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Arosa Capital Management 13F Portfolio

Portfolio Manager
Arosa Capital Management LP
Performance
+50.37% (2026 Q2)
AUM (13F)
$561.07M
# of Holdings
22
Performance Rank
Allocation (Top 20)
98.96%
Latest filing
Q2 2026

Arosa Capital Management LP Holdings Map

Top 19 Arosa Capital Management LP Holdings

Top 10 holdings

StockCompany% Port.SharesValueActivityOwnershipAvg. CostDate
VICR
VICOR CORP
41.41%125.0K$47.5M
-20.13%(-31.50K)
2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 135.0K shares2026-Q1: 156.5K shares2026-Q2: 125.0K shares
$87.30(+168.88%)
2026-06-30
MPWR
MONOLITHIC PWR SYS INC
14.47%12.0K$16.6M
+166.67%(+7.50K)
2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 0 shares2026-Q1: 4.5K shares2026-Q2: 12.0K shares
$1120.16(+27.69%)
2026-06-30
POWI
POWER INTEGRATIONS INC
9.13%125.0K$10.5Mnew2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 40.0K shares2026-Q1: 0 shares2026-Q2: 125.0K shares
$56.88(+9.55%)
2026-06-30
Q
QNITY ELECTRONICS INC
7.12%50.0K$8.2Mnew2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 0 shares2026-Q1: 0 shares2026-Q2: 50.0K shares
$135.21(+0.08%)
2026-06-30
WMB
WILLIAMS COS INC
3.89%60.0K$4.5M
-20.00%(-15.00K)
2025-Q2: 79.0K shares2025-Q3: 38.0K shares2025-Q4: 110.0K shares2026-Q1: 75.0K shares2026-Q2: 60.0K shares
$60.68(+22.41%)
2026-06-30
BW
BABCOCK & WILCOX ENTERPRISES
3.38%275.0K$3.9M
-52.17%(-300.00K)
2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 0 shares2026-Q1: 575.0K shares2026-Q2: 275.0K shares
$10.51(-2.14%)
2026-06-30
ROG
ROGERS CORP
3.14%22.0K$3.6M
-49.56%(-21.61K)
2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 0 shares2026-Q1: 43.6K shares2026-Q2: 22.0K shares
$99.45(+43.70%)
2026-06-30
CEVA
CEVA INC
2.88%70.0K$3.3Mnew2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 0 shares2026-Q1: 0 shares2026-Q2: 70.0K shares
$32.18(+3.40%)
2026-06-30
SEI
SOLARIS ENERGY INFRAS INC
2.81%40.0K$3.2M
-33.33%(-20.00K)
2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 0 shares2026-Q1: 60.0K shares2026-Q2: 40.0K shares
$51.24(+23.54%)
2026-06-30
AMBA
AMBARELLA INC
2.62%35.0K$3.0Mnew2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 0 shares2026-Q1: 0 shares2026-Q2: 35.0K shares
$67.23(+22.04%)
2026-06-30

About Arosa Capital Management LPโ€™s portfolio

Arosa Capital Management LP reports $561.07M in US-listed equity holdings across 22 positions in its most recent 13F filing. Its largest disclosed positions are VICR (41.4%), MPWR (14.5%) and POWI (9.1%). The top 20 holdings account for 98.96% of reported assets. Its disclosed equity book has returned +119.69% on a three-year cumulative basis. Figures reflect the Q2 2026 filing.

Portfolio concentration

Portfolio concentration
VICR โ€” 41.8% ($47.47M)MPWR โ€” 14.6% ($16.59M)POWI โ€” 9.2% ($10.47M)Q โ€” 7.2% ($8.17M)WMB โ€” 3.9% ($4.46M)BW โ€” 3.4% ($3.88M)ROG โ€” 3.2% ($3.60M)CEVA โ€” 2.9% ($3.30M)SEI โ€” 2.8% ($3.22M)AMBA โ€” 2.6% ($3.00M)Other โ€” 8.2% ($9.28M)
92%in top 10
  • VICR41.8%
  • MPWR14.6%
  • POWI9.2%
  • Q7.2%
  • WMB3.9%
  • BW3.4%
  • ROG3.2%
  • CEVA2.9%
  • SEI2.8%
  • AMBA2.6%
  • Other8.2%

Portfolio changes

What the fund actually did

Every reported change this quarter, grouped by direction. The signal is in the rotation, not any single trade.

New buys
6
POWIPOWER INTEGRATIONS INC9.1%
QQNITY ELECTRONICS INC7.1%
CEVACEVA INC2.9%
AMBAAMBARELLA INC2.6%
+2 opened
Added to
1
MPWRMONOLITHIC PWR SYS INC+166.7%
Trimmed
11
VICRVICOR CORP-20.1%
MTRNMATERION CORP-84.0%
AXTIAXT INC-79.4%
BWBABCOCK & WILCOX ENTERPRISES-52.2%
+7 more

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Source filings

Holdings on this page are parsed from Arosa Capital Management LPโ€™s Form 13F filings with the U.S. Securities and Exchange Commission (CIK 1596053). View Arosa Capital Management LPโ€™s 13F filings on SEC

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