Water Island Capital
Water Island Capital reported 68 stocks worth $906M in its 13F filing for Q2 2026, filed Aug 14, 2026. Its largest holdings are Taylor Morrison Home Corp (5.8%), Electronic Arts Inc (5.7%) and Chart Inds Inc (5.5%). Compared with Q1 2026, the fund opened new positions in RAMP, D and ACA, added to PEN, NSC and TXNM, trimmed KVUE, AXTA and AES and sold out of GLDD, PKST and ZIM.
Holdings
| # | Stock | Value | Weight | Shares | Change | Shares, 8 qtrs | Held |
|---|---|---|---|---|---|---|---|
| 1 | TAYLOR MORRISON HOME CORP | $52.2M | 5.8% | 727K | New position | 1 of 8 | |
| 2 | ELECTRONIC ARTS INC | $51.9M | 5.7% | 253K | +3,044 (+1%) | 4 of 8 | |
| 3 | CHART INDS INC | $49.6M | 5.5% | 238K | +48K (+25%) | 4 of 8 | |
| 4 |  PEN Penumbra Inc | $47.5M | 5.2% | 150K | +30K (+25%) | 2 of 8 | |
| 5 | WARNER BROS DISCOVERY IN | $46.4M | 5.1% | 1.7M | +123K (+8%) | 3 of 8 | |
| 6 | JANUS HENDERSON GROUP PLC | $46.3M | 5.1% | 891K | −31K (−3%) | 3 of 8 | |
| 7 |  NSC Norfolk Southn Corp | $46M | 5.1% | 146K | +12K (+9%) | 4 of 8 | |
| 8 |  TXNM Txnm Energy Inc | $41.9M | 4.6% | 738K | +63K (+9%) | 5 of 8 | |
| 9 |  CZR Caesars Entertainment Inc NE | $39.6M | 4.4% | 1.3M | +1.3M (+4351%) | 2 of 8 | |
| 10 | WEBSTER FINL CORP | $33.4M | 3.7% | 437K | +21K (+5%) | 2 of 8 |
Positions at Jun 30, 2026, as reported. Change is against the fund's Q1 2026 filing; weight is the share of the fund's reported stocks.
Sold out
held in Q1 2026, gone in Q2 2026| Stock | Value last quarter | Shares sold |
|---|---|---|
HOLOGIC INC | $42.3M | 560K |
MASIMO CORP | $34.5M | 194K |
TRI POINTE HOMES INC | $25.1M | 536K |
 GLDD GREAT LAKES DREDGE & DOCK CO | $21.5M | 1.3M |
ARCELLX INC | $21.1M | 183K |
🔒 Free account: see all 30.
Options
valued at the underlying shares| Stock | Type | Value | Shares | Change |
|---|---|---|---|---|
Warner Bros Discovery Inc | Put | $40.7M | 1.5M | +475,700 |
 SPY Spdr S&P 500 ETF TR | Call | $33.6M | 45K | +45,000 |
 OGN Organon & Co | Put | $13.2M | 974K | +974,200 |
SPY Spdr S&P 500 ETF TR | Put | $11.2M | 15K | +15,000 |
NUVALENT INC | Put | $10.4M | 84K | +84,000 |
🔒 Free account: see all 10.
Reported value
last 8 quartersThe value of the US stocks the fund reported, at quarter end prices. It moves with the market as well as with buying and selling.
Filings for Q2 2026
straight from the SEC| Filed | Form | Quarter | |
|---|---|---|---|
| Aug 14, 2026 | 13F-HR | Q2 2026 | SEC filing ↗ |
Other superinvestors
All hedge fund holdings →Water Island Capital 13F FAQ
What does Water Island Capital own?
Water Island Capital reported 68 stocks worth $906M in its 13F filing for Q2 2026, filed Aug 14, 2026. Its largest holdings are Taylor Morrison Home Corp (5.8%), Electronic Arts Inc (5.7%) and Chart Inds Inc (5.5%). The table above lists every position in the filing (the top 10 without an account).
What did Water Island Capital buy and sell in Q2 2026?
Compared with Q1 2026: 33 new positions, 22 added to, 13 trimmed and 42 sold out. New positions include RAMP, D and ACA. It sold all of GLDD, PKST and ZIM.
When will Water Island Capital file its next 13F?
Holdings as of Sep 30, 2026 are due by Nov 16, 2026. The filing appears on this page within minutes of reaching the SEC.
How much is Water Island Capital's portfolio worth?
The Q2 2026 filing reports $906M in US stocks ($1B including options). That leaves out cash, bonds, short positions and most foreign holdings, so the fund's total assets are usually larger.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Holdings come from the fund's SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. The fund may have changed its positions since. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.