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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
Coston, McIsaac & Partners50$00.00%00.0%Unchanged
GWM Advisors LLC37$510.00%00.0%Unchanged
Financial Avengers, Inc.80$1110.00%00.0%Unchanged
Ellevest, Inc.94$1310.00%+94New
Advisory Services Network, LLC100$1390.00%00.0%Unchanged
Ancora Advisors, LLC100$1390.00%+100New
Albion Financial Group200$2780.00%00.0%Unchanged
Creative Capital Management Investments LLC200$2780.00%00.0%Unchanged
Allworth Financial LP227$3160.00%00.0%Unchanged
Jackson, Grant Investment Advisers, Inc.302$4200.00%00.0%Unchanged
Point72 Middle East FZE325$4520.00%−16,144−98.0%Reduced
Steward Partners Investment Advisory, LLC410$5700.00%−307−42.8%Reduced
Wolverine Asset Management LLC572$7950.00%+572New
Citadel Advisors LLC697$9690.00%−34,245−98.0%Reduced
Benjamin F. Edwards & Company, Inc.595$1.00K0.00%00.0%Unchanged
Harbour Investments, Inc.750$1.04K0.00%00.0%Unchanged
Sandy Spring Bank900$1.25K0.00%00.0%Unchanged
New Hampshire Trust1,000$1.39K0.00%00.0%Unchanged
Missouri Trust & Investment Co1,000$1.39K0.00%00.0%Unchanged
Citigroup Inc1,348$1.87K0.00%−533−28.3%Reduced
US Bancorp1,750$2.43K0.00%00.0%Unchanged
Federated Hermes, Inc.2,238$3.11K0.00%+2,238New
Parkside Financial Bank & Trust2,500$3.48K0.00%00.0%Unchanged
Stonebridge Capital Advisors LLC2,500$3.48K0.00%+2,500New
FNY Investment Advisers, LLC5,670$7.00K0.01%+5,670New
Royal Bank of Canada5,868$8.00K0.00%−7,508−56.1%Reduced
Ameritas Investment Partners, Inc.6,050$8.41K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)6,720$9.00K0.00%−1,862−21.7%Reduced
Independent Financial Group, LLC10,000$13.9K0.00%+10,000New
Western Wealth Management, LLC10,000$13.9K0.00%+10,000New
Mariner, LLC10,031$14.0K0.00%+10,031New
Private Trust Co NA10,500$14.6K0.00%00.0%Unchanged
Amalgamated Bank10,973$15.0K0.00%−1,709−13.5%Reduced
HRT Financial LP11,088$15.0K0.00%+11,088New
Cetera Advisor Networks LLC12,085$16.8K0.00%+500+4.3%Added
Janus Henderson Group PLC12,361$17.4K0.00%+12,361New
Alliancebernstein L.P.13,600$18.9K0.00%−12,800−48.5%Reduced
Price T Rowe Associates Inc13,754$20.0K0.00%00.0%Unchanged
Arizona State Retirement System15,542$21.6K0.00%+406+2.7%Added
Parcion Private Wealth LLC17,013$23.6K0.00%00.0%Unchanged
Global Retirement Partners, LLC21,370$23.9K0.00%+10,020+88.3%Added
Brighton Jones LLC17,726$24.6K0.00%00.0%Unchanged
Squarepoint Ops LLC18,410$25.6K0.00%−255,047−93.3%Reduced
Wells Fargo & Company19,748$27.4K0.00%+17,691+860.0%Added
New York State Common Retirement Fund20,985$29.2K0.00%−36,400−63.4%Reduced
LPL Financial LLC23,262$32.3K0.00%−7,911−25.4%Reduced
Two Sigma Advisers, LP27,200$37.8K0.00%+27,200New
Voya Investment Management LLC31,113$43.2K0.00%00.0%Unchanged
C2C Wealth Management, LLC35,969$43.3K0.01%+35,969New
Zurcher Kantonalbank (Zurich Cantonalbank)32,536$45.2K0.00%+17,005+109.5%Added
Manufacturers Life Insurance Company, The34,488$47.9K0.00%00.0%Unchanged
Credit Suisse AG37,587$52.2K0.00%−1,902−4.8%Reduced
Jane Street Group, LLC38,243$53.2K0.00%+6,699+21.2%Added
The PNC Financial Services Group, Inc.38,653$53.7K0.00%00.0%Unchanged
American International Group, Inc.38,933$54.1K0.00%+775+2.0%Added
Barclays PLC40,858$56.8K0.00%+19,198+88.6%Added
Susquehanna International Group, LLP41,610$57.8K0.00%+17,286+71.1%Added
UBS Group AG41,770$58.1K0.00%+8,749+26.5%Added
SG Americas Securities, LLC49,407$69.0K0.00%+34,983+242.5%Added
Baird Financial Group, Inc.50,000$69.5K0.00%00.0%Unchanged
Deutsche Bank AG51,468$71.5K0.00%+16,287+46.3%Added
Cubist Systematic Strategies, LLC52,811$73.4K0.00%+177+0.3%Added
ExodusPoint Capital Management, LP55,483$77.0K0.00%+55,483New
Kestra Advisory Services, LLC56,000$77.8K0.00%00.0%Unchanged
UBS Asset Management Americas Inc57,782$80.3K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.59,404$82.6K0.00%+3,920+7.1%Added
Cerity Partners LLC71,130$98.9K0.00%00.0%Unchanged
California State Teachers Retirement System77,025$107.1K0.00%−1,766−2.2%Reduced
Point72 Asset Management, L.P.77,157$107.2K0.00%+77,157New
Connor, Clark & Lunn Investment Management Ltd.78,463$109.1K0.00%+78,463New
Gsa Capital Partners LLP97,630$136.0K0.01%+97,630New
Redmond Asset Management, LLC98,163$136.4K0.05%00.0%Unchanged
Bank of America Corp105,726$147.0K0.00%−188,219−64.0%Reduced
Rhumbline Advisers106,145$148.0K0.00%+3,663+3.6%Added
Healthcare of Ontario Pension Plan Trust Fund117,342$163.1K0.00%−6,853−5.5%Reduced
Commonwealth Equity Services, LLC124,439$172.0K0.00%+124,439New
Swiss National Bank124,700$173.3K0.00%−1,100−0.9%Reduced
Two Sigma Investments, LP127,090$176.7K0.00%+4,174+3.4%Added
HighTower Advisors, LLC138,586$192.0K0.00%+125+0.1%Added
Goldman Sachs Group Inc143,877$200.0K0.00%+6,104+4.4%Added
Renaissance Technologies LLC151,200$210.0K0.00%+151,200New
Morgan Stanley167,618$233.0K0.00%−21,605−11.4%Reduced
Bank of New York Mellon Corp214,869$298.7K0.00%−9,042−4.0%Reduced
Weiss Asset Management LP237,538$330.2K0.03%+237,538New
Nuveen Asset Management, LLC246,199$342.0K0.00%−2,740−1.1%Reduced
Laird Norton Trust Company, LLC353,453$491.3K0.06%00.0%Unchanged
Charles Schwab Investment Management Inc480,173$667.4K0.00%−4,257−0.9%Reduced
JPMorgan Chase & Co598,876$832.4K0.00%+274,798+84.8%Added
Blair William & Co620,915$863.1K0.00%00.0%Unchanged
Northern Trust Corp666,258$926.1K0.00%+2,825+0.4%Added
FMR LLC791,472$1.10M0.00%+3,577+0.5%Added
First Trust Advisors LP922,734$1.28M0.00%−38,805−4.0%Reduced
Millennium Management LLC937,929$1.30M0.00%+937,929New
Geode Capital Management, LLC1,249,598$1.74M0.00%+37,187+3.1%Added
Mirae Asset Global Investments Co., Ltd.1,335,848$1.86M0.00%+1,335,848New
State Street Corp1,765,385$2.45M0.00%+4310.0%Added
Legal & General Group Plc3,150,862$4.41M0.00%−32,903−1.0%Reduced
Vanguard Group Inc3,238,036$4.50M0.00%+152,334+4.9%Added
Invesco Ltd.3,417,415$4.75M0.00%−920,474−21.2%Reduced
BlackRock Inc.4,750,929$6.60M0.00%−67,924−1.4%Reduced