1y return+43.6%S&P 500 +20.9%
3y return+103.8%S&P 500 +68.5%
These returns are for its stock picks as disclosed on Form 13F: last quarter's holdings, valued at this quarter's prices. They miss trades within each quarter, short positions, options, bonds, cash and fees, so they aren't the returns its clients got.
$100 invested in its stock picks
Since December 31, 2021: $171 against $157 in the S&P 500.2
Pinnbrook Capital Management LPS&P 500 (SPY)
Top holdings
At the end of June 30, 2026. Change is in shares since the quarter before.2
| Stock | Value | Share of portfolio | Change |
|---|---|---|---|
| CSXCsx Corp | $44.7M | 7.4% | +1156.7% |
| KGSKodiak Gas Svcs Inc | $29.4M | 4.9% | +124.1% |
| JBLJabil Inc | $22.7M | 3.8% | +167.2% |
| NTRANatera Inc | $18.8M | 3.1% | New |
| WABWabtec | $18.6M | 3.1% | +760.0% |
| PWRQuanta Svcs Inc | $17.1M | 2.8% | New |
| TKRTimken Co | $16.5M | 2.7% | New |
| ATIAti Inc | $16.2M | 2.7% | +1089.6% |
| TXNTexas Instrs Inc | $15.0M | 2.5% | New |
| ARMKAramark | $14.7M | 2.4% | New |
| DTMDt Midstream Inc | $14.2M | 2.4% | New |
| Seagate Technology Hldngs PlCUSIP G7997R103 | $13.4M | 2.2% | +432.3% |
| PFGCPerformance Food Group Co | $12.9M | 2.1% | New |
| WDCWestern Digital Corp | $12.3M | 2.0% | +46.1% |
| MTZMastec Inc | $11.3M | 1.9% | −24.7% |
| DBAInvesco Db Multi-sector Comm | $11.2M | 1.9% | New |
| Viking Holdings LtdCUSIP G93A5A101 | $10.0M | 1.7% | +533.3% |
| KNXKnight-swift Transn Hldgs In | $9.9M | 1.7% | New |
| STMStmicroelectronics N V | $9.8M | 1.6% | New |
| GOOGLAlphabet Inc | $9.1M | 1.5% | New |
| HWMHowmet Aerospace Inc | $9.0M | 1.5% | New |
| SPHRSphere Entertainment Co | $8.9M | 1.5% | +19.6% |
| Nvent Elec PLCCUSIP G6700G107 | $8.8M | 1.5% | +206.5% |
| MATXMatson Inc | $8.8M | 1.5% | +409.0% |
| Technipfmc PLCCUSIP G87110105 | $8.6M | 1.4% | +192.6% |
Best picks still held
How each current holding has done since the quarter it first appeared in its filings (up to six years back).
| Stock | Held since | Return since | Now worth |
|---|---|---|---|
| WDCWestern Digital Corp | September 30, 2025 | +432.0% | $12.3M |
| SPHRSphere Entertainment Co | September 30, 2025 | +178.5% | $8.9M |
| Seagate Technology Hldngs PlCUSIP G7997R103 | March 31, 2026 | +146.3% | $13.4M |
| MTZMastec Inc | June 30, 2025 | +144.1% | $11.3M |
| Technipfmc PLCCUSIP G87110105 | December 31, 2024 | +129.1% | $8.6M |
| Viking Holdings LtdCUSIP G93A5A101 | June 30, 2025 | +96.4% | $10.0M |
| JBLJabil Inc | March 31, 2026 | +45.1% | $22.7M |
| Nvent Elec PLCCUSIP G6700G107 | March 31, 2026 | +43.4% | $8.8M |
| ATIAti Inc | March 31, 2026 | +35.5% | $16.2M |
| KGSKodiak Gas Svcs Inc | March 31, 2026 | +28.8% | $29.4M |
Sold off last quarter
- SLBSlb Limited was $6.2M
- LRCXLam Research Corp was $6.0M
- DVNDevon Energy Corp New was $6.0M
- MRKMerck & Co Inc was $5.5M
- Linde PLCCUSIP G54950103 was $5.0M
- AMATApplied Matls Inc was $5.0M
- PRPermian Resources Corp was $4.2M
- TJXTjx Cos Inc New was $3.1M
- BWXTBwx Technologies Inc was $2.7M
- FIVEFive Below Inc was $2.6M
Quarter by quarter
| Quarter | Its picks | S&P 500 |
|---|---|---|
| June 30, 2026 | +27.1% | +14.8% |
| March 31, 2026 | +5.2% | −4.6% |
| December 31, 2025 | +1.6% | +2.4% |
| September 30, 2025 | +5.6% | +7.8% |
| June 30, 2025 | +10.8% | +10.5% |
| March 31, 2025 | −6.6% | −4.6% |
| December 31, 2024 | +1.8% | +2.1% |
| September 30, 2024 | +10.1% | +5.4% |
| June 30, 2024 | +1.2% | +4.0% |
| March 31, 2024 | +14.1% | +10.0% |
| December 31, 2023 | +7.6% | +11.2% |
| September 30, 2023 | −1.5% | −3.6% |
| June 30, 2023 | +8.9% | +8.3% |
| March 31, 2023 | +7.0% | +7.0% |
| December 31, 2022 | +5.4% | +7.1% |
| September 30, 2022 | −5.2% | −5.3% |
| June 30, 2022 | −19.6% | −16.5% |
| March 31, 2022 | −10.2% | −4.9% |
Sources
Every number on this page points here. Each one links to the public record.
- 1SEC EDGAR: Pinnbrook Capital Management LP Form 13F filingshttps://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1856103&type=13F-HR&dateb=&owner=include&count=40CIK 1856103
- 2SEC: 13F for the quarter ended June 30, 2026https://www.sec.gov/Archives/edgar/data/1856103/000185610326000005/Filed August 12, 2026 · accession 0001856103-26-000005