ESS Tech, Inc. - GWH

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q1 2026 · Compare: Q4 2025
13D/13G major owners: Ownership tab.
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 2,804 0.02% 0.03% 1 0 0.0% Q1 2026 May 15, 2026
Alyeska Investment Group, L.P. History No change 1,400,000 1,638 0.0% 0.01% 2 0 0.0% Q1 2026 May 15, 2026
HEIGHTS CAPITAL MANAGEMENT, INC History New 963,495 1,127 0.31% 3 +963,495 New Q1 2026 May 15, 2026
Arosa Capital Management LP History Reduced 910,000 1,064 0.16% 0.22% 4 -40,000 -4.21% Q1 2026 May 15, 2026
VANGUARD GROUP INC History No change 485,919 913 0.0% 0.0% 5 0 0.0% Q4 2025 Jan 29, 2026
VANGUARD CAPITAL MANAGEMENT LLC History New 634,720 742 0.0% 6 +634,720 New Q1 2026 May 15, 2026
GEODE CAPITAL MANAGEMENT, LLC History Added to 223,561 261 0.0% 0.0% 7 +87,091 63.82% Q1 2026 May 15, 2026
Shay Capital LLC History No change 180,000 210 0.02% 0.03% 8 0 0.0% Q1 2026 May 15, 2026
UBS Group AG History Added to 149,279 174 0.0% 0.0% 9 +104,562 233.83% Q1 2026 May 05, 2026
GSA CAPITAL PARTNERS LLP History Added to 145,578 170 0.01% 0.01% 10 +70,854 94.82% Q1 2026 May 08, 2026
Green Alpha Advisors, LLC History Reduced 114,580 134 0.13% 0.2% 11 -4,103 -3.46% Q1 2026 Apr 07, 2026
Pathstone Holdings, LLC History Reduced 87,448 102 0.0% 0.0% 12 -1,534 -1.72% Q1 2026 May 11, 2026
VANGUARD FIDUCIARY TRUST CO History New 69,402 81 0.0% 13 +69,402 New Q1 2026 May 08, 2026
FMR LLC History Added to 52,489 61 0.0% 0.0% 14 +3 0.01% Q1 2026 May 15, 2026
BlackRock, Inc. History No change 50,370 58 0.0% 0.0% 15 0 0.0% Q1 2026 May 13, 2026
STATE STREET CORP History No change 46,975 54 0.0% 0.0% 16 0 0.0% Q1 2026 May 15, 2026
NORTHERN TRUST CORP History Added to 31,339 36 0.0% 0.0% 17 +20,751 195.99% Q1 2026 May 14, 2026
JPMORGAN CHASE & CO History Reduced 31,536 35 0.0% 0.0% 18 -42,723 -57.53% Q1 2026 May 13, 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLC History Added to 20,000 23 0.0% 0.0% 19 +10,000 100.0% Q1 2026 May 15, 2026
Virtu Financial LLC History New 18,679 22 0.0% 20 +18,679 New Q1 2026 May 14, 2026
TWO SIGMA SECURITIES, LLC History New 16,592 19 0.0% 22 +16,592 New Q1 2026 May 15, 2026
PRIMORIS WEALTH ADVISORS, LLC History Added to 16,500 19 0.01% 0.01% 21 +6,500 65.0% Q1 2026 Apr 30, 2026
Resurgent Financial Advisors LLC History New 15,606 18 0.01% 23 +15,606 New Q1 2026 May 12, 2026
LPL Financial LLC History Added to 14,429 16 0.0% 0.0% 24 +192 1.35% Q1 2026 May 06, 2026
OSAIC HOLDINGS, INC. History Added to 6,239 7 0.0% 0.0% 25 +133 2.18% Q1 2026 May 15, 2026
MORGAN STANLEY History Added to 4,588 5 0.0% 0.0% 26 +2,501 119.84% Q1 2026 May 15, 2026
Golden State Wealth Management, LLC History No change 2,707 3 0.0% 0.0% 27 0 0.0% Q1 2026 Apr 28, 2026
Rockefeller Capital Management L.P. History New 2,024 2 0.0% 28 +2,024 New Q1 2026 May 14, 2026
Vanguard Global Advisers, LLC History New 1,314 1 0.0% 29 +1,314 New Q1 2026 May 08, 2026
JANE STREET GROUP, LLC History Closed out 0 0 0.0% -109,012 -100.0% Q1 2026 May 12, 2026
XTX Topco Ltd History Closed out 0 0 0.0% -49,609 -100.0% Q1 2026 May 15, 2026
Engineers Gate Manager LP History Closed out 0 0 0.0% -16,498 -100.0% Q1 2026 May 15, 2026
MILLENNIUM MANAGEMENT LLC History Closed out 0 0 0.0% -10,111 -100.0% Q1 2026 May 15, 2026
BANK OF AMERICA CORP /DE/ History Closed out 0 0 0.0% -2,703 -100.0% Q1 2026 May 15, 2026
CWM, LLC History Reduced 6 0 0.0% -2,666 -99.78% Q1 2026 May 14, 2026
Tower Research Capital LLC (TRC) History Closed out 0 0 0.0% -2,494 -100.0% Q1 2026 May 15, 2026
PNC FINANCIAL SERVICES GROUP, INC. History Closed out 0 0 0.0% -2,443 -100.0% Q1 2026 May 08, 2026
Western Wealth Management, LLC History New 666 0 +666 New Q1 2026 May 19, 2026
Parallel Advisors, LLC History Closed out 0 0 -300 -100.0% Q1 2026 May 07, 2026
SBI Securities Co., Ltd. History Reduced 380 0 0.0% -191 -33.45% Q1 2026 Apr 27, 2026
JONES FINANCIAL COMPANIES LLLP History Added to 166 0 +153 1176.92% Q1 2026 May 15, 2026
HARBOUR INVESTMENTS, INC. History New 149 0 +149 New Q1 2026 May 15, 2026
Fortitude Family Office, LLC History Closed out 0 0 -120 -100.0% Q1 2026 Apr 15, 2026
MCGUIRE CAPITAL ADVISORS INC History Closed out 0 0 -81 -100.0% Q1 2026 May 14, 2026
NewEdge Advisors, LLC History Closed out 0 0 -72 -100.0% Q1 2026 May 15, 2026
MATHER GROUP, LLC. History New 20 0 +20 New Q1 2026 Apr 13, 2026
Navalign, LLC History Closed out 0 0 -13 -100.0% Q1 2026 Apr 29, 2026
TD Waterhouse Canada Inc. History Closed out 0 0 -13 -100.0% Q1 2026 May 12, 2026
WELLS FARGO & COMPANY/MN History Reduced 36 0 -9 -20.0% Q1 2026 May 11, 2026
ROYAL BANK OF CANADA History Added to 112 0 +7 6.67% Q1 2026 May 15, 2026
CITIGROUP INC History No change 1 0 0 0.0% Q1 2026 May 11, 2026
NATIONAL BANK OF CANADA /FI/ History No change 832 0 0.0% 0 0.0% Q1 2026 May 14, 2026
GROUP ONE TRADING LLC History No change 409 0 0 0.0% Q1 2026 May 13, 2026
BNP PARIBAS FINANCIAL MARKETS History No change 163 0 0 0.0% Q1 2026 May 12, 2026
Parkside Financial Bank & Trust History No change 233 0 0 0.0% Q1 2026 May 13, 2026
HARBOR INVESTMENT ADVISORY, LLC History No change 33 0 0 0.0% Q1 2026 Apr 23, 2026
Pinnacle Wealth Planning Services, Inc. History No change 6 0 0 0.0% Q1 2026 May 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% Q1 2026 May 04, 2026
MTM Investment Management, LLC History No change 40 0 0 0.0% Q1 2026 May 06, 2026
WOLFF WIESE MAGANA LLC History No change 66 0 0 0.0% Q1 2026 Apr 13, 2026
Missouri Trust & Investment Co History No change 633 0 0.0% 0 0.0% Q1 2026 May 14, 2026
Coston, McIsaac & Partners History No change 3 0 0 0.0% Q1 2026 Apr 22, 2026
Smartleaf Asset Management LLC History No change 200 0 0 0.0% Q1 2026 May 15, 2026
Signature Equity Partners, LLC History No change 10 0 0 0.0% Q1 2026 May 13, 2026
Hilton Head Capital Partners, LLC History No change 8 0 0 0.0% Q1 2026 Apr 20, 2026