1y return+99.4%S&P 500 +20.9%
3y return+146.0%S&P 500 +68.5%
5y return+236.5%S&P 500 +74.5%
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 March 31, 2020: $880 against $290 in the S&P 500.2
Arosa 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 |
|---|---|---|---|
| VICRVicor Corp | $47.5M | 41.4% | −20.1% |
| MPWRMonolithic Pwr Sys Inc | $16.6M | 14.5% | +166.7% |
| POWIPower Integrations Inc | $10.5M | 9.1% | New |
| QQnity Electronics Inc | $8.2M | 7.1% | New |
| WMBWilliams Cos Inc | $4.5M | 3.9% | −20.0% |
| BWBabcock & Wilcox Enterprises | $3.9M | 3.4% | −52.2% |
| ROGRogers Corp | $3.6M | 3.1% | −49.6% |
| CEVACeva Inc | $3.3M | 2.9% | New |
| SEISolaris Energy Infras Inc | $3.2M | 2.8% | −33.3% |
| Ambarella IncCUSIP G037AX101 | $3.0M | 2.6% | New |
| Flex LtdCUSIP Y2573F102 | $1.6M | 1.4% | New |
| AXTIAxt Inc | $1.3M | 1.1% | −79.4% |
| MTRNMaterion Corp | $1.2M | 1.0% | −84.0% |
| EOSEEos Energy Enterprises Inc | $1.2M | 1.0% | −72.5% |
| KULRKulr Technology Group Inc | $1.1M | 1.0% | |
| NEOVNeovolta Inc | $1.0M | 0.9% | New |
| Alpha & Omega SemiconductorCUSIP G6331P104 | $710K | 0.6% | −50.0% |
| TGENTecogen Inc New | $652K | 0.6% | −64.3% |
| IMSRWTerrestrial Energy Inc | $592K | 0.5% | |
| NUCLWEagle Nuclear Energy Corp | $566K | 0.5% | −48.0% |
| GWHTEss Tech Inc | $522K | 0.5% | −39.6% |
| NPWR/WSNet Power Inc | $31K | 0.0% |
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 |
|---|---|---|---|
| VICRVicor Corp | December 31, 2025 | +246.5% | $47.5M |
| Alpha & Omega SemiconductorCUSIP G6331P104 | December 31, 2025 | +138.9% | $710K |
| MTRNMaterion Corp | March 31, 2026 | +105.6% | $1.2M |
| IMSRWTerrestrial Energy Inc | December 31, 2025 | +59.4% | $592K |
| ROGRogers Corp | March 31, 2026 | +52.5% | $3.6M |
| SEISolaris Energy Infras Inc | March 31, 2026 | +42.4% | $3.2M |
| KULRKulr Technology Group Inc | December 31, 2025 | +28.7% | $1.1M |
| MPWRMonolithic Pwr Sys Inc | March 31, 2026 | +26.4% | $16.6M |
| WMBWilliams Cos Inc | March 31, 2025 | +24.4% | $4.5M |
| NUCLWEagle Nuclear Energy Corp | March 31, 2026 | +4.3% | $566K |
Sold off last quarter
- ECGEverus Constr Group was $10.4M
- CCJCameco Corp was $7.1M
- NXTNextpower Inc was $6.0M
- FSLRFirst Solar Inc was $6.0M
- PWRQuanta Svcs Inc was $5.2M
- MTZMastec Inc was $4.8M
- STRLSterling Infrastructure Inc was $3.3M
- EEni Spa was $3.1M
- BEBloom Energy Corp was $2.9M
- UUUUEnergy Fuels Inc was $2.8M
Quarter by quarter
| Quarter | Its picks | S&P 500 |
|---|---|---|
| June 30, 2026 | +48.1% | +14.8% |
| March 31, 2026 | +17.8% | −4.6% |
| December 31, 2025 | −2.1% | +2.4% |
| September 30, 2025 | +16.8% | +7.8% |
| June 30, 2025 | +42.9% | +10.5% |
| March 31, 2025 | −11.9% | −4.6% |
| December 31, 2024 | +2.0% | +2.1% |
| September 30, 2024 | +11.2% | +5.4% |
| June 30, 2024 | −3.2% | +4.0% |
| March 31, 2024 | +0.4% | +10.0% |
| December 31, 2023 | +2.0% | +11.2% |
| September 30, 2023 | −12.9% | −3.6% |
| June 30, 2023 | +3.6% | +8.3% |
| March 31, 2023 | +5.5% | +7.0% |
| December 31, 2022 | +3.3% | +7.1% |
| September 30, 2022 | +10.5% | −5.3% |
| June 30, 2022 | −10.5% | −16.5% |
| March 31, 2022 | +24.5% | −4.9% |
| December 31, 2021 | +4.4% | +10.7% |
| September 30, 2021 | −5.7% | +0.3% |
Sources
Every number on this page points here. Each one links to the public record.
- 1SEC EDGAR: Arosa Capital Management LP Form 13F filingshttps://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1596053&type=13F-HR&dateb=&owner=include&count=40CIK 1596053
- 2SEC: 13F for the quarter ended June 30, 2026https://www.sec.gov/Archives/edgar/data/1596053/000159605326000004/Filed August 14, 2026 · accession 0001596053-26-000004