ESS Tech, Inc. - GWH
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| SOFTBANK GROUP CORP. | History | No change | 2,396,980 | 4,506 | 0.03% | 0.01% | 1 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Alyeska Investment Group, L.P. | History | New | 1,400,000 | 2,632 | 0.01% | — | 2 | +1,400,000 | New | Q4 2025 | Feb 13, 2026 |
| Arosa Capital Management LP | History | Added to | 950,000 | 1,786 | 0.22% | 0.23% | 3 | +274,583 | 40.65% | Q4 2025 | Feb 17, 2026 |
| VANGUARD GROUP INC | History | Added to | 485,919 | 913 | 0.0% | 0.0% | 4 | +221,587 | 83.83% | Q4 2025 | Jan 29, 2026 |
| Shay Capital LLC | History | New | 180,000 | 338 | 0.03% | — | 5 | +180,000 | New | Q4 2025 | Feb 17, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 136,470 | 256 | 0.0% | 0.0% | 6 | +79,657 | 140.21% | Q4 2025 | Feb 09, 2026 |
| Green Alpha Advisors, LLC | History | Added to | 118,683 | 223 | 0.2% | 0.02% | 7 | +108,055 | 1016.7% | Q4 2025 | Jan 07, 2026 |
| JANE STREET GROUP, LLC | History | Added to | 109,012 | 204 | 0.0% | 0.0% | 8 | +60,054 | 122.66% | Q4 2025 | Feb 12, 2026 |
| Pathstone Holdings, LLC | History | New | 88,982 | 167 | 0.0% | — | 9 | +88,982 | New | Q4 2025 | Feb 13, 2026 |
| GSA CAPITAL PARTNERS LLP | History | New | 74,724 | 140 | 0.01% | — | 10 | +74,724 | New | Q4 2025 | Feb 06, 2026 |
| JPMORGAN CHASE & CO | History | Added to | 74,259 | 139 | 0.0% | — | 11 | +74,089 | 43581.76% | Q4 2025 | Feb 11, 2026 |
| FMR LLC | History | Added to | 52,486 | 98 | 0.0% | 0.0% | 12 | +1 | 0.0% | Q4 2025 | Feb 17, 2026 |
| BlackRock, Inc. | History | Reduced | 50,370 | 94 | 0.0% | 0.0% | 13 | -2,779 | -5.23% | Q4 2025 | Feb 12, 2026 |
| XTX Topco Ltd | History | Added to | 49,609 | 93 | 0.0% | 0.0% | 14 | +28,749 | 137.82% | Q4 2025 | Feb 17, 2026 |
| STATE STREET CORP | History | Added to | 46,975 | 88 | 0.0% | 0.0% | 15 | +30,671 | 188.12% | Q4 2025 | Feb 13, 2026 |
| UBS Group AG | History | Added to | 44,717 | 84 | 0.0% | 0.0% | 16 | +29,864 | 201.06% | Q4 2025 | Jan 29, 2026 |
| Engineers Gate Manager LP | History | New | 16,498 | 31 | 0.0% | — | 17 | +16,498 | New | Q4 2025 | Feb 17, 2026 |
| LPL Financial LLC | History | New | 14,237 | 26 | 0.0% | — | 18 | +14,237 | New | Q4 2025 | Feb 11, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | New | 10,111 | 19 | 0.0% | — | 20 | +10,111 | New | Q4 2025 | Feb 17, 2026 |
| NORTHERN TRUST CORP | History | No change | 10,588 | 19 | 0.0% | 0.0% | 19 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | History | New | 10,000 | 18 | 0.0% | — | 21 | +10,000 | New | Q4 2025 | Feb 17, 2026 |
| PRIMORIS WEALTH ADVISORS, LLC | History | New | 10,000 | 18 | 0.01% | — | 22 | +10,000 | New | Q4 2025 | Feb 03, 2026 |
| OSAIC HOLDINGS, INC. | History | Added to | 6,106 | 11 | 0.0% | 0.0% | 23 | +3,842 | 169.7% | Q4 2025 | Feb 17, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 2,703 | 5 | 0.0% | 0.0% | 24 | +150 | 5.88% | Q4 2025 | Feb 17, 2026 |
| Golden State Wealth Management, LLC | History | Reduced | 2,707 | 5 | 0.0% | 0.0% | 26 | -13 | -0.48% | Q4 2025 | Feb 13, 2026 |
| CWM, LLC | History | Added to | 2,672 | 5 | 0.0% | 0.0% | 25 | +6 | 0.23% | Q4 2025 | Jan 26, 2026 |
| Tower Research Capital LLC (TRC) | History | Reduced | 2,494 | 4 | 0.0% | 0.0% | 28 | -2,154 | -46.34% | Q4 2025 | Feb 17, 2026 |
| PNC FINANCIAL SERVICES GROUP, INC. | History | No change | 2,443 | 4 | 0.0% | 0.0% | 27 | 0 | 0.0% | Q4 2025 | Feb 06, 2026 |
| MORGAN STANLEY | History | Reduced | 2,087 | 3 | 0.0% | 0.0% | 29 | -3,130 | -60.0% | Q4 2025 | Feb 13, 2026 |
| SBI Securities Co., Ltd. | History | Added to | 571 | 1 | 0.0% | — | 31 | +488 | 587.95% | Q4 2025 | Feb 03, 2026 |
| NATIONAL BANK OF CANADA /FI/ | History | No change | 832 | 1 | 0.0% | 0.0% | 30 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Missouri Trust & Investment Co | History | No change | 633 | 1 | 0.0% | — | 32 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| Yorkville Advisors Global, LP | History | Closed out | 0 | 0 | — | 0.03% | — | -48,374 | -100.0% | Q3 2025 | Nov 18, 2025 |
| RENAISSANCE TECHNOLOGIES LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -27,560 | -100.0% | Q3 2025 | Nov 13, 2025 |
| CITADEL ADVISORS LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -19,773 | -100.0% | Q3 2025 | Nov 14, 2025 |
| BARCLAYS PLC | History | Closed out | 0 | 0 | — | 0.0% | — | -1,670 | -100.0% | Q3 2025 | Mar 31, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Reduced | 163 | 0 | — | — | — | -284 | -63.53% | Q4 2025 | Feb 10, 2026 |
| Smartleaf Asset Management LLC | History | New | 200 | 0 | — | — | — | +200 | New | Q4 2025 | Feb 13, 2026 |
| Clear Street Group Inc. | History | Closed out | 0 | 0 | — | — | — | -126 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Fortitude Family Office, LLC | History | New | 120 | 0 | — | — | — | +120 | New | Q4 2025 | Jan 15, 2026 |
| PRINCIPAL SECURITIES, INC. | History | Closed out | 0 | 0 | — | — | — | -108 | -100.0% | Q3 2025 | Nov 12, 2025 |
| ROYAL BANK OF CANADA | History | New | 105 | 0 | — | — | — | +105 | New | Q4 2025 | Feb 17, 2026 |
| MCGUIRE CAPITAL ADVISORS INC | History | New | 81 | 0 | — | — | — | +81 | New | Q4 2025 | Feb 19, 2026 |
| WELLS FARGO & COMPANY/MN | History | Added to | 45 | 0 | — | — | — | +35 | 350.0% | Q4 2025 | Feb 13, 2026 |
| MATHER GROUP, LLC. | History | Closed out | 0 | 0 | — | — | — | -20 | -100.0% | Q3 2025 | Oct 21, 2025 |
| Navalign, LLC | History | New | 13 | 0 | — | — | — | +13 | New | Q4 2025 | Feb 05, 2026 |
| TD Waterhouse Canada Inc. | History | New | 13 | 0 | — | — | — | +13 | New | Q4 2025 | Jan 27, 2026 |
| Signature Equity Partners, LLC | History | New | 10 | 0 | — | — | — | +10 | New | Q4 2025 | Feb 17, 2026 |
| Hilton Head Capital Partners, LLC | History | New | 8 | 0 | — | — | — | +8 | New | Q4 2025 | Feb 11, 2026 |
| Pinnacle Wealth Planning Services, Inc. | History | New | 6 | 0 | — | — | — | +6 | New | Q4 2025 | Feb 13, 2026 |
| Groupe la Francaise | History | Closed out | 0 | 0 | — | — | — | -6 | -100.0% | Q3 2025 | Nov 13, 2025 |
| CITIGROUP INC | History | New | 1 | 0 | — | — | — | +1 | New | Q4 2025 | Feb 13, 2026 |
| JONES FINANCIAL COMPANIES LLLP | History | No change | 13 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| GROUP ONE TRADING LLC | History | No change | 409 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 12, 2026 |
| Parkside Financial Bank & Trust | History | No change | 233 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| HARBOR INVESTMENT ADVISORY, LLC | History | No change | 33 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Jan 07, 2026 |
| NewEdge Advisors, LLC | History | No change | 72 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 18, 2026 |
| Parallel Advisors, LLC | History | No change | 300 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 11, 2026 |
| Global Retirement Partners, LLC | History | No change | 366 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 06, 2026 |
| Archer Investment Corp | History | No change | 68 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Jan 30, 2026 |
| MTM Investment Management, LLC | History | No change | 40 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 09, 2026 |
| WOLFF WIESE MAGANA LLC | History | No change | 66 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Jan 14, 2026 |
| Coston, McIsaac & Partners | History | No change | 3 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 03, 2026 |