Arosa Capital Management LP — 13F Holdings & Portfolio
CIK 1596053 · latest 13F-HR filed 2026-08-14
Arosa Capital Management LP manages $561.1M in 13F-reported U.S. long-equity assets across 52 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are SPY (10.65%), VICR (8.46%), SMH (8.18%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 6 new positions and exited 33; 6 existing positions rose in reported value and 10 fell.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
Long-equity book
Distinct positions
Filed 2026-08-14
vs 2026-03-31
Portfolio charts
Latest quarter's book, what changed, and how the portfolio has evolved across filings.
Portfolio map
Q2 26Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.
Sector mix
% of 13F valueSectors from each company's SIC code; funds and ETFs grouped separately.
Biggest buys and sells
Q1 26 → Q2 26Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.
13F assets and positions
4 quartersTotal reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.
Top positions over time
reported valueThe eight largest current positions, valued at each quarter end.
Concentration
top 10 = 90.9%Cumulative share of the portfolio held in the largest N positions.
SUITE 500
MIAMI BEACH, FL 33139
| Name | Title / Status | Ownership | Type |
|---|---|---|---|
| AROSA CAPITAL MANAGEMENT GP LLC Control | GENERAL PARTNER (AROSA CAPITAL MANAGEMENT LP) | Less than 5% | Domestic Entity |
| BECHTOLSHEIMER, TILL, AUGUST Control | CHIEF EXECUTIVE OFFICER | 50–75% | Individual |
| BECHTOLSHEIMER, TILL, AUGUST Control | MANAGING MEMBER | 50–75% | Individual |
| JOSEPH, ABRAHAM, ANOOP Control | PORTFOLIO MANAGER | 25–50% | Individual |
| JOSEPH, ABRAHAM, ANOOP Control | MEMBER | 25–50% | Individual |
| O'CONNOR, NANCY, ELIZABETH Control | CHIEF FINANCIAL OFFICER | Less than 5% | Individual |
| RADDEN, DANIEL, SCOTT Control | CHIEF OPERATING OFFICER, GENERAL COUNSEL AND CHIEF COMPLIANCE OFFICER | Less than 5% | Individual |
Quarter-over-quarter changes
Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.
Top Adds (vs prior quarter)
- VICOR CORP$22.3M +88.4%
- MONOLITHIC PWR SYS INC$11.7M +237.2%
- KULR TECHNOLOGY GROUP INC$432.0K +60.8%
- TERRESTRIAL ENERGY INC$138.2K +30.5%
- ALPHA & OMEGA SEMICONDUCTOR$45.1K +6.8%
Top Trims
- BABCOCK & WILCOX ENTERPRISES-$4.6M -54.1%
- AXT INC-$3.6M -74.0%
- MATERION CORP-$2.4M -67.1%
- EOS ENERGY ENTERPRISES INC-$2.4M -67.3%
- ROGERS CORP-$1.1M -23.0%
New Positions
- POWER INTEGRATIONS INC$10.5M
- QNITY ELECTRONICS INC$8.2M
- CEVA INC$3.3M
- AMBARELLA INC$3.0M
- FLEX LTD$1.6M
Exited Positions
- EVERUS CONSTR GROUP$10.4M
- CAMECO CORP$7.1M
- NEXTPOWER INC$6.0M
- FIRST SOLAR INC$6.0M
- QUANTA SVCS INC$5.2M
Arosa Capital Management LP Holdings (2026-06-30)
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | STATE STR SPDR S&P 500 ETF T Put | SPY | 78462F103 | $59.7M | 10.65% | 80,000 | SH |
| 2 | VICOR CORP | VICR | 925815102 | $47.5M | 8.46% | 125,000 | SH |
| 3 | VANECK ETF TRUST Put | SMH | 92189F676 | $45.9M | 8.18% | 70,000 | SH |
| 4 | VICOR CORP Call | VICR | 925815102 | $41.8M | 7.45% | 110,000 | SH |
| 5 | ENPHASE ENERGY INC Call | ENPH | 29355A107 | $32.7M | 5.84% | 665,000 | SH |
| 6 | IREN LIMITED Call | IREN | Q4982L109 | $32.5M | 5.79% | 710,000 | SH |
| 7 | INVESCO QQQ TR Put | QQQ | 46090E103 | $22.1M | 3.94% | 30,000 | SH |
| 8 | APPLIED DIGITAL CORP Call | APLD | 038169207 | $20.1M | 3.59% | 540,000 | SH |
| 9 | MONOLITHIC PWR SYS INC | MPWR | 609839105 | $16.6M | 2.96% | 12,000 | SH |
| 10 | SHOALS TECHNOLOGIES GROUP IN Call | SHLS | 82489W107 | $14.4M | 2.56% | 1,450,000 | SH |
| 11 | CIPHER DIGITAL INC Call | CIFR | 17253J106 | $13.5M | 2.40% | 550,000 | SH |
| 12 | VANECK ETF TRUST Call | SMH | 92189F676 | $13.1M | 2.34% | 20,000 | SH |
| 13 | POWER INTEGRATIONS INC Call | POWI | 739276103 | $12.6M | 2.24% | 150,000 | SH |
| 14 | BLOOM ENERGY CORP Call | BE | 093712107 | $12.1M | 2.16% | 40,000 | SH |
| 15 | VICOR CORP Put | VICR | 925815102 | $11.4M | 2.03% | 30,000 | SH |
| 16 | MONOLITHIC PWR SYS INC Call | MPWR | 609839105 | $11.1M | 1.97% | 8,000 | SH |
| 17 | SUNRUN INC Call | RUN | 86771W105 | $10.7M | 1.91% | 800,000 | SH |
| 18 | EATON CORP PLC Call | ETN | G29183103 | $10.7M | 1.90% | 25,000 | SH |
| 19 | POWER INTEGRATIONS INC | POWI | 739276103 | $10.5M | 1.87% | 125,000 | SH |
| 20 | NXP SEMICONDUCTORS N V Call | NXPI | N6596X109 | $8.4M | 1.50% | 30,000 | SH |
| 21 | NEXTPOWER INC Call | NXT | 65290E101 | $8.3M | 1.49% | 70,000 | SH |
| 22 | QNITY ELECTRONICS INC | Q | 74743L100 | $8.2M | 1.46% | 50,000 | SH |
| 23 | AXT INC Call | AXTI | 00246W103 | $7.2M | 1.28% | 100,000 | SH |
| 24 | GLOBAL X FDS Put | URA | 37954Y871 | $6.6M | 1.17% | 150,000 | SH |
| 25 | DEVON ENERGY CORP NEW Put | DVN | 25179M103 | $6.2M | 1.10% | 150,000 | SH |
| 26 | SOLAREDGE TECHNOLOGIES INC Call | SEDG | 83417M104 | $5.8M | 1.04% | 100,000 | SH |
| 27 | ALBEMARLE CORP Call | ALB | 012653101 | $5.4M | 0.96% | 40,000 | SH |
| 28 | SUNRUN INC Put | RUN | 86771W105 | $5.4M | 0.95% | 400,000 | SH |
| 29 | ISHARES TR Put | ICLN | 464288224 | $5.1M | 0.91% | 250,000 | SH |
| 30 | MASTEC INC Put | MTZ | 576323109 | $5.0M | 0.89% | 12,000 | SH |
| 31 | PRIMORIS SVCS CORP Call | PRIM | 74164F103 | $5.0M | 0.88% | 50,000 | SH |
| 32 | TERAWULF INC Call | WULF | 88080T104 | $4.9M | 0.88% | 200,000 | SH |
| 33 | FIRST SOLAR INC Call | FSLR | 336433107 | $4.7M | 0.84% | 20,000 | SH |
| 34 | WILLIAMS COS INC | WMB | 969457100 | $4.5M | 0.79% | 60,000 | SH |
| 35 | HALLIBURTON CO Put | HAL | 406216101 | $4.1M | 0.73% | 120,000 | SH |
| 36 | BABCOCK & WILCOX ENTERPRISES | BW | 05614L209 | $3.9M | 0.69% | 275,000 | SH |
| 37 | ROGERS CORP | ROG | 775133101 | $3.6M | 0.64% | 22,000 | SH |
| 38 | CEVA INC | CEVA | 157210105 | $3.3M | 0.59% | 70,000 | SH |
| 39 | SOLARIS ENERGY INFRAS INC | SEI | 83418M103 | $3.2M | 0.57% | 40,000 | SH |
| 40 | AMBARELLA INC | AMBA | G037AX101 | $3.0M | 0.54% | 35,000 | SH |
| 41 | FLEX LTD | FLEX | Y2573F102 | $1.6M | 0.29% | 10,000 | SH |
| 42 | AXT INC | AXTI | 00246W103 | $1.3M | 0.22% | 17,500 | SH |
| 43 | MATERION CORP | MTRN | 576690101 | $1.2M | 0.21% | 4,000 | SH |
| 44 | EOS ENERGY ENTERPRISES INC | EOSE | 29415C101 | $1.2M | 0.21% | 200,000 | SH |
| 45 | KULR TECHNOLOGY GROUP INC | KULR | 50125G307 | $1.1M | 0.20% | 300,000 | SH |
| 46 | NEOVOLTA INC | NEOV | 640655106 | $1.0M | 0.18% | 320,000 | SH |
| 47 | ALPHA & OMEGA SEMICONDUCTOR | AOSL | G6331P104 | $710.0K | 0.13% | 15,000 | SH |
| 48 | TECOGEN INC NEW | TGEN | 87876P201 | $652.5K | 0.12% | 125,000 | SH |
| 49 | TERRESTRIAL ENERGY INC | IMSRW | 881454110 | $591.5K | 0.11% | 175,000 | SH |
| 50 | EAGLE NUCLEAR ENERGY CORP | NUCLW | 269710117 | $566.0K | 0.10% | 390,375 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-14 | $561.1M | 52 | 0001596053-26-000004 |
| 2026-03-31 | 2026-05-15 | $660.4M | 68 | 0001596053-26-000003 |
| 2025-12-31 | 2026-02-17 | $795.5M | 83 | 0001596053-26-000002 |
| 2025-09-30 | 2025-11-14 | $455.4M | 70 | 0001596053-25-000008 |
SUITE 500
MIAMI BEACH, FL 33139