ESS Tech, Inc.(GWH)— Stock Profile, AI Score & Financials

Technology · NYSE · AI-powered stock analysis, 32-signal quality score, SEC EDGAR financials, and institutional holdings. Updated .

ESS Tech, Inc. (GWH) stock profile, AI quality score, and SEC EDGAR financial data, a Technology sector company. 13F Pro's AI-powered ranking engine scores GWH at 9.6/100 on a 32-signal composite quality model, placing it at rank #2,915 of 2,962 stocks — the bottom half of the AI-ranked universe. Based on the latest XBRL financial filings (Q2 2026), ESS Tech, Inc. reports quarterly revenue of $73.0K, net income of $-15.6M, free cash flow of $-9.4M. Top institutional holders of GWH by reported 13-F value include SOFTBANK GROUP, Alyeska Investment Group, L.P., VANGUARD CAPITAL MANAGEMENT, based on the most recent SEC filings. GWH trades on the NYSE exchange and files with the SEC under CIK 1819438. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate GWH daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for ESS Tech, Inc. directly from SEC EDGAR.

AI Quality Score

9.6/100

AI Rank

#2,915

Revenue

$73.0K

Net Income

$-15.6M

Free Cash Flow

$-9.4M

GWH key financials by period

ESS Tech, Inc. reported revenue, net income and margins by fiscal period, from SEC filings.
PeriodFormRevenueNet incomeOperating margin
FY 202510-K$1.6M$-63.4M
FY 202410-K$6.3M$-86.2M
FY 202310-K$7.5M$-77.6M
FY 202210-K$894.0K$-78.0M

Institutions holding GWH

Institutional investors reporting a position in ESS Tech, Inc. on SEC Form 13F.
InstitutionSharesValueReported
SOFTBANK GROUP2,396,980$2.3M2026-06-30
Alyeska Investment Group, L.P.1,400,000$1.3M2026-06-30
VANGUARD CAPITAL MANAGEMENT638,920$607.0K2026-06-30
UBS Group AG602,607$572.5K2026-06-30
Arosa Capital Management550,000$522.5K2026-06-30
HEIGHTS CAPITAL MANAGEMENT548,621$521.2K2026-06-30
Shay Capital210,146$199.6K2026-06-30
GEODE CAPITAL MANAGEMENT210,037$199.5K2026-06-30
BlackRock133,867$127.2K2026-06-30
VANGUARD FIDUCIARY129,877$123.4K2026-06-30
GWH

ESS Tech, Inc.

GWH
NYSESmall CapTechnology

13F Pro Quality Score

9.6/100

Rank #2,915 of 2,962 stocks

View Technology peers →

Rankings refresh quarterly once 80% of peers have filed (~45 days after quarter-end). Next update: ~Nov 14, 2026.

Price Chart

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Key Metrics

Revenue

Q2 2026
EDGAR

$73.0K

Net Income

Q2 2026
EDGAR

$-15.55M

EPS (Diluted)

Q2 2026
EDGAR

$-0.46

Free Cash Flow

Q2 2026
EDGAR

$-9.45M

Top Institutional Holders

as of Q2 2026
$6.95M total

Financial Trends

Revenue & Net Income

Earnings Per Share

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