WATER ISLAND CAPITAL LLC
NEW YORK NY · SEC CIK 0001222765
$8.96亿2026Q1 申报市值
98持仓数
45.4%前十大占比 · 第一大 5.7%
58 / 50新建仓 / 清仓
26Q126Q2
前十大持仓 占组合比例
2026Q1 买入最多 按季末市值估算
PEN 新建仓+$3,943.56万
MASIMO CORP 新建仓+$3,454.18万
WEBSTER FINL COR 新建仓+$2,886.64万
TRI POINTE HOMES 新建仓+$2,506.44万
NATIONAL STORAGE 新建仓+$2,174.67万
2026Q1 卖出最多 按季末市值估算
CyberArk Softwar 清仓-$3,865.02万
Exact Sciences C 清仓-$3,554.69万
Comerica Inc 清仓-$3,460.14万
Cidara Therapeut 清仓-$3,328.99万
Avadel Pharmaceu 清仓-$2,342.74万
2026Q1 持仓明细 点表头排序 · 每页 100 行
导出 CSV 🔒| 代码 | 名称 | 市值 ▲ | 占比 | 股数 | 变动股数 | 变动 | 估算买卖额 | 操作 |
|---|---|---|---|---|---|---|---|---|
| — | CLEARWATER ANALYTICS HLDGS I | $259.18万 | 0.29% | 109,589 | -766,043 | -87.5% | -$1,811.69万 | 减仓 |
| — | VARONIS SYS INC | $261.47万 | 0.29% | 3,000,000 | 0 | 0.0% | — | 不变 |
| AES | AES CORP | $261.84万 | 0.29% | 185,833 | 185,833 | — | $261.84万 | 新建仓 |
| HALO | HALOZYME THERAPEUTICS INC | $311.12万 | 0.35% | 3,000,000 | 0 | 0.0% | — | 不变 |
| — | REDFIN CORP | $430.43万 | 0.48% | 4,500,000 | 0 | 0.0% | — | 不变 |
| NTNX | NUTANIX INC | $451.49万 | 0.50% | 5,000,000 | 1,500,000 | 42.9% | $135.45万 | 加仓 |
| — | BENTLEY SYS INC | $474.72万 | 0.53% | 5,000,000 | 0 | 0.0% | — | 不变 |
| — | AIR LEASE CORP | $474.91万 | 0.53% | 73,131 | -225,309 | -75.5% | -$1,463.16万 | 减仓 |
| — | APELLIS PHARMACEUTICALS INC 看跌期权 | $484.77万 | 0.54% | 120,500 | 120,500 | — | $484.77万 | 新建仓 |
| — | APELLIS PHARMACEUTICALS INC | $484.77万 | 0.54% | 120,500 | 120,500 | — | $484.77万 | 新建仓 |
| RPD | RAPID7 INC | $486.32万 | 0.54% | 5,501,530 | 0 | 0.0% | — | 不变 |
| — | AXALTA COATING SYS LTD 看跌期权 | $540.15万 | 0.60% | 195,000 | 127,900 | 190.6% | $354.28万 | 加仓 |
| AXTA | AXALTA COATING SYS LTD | $573.12万 | 0.64% | 206,902 | 1,180 | 0.6% | $3.27万 | 加仓 |
| — | CSG SYS INTL INC | $609.11万 | 0.68% | 5,000,000 | 0 | 0.0% | — | 不变 |
| UNF | UNIFIRST CORP MASS | $647.67万 | 0.72% | 25,743 | 25,743 | — | $647.67万 | 新建仓 |
| — | BANCO SANTANDER SA 看涨期权 | $768.96万 | 0.86% | 681,700 | 681,700 | — | $768.96万 | 新建仓 |
| — | JANUS HENDERSON GROUP PLC 看跌期权 | $792.64万 | 0.88% | 154,300 | 142,300 | 1,185.8% | $731.00万 | 加仓 |
| TXNM | TXNM ENERGY INC | $809.88万 | 0.90% | 6,000,000 | 3,000,000 | 100.0% | $404.94万 | 加仓 |
| — | ZIM INTEGRATED SHIPPING SERV 看跌期权 | $874.29万 | 0.98% | 331,800 | 331,800 | — | $874.29万 | 新建仓 |
| ZIM | ZIM INTEGRATED SHIPPING SERV | $874.29万 | 0.98% | 331,800 | 331,800 | — | $874.29万 | 新建仓 |
| — | KENNEDY-WILSON HOLDINGS INC | $893.36万 | 1.00% | 825,652 | 825,652 | — | $893.36万 | 新建仓 |
| — | SILICON LABORATORIES INC 看跌期权 | $990.79万 | 1.11% | 47,600 | 47,600 | — | $990.79万 | 新建仓 |
| — | TERNS PHARMACEUTICALS INC 看跌期权 | $993.77万 | 1.11% | 188,500 | 188,500 | — | $993.77万 | 新建仓 |
| — | TERNS PHARMACEUTICALS INC | $993.77万 | 1.11% | 188,500 | 188,500 | — | $993.77万 | 新建仓 |
| — | PEAKSTONE REALTY TRUST | $1,051.98万 | 1.17% | 503,583 | 503,583 | — | $1,051.98万 | 新建仓 |
| — | VERIS RESIDENTIAL INC | $1,127.28万 | 1.26% | 597,390 | 597,390 | — | $1,127.28万 | 新建仓 |
| — | KENVUE INC 看跌期权 | $1,207.83万 | 1.35% | 700,600 | 5,600 | 0.8% | $9.65万 | 加仓 |
| KVUE | KENVUE INC | $1,207.83万 | 1.35% | 700,600 | 10,409 | 1.5% | $17.95万 | 加仓 |
| SLAB | SILICON LABORATORIES INC | $1,215.95万 | 1.36% | 58,417 | 58,417 | — | $1,215.95万 | 新建仓 |
| — | ENHABIT INC | $1,387.32万 | 1.55% | 984,611 | 984,611 | — | $1,387.32万 | 新建仓 |
| — | STELLAR BANCORP INC | $1,578.74万 | 1.76% | 431,231 | 431,231 | — | $1,578.74万 | 新建仓 |
| — | DAY ONE BIOPHARMACEUTICALS I 看跌期权 | $1,800.32万 | 2.01% | 839,700 | 839,700 | — | $1,800.32万 | 新建仓 |
| — | DIGITALBRIDGE GROUP INC | $2,003.14万 | 2.24% | 1,299,051 | 370,051 | 39.8% | $570.62万 | 加仓 |
| — | DAY ONE BIOPHARMACEUTICALS I | $2,024.47万 | 2.26% | 944,247 | 944,247 | — | $2,024.47万 | 新建仓 |
| — | ARCELLX INC | $2,105.90万 | 2.35% | 183,409 | 183,409 | — | $2,105.90万 | 新建仓 |
| — | GREAT LAKES DREDGE & DOCK CO | $2,148.09万 | 2.40% | 1,263,580 | 1,263,580 | — | $2,148.09万 | 新建仓 |
| — | NATIONAL STORAGE AFFILIATES | $2,174.67万 | 2.43% | 576,224 | 576,224 | — | $2,174.67万 | 新建仓 |
| — | TRI POINTE HOMES INC | $2,506.44万 | 2.80% | 536,367 | 536,367 | — | $2,506.44万 | 新建仓 |
| — | WARNER BROS DISCOVERY INC 看跌期权 | $2,881.93万 | 3.22% | 1,049,500 | 954,600 | 1,005.9% | $2,621.33万 | 加仓 |
| — | WEBSTER FINL CORP | $2,886.64万 | 3.22% | 415,823 | 415,823 | — | $2,886.64万 | 新建仓 |
| — | ELECTRONIC ARTS INC 看跌期权 | $3,053.97万 | 3.41% | 149,800 | 149,800 | — | $3,053.97万 | 新建仓 |
| — | MASIMO CORP | $3,454.18万 | 3.86% | 194,197 | 194,197 | — | $3,454.18万 | 新建仓 |
| NSC | NORFOLK SOUTHN CORP | $3,847.26万 | 4.30% | 134,051 | 5,008 | 3.9% | $143.73万 | 加仓 |
| — | CHART INDS INC | $3,926.99万 | 4.38% | 189,939 | 1,614 | 0.9% | $33.37万 | 加仓 |
| PEN | PENUMBRA INC | $3,943.56万 | 4.40% | 120,095 | 120,095 | — | $3,943.56万 | 新建仓 |
| TXNM | TXNM ENERGY INC | $3,945.27万 | 4.40% | 674,867 | 98,456 | 17.1% | $575.57万 | 加仓 |
| — | HOLOGIC INC | $4,233.38万 | 4.73% | 560,045 | 92,303 | 19.7% | $697.72万 | 加仓 |
| — | WARNER BROS DISCOVERY INC | $4,440.34万 | 4.96% | 1,617,020 | 477,386 | 41.9% | $1,310.90万 | 加仓 |
| — | JANUS HENDERSON GROUP PLC | $4,737.74万 | 5.29% | 922,277 | 274,792 | 42.4% | $1,411.61万 | 加仓 |
| — | ELECTRONIC ARTS INC | $5,094.47万 | 5.69% | 249,888 | 69,050 | 38.2% | $1,407.72万 | 加仓 |