Funds › Arosa Capital Management LP
Arosa Capital Management LP
13F for Q2 2026, filed Aug 14, 2026. 22 positions worth $561.1M.Managers with more than $100 million in US-listed stocks list their holdings each quarter, within 45 days of quarter end. Long positions only: no short sales or cash.
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Holdings, Q2 2026
Largest first. Common shares only; puts and calls are under All positions.
| # | The fund's own figures at the end of the quarter. A report can be up to 45 days old when it is filed. Options and bonds are not counted here. | Filing | ||||
|---|---|---|---|---|---|---|
| 1 | VICR Vicor Corporation | 125,000 | $47.5M | 8.5% | -20.1% | 13F ↗ |
| 2 | MPWR Monolithic Power Systems, Inc. | 12,000 | $16.6M | 3.0% | +167% | 13F ↗ |
| 3 | POWI Power Integrations, Inc. | 125,000 | $10.5M | 1.9% | New | 13F ↗ |
| 4 | Q Qnity Electronics, Inc. | 50,000 | $8.2M | 1.5% | New | 13F ↗ |
| 5 | WMB Williams Companies, Inc. | 60,000 | $4.5M | 0.8% | -20.0% | 13F ↗ |
| 6 | BW Babcock & Wilcox Enterprises, Inc. | 275,000 | $3.9M | 0.7% | -52.2% | 13F ↗ |
| 7 | ROG Rogers Corporation | 22,000 | $3.6M | 0.6% | -49.6% | 13F ↗ |
| 8 | CEVA CEVA, Inc. | 70,000 | $3.3M | 0.6% | New | 13F ↗ |
| 9 | SEI Solaris Energy Infrastructure, Inc. | 40,000 | $3.2M | 0.6% | -33.3% | 13F ↗ |
| 10 | AMBA Ambarella, Inc. | 35,000 | $3.0M | 0.5% | New | 13F ↗ |
| 11 | FLEX Flex Ltd. | 10,000 | $1.6M | 0.3% | New | 13F ↗ |
| 12 | AXTI AXT Inc | 17,500 | $1.3M | 0.2% | -79.4% | 13F ↗ |
| 13 | MTRN Materion Corporation | 4,000 | $1.2M | 0.2% | -84.0% | 13F ↗ |
| 14 | EOSE Eos Energy Enterprises, Inc. | 200,000 | $1.2M | 0.2% | -72.5% | 13F ↗ |
| 15 | KULR KULR Technology Group, Inc. | 300,000 | $1.1M | 0.2% | Unchanged | 13F ↗ |
| 16 | NEOV NeoVolta Inc. | 320,000 | $1.0M | 0.2% | New | 13F ↗ |
| 17 | AOSL Alpha and Omega Semiconductor Limited | 15,000 | $710.0K | 0.1% | -50.0% | 13F ↗ |
| 18 | TGEN Tecogen Inc. | 125,000 | $652.5K | 0.1% | -64.3% | 13F ↗ |
| 19 | IMSRW Terrestrial Energy Inc. · *W Exp 10/28/203 | 175,000 | $591.5K | 0.1% | Unchanged | 13F ↗ |
| 20 | NUCLW Eagle Nuclear Energy Corp. · *W Exp 02/25/203 | 390,375 | $566.0K | 0.1% | -47.9% | 13F ↗ |
| 21 | GWHT ESS Tech, Inc. | 550,000 | $522.5K | 0.1% | -39.6% | 13F ↗ |
| 22 | Net Power Inc Spac Combination | 106,249 | $30.8K | <0.1% | Unchanged | 13F ↗ |
Changes since Q1 2026
6 new, 1 added to, 12 trimmed, 33 exited, 3 unchanged. By estimated dollars.
New positions (6)
Added to (1)
| Position | Shares | Change | Est. dollars |
|---|---|---|---|
| MPWR Monolithic Power Systems, Inc. | 12,000 | +167% | $10.4M |
Trimmed (12)
| VICR Vicor Corporation | 125,000 | -20.1% | -$12.0M |
| MTRN Materion Corporation | 4,000 | -84.0% | -$6.2M |
| AXTI AXT Inc | 17,500 | -79.4% | -$4.9M |
| BW Babcock & Wilcox Enterprises, Inc. | 275,000 | -52.2% | -$4.2M |
| ROG Rogers Corporation | 22,000 | -49.6% | -$3.5M |
| EOSE Eos Energy Enterprises, Inc. | 200,000 | -72.5% | -$3.1M |
| SEI Solaris Energy Infrastructure, Inc. | 40,000 | -33.3% | -$1.6M |
| TGEN Tecogen Inc. | 125,000 | -64.3% | -$1.2M |
| WMB Williams Companies, Inc. | 60,000 | -20.0% | -$1.1M |
| AOSL Alpha and Omega Semiconductor Limited | 15,000 | -50.0% | -$710.0K |
Exited (33)
| ECG Everus Construction Group, Inc. | 88,000 | Exited | -$10.4M |
| CCJ Cameco Corporation | 65,205 | Exited | -$7.1M |
| NXT Nextpower Inc. | 49,959 | Exited | -$6.0M |
| FSLR First Solar, Inc. | 30,500 | Exited | -$6.0M |
| PWR Quanta Services, Inc. | 9,418 | Exited | -$5.2M |
| MTZ MasTec, Inc. | 15,000 | Exited | -$4.8M |
| STRL Sterling Infrastructure, Inc. | 8,000 | Exited | -$3.3M |
| E ENI S.p.A. · ADR | 55,000 | Exited | -$3.1M |
| BE Bloom Energy Corporation | 21,692 | Exited | -$2.9M |
| UUUU Energy Fuels Inc | 155,000 | Exited | -$2.8M |
The 10 largest of each, by estimated dollars: shares changed times the later report's price. Index tracking, splits and mergers move positions too.
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Reported value by quarter
Value and number of positions at the end of each quarter.
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Largest positions in earlier quarters
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Ten largest positions
By value, Q2 2026.
Filings
Most recent first, up to 80. An amendment can replace a report or add holdings to it. All 13F filings
Information, not investment advice. Values are the fund's own figures at quarter end; a report can be up to 45 days old when filed. Disclaimer