WATER ISLAND CAPITAL LLC
CIK: 0001222765SEC EDGAR →
Portfolio Value
$927.6M
Holdings
91
As of
Q4 2025
New Positions
49
Closed Positions
38
Portfolio Value History
Top 10 Holdings
| Rank | Stock | Shares | Value | % of Portfolio |
|---|---|---|---|---|
| 1 | Chart Industries Inc | 188,325 | $38.8M | 4.19% |
| 2 | CyberArk Software Ltd | 86,648 | $38.6M | 4.17% |
| 3 | Norfolk Southern Corp | 129,043 | $37.3M | 4.02% |
| 4 | Electronic Arts Inc | 180,838 | $37.0M | 3.98% |
| 5 | Exact Sciences Corp | 350,009 | $35.5M | 3.83% |
| 6 | Hologic Inc | 467,742 | $34.8M | 3.76% |
| 7 | Comerica Inc | 398,037 | $34.6M | 3.73% |
| 8 | TXNM Energy Inc | 576,411 | $33.9M | 3.66% |
| 9 | Cidara Therapeutics Inc | 150,708 | $33.3M | 3.59% |
| 10 | Warner Bros Discovery Inc | 1,139,634 | $32.8M | 3.54% |
Quarterly Changes
New Positions (61)
$35.5M · 350K shares
$34.8M · 468K shares
$34.6M · 398K shares
$33.3M · 151K shares
$32.8M · 1.1M shares
$30.8M · 647K shares
$23.4M · 1.1M shares
$23.2M · 559K shares
$21.1M · 876K shares
$19.4M · 640K shares
$17.0M · 25K shares
Cidara Therapeutics Inc
$17.0M · 77K shares
$14.3M · 929K shares
$12.8M · 985K shares
$12.7M · 298K shares
$12.7M · 399K shares
$12.2M · 559K shares
$12.2M · 169K shares
$12.1M · 168K shares
$12.0M · 695K shares
$11.9M · 690K shares
$11.6M · 151K shares
$10.1M · 707K shares
Hillenbrand Inc
$10.0M · 315K shares
$9.4M · 610K shares
$9.3M · 110K shares
$8.8M · 197K shares
$8.1M · 616K shares
$7.5M · 629K shares
$6.6M · 206K shares
$6.4M · 451K shares
$6.0M · 5.0M shares
$5.4M · 263K shares
$4.9M · 5.0M shares
$4.5M · 61K shares
$4.4M · 988K shares
$4.3M · 42K shares
$3.4M · 3.5M shares
$2.8M · 3.0M shares
$2.7M · 95K shares
$2.5M · 2.5M shares
$2.3M · 99K shares
$2.2M · 67K shares
$2.1M · 144K shares
$2.0M · 118K shares
$2.0M · 227K shares
$1.9M · 31K shares
$1.9M · 29K shares
$1.4M · 37K shares
$1.3M · 213K shares
Anywhere Real Estate Inc
$1.0M · 71K shares
$846K · 22K shares
$795K · 136K shares
$697K · 16K shares
$570K · 12K shares
$420K · 2K shares
$407K · 34K shares
$406K · 66K shares
$392K · 174K shares
$279K · 9K shares
$217K · 1K shares
Closed Positions (54)
$31.0M · 290K shares
$28.7M · 2.9M shares
$28.6M · 1.1M shares
$27.4M · 816K shares
$24.4M · 1.2M shares
$23.0M · 1.4M shares
WNS HLDGS LTD
$22.6M · 296K shares
SYNOVUS FINL CORP
$20.7M · 422K shares
$18.7M · 1.0M shares
$18.5M · 930K shares
$18.1M · 421K shares
$14.9M · 2.3M shares
$14.1M · 785K shares
$12.1M · 1.6M shares
$11.6M · 99K shares
$11.3M · 493K shares
$10.9M · 1.1M shares
$9.2M · 210K shares
Merus NV
$9.0M · 96K shares
$9.0M · 96K shares
VERONA PHARMA PLC
$9.0M · 84K shares
KELLANOVA
$8.9M · 109K shares
$8.0M · 1.6M shares
$7.7M · 278K shares
89BIO INC
$7.3M · 494K shares
$6.3M · 959K shares
$6.1M · 5.0M shares
$5.3M · 656K shares
$4.3M · 4.5M shares
$4.1M · 762K shares
$3.2M · 3.5M shares
$2.9M · 3.0M shares
$2.7M · 214K shares
$2.4M · 51K shares
$2.3M · 36K shares
$1.8M · 63K shares
$1.6M · 95K shares
$1.6M · 1.6M shares
$1.4M · 72K shares
MAC COPPER LIMITED
$1.3M · 103K shares
$1.2M · 8K shares
$1.2M · 18K shares
$1.0M · 1.0M shares
$980K · 19K shares
METSERA INC
$979K · 19K shares
$845K · 59K shares
$609K · 43K shares
$563K · 73K shares
$540K · 143K shares
$505K · 40K shares
$447K · 17K shares
$306K · 22K shares
$64K · 10K shares
$46K · 36K shares
Sector Breakdown
| Sector | # Holdings | Value | % |
|---|---|---|---|
| Unknown | 35 | $245.9M | 26.5% |
| Technology | 14 | $148.2M | 16.0% |
| Healthcare | 9 | $140.0M | 15.1% |
| Industrials | 4 | $107.9M | 11.6% |
| Communication Services | 4 | $95.4M | 10.3% |
| Financial Services | 8 | $52.7M | 5.7% |
| Utilities | 3 | $36.3M | 3.9% |
| Consumer Defensive | 6 | $33.3M | 3.6% |
| Basic Materials | 4 | $24.8M | 2.7% |
| Consumer Cyclical | 2 | $23.4M | 2.5% |
| Real Estate | 2 | $19.7M | 2.1% |