ESS Tech, Inc.
GWH- Exchange
- NYSE
- Industry
- Miscellaneous Electrical Machinery, Equipment & Supplies
- SEC CIK
- 0001819438
In the last 90 days, ESS Tech, Inc. insiders filed 0 open-market purchases and 2 sales; 47 institutions reported holding it in 13F filings for Q2 2026, worth $6.94M in total; no superinvestor holds it.
Other share classesGWHWW
13F holders, Q3 2025
Institutional positions in ESS Tech, Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 46
- −3 vs. Q2 2025
- Shares held
- 3.75M
- +724.2K (+24.0%) vs. Q2 2025
- Total value
- $5.69M
- +$1.68M (+41.7%) vs. Q2 2025
- New holders
- 8
- 13 more added
- Sold out
- 11
- 4 more reduced
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting GWH on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 47 | $6.94M |
| Q1 2026 | 51 | $8.90M |
| Q4 2025 | 55 | $11.9M |
| Q3 2025 | 46 | $5.69M |
| Q2 2025 | 49 | $4.02M |
| Q1 2025 | 45 | $11.0M |
| Q4 2024 | 56 | $20.5M |
| Q3 2024 | 50 | $20.7M |
| Q2 2024 | 103 | $42.3M |
| Q1 2024 | 104 | $40.9M |
| Q4 2023 | 108 | $69.4M |
| Q3 2023 | 101 | $114.0M |
| Q2 2023 | 91 | $86.9M |
| Q1 2023 | 102 | $88.9M |
| Q4 2022 | 107 | $156.2M |
| Q3 2022 | 94 | $257.8M |
| Q2 2022 | 97 | $175.7M |
| Q1 2022 | 75 | $331.4M |
| Q4 2021 | 58 | $622.1M |
| Q3 2021 | 4 | $9.04M |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding ESS Tech, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Softbank Group Corp | 2,396,980 | $3.64M | 0.01% | 00.0% | Unchanged |
| Arosa Capital Management LP | 675,417 | $1.03M | 1.58% | +675,417 | New |
| Vanguard Group Inc | 264,332 | $401.8K | 0.00% | +34,462+15.0% | Added |
| Geode Capital Management, LLC | 56,813 | $86.4K | 0.00% | +2,714+5.0% | Added |
| BlackRock, Inc. | 53,149 | $80.8K | 0.00% | +40.0% | Added |
| FMR LLC | 52,485 | $79.8K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 48,958 | $74.4K | 0.00% | +48,958 | New |
| Yorkville Advisors Global, LP | 48,374 | $73.5K | 0.03% | +48,374 | New |
| Renaissance Technologies LLC | 27,560 | $41.9K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 20,860 | $31.7K | 0.00% | +6,135+41.7% | Added |
| Citadel Advisors LLC | 19,773 | $30.1K | 0.00% | +19,773 | New |
| State Street Corp | 16,304 | $24.8K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 14,853 | $22.6K | 0.00% | +11,112+297.0% | Added |
| Green Alpha Advisors, LLC | 10,628 | $16.2K | 0.02% | −1,753−14.2% | Reduced |
| Northern Trust Corp | 10,588 | $16.1K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 5,217 | $7.93K | 0.00% | −92−1.7% | Reduced |
| Tower Research Capital LLC (TRC) | 4,648 | $7.07K | 0.00% | +1,758+60.8% | Added |
| Golden State Wealth Management, LLC | 2,720 | $4.13K | 0.00% | +13+0.5% | Added |
| CWM, LLC | 2,666 | $4.00K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 2,553 | $3.88K | 0.00% | +31+1.2% | Added |
| The PNC Financial Services Group, Inc. | 2,443 | $3.71K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 2,264 | $3.29K | 0.00% | −500−18.1% | Reduced |
| Barclays PLC | 1,670 | $2.54K | 0.00% | 00.0% | Unchanged |
| National Bank of Canada | 832 | $1.24K | 0.00% | 00.0% | Unchanged |
| Missouri Trust & Investment Co | 633 | $962 | 0.00% | +300+90.1% | Added |
| BNP Paribas Arbitrage, SA | 447 | $679 | 0.00% | +3+0.7% | Added |
| Group One Trading, L.P. | 409 | $622 | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 366 | $556 | 0.00% | −90−19.7% | Reduced |
| Parallel Advisors, LLC | 300 | $456 | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 233 | $355 | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 170 | $258 | 0.00% | +1+0.6% | Added |
| Allworth Financial LP | 166 | $253 | 0.00% | 00.0% | Unchanged |
| Clear Street Group Inc. | 126 | $192 | 0.00% | +126 | New |
| Principal Securities, Inc. | 108 | $164 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 83 | $126 | 0.00% | +9+12.2% | Added |
| GWM Advisors LLC | 72 | $110 | 0.00% | 00.0% | Unchanged |
| Archer Investment Corp | 68 | $103 | 0.00% | 00.0% | Unchanged |
| Wolff Wiese Magana LLC | 66 | $101 | 0.00% | 00.0% | Unchanged |
| MTM Investment Management, LLC | 40 | $61 | 0.00% | 00.0% | Unchanged |
| Harbor Investment Advisory, LLC | 33 | $50 | 0.00% | 00.0% | Unchanged |
| Mather Group, LLC. | 20 | $30 | 0.00% | +20 | New |
| Jones Financial Companies LLLP | 13 | $21 | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 10 | $15 | 0.00% | +10 | New |
| Groupe la Francaise | 6 | $8 | 0.00% | +6 | New |
| Royal Bank of Canada | 101 | $0 | 0.00% | +1+1.0% | Added |
| Coston, McIsaac & Partners | 3 | $0 | 0.00% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −100,034−100.0% | Sold out |
| Laird Norton Trust Company, LLC | 0 | $0 | 0.00% | −21,184−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −348−100.0% | Sold out |
| Northwestern Mutual Wealth Management Co | 0 | $0 | 0.00% | −123−100.0% | Sold out |
| Farther Finance Advisors, LLC | 0 | $0 | 0.00% | −66−100.0% | Sold out |
| Strategic Wealth Partners, Ltd. | 0 | $0 | 0.00% | −35−100.0% | Sold out |
| Albion Financial Group | 0 | $0 | 0.00% | −13−100.0% | Sold out |
| Creative Capital Management Investments LLC | 0 | $0 | 0.00% | −13−100.0% | Sold out |
| CoreCap Advisors, LLC | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| NewSquare Capital LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −750−100.0% | Sold out |