ESS Tech, Inc. (GWH) is held by institutional investors who disclose positions via SEC 13F filings. View the full list of institutional holders on HoldingsIntel.

Are institutions buying or selling GWH?

HoldingsIntel tracks quarter-over-quarter changes in institutional positions for ESS Tech, Inc., showing new buyers, position increases, decreases, and exits with conviction-weighted sentiment.

What is the Smart Money Verdict on GWH?

The Smart Money Verdict combines four independent signals (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for ESS Tech, Inc..

Is institutional money flowing into GWH?

29 institutional investors hold ESS Tech, Inc. (GWH). View detailed buyer/seller breakdown on HoldingsIntel.

What do hedge funds think about GWH?

Track institutional sentiment and conviction scores for ESS Tech, Inc. (GWH) including Smart Money Verdict and position changes on HoldingsIntel.

ESS Tech, Inc.

GWH·26916J106·UR·equity·Industrials - Electrical Equipment & Parts-13D/G

GWH (ESS Tech, Inc.) is held by 29 institutional investors as of Q4 2025. Largest holders: SOFTBANK GROUP CORP. ($4.5M), Alyeska Investment Group, L.P. ($2.6M), VANGUARD GROUP INC ($913,527). Net institutional sentiment: Bullish.

Holders

Avg rating(2 Elite)

$9.4M

Total Value

68% (35)

Fund Consensus

19 buying - 9 selling

Smart Money VerdictView all

54Mixed MomentumSplit Signals

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See how GWH's score breaks down across 4 SEC sources

Held by 29 funds

2 elite

Who's Trading

InsiderSuhadolnik Kate EileenSell $1KFeb 20, 2026

Insider

13F: Dec 31, 2025Insider & Congress: Updated regularly

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
SOFTBANK GROUP CORP.	Unchanged	2.4M	$4.5M	0.0%	-99.14%	0
Alyeska Investment Group, L.P.	New	1.4M	$2.6M	0.0%	-17.49%	36
VANGUARD GROUP INC	Increased	485,919(+83.8%)	$913,527	0.0%	-59.71%	26
GEODE CAPITAL MANAGEMENT, LLC	Increased	136,470(+140.2%)	$256,585	0.0%	-94.23%	25
JANE STREET GROUP, LLC	Increased	109,012(+122.7%)	$204,943	0.0%	-13.90%	25
Pathstone Holdings, LLC	New	88,982	$167,286	0.0%	-17.49%	31
JPMORGAN CHASE & CO	Increased	74,259(+436x)	$139,607	0.0%	-17.89%	24
FMR LLC	Increased	52,486	$98,674	0.0%	-75.41%	15
BlackRock, Inc.	Decreased	50,370(-5.2%)	$94,696	0.0%	-75.41%	0
XTX Topco Ltd	Increased	49,609(+137.8%)	$93,265	0.0%	-7.07%	35
STATE STREET CORP	Increased	46,975(+188.1%)	$88,313	0.0%	-78.82%	24
UBS Group AG	Increased	44,717(+201.1%)	$84,068	0.0%	-29.71%	24
Engineers Gate Manager LP	New	16,498	$31,016	0.0%	-17.49%	27
LPL Financial LLC	New	14,237	$26,766	0.0%	-17.49%	30
NORTHERN TRUST CORP	Unchanged	10,588	$19,905	0.0%	-97.25%	0
MILLENNIUM MANAGEMENT LLC	New	10,111	$19,009	0.0%	-17.49%	28
OSAIC HOLDINGS, INC.	Increased	6,106(+169.7%)	$11,478	0.0%	-78.20%	19
BANK OF AMERICA CORP /DE/	Increased	2,703(+5.9%)	$5,082	0.0%	-74.19%	11
PNC FINANCIAL SERVICES GROUP, INC.	Unchanged	2,443	$4,593	0.0%	-96.41%	0
MORGAN STANLEY	Decreased	2,087(-60.0%)	$3,924	0.0%	-84.79%	0
NATIONAL BANK OF CANADA /FI/	Unchanged	832	$1,523	0.0%	-77.19%	0
GROUP ONE TRADING LLC	Unchanged	409	$769	0.0%	-75.11%	0
BNP PARIBAS FINANCIAL MARKETS	Decreased	163(-63.5%)	$306	0.0%	-76.95%	0
NewEdge Advisors, LLC	Unchanged	72	$135	0.0%	-93.30%	0
WELLS FARGO & COMPANY/MN	Increased	45(+350.0%)	$85	0.0%	-15.75%	12
JONES FINANCIAL COMPANIES LLLP	Unchanged	13	$24	0.0%	-87.69%	0
TD Waterhouse Canada Inc.	New	13	$24	0.0%	-17.49%	17
CITIGROUP INC	New	1	$2	0.0%	-17.49%	17
ROYAL BANK OF CANADA	Increased	105(+4.0%)	$0	0.0%	-74.55%	8
RENAISSANCE TECHNOLOGIES LLC	Exited	0(-100.0%)	$41,891	0.0%	-81.27%	0
MATHER GROUP, LLC.	Exited	0(-100.0%)	$30	0.0%	+10.24%	0
Clear Street Group Inc.	Exited	0(-100.0%)	$192	0.0%	+10.24%	0
BARCLAYS PLC	Exited	0(-100.0%)	$2,538	0.0%	-73.49%	0
Allworth Financial LP	Exited	0(-100.0%)	$253	0.0%	-97.82%	0
CITADEL ADVISORS LLC	Exited	0(-100.0%)	$30,055	0.0%	+10.24%	0

ESS Tech, Inc.

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