SEC EDGAR Form 13F
Pentwater Capital Management
Pentwater Capital Management is an event-driven and merger-arbitrage investment manager associated with Matthew Halbower.
Latest Form 13F: 810 long U.S. equity positions, $55.6B reported value for the period ended Jun 30, 2026, led by ELECTRONIC ARTS INC, BOEING CO, and WARNER BROS DISCOVERY INC.
CIK: 1425851 · Filed: Aug 14, 2026 · Period: Jun 30, 2026
Reported value
$55.6B
Positions
810
Key person
Matthew Halbower
Style
Event-driven / merger arbitrage
Top holding
EA · ELECTRONIC ARTS INC
Period
Jun 30, 2026
Filed
Aug 14, 2026
CIK
1425851
What a 13F does not show
Form 13F covers many reportable long U.S. equity positions at quarter end. It does not show every asset type, short positions, hedges, intraperiod trades, or current holdings after the report date. Use it as ownership context, not investment advice.
Read the 13F guide →EA
ELECTRONIC ARTS INC
Portfolio weight
16.90%
BA
BOEING CO
Portfolio weight
13.80%
WBD
WARNER BROS DISCOVERY INC
Portfolio weight
8.55%
SPY
STATE STR SPDR S&P 500 ETF T
Portfolio weight
6.68%
KVUE
KENVUE INC
Portfolio weight
5.98%
Top reported holdings
Showing the top 50 positions by reported value. Source: SEC EDGAR Form 13F; period 2026-06-30; filed 2026-08-14.
| # | Ticker | Company | Shares | Value | Portfolio % | QoQ change |
|---|---|---|---|---|---|---|
| 1 | EA | ELECTRONIC ARTS INC | 13.5M | $2.8B | 16.90% | +5.2% |
| 2 | BA | BOEING CO | 10.4M | $2.3B | 13.80% | -14.3% |
| 3 | WBD | WARNER BROS DISCOVERY INC | 52.4M | $1.4B | 8.55% | -4.9% |
| 4 | SPY | STATE STR SPDR S&P 500 ETF T | 1.5M | $1.1B | 6.68% | -59.3% |
| 5 | KVUE | KENVUE INC | 51.1M | $977M | 5.98% | -9.7% |
| 6 | UNH | UNITEDHEALTH GROUP INC | 2.2M | $922M | 5.64% | -44.5% |
| 7 | NSC | NORFOLK SOUTHN CORP | 2.9M | $905M | 5.54% | -13.4% |
| 8 | ROKU | ROKU INC | 4.3M | $597M | 3.65% | -- |
| 9 | SATS | ECHOSTAR CORP | 4.7M | $477M | 2.92% | +85.8% |
| 10 | CAR | AVIS BUDGET GROUP INC | 2.5M | $372M | 2.27% | -67.9% |
| 11 | TXNM | TXNM ENERGY INC | 6.5M | $368M | 2.25% | +131.7% |
| 12 | TECK | TECK RESOURCES LTD | 6.0M | $354M | 2.17% | -14.4% |
| 13 | CZR | CAESARS ENTERTAINMENT INC NE | 11.5M | $346M | 2.12% | +332.6% |
| 14 | GEO | GEO GROUP INC | 10.6M | $313M | 1.91% | +10.1% |
| 15 | -- | CARNIVAL CORP LTD | 8.7M | $247M | 1.51% | -- |
| 16 | -- | CARNIVAL CORP LTD | 8.7M | $247M | 1.51% | -- |
| 17 | -- | CARNIVAL CORP LTD | 8.7M | $247M | 1.51% | -- |
| 18 | -- | CARNIVAL CORP LTD | 8.7M | $247M | 1.51% | -- |
| 19 | -- | CARNIVAL CORP LTD | 8.7M | $247M | 1.51% | -- |
| 20 | -- | CARNIVAL CORP LTD | 8.7M | $247M | 1.51% | -- |
| 21 | -- | CARNIVAL CORP LTD | 8.7M | $247M | 1.51% | -- |
| 22 | -- | CARNIVAL CORP LTD | 8.7M | $247M | 1.51% | -- |
| 23 | -- | CARNIVAL CORP LTD | 8.7M | $247M | 1.51% | -- |
| 24 | -- | CARNIVAL CORP LTD | 8.7M | $247M | 1.51% | -- |
| 25 | -- | CARNIVAL CORP LTD | 8.7M | $247M | 1.51% | -- |
| 26 | -- | CARNIVAL CORP LTD | 8.7M | $247M | 1.51% | -- |
| 27 | -- | CARNIVAL CORP LTD | 8.7M | $247M | 1.51% | -- |
| 28 | -- | CARNIVAL CORP LTD | 8.7M | $247M | 1.51% | -- |
| 29 | -- | CARNIVAL CORP LTD | 8.7M | $247M | 1.51% | -- |
| 30 | -- | CARNIVAL CORP LTD | 8.7M | $247M | 1.51% | -- |
| 31 | -- | CARNIVAL CORP LTD | 8.7M | $247M | 1.51% | -- |
| 32 | -- | CARNIVAL CORP LTD | 8.7M | $247M | 1.51% | -- |
| 33 | -- | CARNIVAL CORP LTD | 8.7M | $247M | 1.51% | -- |
| 34 | -- | CARNIVAL CORP LTD | 8.7M | $247M | 1.51% | -- |
| 35 | -- | CARNIVAL CORP LTD | 8.7M | $247M | 1.51% | -- |
| 36 | -- | CARNIVAL CORP LTD | 8.7M | $247M | 1.51% | -- |
| 37 | -- | CARNIVAL CORP LTD | 8.7M | $247M | 1.51% | -- |
| 38 | -- | CARNIVAL CORP LTD | 8.7M | $247M | 1.51% | -- |
| 39 | -- | CARNIVAL CORP LTD | 8.7M | $247M | 1.51% | -- |
| 40 | -- | CARNIVAL CORP LTD | 8.7M | $247M | 1.51% | -- |
| 41 | -- | CARNIVAL CORP LTD | 8.7M | $247M | 1.51% | -- |
| 42 | -- | CARNIVAL CORP LTD | 8.7M | $247M | 1.51% | -- |
| 43 | -- | CARNIVAL CORP LTD | 8.7M | $247M | 1.51% | -- |
| 44 | -- | CARNIVAL CORP LTD | 8.7M | $247M | 1.51% | -- |
| 45 | -- | CARNIVAL CORP LTD | 8.7M | $247M | 1.51% | -- |
| 46 | -- | CARNIVAL CORP LTD | 8.7M | $247M | 1.51% | -- |
| 47 | -- | CARNIVAL CORP LTD | 8.7M | $247M | 1.51% | -- |
| 48 | -- | CARNIVAL CORP LTD | 8.7M | $247M | 1.51% | -- |
| 49 | -- | CARNIVAL CORP LTD | 8.7M | $247M | 1.51% | -- |
| 50 | -- | CARNIVAL CORP LTD | 8.7M | $247M | 1.51% | -- |
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