | 0.13% | +959,041 |
| SKYWATER TECHNOLOGY INC(SKYT) | 0 | 34,536 | +34,536 | 0 | 946,632 | 0.13% | +946,632 |
| AMNEAL PHARMACEUTICALS INC(AMRX) | 0 | 68,400 | +68,400 | 0 | 850,212 | 0.11% | +850,212 |
| DICKS SPORTING GOODS INC(DKS) | 1,100 | 5,348 | +4,248 | 217,767 | 1,060,455 | 0.14% | +842,688 |
| CAESARS ENTERTAINMENT INC NE(CZR) | 0 | 29,500 | +29,500 | 0 | 779,685 | 0.10% | +779,685 |
| LAUDER ESTEE COS INC(EL) | 0 | 7,500 | +7,500 | 0 | 538,275 | 0.07% | +538,275 |
| PENN ENTERTAINMENT INC(PENN) | 0 | 35,000 | +35,000 | 0 | 526,050 | 0.07% | +526,050 |
| CALAVO GROWERS INC | 0 | 20,321 | +20,321 | 0 | 524,079 | 0.07% | +524,079 |
| NATHANS FAMOUS INC | 0 | 4,994 | +4,994 | 0 | 503,046 | 0.07% | +503,046 |
| ON24 INC COM | 0 | 60,364 | +60,364 | 0 | 488,948 | 0.07% | +488,948 |
| BLUE FOUNDRY BANCORP COM | 0 | 35,658 | +35,658 | 0 | 472,112 | 0.06% | +472,112 |
| ECHOSTAR CORP(ECHO) | 0 | 4,000 | +4,000 | 0 | 468,280 | 0.06% | +468,280 |
| FLUSHING FINL CORP | 0 | 30,161 | +30,161 | 0 | 463,273 | 0.06% | +463,273 |
| UNITED AIRLS HLDGS INC(UAL) | 0 | 5,000 | +5,000 | 0 | 460,350 | 0.06% | +460,350 |
| CHART INDS INC(GTLS) | 188,325 | 189,939 | +1,614 | 38,838,264 | 39,269,891 | 5.24% | +431,627 |
| ALASKA AIR GROUP INC | 0 | 10,265 | +10,265 | 0 | 377,547 | 0.05% | +377,547 |
| PACIFIC BIOSCIENCES CALIF IN | 0 | 272,040 | +272,040 | 0 | 359,093 | 0.05% | +359,093 |
| VICTORY CAP HLDGS INC DEL(VCTR) | 0 | 5,120 | +5,120 | 0 | 335,258 | 0.04% | +335,258 |
| VIKING THERAPEUTICS INC(VKTX) | 0 | 10,280 | +10,280 | 0 | 334,511 | 0.04% | +334,511 |
| UNITED PARCEL SVCS INC(UPS) | 0 | 2,520 | +2,520 | 0 | 247,918 | 0.03% | +247,918 |
| PAYPAL HLDGS INC(PYPL) | 0 | 5,124 | +5,124 | 0 | 231,759 | 0.03% | +231,759 |
| KENVUE INC(KVUE) | 690,191 | 700,600 | +10,409 | 11,905,796 | 12,078,345 | 1.61% | +172,549 |
| BRIGHTHOUSE FINL INC(BHF) | 28,841 | 33,490 | +4,649 | 1,868,608 | 2,005,381 | 0.27% | +136,773 |
| PROASSURANCE CORP | 46,992 | 51,103 | +4,111 | 1,135,327 | 1,263,266 | 0.17% | +127,939 |
| CSG SYS INTL INC NOTE | 0 | 0 | 0 | 5,967,049 | 6,091,111 | 0.81% | +124,062 |
| KENVUE INC(KVUE)(Put) | 695,000 | 700,600 | +5,600 | 11,988,750 | 12,078,344 | — | +89,594 |
| REDFIN CORP NOTE | 0 | 0 | 0 | 4,217,625 | 4,304,250 | 0.57% | +86,625 |
| HERITAGE COMM CORP | 33,924 | 37,992 | +4,068 | 407,427 | 474,140 | 0.06% | +66,713 |
| BENTLEY SYS INC(BSY) | 0 | 0 | 0 | 4,711,875 | 4,747,188 | 0.63% | +35,313 |
| DIAMOND HILL INVT GROUP INC COM NEW | 2,482 | 2,522 | +40 | 420,699 | 434,036 | 0.06% | +13,337 |
| FIRST FNDTN INC COM | 65,919 | 67,573 | +1,654 | 406,061 | 398,681 | 0.05% | -7,380 |
| NORTHWESTERN ENERGY GROUP IN(NWE) | 14,307 | 13,838 | -469 | 923,374 | 912,478 | 0.12% | -10,896 |
| HALOZYME THERAPEUTICS INC(HALO) | 0 | 0 | 0 | 3,235,000 | 3,111,250 | 0.41% | -123,750 |
| UDEMY INC | 135,922 | 139,335 | +3,413 | 795,144 | 643,728 | 0.09% | -151,416 |
| VARONIS SYS INC(VRNS) | 0 | 0 | 0 | 2,794,333 | 2,614,696 | 0.35% | -179,637 |
| CANTALOUPE INC | 131,794 | 107,867 | -23,927 | 1,399,652 | 1,166,042 | 0.16% | -233,610 |
| RAPID7 INC | 0 | 0 | 0 | 5,099,629 | 4,863,227 | 0.65% | -236,402 |
| First Savings Financial Group | 8,788 | 0 | -8,788 | 279,986 | 0 | — | -279,986 |
| TrueCar Inc | 173,620 | 0 | -173,620 | 392,381 | 0 | — | -392,381 |
| City Office REIT Inc | 61,498 | 0 | -61,498 | 429,871 | 0 | — | -429,871 |
| Soho House & Co Inc | 70,756 | 0 | -70,756 | 633,974 | 0 | — | -633,974 |
| Olympic Steel Inc | 16,293 | 0 | -16,293 | 697,096 | 0 | — | -697,096 |
| INTERNATIONAL MONEY EXPRESS | 88,476 | 33,122 | -55,354 | 1,358,991 | 523,328 | 0.07% | -835,663 |
| MidWestOne Financial Group Inc | 21,980 | 0 | -21,980 | 846,230 | 0 | — | -846,230 |
| AXALTA COATING SYS LTD(AXTA) | 205,722 | 206,902 | +1,180 | 6,646,878 | 5,731,185 | 0.76% | -915,693 |
| Anywhere Real Estate Inc(Call) | 71,100 | 0 | -71,100 | 1,006,776 | 0 | — | -1,006,776 |
| Anywhere Real Estate Inc(Put) | 71,100 | 0 | -71,100 | 1,006,776 | 0 | — | -1,006,776 |
| GLADSTONE CAP CORP | 0 | 0 | 0 | 1,985,577 | 967,746 | 0.13% | -1,017,831 |