ESS Tech, Inc.

GWHNYSE

$0.160.00 (0.00%)as of Oct 2, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

ESS Tech, Inc. price and activity chart data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (-89.7%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
Softbank Group Corp.	7.29%	$2.28M	0.01%	Not reported
Alyeska Investment Group, L.P.	4.26%	$1.33M	0.00%	Not reported
Vanguard Capital Management LLC	1.94%	$607K	0.00%	Not reported
UBS Group AG	1.83%	$572K	0.00%	Not reported
Arosa Capital Management LP	1.67%	$523K	0.09%	Reduce 39.56%
Heights Capital Management, Inc	1.67%	$521K	0.12%	Reduce 43.06%
Shay Capital LLC	0.64%	$200K	0.01%	Not reported
Geode Capital Management, LLC	0.64%	$200K	0.00%	Not reported
BlackRock, Inc.	0.41%	$127K	0.00%	Not reported
Vanguard Fiduciary Trust Co	0.39%	$123K	0.00%	Not reported
Green Alpha Advisors, LLC	0.35%	$110K	0.07%	Add 1.04%
Pathstone Holdings, LLC	0.27%	$85.1K	0.00%	Not reported
FMR LLC	0.16%	$49.9K	0.00%	Not reported
Northern Trust Corp	0.14%	$45.2K	0.00%	Not reported
State Street Corp	0.14%	$44.6K	0.00%	Not reported
PKS Advisory Services, LLC	0.07%	$22.8K	0.00%	New Not reported
Bridgeway Capital Management, LLC	0.06%	$19K	0.00%	Not reported
JPMorgan Chase & Co	0.06%	$19.6K	0.00%	Not reported
Primoris Wealth Advisors, LLC	0.05%	$15.7K	0.01%	Not reported
Renaissance Technologies LLC	0.04%	$12.1K	0.00%	Not reported
Gsa Capital Partners LLP	0.03%	$10K	0.00%	Not reported
Osaic Holdings, Inc.	0.03%	$7.94K	0.00%	Not reported
Morgan Stanley	0.01%	$4.33K	0.00%	Not reported
Golden State Wealth Management, LLC	0.01%	$2.57K	0.00%	Not reported
Rockefeller Capital Management L.P.	0.01%	$1.92K	0.00%	Not reported
Vanguard Global Advisers, LLC	0.00%	$1.25K	0.00%	Not reported
SBI Securities Co., Ltd.	0.00%	$932	0.00%	Not reported
Barclays PLC	0.00%	$607	0.00%	Not reported
Global Retirement Partners, LLC	0.00%	$348	0.00%	Not reported
Harbour Investments, Inc.	0.00%	$231	0.00%	Not reported
Smartleaf Asset Management LLC	0.00%	$197	0.00%	Not reported
Jones Financial Companies LLLP	0.00%	$141	0.00%	Not reported
BNP Paribas Financial Markets	0.00%	$149	0.00%	Not reported
Archer Investment Corp	0.00%	$130	0.00%	Add 100.00%
Royal Bank of Canada	0.00%	$0	0.00%	Not reported
NewEdge Advisors, LLC	0.00%	$68	0.00%	Not reported
Wolff Wiese Magana LLC	0.00%	$63	0.00%	Not reported
MTM Investment Management, LLC	0.00%	$38	0.00%	Not reported
Wells Fargo & Company	0.00%	$34	0.00%	Not reported
Harbor Investment Advisory, LLC	0.00%	$31	0.00%	Not reported
Mather Group, LLC.	0.00%	$19	0.00%	Not reported
Larson Financial Group LLC	0.00%	$19	0.00%	Not reported
Pinnacle Wealth Planning Services, Inc.	0.00%	$6	0.00%	Not reported

End of history · 43 holders

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