ESS Tech Ownership | Who Owns ESS Tech?

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ESS Tech Ownership Summary

ESS Tech is owned by 25.12% institutional investors, 29.97% insiders, and 44.91% retail investors. Softbank group is the largest institutional shareholder, holding 19.92% of GWH shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 1.21% of its assets in ESS Tech shares.

GWH Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	ESS Tech	25.12%	29.97%	44.91%
Sector	Industrials Stocks	64.07%	12.69%	23.24%
Industry	Electrical Equipment Stocks	41.64%	18.77%	39.59%
Idea	Energy Storage Stocks List	33.29%	16.64%	50.07%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Softbank group	2.40M	19.92%	$3.19M
Millennium management	1.78M	1.02%	$1.45M
Geode capital management	870.61K	0.50%	$712.22K
Blackrock	835.49K	0.48%	$683.35K
Blackrock funding, inc. /de	53.15K	0.44%	$70.68K
Goldman sachs group	636.48K	0.36%	$520.57K
Charles schwab investment management	569.56K	0.33%	$465.84K
State street	308.22K	0.18%	$252.10K
Laird norton trust company	21.18K	0.18%	$28.18K
Morgan stanley	230.26K	0.13%	$188.33K

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Green alpha advisors	12.38K	0.02%	$16.47K
Softbank group	2.40M	0.01%	$3.19M
Laird norton trust company	21.18K	0.00%	$28.18K
Xtx topco	14.72K	0.00%	$19.58K
Millennium management	1.78M	0.00%	$1.45M
Blair william & co/il	21.25K	0.00%	$17.38K
Group one trading	37.14K	0.00%	$30.38K
Geode capital management	870.61K	0.00%	$712.22K
Charles schwab investment management	569.56K	0.00%	$465.84K
Missouri trust & investment	333.00	0.00%	$443.00

Top Buyers

Holder	Shares	% Assets	Change
Millennium management	1.78M	0.00%	1.67M
Goldman sachs group	636.48K	0.00%	475.90K
Aqr capital management	102.26K	0.00%	102.26K
Morgan stanley	230.26K	-	39.28K
Russell investments group	22.87K	-	22.87K

Top Sellers

Holder	Shares	% Assets	Change
Blackrock	835.49K	-	-4.80M
Vanguard group	-	-	-2.88M
State street	308.22K	-	-1.59M
Geode capital management	870.61K	0.00%	-995.44K
Fmr	-	-	-804.25K

New Positions

Holder	Shares	% Assets	Change	Value
Aqr capital management	102.26K	0.00%	102.26K	$83.64K
Russell investments group	22.87K	-	22.87K	$18.70K
Xtx topco	14.72K	0.00%	14.72K	$19.58K
Macquarie group	4.67K	-	4.67K	$3.82K
Raymond james financial	348.00	-	348.00	$463.00

Sold Out

Holder	Change
Financial gravity asset management	-12.00
Jackson, grant investment advisers	-20.00
Mather group, llc.	-20.00
Nelson, van denburg & campbell wealth management group	-24.00
Ifp advisors	-33.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2025	46	4.55%	3,022,717	-10.23%	25	3.21%	16	220.00%	8	-38.46%
Mar 31, 2025	44	-20.00%	3,381,421	-2.76%	28	3.24%	7	-70.83%	12	20.00%
Dec 31, 2024	54	14.89%	3,477,106	6.37%	29	3.84%	23	187.50%	10	-74.36%
Sep 30, 2024	47	-53.47%	3,268,754	-93.67%	27	3.21%	8	-82.61%	39	39.29%
Jun 30, 2024	101	-0.98%	51,623,146	-8.60%	29	2.37%	45	32.35%	28	-15.15%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard Total Stock Mkt Idx Inv	162.28K	1.21%	-3.55K
Fidelity Select Technology	52.48K	0.41%	-
Vanguard Institutional Extnd Mkt Idx Tr	43.09K	0.32%	-19.64K
Fidelity Extended Market Index	25.32K	0.20%	-
NT R2000 Value Index Fund - NL	279.54K	0.16%	5.86K
NT R2000 Index Fund - NL	224.52K	0.13%	-9.51K
NT R2000 Value Index Fund - L	184.53K	0.10%	4.69K
Northern Trust Russell 2000 Value Index	184.53K	0.10%	4.69K
BlackRock Extended Equity Market K	11.89K	0.10%	-5.00
NT R2000 Index Fund - DC - NL - 2	177.66K	0.10%	-8.19K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Nov 18, 2024	Dresselhuys Eric P.	Chief Executive Officer	Buy	$5.23K
Sep 11, 2024	Nijhawan Sandeep	-	Sell	$40.04K
Aug 30, 2024	Teamey Kyle	-	Buy	$955.66
May 14, 2024	Teamey Kyle	-	Buy	$987.38
May 10, 2024	Quarls Harry	-	Buy	$44.99K

Insider Transactions Trends

Date	Buy	Sell
2025 Q3	-	-
2025 Q2	-	-
2025 Q1	-	-
2024 Q4	1	-
2024 Q3	1	1

GWH Ownership FAQ

Who Owns ESS Tech?

ESS Tech shareholders are primarily institutional investors at 25.12%, followed by 29.97% insiders and 44.91% retail investors. The average institutional ownership in ESS Tech's industry, Electrical Equipment Stocks, is 41.64%, which ESS Tech falls below.

Who owns the most shares of ESS Tech?

ESS Tech’s largest shareholders are Softbank group (2.4M shares, 19.92%), Millennium management (1.78M shares, 1.02%), and Geode capital management (870.61K shares, 0.50%). Together, they hold 21.44% of ESS Tech’s total shares outstanding.

Does Blackrock own ESS Tech?

Yes, BlackRock owns 0.48% of ESS Tech, totaling 835.49K shares as of Jun 2024. This represents 0% of BlackRock's total assets, with a market value of 683.35K$. In the last quarter, BlackRock decreased its holdings by -4.804M shares, a -85.18% change.

Who is ESS Tech’s biggest shareholder by percentage of total assets invested?

Green alpha advisors is ESS Tech’s biggest shareholder by percentage of total assets invested, with 0.02% of its assets in 12.38K ESS Tech shares, valued at 16.47K$.

Who is the top mutual fund holder of ESS Tech shares?

Vanguard Total Stock Mkt Idx Inv is the top mutual fund holder of ESS Tech shares, with 1.21% of its total shares outstanding invested in 162.28K ESS Tech shares.

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