Arosa Capital Management LP holds a concentrated book of 22 reported positions worth $114.6M as of Q2 2026 (disclosed Aug 14, 2026, a ~45-day 13F lag). This quarter they opened Power Integrations Inc and trimmed Vicor Corp. Their largest long position is Vicor Corp at 41% of the reported non-option book. They also disclosed $171.4M in put options (a bearish bet) and $275.0M in call options (bullish), shown separately below and excluded from the non-option book.
Arosa Capital Management LP is a market maker: this book is hedging inventory, not directional conviction.
Top-heavy: concentrated book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
100% mapped to company sectors
+2 sectors below the cut, under 0.5% together
Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.
Estimated $ traded · quarter-end prices (an exit at the prior quarter-end), no cost basis
Other tracked managers holding the same core names as Arosa Capital Management LP
| Manager / fund | Shared names | Their $ in those |
|---|---|---|
| BRC Group Holdings, Inc. | 2 / 22 | $387.3M |
| Robertson Opportunity Capital, LLC | 2 / 22 | $32.8M |
| Goodlander Investment Management, LLC | 2 / 22 | $36.4M |
| AWM Investment Company, Inc. | 3 / 22 | $99.5M |
| Herald Investment Management Ltd | 4 / 22 | $57.3M |
| Clear Harbor Asset Management, LLC | 2 / 22 | $125.7M |
| Cushing Asset Management, LP dba NXG Investment Management | 2 / 22 | $172.4M |
| Fractal Investments LLC | 2 / 22 | $65.7M |
Ranked by the share of each fund's own book sitting in the names it shares with Arosa Capital Management LP: only funds sharing at least a tenth of the book qualify. Index giants, bank custody books and market makers are excluded. They hold everything, so their overlap says nothing.
Bars show each position's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Vicor Corp COM | $47.5M | 125.0K | 41.4% | ▼−20% Reduced · −32K sh | |
| 2 | Monolithic PWR Sys Inc COM | $16.6M | 12.0K | 14.5% | ▲+167% Added · +8K sh | |
| 3 | Power Integrations Inc COM | $10.5M | 125.0K | 9.1% | ▲New New position | |
| 4 | Qnity Electronics Inc COMMON STOCK | $8.2M | 50.0K | 7.1% | ▲New New position | |
| 5 | Williams Cos Inc COM | $4.5M | 60.0K | 3.9% | ▼−20% Reduced · −15K sh | |
| 6 | Babcock & Wilcox Enterprises COM | $3.9M | 275.0K | 3.4% | ▼−52% Reduced · −300K sh | |
| 7 | Rogers Corp COM | $3.6M | 22.0K | 3.1% | ▼−50% Reduced · −22K sh | |
| 8 | Ceva Inc COM | $3.3M | 70.0K | 2.9% | ▲New New position | |
| 9 | Solaris Energy Infras Inc COM CL A | $3.2M | 40.0K | 2.8% | ▼−33% Reduced · −20K sh | |
| 10 | Ambarella Inc SHS | $3.0M | 35.0K | 2.6% | ▲New New position | |
| 11 | Flex Ltd ORD | $1.6M | 10.0K | 1.4% | ▲New New position | |
| 12 | Axt Inc COM | $1.3M | 17.5K | 1.1% | ▼−79% Reduced · −68K sh | |
| 13 | Materion Corp COM | $1.2M | 4.0K | 1.0% | ▼−84% Reduced · −21K sh | |
| 14 | Eos Energy Enterprises Inc COM CL A | $1.2M | 200.0K | 1.0% | ▼−72% Reduced · −526K sh | |
| 15 | Kulr Technology Group Inc COM | $1.1M | 300.0K | 1.0% | —Held | |
| 16 | Neovolta Inc COM | $1.0M | 320.0K | 0.9% | ▲New New position | |
| 17 | Alpha & Omega Semiconductor SHS | $710K | 15.0K | 0.6% | ▼−50% Reduced · −15K sh | |
| 18 | Tecogen Inc New COM NEW | $653K | 125.0K | 0.6% | ▼−64% Reduced · −225K sh | |
| 19 | Terrestrial Energy Inc *W EXP 10/28/203 | $592K | 175.0K | 0.5% | —Held | |
| 20 | Eagle Nuclear Energy Corp *W EXP 02/25/203 | $566K | 390.4K | 0.5% | ▼−48% Reduced · −360K sh | |
| 21 | Ess Tech Inc COM NEW | $523K | 550.0K | 0.5% | ▼−40% Reduced · −360K sh | |
| 22 | Net Power Inc *W EXP 06/08/202 | $31K | 106.2K | <0.1% | —Held |
This market maker page is the Follow view. The Build view lets your agent pull holdings, quarter changes, overlap, and source filings through API or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/funds/1596053/holdings"
Use Arkolith to show Arosa Capital Management LP's latest holdings, largest changes, and filing provenance.
Put / call positions from the 13F — totals include every disclosed option leg
| Type | Underlying | Notional value | Underlying shares |
|---|---|---|---|
| PUT · bearish | SS SPDR S&P 500 ETF TRUST-USSPY | $59.7M | 80K |
| PUT · bearish | VANECK SEMICONDUCTOR ETFSMH | $45.9M | 70K |
| CALL · bullish | VICOR CORPVICR | $41.8M | 110K |
| CALL · bullish | ENPHASE ENERGY INCENPH | $32.7M | 665K |
| CALL · bullish | IREN LTDIREN | $32.5M | 710K |
| PUT · bearish | INVESCO QQQ TRUST SERIES 1QQQ | $22.1M | 30K |
| CALL · bullish | APPLIED DIGITAL CORPAPLD | $20.1M | 540K |
| CALL · bullish | SHOALS TECHNOLOGIES GROUP -ASHLS | $14.4M | 1.4M |
| CALL · bullish | CIPHER DIGITAL INCCIFR | $13.5M | 550K |
| CALL · bullish | VANECK SEMICONDUCTOR ETFSMH | $13.1M | 20K |
| CALL · bullish | POWER INTEGRATIONS INCPOWI | $12.6M | 150K |
| CALL · bullish | BLOOM ENERGY CORP- ABE | $12.1M | 40K |
| PUT · bearish | VICOR CORPVICR | $11.4M | 30K |
| CALL · bullish | MONOLITHIC POWER SYSTEMS INCMPWR | $11.1M | 8K |
| CALL · bullish | SUNRUN INCRUN | $10.7M | 800K |
| CALL · bullish | EATON CORP PLCETN | $10.7M | 25K |
| CALL · bullish | NXP SEMICONDUCTORS NVNXPI | $8.4M | 30K |
| CALL · bullish | NEXTPOWER INC-CL ANXT | $8.3M | 70K |
| CALL · bullish | AXT INCAXTI | $7.2M | 100K |
| PUT · bearish | GLOBAL X URANIUM ETFURA | $6.6M | 150K |
| PUT · bearish | DEVON ENERGY CORPDVN | $6.2M | 150K |
| CALL · bullish | SOLAREDGE TECHNOLOGIES INCSEDG | $5.8M | 100K |
| CALL · bullish | ALBEMARLE CORPALB | $5.4M | 40K |
| PUT · bearish | SUNRUN INCRUN | $5.4M | 400K |
| PUT · bearish | ISHARES GLOBAL CLEAN ENERGYICLN | $5.1M | 250K |
13F filers disclose option positions at the market value of the underlying the contracts reference, not the premium paid. A put is a bearish bet (it gains if the stock falls); a call is bullish. “Underlying shares” is the share count the contracts control, not a share holding. These legs are excluded from the non-option book, weighting, concentration and sector figures above. Showing the largest 25 of 30 option legs.
As-of date vs the date the SEC received each filing
Reported 13F total per quarter. Raw filing totals can include option notional.
| Quarter | As of | Filed | Lag | Positions | Value | Form |
|---|---|---|---|---|---|---|
| Q2 2026 | Jun 30, 2026 | Aug 14, 2026 | 45d | 52 | $561.1M | 13F-HR |
| Q1 2026 | Mar 31, 2026 | May 15, 2026 | 45d | 68 | $660.4M | 13F-HR |
| Q4 2025 | Dec 31, 2025 | Feb 17, 2026 | 48d | 83 | $795.5M | 13F-HR |
| Q3 2025 | Sep 30, 2025 | Nov 14, 2025 | 45d | 70 | $455.4M | 13F-HR |
| Q2 2025 | Jun 30, 2025 | Aug 14, 2025 | 45d | 60 | $531.1M | 13F-HR |
| Q1 2025 | Mar 31, 2025 | May 15, 2025 | 45d | 43 | $270.7M | 13F-HR |
| Q4 2024 | Dec 31, 2024 | Feb 14, 2025 | 45d | 42 | $249.2M | 13F-HR |
| Q3 2024 | Sep 30, 2024 | Nov 14, 2024 | 45d | 37 | $258.1M | 13F-HR |
| Q2 2024 | Jun 30, 2024 | Oct 15, 2024 | 107d | 33 | $177.3M | 13F-HR/A |
| Q1 2024 | Mar 31, 2024 | May 15, 2024 | 45d | 35 | $169.4M | 13F-HR |
| Q4 2023 | Dec 31, 2023 | Feb 14, 2024 | 45d | 29 | $222.1M | 13F-HR |
| Q3 2023 | Sep 30, 2023 | Nov 14, 2023 | 45d | 47 | $321.8M | 13F-HR |
| Q2 2023 | Jun 30, 2023 | Aug 14, 2023 | 45d | 45 | $395.1M | 13F-HR |
| Q1 2023 | Mar 31, 2023 | May 15, 2023 | 45d | 60 | $638.7M | 13F-HR |
| Q4 2022 | Dec 31, 2022 | Feb 14, 2023 | 45d | 55 | $471.5M | 13F-HR |
| Q3 2022 | Sep 30, 2022 | Nov 14, 2022 | 45d | 56 | $467.3M | 13F-HR |
| Q2 2022 | Jun 30, 2022 | Aug 15, 2022 | 46d | 63 | $617.1M | 13F-HR |
| Q1 2022 | Mar 31, 2022 | May 16, 2022 | 46d | 63 | $584.5M | 13F-HR |
| Q4 2021 | Dec 31, 2021 | Feb 14, 2022 | 45d | 57 | $405.3M | 13F-HR |
| Q3 2021 | Sep 30, 2021 | Nov 12, 2021 | 43d | 70 | $539.0M | 13F-HR |
| Q2 2021 | Jun 30, 2021 | Aug 16, 2021 | 47d | 63 | $494.7M | 13F-HR |
| Q1 2021 | Mar 31, 2021 | May 17, 2021 | 47d | 65 | $541.1M | 13F-HR |
| Q4 2020 | Dec 31, 2020 | Feb 12, 2021 | 43d | 73 | $729.2M | 13F-HR |
Holdings from SEC EDGAR 13F-HR filings, updated quarterly, filed up to 45 days after quarter-end. Public domain. Book totals and portfolio weights cover reported non-option positions, which can include notes and warrants. Disclosed put/call options are listed separately and excluded from those totals. Price-derived performance is withheld until the price-source policy and freshness gate are green.