Peter Muller's portfolio
In the Q2 2026 13F, filed August 14, 2026, PDT Partners reported 489 US stock positions worth $1.9B. The largest was Stellantis (STLA) at 1.8% of the portfolio. New positions: Stellantis (STLA), Intel (INTC) and McKesson (MCK). Added to: Tyson Foods (TSN) and Advanced Energy Industries (AEIS). 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
- StellantisSTLA$33M
- IntelINTC$19M
- McKessonMCK$17M
- Charles SchwabSCHW$16M
- IntuitINTU$12M
- AecomACM$12M
- Estee Lauder CompaniesEL$10M
- Forgent Power SolutionsFPS$9M
- AlconALC$8M
- Venture GlobalVG$7M
Added to
- Tyson FoodsTSN$27M
- Advanced Energy IndustriesAEIS$23M
- SharkNinjaSN$23M
- Suncor EnergySU$20M
- ChevronCVX$18M
- Southwest AirlinesLUV$18M
- Parker-HannifinPH$17M
- JabilJBL$16M
- Marvell Technology GroupMRVL$16M
- Solstice Advanced MaterialsSOLS$15M
Trimmed
- MKSMKSI$32M
- HumanaHUM$15M
- Mirum PharmaceuticalsMIRM$14M
- Moog Inc-Class AMOG/A$12M
- Sirius XM HoldingSIRI$12M
- Williams-SonomaWSM$12M
- Granite ConstructionGVA$11M
- VFVFC$10M
- Arcus BiosciencesRCUS$10M
- Paycom SoftwarePAYC$10M
Sold out
None this quarter.
Holdings
489 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 |
|---|---|---|---|---|
| StellantisSTLA | 1.75% | $33M | 5,868,356 | New |
| MKSMKSI | 1.69% | $32M | 72,347 | Trimmed |
| Tyson FoodsTSN | 1.42% | $27M | 472,518 | Added |
| Advanced Energy IndustriesAEIS | 1.22% | $23M | 62,188 | Added |
| SharkNinjaSN | 1.19% | $23M | 149,180 | Added |
| PBF EnergyPBF | 1.06% | $20M | 443,690 | Held |
| Suncor EnergySU | 1.06% | $20M | 374,452 | Added |
| Seagate Technology Hldngs Pl | 1.03% | $20M | 20,300 | Held |
| IntelINTC | 0.99% | $19M | 135,200 | New |
| ChevronCVX | 0.97% | $18M | 111,500 | Added |
| Southwest AirlinesLUV | 0.94% | $18M | 348,374 | Added |
| NVIDIANVDA | 0.89% | $17M | 84,800 | Held |
| Parker-HannifinPH | 0.88% | $17M | 17,120 | Added |
| McKessonMCK | 0.88% | $17M | 22,100 | New |
| Stifel Finl | 0.84% | $16M | 229,968 | Held |
| JabilJBL | 0.84% | $16M | 41,370 | Added |
| Charles SchwabSCHW | 0.83% | $16M | 172,200 | New |
| Marvell Technology GroupMRVL | 0.83% | $16M | 53,000 | Added |
| Delek Us Hldgs Inc New | 0.82% | $16M | 308,336 | Held |
| HumanaHUM | 0.79% | $15M | 37,718 | Trimmed |
| Solstice Advanced MaterialsSOLS | 0.78% | $15M | 168,082 | Added |
| RelianceRS | 0.77% | $15M | 39,417 | Added |
| Atkore InternationalATKR | 0.76% | $15M | 191,253 | Added |
| CVR EnergyCVI | 0.76% | $15M | 526,592 | Added |
| Nebius Group | 0.75% | $14M | 51,900 | Held |
| Mirum PharmaceuticalsMIRM | 0.75% | $14M | 122,041 | Trimmed |
| Logitech Intl S A | 0.75% | $14M | 151,987 | Held |
| Cheesecake FactoryCAKE | 0.72% | $14M | 172,778 | Held |
| Domino's PizzaDPZ | 0.72% | $14M | 46,354 | Added |
| InterparfumsIPAR | 0.70% | $13M | 119,601 | Added |
| CMECME | 0.70% | $13M | 60,000 | Held |
| FoxFOXA | 0.69% | $13M | 251,048 | Added |
| Trinity Inds | 0.65% | $12M | 359,270 | Held |
| Microchip TechnologyMCHP | 0.65% | $12M | 135,904 | Added |
| NikeNKE | 0.65% | $12M | 300,129 | Added |
| Moog Inc-Class AMOG/A | 0.65% | $12M | 28,991 | Trimmed |
| IntuitINTU | 0.63% | $12M | 46,200 | New |
| AecomACM | 0.63% | $12M | 172,729 | New |
| Sirius XM HoldingSIRI | 0.63% | $12M | 404,711 | Trimmed |
| Williams-SonomaWSM | 0.62% | $12M | 50,818 | Trimmed |
| Erie IndemnityERIE | 0.62% | $12M | 48,895 | Added |
| Lyondellbasell Industries Nv | 0.61% | $12M | 220,439 | Held |
| Best Buy Co.BBY | 0.60% | $11M | 151,472 | Added |
| Penske AutomotivePAG | 0.60% | $11M | 64,010 | Added |
| Granite ConstructionGVA | 0.60% | $11M | 72,265 | Trimmed |
| OlinOLN | 0.58% | $11M | 558,806 | Added |
| MasTecMTZ | 0.56% | $11M | 25,533 | Held |
| DanaDAN | 0.55% | $11M | 386,747 | Held |
| BGCBGC | 0.55% | $10M | 981,192 | Added |
| Tjx Cos Inc New | 0.55% | $10M | 69,196 | Held |
By sector
Share of the reported value.
Reported value over time
Total 13F value at each quarter end.
Questions
What stocks does Peter Muller own?
In the Q2 2026 13F, PDT Partners reported 489 US stock positions worth $1.9B. The largest: Stellantis (STLA) 1.8%, MKS (MKSI) 1.7%, Tyson Foods (TSN) 1.4%, Advanced Energy Industries (AEIS) 1.2%, SharkNinja (SN) 1.2%.
What did Peter Muller buy last quarter?
In Q2 2026: new position in Stellantis (STLA); new position in Intel (INTC); new position in McKesson (MCK); added to Tyson Foods (TSN); added to Advanced Energy Industries (AEIS); added to SharkNinja (SN).
What did Peter Muller sell last quarter?
In Q2 2026: cut MKS (MKSI); cut Humana (HUM); cut Mirum Pharmaceuticals (MIRM).
When is Peter Muller'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.