ESS Tech, Inc. (GWH) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

2,503,719Shares held by institutions

$2,766,610Value of institutional holdings

24.66%Institutional ownership %

1.11%Shares Changed QoQ

49No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

ESS Tech, Inc. (NYSE:GWH) has 55 institutional investors that have filed 13F reports for the period ending December 2025.

Their combined ownership stood at 44.9% of outstanding shares in December 2025, up from 26.3% in September 2025.
They increased total shares held in GWH by 75.12% quarter over quarter, and investors in ESS Tech increased 1.85% from a year ago.
Of these 55 funds, 33 grew their exposure to ESS Tech, 6 cut back, and 16 maintained positions.
In total, institutional investors held 6.36Mn shares in ESS Tech as of December 2025, up by 2.73Mn shares quarter on quarter, and up 2.89Mn shares year over year.
As of December 31, 2025, the biggest holder of ESS Tech is SOFTBANK GROUP CORP. at 2.4Mn shares, representing 16.93% of shares outstanding.
The biggest buyers of ESS Tech for the quarter ending December 2025 included Alyeska Investment Group, L.P. (1.4Mn), Arosa Capital Management LP (274.58K), VANGUARD GROUP INC (221.59K), Shay Capital LLC (180.0K), Green Alpha Advisors, LLC (108.06K).
Leading sellers of ESS Tech shares for the quarter ending December 2025 were Morgan Stanley (3.13K), BlackRock, Inc. (2.78K), Bank Of America Corp /De/ (2.4K), Tower Research Capital LLC (TRC) (2.15K), BNP PARIBAS FINANCIAL MARKETS (284).
Per Business Quant, the top 10 investors in GWH for the quarter ending December 2025 include SOFTBANK GROUP CORP. (2.4Mn), Alyeska Investment Group, L.P. (1.4Mn), Arosa Capital Management LP (950.0K), VANGUARD GROUP INC (485.92K), Shay Capital LLC (180.0K), GEODE CAPITAL MANAGEMENT, LLC (136.47K), Green Alpha Advisors, LLC (118.68K), JANE STREET GROUP, LLC (109.01K), Pathstone Holdings, LLC (88.98K), GSA CAPITAL PARTNERS LLP (74.72K).

55 Institutional Holders

2,503,719 Total Shares Held

Rows:

Download Data

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	-2,779	-5.23%	$0.00
SOFTBANK GROUP CORP.	31 Dec, 2025	0	0.00%	$0.00
Shay Capital LLC	31 Dec, 2025	180,000	0.00%	$0.00
Alyeska Investment Group, L.P.	31 Dec, 2025	1,400,000	0.00%	$0.00
Pathstone Holdings, LLC	31 Dec, 2025	88,982	0.00%	$0.00
Arosa Capital Management LP	31 Dec, 2025	274,583	40.65%	$0.00
XTX Topco Ltd	31 Dec, 2025	49,609	0.00%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	221,587	83.83%	$0.00
UBS Group AG	31 Dec, 2025	29,864	201.06%	$0.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	79,657	140.21%	$0.00
Engineers Gate Manager LP	31 Dec, 2025	16,498	0.00%	$0.00
Green Alpha Advisors, LLC	31 Dec, 2025	108,055	1,016.70%	$0.00
PRIMORIS WEALTH ADVISORS, LLC	31 Dec, 2025	10,000	0.00%	$0.00
JANE STREET GROUP, LLC	31 Dec, 2025	60,054	122.66%	$0.00
OSAIC HOLDINGS, INC.	31 Dec, 2025	3,842	169.70%	$0.00
GSA CAPITAL PARTNERS LLP	31 Dec, 2025	74,724	0.00%	$0.00
Golden State Wealth Management, LLC	31 Dec, 2025	-13	-0.48%	$0.00
Jpmorgan Chase & Co	31 Dec, 2025	73,919	21,740.88%	$0.00
Missouri Trust & Investment Co	31 Dec, 2025	0	0.00%	$0.00
FMR LLC	31 Dec, 2025	1	0.00%	$0.00

1 - 20 of 55

Research Tools