GWH · ESS Tech, Inc. · Holdings

$0.38 +0.00 (+1.06%) At close · Sep 11

Market Cap

$12.56M

32.97M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Use institutional holdings through the 13F API or MCP →

Quarter:

Holders: 47

Total Value: $6,936,300

Total Shares: 7,301,391

Institutional Ownership Trend

23 quarters

Holder Concentration

Across 47 13F filers · Δ vs Mar 31, 2026

Top Holder

32.8%

+1.3 pts

Top 5

76.5%

−6.3 pts

Top 10

93.4%

−0.1 pts

HHI

1,732

Moderately concentrated+1

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: -5

Institutional value: -22.1%

Shares held: -4.1%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega UBS Group AG	+453,328	602,607
Mega BlackRock, Inc.	+83,497	133,867
Mega VANGUARD FIDUCIARY TRUST CO	+60,475	129,877
Mid Shay Capital LLC	+30,146	210,146
Mega NORTHERN TRUST CORP	+16,193	47,532

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Small HEIGHTS CAPITAL MANAGEMENT, INC	−414,874	548,621
Small Arosa Capital Management LP	−360,000	550,000
Mid GSA CAPITAL PARTNERS LLP	−134,533	11,045
Mega GEODE CAPITAL MANAGEMENT, LLC	−13,524	210,037
Mega JPMORGAN CHASE & CO	−11,640	19,896

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Small PKS Advisory Services, LLC	24,000	$22,800
Large RENAISSANCE TECHNOLOGIES LLC	12,700	$12,065
Mega BARCLAYS PLC	639	$607
Mid Global Retirement Partners, LLC	366	$347
Mid Larson Financial Group LLC	20	$19

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Mid Virtu Financial LLC	18,679	$21,854
Small TWO SIGMA SECURITIES, LLC	16,592	$19,412
Small Resurgent Financial Advisors LLC	15,606	$18,259
Mega LPL Financial LLC	14,429	$16,881
Mid Western Wealth Management, LLC	666	$779

Filter: New 5 Increased 13 Reduced 8 Sold out 10 Unchanged 21

Showing 47 of 47

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

SOFTBANK GROUP CORP.

$2,277,131

32.83%

2,396,980

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SB ENERGY GLOBAL HOLDINGS ONE LIMITED	2,396,980	$2,277,131	100.0%	Defined

Alyeska Investment Group, L.P.

$1,330,000

19.17%

1,400,000

VANGUARD CAPITAL MANAGEMENT LLC

$606,974

8.75%

638,920

UBS Group AG

$572,476

8.25%

602,607

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS AG	600,487	$570,462	99.6%	Defined
UBS Switzerland AG	2,120	$2,014	0.4%	Defined

Arosa Capital Management LP

$522,500

7.53%

550,000

HEIGHTS CAPITAL MANAGEMENT, INC

$521,189

7.51%

548,621

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
CVI Investments, Inc.	548,621	$521,189	100.0%	Other

Shay Capital LLC

$199,638

2.88%

210,146

GEODE CAPITAL MANAGEMENT, LLC

$199,535

2.88%

210,037

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	40,340	$38,323	19.2%	Defined
Held directly	169,697	$161,212	80.8%	Defined

BlackRock, Inc.

$127,171

1.83%

133,867

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BlackRock Investment Management, LLC	5,244	$4,981	3.9%	Sole
BlackRock Fund Advisors	78,252	$74,339	58.5%	Sole
BlackRock Institutional Trust Company, N.A.	50,366	$47,847	37.6%	Sole
Aperio Group, LLC	5	$4	0.0%	Sole

VANGUARD FIDUCIARY TRUST CO

$123,383

1.78%

129,877

Green Alpha Advisors, LLC

$109,986

1.59%

115,775

Pathstone Holdings, LLC

$84,532

1.22%

88,982

FMR LLC

$49,860

0.72%

52,485

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Fidelity Management & Research Co LLC	52,485	$49,860	100.0%	Defined

NORTHERN TRUST CORP

$45,155

0.65%

47,532

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	47,532	$45,155	100.0%	Defined

STATE STREET CORP

$44,626

0.64%

46,975

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SSGA FUNDS MANAGEMENT, INC. joint	46,975	$44,626	100.0%	Defined

PKS Advisory Services, LLC

$22,800

0.33%

24,000

BRIDGEWAY CAPITAL MANAGEMENT, LLC

$19,000

0.27%

20,000

JPMORGAN CHASE & CO

$18,901

0.27%

19,896

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
J.P. Morgan Securities LLC	19,740	$18,753	99.2%	Defined
J.P. Morgan Securities plc	156	$148	0.8%	Defined

PRIMORIS WEALTH ADVISORS, LLC

$15,675

0.23%

16,500

RENAISSANCE TECHNOLOGIES LLC

$12,065

0.17%

12,700

GSA CAPITAL PARTNERS LLP

$10,492

0.15%

11,045

OSAIC HOLDINGS, INC.

$7,940

0.11%

8,359

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	7,908	$7,512	94.6%	Defined
OSAIC INSTITUTIONS, INC.	399	$379	4.8%	Defined
Osaic Advisory Services, LLC	52	$49	0.6%	Defined

MORGAN STANLEY

$4,332

0.06%

4,561

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY CAPITAL SERVICES, LLC	269	$255	5.9%	Defined
MORGAN STANLEY SMITH BARNEY LLC	4,292	$4,077	94.1%	Defined

Golden State Wealth Management, LLC

$2,571

0.04%

2,707

Rockefeller Capital Management L.P.

$1,922

0.03%

2,024

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
ROCKEFELLER FINANCIAL LLC	2,024	$1,922	100.0%	Defined

Vanguard Global Advisers, LLC

$1,248

0.02%

1,314

Parkside Financial Bank & Trust

$950

0.01%

1,000

SBI Securities Co., Ltd.

$931

0.01%

981

NATIONAL BANK OF CANADA /FI/

$790

0.01%

832

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
National Bank Financial Inc.	832	$790	100.0%	Defined

BARCLAYS PLC

$607

0.01%

639

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS CAPITAL INC.	639	$607	100.0%	Defined

GROUP ONE TRADING LLC

$388

0.01%

409

Global Retirement Partners, LLC

$347

0.01%

366

HARBOUR INVESTMENTS, INC.

$230

0.00%

243

Smartleaf Asset Management LLC

$190

0.00%

200

JONES FINANCIAL COMPANIES LLLP

$157

0.00%

166

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Edward D. Jones & Co., L.P.	166	$157	100.0%	Sole

BNP PARIBAS ARBITRAGE, SA

$149

0.00%

157

ROYAL BANK OF CANADA

$117

0.00%

124

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC Dominion Securities Inc.	90	$85	72.6%	Defined
Held directly	34	$32	27.4%	Sole

NewEdge Advisors, LLC

$68

0.00%

Archer Investment Corp

$64

0.00%

WOLFF WIESE MAGANA LLC

$62

0.00%

MTM Investment Management, LLC

$38

0.00%

WELLS FARGO & COMPANY/MN

$34

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO CLEARING SERVICES, LLC	36	$34	100.0%	Defined

HARBOR INVESTMENT ADVISORY, LLC

$31

0.00%

MATHER GROUP, LLC.

$19

0.00%

Larson Financial Group LLC

$19

0.00%

Pinnacle Wealth Planning Services, Inc.

0.00%

Coston, McIsaac & Partners

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Virtu Americas LLC	18,679	$21,854	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	1	$1	100.0%	Defined

Key facts CIK 1819438 CUSIP 26916J205 13F (30d) 15 filings 15 filers Visit website Investor relations