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ESS Tech, Inc.

GWHWW
Exchange
OTC
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; 11 institutions reported holding it in 13F filings for Q2 2026, worth $10.1K in total; no superinvestor holds it.

Other share classesGWH

13F holders, Q3 2021

Institutional positions in ESS Tech, Inc. as of Sep 30, 2021. 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
23
−5 vs. Q2 2021
Shares held
2.79M
−1.42M (−33.8%) vs. Q2 2021
Total value
$3.44M
−$2.55M (−42.6%) vs. Q2 2021
New holders
3
0 more added
Sold out
8
5 more reduced

Compare with Q2 2021: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting GWHWW 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 holdersQ3 2021: 23 institutions
Q1 2021: 29 institutionsQ2 2021: 28 institutionsQ3 2021: 23 institutionsQ4 2021: 19 institutionsQ1 2022: 17 institutionsQ2 2022: 16 institutionsQ3 2022: 16 institutionsQ4 2022: 16 institutionsQ1 2023: 14 institutionsQ2 2023: 14 institutionsQ3 2023: 14 institutionsQ4 2023: 14 institutionsQ1 2024: 15 institutionsQ2 2024: 15 institutionsQ3 2024: 11 institutionsQ4 2024: 11 institutionsQ1 2025: 13 institutionsQ2 2025: 12 institutionsQ3 2025: 12 institutionsQ4 2025: 13 institutionsQ1 2026: 12 institutionsQ2 2026: 11 institutions
Value heldQ3 2021: $3.44M
Q1 2021: $3.31MQ2 2021: $5.99MQ3 2021: $3.44MQ4 2021: $11.7MQ1 2022: $4.42MQ2 2022: $1.34MQ3 2022: $2.38MQ4 2022: $583.8KQ1 2023: $433.2KQ2 2023: $491.9KQ3 2023: $417.1KQ4 2023: $135.0KQ1 2024: $124.6KQ2 2024: $113.3KQ3 2024: $45.1KQ4 2024: $104.5KQ1 2025: $136.0KQ2 2025: $66.6KQ3 2025: $70.7KQ4 2025: $89.6KQ1 2026: $42.7KQ2 2026: $10.1K
Institutions holding GWHWW and their total value by quarter
QuarterHoldersValue
Q2 202611$10.1K
Q1 202612$42.7K
Q4 202513$89.6K
Q3 202512$70.7K
Q2 202512$66.6K
Q1 202513$136.0K
Q4 202411$104.5K
Q3 202411$45.1K
Q2 202415$113.3K
Q1 202415$124.6K
Q4 202314$135.0K
Q3 202314$417.1K
Q2 202314$491.9K
Q1 202314$433.2K
Q4 202216$583.8K
Q3 202216$2.38M
Q2 202216$1.34M
Q1 202217$4.42M
Q4 202119$11.7M
Q3 202123$3.44M
Q2 202128$5.99M
Q1 202129$3.31M

Institutions, Q3 2021

Shares, value and share of portfolio for each institution holding ESS Tech, Inc.; share changes are against Q2 2021.

Institutions holding GWHWW in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Linden Advisors LP510,730$637.0K0.00%00.0%Unchanged
UBS Oconnor LLC283,323$353.0K0.00%00.0%Unchanged
Spring Creek Capital LLC266,666$331.0K0.02%00.0%Unchanged
Moore Capital Management, LP250,000$310.0K0.01%00.0%Unchanged
Sculptor Capital LP241,666$301.0K0.00%00.0%Unchanged
Castle Creek Arbitrage, LLC223,417$277.0K0.02%00.0%Unchanged
Magnetar Financial LLC216,259$268.0K0.00%00.0%Unchanged
Glazer Capital, LLC131,026$162.0K0.00%−244,980−65.2%Reduced
Vestcor Inc105,182$130.0K0.00%00.0%Unchanged
Jane Street Group, LLC92,312$114.0K0.00%−837−0.9%Reduced
CNH Partners LLC83,332$103.0K0.00%00.0%Unchanged
Monashee Investment Management LLC83,331$103.0K0.02%00.0%Unchanged
Shaolin Capital Management LLC72,556$90.0K0.00%+72,556New
TIG Advisors, LLC57,833$72.0K0.00%−60,557−51.2%Reduced
Tenor Capital Management Co., L.P.50,000$62.0K0.00%00.0%Unchanged
Wealthspring Capital LLC30,080$37.0K0.01%−2,197−6.8%Reduced
HRT Financial LP23,199$28.0K0.00%+23,199New
Sage Mountain Advisors LLC20,565$26.0K0.00%00.0%Unchanged
Walleye Capital LLC10,000$12.0K0.00%00.0%Unchanged
Exos Asset Management LLC9,000$11.0K0.01%00.0%Unchanged
UBS Group AG7,771$10.0K0.00%+7,771New
Condor Capital Management260$00.00%00.0%Unchanged
Radcliffe Capital Management, L.P.20,000––−146,665−88.0%Reduced
LMR Partners LLP0$00.00%−600,733−100.0%Sold out
Omni Partners US LLC0$00.00%−137,492−100.0%Sold out
Citadel Advisors LLC0$00.00%−135,409−100.0%Sold out
Element Capital Management LLC0$00.00%−66,666−100.0%Sold out
CVI Holdings, LLC0$00.00%−66,666−100.0%Sold out
CSS LLC0$00.00%−65,000−100.0%Sold out
JPMorgan Chase & Co0$00.00%–Sold out
Seaport Global Asset Management LLC0$00.00%−666−100.0%Sold out