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ESS Tech, Inc.

GWH
Exchange
NYSE
Industry
Miscellaneous Electrical Machinery, Equipment & Supplies
SEC CIK
0001819438

In the last 90 days, ESS Tech, Inc. insiders filed 0 open-market purchases and 2 sales; 47 institutions reported holding it in 13F filings for Q2 2026, worth $6.94M in total; no superinvestor holds it.

Other share classesGWHWW

13F holders, Q1 2023

Institutional positions in ESS Tech, Inc. as of Mar 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
102
−3 vs. Q4 2022
Shares held
63.9M
−366.1K (−0.6%) vs. Q4 2022
Total value
$88.9M
−$67.3M (−43.1%) vs. Q4 2022
New holders
22
25 more added
Sold out
25
24 more reduced

2 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2022: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting GWH on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2023: 102 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 4 institutionsQ4 2021: 58 institutionsQ1 2022: 75 institutionsQ2 2022: 97 institutionsQ3 2022: 94 institutionsQ4 2022: 107 institutionsQ1 2023: 102 institutionsQ2 2023: 91 institutionsQ3 2023: 101 institutionsQ4 2023: 108 institutionsQ1 2024: 104 institutionsQ2 2024: 103 institutionsQ3 2024: 50 institutionsQ4 2024: 56 institutionsQ1 2025: 45 institutionsQ2 2025: 49 institutionsQ3 2025: 46 institutionsQ4 2025: 55 institutionsQ1 2026: 51 institutionsQ2 2026: 47 institutions
Value heldQ1 2023: $88.9M
Q1 2021: $0Q2 2021: $0Q3 2021: $9.04MQ4 2021: $622.1MQ1 2022: $331.4MQ2 2022: $175.7MQ3 2022: $257.8MQ4 2022: $156.2MQ1 2023: $88.9MQ2 2023: $86.9MQ3 2023: $114.0MQ4 2023: $69.4MQ1 2024: $40.9MQ2 2024: $42.3MQ3 2024: $20.7MQ4 2024: $20.5MQ1 2025: $11.0MQ2 2025: $4.02MQ3 2025: $5.69MQ4 2025: $11.9MQ1 2026: $8.90MQ2 2026: $6.94M
Institutions holding GWH and their total value by quarter
QuarterHoldersValue
Q2 202647$6.94M
Q1 202651$8.90M
Q4 202555$11.9M
Q3 202546$5.69M
Q2 202549$4.02M
Q1 202545$11.0M
Q4 202456$20.5M
Q3 202450$20.7M
Q2 2024103$42.3M
Q1 2024104$40.9M
Q4 2023108$69.4M
Q3 2023101$114.0M
Q2 202391$86.9M
Q1 2023102$88.9M
Q4 2022107$156.2M
Q3 202294$257.8M
Q2 202297$175.7M
Q1 202275$331.4M
Q4 202158$622.1M
Q3 20214$9.04M
Q2 20210$0
Q1 20210$0

Institutions, Q1 2023

Shares, value and share of portfolio for each institution holding ESS Tech, Inc.; share changes are against Q4 2022.

Institutions holding GWH in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Softbank Group Corp35,953,699$50.0M0.64%00.0%Unchanged
BlackRock Inc.4,750,929$6.60M0.00%−67,924−1.4%Reduced
Invesco Ltd.3,417,415$4.75M0.00%−920,474−21.2%Reduced
Vanguard Group Inc3,238,036$4.50M0.00%+152,334+4.9%Added
Legal & General Group Plc3,150,862$4.41M0.00%−32,903−1.0%Reduced
State Street Corp1,765,385$2.45M0.00%+4310.0%Added
Mirae Asset Global Investments Co., Ltd.1,335,848$1.86M0.00%+1,335,848New
Geode Capital Management, LLC1,249,598$1.74M0.00%+37,187+3.1%Added
Millennium Management LLC937,929$1.30M0.00%+937,929New
First Trust Advisors LP922,734$1.28M0.00%−38,805−4.0%Reduced
FMR LLC791,472$1.10M0.00%+3,577+0.5%Added
Northern Trust Corp666,258$926.1K0.00%+2,825+0.4%Added
Blair William & Co620,915$863.1K0.00%00.0%Unchanged
JPMorgan Chase & Co598,876$832.4K0.00%+274,798+84.8%Added
Charles Schwab Investment Management Inc480,173$667.4K0.00%−4,257−0.9%Reduced
Laird Norton Trust Company, LLC353,453$491.3K0.06%00.0%Unchanged
Nuveen Asset Management, LLC246,199$342.0K0.00%−2,740−1.1%Reduced
Weiss Asset Management LP237,538$330.2K0.03%+237,538New
Bank of New York Mellon Corp214,869$298.7K0.00%−9,042−4.0%Reduced
Morgan Stanley167,618$233.0K0.00%−21,605−11.4%Reduced
Renaissance Technologies LLC151,200$210.0K0.00%+151,200New
Goldman Sachs Group Inc143,877$200.0K0.00%+6,104+4.4%Added
HighTower Advisors, LLC138,586$192.0K0.00%+125+0.1%Added
Two Sigma Investments, LP127,090$176.7K0.00%+4,174+3.4%Added
Swiss National Bank124,700$173.3K0.00%−1,100−0.9%Reduced
Commonwealth Equity Services, LLC124,439$172.0K0.00%+124,439New
Healthcare of Ontario Pension Plan Trust Fund117,342$163.1K0.00%−6,853−5.5%Reduced
Rhumbline Advisers106,145$148.0K0.00%+3,663+3.6%Added
Bank of America Corp105,726$147.0K0.00%−188,219−64.0%Reduced
Redmond Asset Management, LLC98,163$136.4K0.05%00.0%Unchanged
Gsa Capital Partners LLP97,630$136.0K0.01%+97,630New
Connor, Clark & Lunn Investment Management Ltd.78,463$109.1K0.00%+78,463New
Point72 Asset Management, L.P.77,157$107.2K0.00%+77,157New
California State Teachers Retirement System77,025$107.1K0.00%−1,766−2.2%Reduced
Cerity Partners LLC71,130$98.9K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.59,404$82.6K0.00%+3,920+7.1%Added
UBS Asset Management Americas Inc57,782$80.3K0.00%00.0%Unchanged
Kestra Advisory Services, LLC56,000$77.8K0.00%00.0%Unchanged
ExodusPoint Capital Management, LP55,483$77.0K0.00%+55,483New
Cubist Systematic Strategies, LLC52,811$73.4K0.00%+177+0.3%Added
Deutsche Bank AG51,468$71.5K0.00%+16,287+46.3%Added
Baird Financial Group, Inc.50,000$69.5K0.00%00.0%Unchanged
SG Americas Securities, LLC49,407$69.0K0.00%+34,983+242.5%Added
UBS Group AG41,770$58.1K0.00%+8,749+26.5%Added
Susquehanna International Group, LLP41,610$57.8K0.00%+17,286+71.1%Added
Barclays PLC40,858$56.8K0.00%+19,198+88.6%Added
American International Group, Inc.38,933$54.1K0.00%+775+2.0%Added
The PNC Financial Services Group, Inc.38,653$53.7K0.00%00.0%Unchanged
Jane Street Group, LLC38,243$53.2K0.00%+6,699+21.2%Added
Credit Suisse AG37,587$52.2K0.00%−1,902−4.8%Reduced
Manufacturers Life Insurance Company, The34,488$47.9K0.00%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)32,536$45.2K0.00%+17,005+109.5%Added
C2C Wealth Management, LLC35,969$43.3K0.01%+35,969New
Voya Investment Management LLC31,113$43.2K0.00%00.0%Unchanged
Two Sigma Advisers, LP27,200$37.8K0.00%+27,200New
LPL Financial LLC23,262$32.3K0.00%−7,911−25.4%Reduced
New York State Common Retirement Fund20,985$29.2K0.00%−36,400−63.4%Reduced
Wells Fargo & Company19,748$27.4K0.00%+17,691+860.0%Added
Squarepoint Ops LLC18,410$25.6K0.00%−255,047−93.3%Reduced
Brighton Jones LLC17,726$24.6K0.00%00.0%Unchanged
Global Retirement Partners, LLC21,370$23.9K0.00%+10,020+88.3%Added
Parcion Private Wealth LLC17,013$23.6K0.00%00.0%Unchanged
Arizona State Retirement System15,542$21.6K0.00%+406+2.7%Added
Price T Rowe Associates Inc13,754$20.0K0.00%00.0%Unchanged
Alliancebernstein L.P.13,600$18.9K0.00%−12,800−48.5%Reduced
Janus Henderson Group PLC12,361$17.4K0.00%+12,361New
Cetera Advisor Networks LLC12,085$16.8K0.00%+500+4.3%Added
Amalgamated Bank10,973$15.0K0.00%−1,709−13.5%Reduced
HRT Financial LP11,088$15.0K0.00%+11,088New
Private Trust Co NA10,500$14.6K0.00%00.0%Unchanged
Mariner, LLC10,031$14.0K0.00%+10,031New
Independent Financial Group, LLC10,000$13.9K0.00%+10,000New
Western Wealth Management, LLC10,000$13.9K0.00%+10,000New
Tower Research Capital LLC (TRC)6,720$9.00K0.00%−1,862−21.7%Reduced
Ameritas Investment Partners, Inc.6,050$8.41K0.00%00.0%Unchanged
Royal Bank of Canada5,868$8.00K0.00%−7,508−56.1%Reduced
FNY Investment Advisers, LLC5,670$7.00K0.01%+5,670New
Parkside Financial Bank & Trust2,500$3.48K0.00%00.0%Unchanged
Stonebridge Capital Advisors LLC2,500$3.48K0.00%+2,500New
Federated Hermes, Inc.2,238$3.11K0.00%+2,238New
US Bancorp1,750$2.43K0.00%00.0%Unchanged
Citigroup Inc1,348$1.87K0.00%−533−28.3%Reduced
New Hampshire Trust1,000$1.39K0.00%00.0%Unchanged
Missouri Trust & Investment Co1,000$1.39K0.00%00.0%Unchanged
Sandy Spring Bank900$1.25K0.00%00.0%Unchanged
Harbour Investments, Inc.750$1.04K0.00%00.0%Unchanged
Benjamin F. Edwards & Company, Inc.595$1.00K0.00%00.0%Unchanged
Citadel Advisors LLC697$9690.00%−34,245−98.0%Reduced
Wolverine Asset Management LLC572$7950.00%+572New
Steward Partners Investment Advisory, LLC410$5700.00%−307−42.8%Reduced
Point72 Middle East FZE325$4520.00%−16,144−98.0%Reduced
Jackson, Grant Investment Advisers, Inc.302$4200.00%00.0%Unchanged
Allworth Financial LP227$3160.00%00.0%Unchanged
Albion Financial Group200$2780.00%00.0%Unchanged
Creative Capital Management Investments LLC200$2780.00%00.0%Unchanged
Advisory Services Network, LLC100$1390.00%00.0%Unchanged
Ancora Advisors, LLC100$1390.00%+100New
Ellevest, Inc.94$1310.00%+94New
Financial Avengers, Inc.80$1110.00%00.0%Unchanged
GWM Advisors LLC37$510.00%00.0%Unchanged