Engine No. 1 LLC

In its 13F for Q2 2025 (holdings as of June 30, 2025, filed August 14, 2025), Engine No. 1 LLC reported 4 stock positions worth $55.1 million. Its top holding was Powell Industries (POWL) at 45.4% of the portfolio, followed by Vertiv Class A (VRT, 28.4%) and Eaton (ETN, 18.8%). Compared with Q1 2025, it opened 2 new positions, sold out of 2 and added to 2. The biggest buy was Powell Industries (POWL, shares +65%) and the biggest sale an exit from Intel (INTC).

Most Recent 13F
Q3 2025
Location
San Francisco, CA
CIK
0001835549
Portfolio Value
$55.1M (Q2 2025)
SEC Filing
0001420506-25-002032 ↗ filed Aug 14, 2025

Holdings Value

0$20.0M$40.0M$60.0M$80.0M$100.0M Q1 2024: $84.5M Q1 2024 Q2 2024: $95.3M Q2 2024 Q3 2024: $50.5M Q3 2024 Q4 2024: $37.6M Q4 2024 Q1 2025: $78.3M Q1 2025 Q2 2025: $55.1M $55.1M Q2 2025 Q3 2025: $88.6M Q3 2025

Holdings 4 stocks · $55.1M
POWL Powell Industries Inc. 45.41% 119,000 $25.0M Add +65.3%
VRT Vertiv Holdings Co. Class A 28.41% 122,000 $15.7M New
ETN Eaton Corp. PLC 18.77% 29,000 $10.4M Add +42.2%
HUBB Hubbell Inc. 7.41% 10,000 $4.1M New

Portfolio Sells Q1 2025 → Q2 2025
INTC Intel Corp. Sold out 0.00% −70.15
AR Antero Resources Corp. Sold out 0.00% −7.12

Portfolio Buys Q1 2025 → Q2 2025
POWL Powell Industries Inc. Add +65.3% 45.41% +29.76
VRT Vertiv Holdings Co. Class A New 28.41% +28.41
ETN Eaton Corp. PLC Add +42.2% 18.77% +11.70
HUBB Hubbell Inc. New 7.41% +7.41

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q3 2025 6$88.6MPOWL, VRT, FSLR, HRI, GLD
Q2 2025 4$55.1MPOWL, VRT, ETN, HUBB
Q1 2025 4$78.3MINTC, POWL, AR, ETN
Q4 2024 5$37.6MPOWL, BKR, HUBB, FLS, CENX
Q3 2024 6$50.5MVRT, POWL, FSLR, HUBB, XOM
Q2 2024 11$95.3MVRT, AMAT, ASML, HUBB, POWL
Q1 2024 10$84.5MVRT, HUBB, AMAT, XOM, MSFT