Matthew Halbower's portfolio
In the Q2 2026 13F, filed August 14, 2026, Pentwater Capital Management reported 59 US stock positions worth $12.5B. The largest was Electronic Arts (EA) at 22.1% of the portfolio. New positions: Roku (ROKU), Organon & Co (OGN) and Dominion Energy (D). Added to: Electronic Arts (EA) and Strive (SATS). The Q3 2026 13F is due by November 14, 2026.
What changed in Q2 2026
Compared with the previous 13F. Values are as reported at quarter end. How to read a 13F.
New positions
- RokuROKU$597M
- Organon & CoOGN$245M
- Dominion EnergyD$239M
- Apogee TherapeuticsAPGE$189M
- NuvalentNUVL$145M
- GlobalstarGSAT$110M
- ArcosaACA$96M
- Payoneer GlobalPAYO$70M
- Skywater TechnologySKYT$63M
- SPACE EXPLORATION TECHNOLOGIES CORPSPCX$39M
Added to
- Electronic ArtsEA$2.8B
- StriveSATS$392M
- TXNM EnergyTXNM$368M
- Caesars EntertainmentCZR$346M
- GeoGEO$313M
- DigitalbridgeDBRG$199M
- Silicon LaboratoriesSLAB$162M
- Tenet HealthcareTHC$143M
- Paramount SkydancePSKY$118M
- HCA HealthcareHCA$51M
Trimmed
- BoeingBA$1.3B
- Warner Bros DiscoveryWBD$1.3B
- KenvueKVUE$977M
- Norfolk SouthernNSC$873M
- Avis BudgetCAR$372M
- Teck ResourcesTECK$354M
- Surgery PartnersSGRY$195M
- CarnivalCCL$163M
- Spdr S&P 500 ETF TrustSPY$30M
- OracleORCL$13M
Sold out
None this quarter.
Holdings
59 US-listed positions in the Q2 2026 13F, largest first (top 50 shown; all of them in Investingly).
| Stock | % of portfolio | Value | Shares | Last quarter |
|---|---|---|---|---|
| Electronic ArtsEA | 22.07% | $2.8B | 13,475,000 | Added |
| BoeingBA | 10.72% | $1.3B | 6,200,000 | Trimmed |
| Warner Bros DiscoveryWBD | 10.13% | $1.3B | 47,576,000 | Trimmed |
| KenvueKVUE | 7.80% | $977M | 51,130,000 | Trimmed |
| Norfolk SouthernNSC | 6.97% | $873M | 2,775,000 | Trimmed |
| RokuROKU | 4.77% | $597M | 4,325,000 | New |
| StriveSATS | 3.13% | $392M | 3,860,000 | Added |
| Avis BudgetCAR | 2.97% | $372M | 2,513,300 | Trimmed |
| TXNM EnergyTXNM | 2.94% | $368M | 6,487,500 | Added |
| Teck ResourcesTECK | 2.83% | $354M | 5,960,000 | Trimmed |
| Caesars EntertainmentCZR | 2.76% | $346M | 11,465,000 | Added |
| GeoGEO | 2.50% | $313M | 10,582,000 | Added |
| Organon & CoOGN | 1.96% | $245M | 18,100,000 | New |
| Dominion EnergyD | 1.91% | $239M | 3,500,000 | New |
| DigitalbridgeDBRG | 1.59% | $199M | 12,600,000 | Added |
| Surgery PartnersSGRY | 1.56% | $195M | 11,630,000 | Trimmed |
| Apogee TherapeuticsAPGE | 1.51% | $189M | 1,425,000 | New |
| CarnivalCCL | 1.30% | $163M | 5,705,000 | Trimmed |
| Silicon LaboratoriesSLAB | 1.29% | $162M | 741,725 | Added |
| NuvalentNUVL | 1.16% | $145M | 1,175,000 | New |
| Tenet HealthcareTHC | 1.14% | $143M | 765,000 | Added |
| Paramount SkydancePSKY | 0.94% | $118M | 12,000,000 | Added |
| GlobalstarGSAT | 0.88% | $110M | 1,355,000 | New |
| ArcosaACA | 0.77% | $96M | 660,000 | New |
| Liberty Broadband Srs CLBRDK | 0.66% | $83M | 2,493,644 | Held |
| Payoneer GlobalPAYO | 0.56% | $70M | 9,888,410 | New |
| Skywater TechnologySKYT | 0.50% | $63M | 1,807,000 | New |
| HCA HealthcareHCA | 0.41% | $51M | 130,000 | Added |
| SPACE EXPLORATION TECHNOLOGIES CORPSPCX | 0.31% | $39M | 230,000 | New |
| Bio-TechneTECH | 0.28% | $35M | 500,000 | New |
| Spdr S&P 500 ETF TrustSPY | 0.24% | $30M | 40,000 | Trimmed |
| Axalta Coating Sys | 0.21% | $26M | 756,762 | Held |
| Micron TechnologyMU | 0.17% | $21M | 18,000 | New |
| Avanos MedicalAVNS | 0.15% | $19M | 750,000 | New |
| Core Scientific Inc New | 0.11% | $14M | 536,594 | Held |
| OracleORCL | 0.10% | $13M | 90,000 | Trimmed |
| SindaSIND | 0.08% | $10M | 800,000 | New |
| HumanaHUM | 0.06% | $8M | 19,000 | New |
| UnitedHealth GroupUNH | 0.06% | $7M | 17,758 | Trimmed |
| The AESAES | 0.06% | $7M | 500,000 | Held |
| Metals Royalty CompanyTMCR | 0.05% | $7M | 919,230 | New |
| Kraneshares Trust | 0.05% | $6M | 250,000 | Held |
| Sunshine Silver Mining & RefiningSSMR | 0.05% | $6M | 439,400 | New |
| GeneDx HoldingsWGS | 0.04% | $6M | 82,500 | New |
| Liberty Broadband Srs ALBRDA | 0.04% | $6M | 170,000 | Held |
| AMC EntertainmentAMC | 0.03% | $4M | 2,250,000 | Trimmed |
| Forgent Power SolutionsFPS | 0.03% | $4M | 65,000 | Trimmed |
| DauchDCH | 0.02% | $3M | 519,790 | Held |
| SYNAPTICSSYNA | 0.02% | $2M | 20,000 | New |
| Seaport TherapeuticsSPTX | 0.01% | $2M | 83,000 | New |
By sector
Share of the reported value.
Reported value over time
Total 13F value at each quarter end.
Questions
What stocks does Matthew Halbower own?
In the Q2 2026 13F, Pentwater Capital Management reported 59 US stock positions worth $12.5B. The largest: Electronic Arts (EA) 22.1%, Boeing (BA) 10.7%, Warner Bros Discovery (WBD) 10.1%, Kenvue (KVUE) 7.8%, Norfolk Southern (NSC) 7.0%.
What did Matthew Halbower buy last quarter?
In Q2 2026: new position in Roku (ROKU); new position in Organon & Co (OGN); new position in Dominion Energy (D); added to Electronic Arts (EA); added to Strive (SATS); added to TXNM Energy (TXNM).
What did Matthew Halbower sell last quarter?
In Q2 2026: cut Boeing (BA); cut Warner Bros Discovery (WBD); cut Kenvue (KVUE).
When is Matthew Halbower's next 13F?
13F filings are due 45 days after each quarter ends. The Q3 2026 filing is due by November 14, 2026.
More investors
13F filings list US-listed long positions (and some options) held at quarter end. They leave out short positions, cash, bonds and non-US holdings, and arrive up to 45 days after the quarter ends, so the investor may have traded since. Information only, not investment advice.