Institutional Fund
Water Island Capital LLC
New York, NYCIK 12227655 filings on record
Portfolio Value
$710.81M
Q1 2026
Holdings
77
Reported positions
New Buys
51
Opened this quarter
QoQ Change
-7.2%
from $765.80M
Portfolio Value Trend
Reported 13F value by quarter
Portfolio value trend — upgrade to see history
UpgradeTop Allocations
Largest positions by weight
- Electronic Arts Inc7.2%
- Janus Henderson Group PLC6.7%
- Warner Bros Discovery Inc6.2%
- Hologic Inc6.0%
- Txnm Energy Inc5.6%
- Penumbra Inc5.5%
- Other62.9%
Portfolio Holdings
77 positions · Q1 2026
| # | Security | Shares | Value | % Port. | Δ Shares | Activity |
|---|---|---|---|---|---|---|
| 1 | Electronic Arts Inc | 249.9K | $50.94M | 7.2% | +69.0K | Added |
| 2 | Janus Henderson Group PLC | 922.3K | $47.38M | 6.7% | +274.8K | Added |
| 3 | Warner Bros Discovery Inc | 1.62M | $44.40M | 6.2% | +477.4K | Added |
| 4 | Hologic Inc | 560.0K | $42.33M | 6.0% | +92.3K | Added |
| 5 | Txnm Energy Inc | 674.9K | $39.45M | 5.6% | +98.5K | Added |
| 6 | Penumbra Inc | 120.1K | $39.44M | 5.5% | +120.1K | New |
| 7 | Chart Inds Inc | 189.9K | $39.27M | 5.5% | +1.6K | Added |
| 8 | Norfolk Southn Corp | 134.1K | $38.47M | 5.4% | +5.0K | Added |
| 9 | Masimo Corp | 194.2K | $34.54M | 4.9% | +194.2K | New |
| 10 | Webster Finl Corp | 415.8K | $28.87M | 4.1% | +415.8K | New |
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