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 | 2,277 | 0.01% | 0.02% | 1 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Alyeska Investment Group, L.P. | History | No change | 1,400,000 | 1,330 | 0.0% | 0.0% | 2 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | Added to | 638,920 | 606 | 0.0% | 0.0% | 3 | +4,200 | 0.66% | Q2 2026 | Aug 13, 2026 |
| UBS Group AG | History | Added to | 602,607 | 572 | 0.0% | 0.0% | 4 | +453,328 | 303.68% | Q2 2026 | Aug 13, 2026 |
| Arosa Capital Management LP | History | Reduced | 550,000 | 522 | 0.09% | 0.16% | 5 | -360,000 | -39.56% | Q2 2026 | Aug 14, 2026 |
| HEIGHTS CAPITAL MANAGEMENT, INC | History | Reduced | 548,621 | 521 | 0.12% | 0.31% | 6 | -414,874 | -43.06% | Q2 2026 | Aug 14, 2026 |
| Shay Capital LLC | History | Added to | 210,146 | 199 | 0.01% | 0.02% | 8 | +30,146 | 16.75% | Q2 2026 | Aug 14, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Reduced | 210,037 | 199 | 0.0% | 0.0% | 7 | -13,524 | -6.05% | Q2 2026 | Aug 12, 2026 |
| BlackRock, Inc. | History | Added to | 133,867 | 127 | 0.0% | 0.0% | 9 | +83,497 | 165.77% | Q2 2026 | Aug 07, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | Added to | 129,877 | 123 | 0.0% | 0.0% | 10 | +60,475 | 87.14% | Q2 2026 | Aug 13, 2026 |
| Green Alpha Advisors, LLC | History | Added to | 115,775 | 109 | 0.07% | 0.13% | 11 | +1,195 | 1.04% | Q2 2026 | Aug 11, 2026 |
| Pathstone Holdings, LLC | History | Added to | 88,982 | 85 | 0.0% | 0.0% | 12 | +1,534 | 1.75% | Q2 2026 | Aug 13, 2026 |
| FMR LLC | History | Reduced | 52,485 | 49 | 0.0% | 0.0% | 13 | -4 | -0.01% | Q2 2026 | Aug 13, 2026 |
| NORTHERN TRUST CORP | History | Added to | 47,532 | 45 | 0.0% | 0.0% | 14 | +16,193 | 51.67% | Q2 2026 | Aug 13, 2026 |
| STATE STREET CORP | History | No change | 46,975 | 44 | 0.0% | 0.0% | 15 | 0 | 0.0% | Q2 2026 | Sep 22, 2026 |
| PKS Advisory Services, LLC | History | New | 24,000 | 22 | 0.0% | — | 16 | +24,000 | New | Q2 2026 | Aug 04, 2026 |
| JPMORGAN CHASE & CO | History | Reduced | 19,896 | 19 | 0.0% | 0.0% | 17 | -11,640 | -36.91% | Q2 2026 | Aug 12, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | History | No change | 20,000 | 19 | 0.0% | 0.0% | 18 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| PRIMORIS WEALTH ADVISORS, LLC | History | No change | 16,500 | 15 | 0.01% | 0.01% | 19 | 0 | 0.0% | Q2 2026 | Jul 29, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | New | 12,700 | 12 | 0.0% | — | 20 | +12,700 | New | Q2 2026 | Aug 13, 2026 |
| GSA CAPITAL PARTNERS LLP | History | Reduced | 11,045 | 10 | 0.0% | 0.01% | 21 | -134,533 | -92.41% | Q2 2026 | Aug 06, 2026 |
| OSAIC HOLDINGS, INC. | History | Added to | 8,359 | 7 | 0.0% | 0.0% | 22 | +2,120 | 33.98% | Q2 2026 | Aug 14, 2026 |
| MORGAN STANLEY | History | Reduced | 4,561 | 4 | 0.0% | 0.0% | 23 | -27 | -0.59% | Q2 2026 | Aug 13, 2026 |
| Golden State Wealth Management, LLC | History | No change | 2,707 | 2 | 0.0% | 0.0% | 24 | 0 | 0.0% | Q2 2026 | Jul 22, 2026 |
| Rockefeller Capital Management L.P. | History | No change | 2,024 | 1 | 0.0% | 0.0% | 25 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| Vanguard Global Advisers, LLC | History | No change | 1,314 | 1 | 0.0% | 0.0% | 26 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| Virtu Financial LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -18,679 | -100.0% | Q2 2026 | Aug 13, 2026 |
| TWO SIGMA SECURITIES, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -16,592 | -100.0% | Q2 2026 | Aug 14, 2026 |
| Resurgent Financial Advisors LLC | History | Closed out | 0 | 0 | — | 0.01% | — | -15,606 | -100.0% | Q2 2026 | Aug 14, 2026 |
| LPL Financial LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -14,429 | -100.0% | Q2 2026 | Aug 07, 2026 |
| Parkside Financial Bank & Trust | History | Added to | 1,000 | 0 | — | — | — | +767 | 329.18% | Q2 2026 | Sep 04, 2026 |
| BARCLAYS PLC | History | New | 639 | 0 | — | — | — | +639 | New | Q2 2026 | Aug 14, 2026 |
| Missouri Trust & Investment Co | History | Closed out | 0 | 0 | — | — | — | -633 | -100.0% | Q2 2026 | Aug 13, 2026 |
| SBI Securities Co., Ltd. | History | Added to | 981 | 0 | — | — | — | +601 | 158.16% | Q2 2026 | Jul 22, 2026 |
| Global Retirement Partners, LLC | History | New | 366 | 0 | — | — | — | +366 | New | Q2 2026 | Aug 06, 2026 |
| HARBOUR INVESTMENTS, INC. | History | Added to | 243 | 0 | — | — | — | +94 | 63.09% | Q2 2026 | Aug 12, 2026 |
| Larson Financial Group LLC | History | New | 20 | 0 | — | — | — | +20 | New | Q2 2026 | Aug 14, 2026 |
| ROYAL BANK OF CANADA | History | Added to | 124 | 0 | — | — | — | +12 | 10.71% | Q2 2026 | Aug 14, 2026 |
| Signature Equity Partners, LLC | History | Closed out | 0 | 0 | — | — | — | -10 | -100.0% | Q2 2026 | Jul 30, 2026 |
| Hilton Head Capital Partners, LLC | History | Closed out | 0 | 0 | — | — | — | -8 | -100.0% | Q2 2026 | Jul 27, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Reduced | 157 | 0 | — | — | — | -6 | -3.68% | Q2 2026 | Aug 13, 2026 |
| CITIGROUP INC | History | Closed out | 0 | 0 | — | — | — | -1 | -100.0% | Q2 2026 | Aug 03, 2026 |
| WELLS FARGO & COMPANY/MN | History | No change | 36 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| JONES FINANCIAL COMPANIES LLLP | History | No change | 166 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| NATIONAL BANK OF CANADA /FI/ | History | No change | 832 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Aug 10, 2026 |
| GROUP ONE TRADING LLC | History | No change | 409 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| HARBOR INVESTMENT ADVISORY, LLC | History | No change | 33 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Jul 07, 2026 |
| MATHER GROUP, LLC. | History | No change | 20 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Jul 27, 2026 |
| CWM, LLC | History | No change | 6 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| NewEdge Advisors, LLC | History | No change | 72 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Aug 12, 2026 |
| Pinnacle Wealth Planning Services, Inc. | History | No change | 6 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Aug 07, 2026 |
| Archer Investment Corp | History | No change | 68 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Aug 03, 2026 |
| MTM Investment Management, LLC | History | No change | 40 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Aug 03, 2026 |
| WOLFF WIESE MAGANA LLC | History | No change | 66 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Jul 13, 2026 |
| Coston, McIsaac & Partners | History | No change | 3 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Aug 12, 2026 |
| Smartleaf Asset Management LLC | History | No change | 200 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Aug 12, 2026 |