No longer trading

Delisted

The delisting was filed on October 5, 2026 (SEC 8-K 3.01). Its last closing price was on October 1, 2026. It has left the AI-ranked universe. The score and rank below are its final ones, from October 1, 2026. Source: SEC 8-K 3.01

GWH

ESS Tech, Inc. GWH

NYSESmall CapTechnology

Final 13F Pro quality score

Final rank #2,848 of 2,893 · as of October 1, 2026

Why it scores 10Technology peers →

Rankings refresh quarterly once 80% of peers have filed. Next update: ~Nov 14, 2026.

Revenue

$73.0K

Quarter to Jun 30

Net income

$-15.55M

Quarter to Jun 30

Free cash flow

$-9.45M

Quarter to Jun 30

Top Institutional Holders

as of Q2 2026
$6.95M total
SOFTBANK GROUP CORP.
$2.28M0.0%
Alyeska Investment Group, L.P.
$1.33M0.0%
VANGUARD CAPITAL MANAGEMENT LLC
$607.0K+0.7%
UBS Group AG
$572.5K+303.7%
HEIGHTS CAPITAL MANAGEMENT, INC
$524.0K-31.6%
Arosa Capital Management LP
$522.5K-39.6%
Shay Capital LLC
$199.6K+16.7%
GEODE CAPITAL MANAGEMENT, LLC
$199.5K-6.0%
BlackRock, Inc.
$127.2K+165.8%
VANGUARD FIDUCIARY TRUST CO
$123.4K+87.1%
Green Alpha Advisors, LLC
$110.0K+1.0%
Pathstone Holdings, LLC
$85.1K+1.8%
FMR LLC
$49.9K0.0%
NORTHERN TRUST CORP
$45.2K+51.7%
STATE STREET CORP
$44.6K0.0%
PKS Advisory Services, LLC
$22.8KNew
JPMORGAN CHASE & CO
$19.6K-36.9%
BRIDGEWAY CAPITAL MANAGEMENT, LLC
$19.0K0.0%
PRIMORIS WEALTH ADVISORS, LLC
$15.7K0.0%
RENAISSANCE TECHNOLOGIES LLC
$12.1KNew
GSA CAPITAL PARTNERS LLP
$10.0K-92.4%
OSAIC HOLDINGS, INC.
$7.9K+34.0%
MORGAN STANLEY
$4.3K-0.6%
Golden State Wealth Management, LLC
$2.6K0.0%
LMR Partners LLP
$2.2K0.0%
See all 57 institutional holders →
Reading the latest SEC filing…

Key Metrics

Revenue

Q2 2026
EDGAR

Net Income

Q2 2026
EDGAR

EPS (Diluted)

Q2 2026
EDGAR

Free Cash Flow

Q2 2026
EDGAR

Financial Trends

Revenue & Net Income

13fpro.ai/company/GWH

Earnings Per Share

13fpro.ai/company/GWH

Loading ratio trend…

GWH key financials by period

Reported revenue, net income and operating margin by fiscal year, from ESS Tech, Inc.'s annual filings on SEC EDGAR.

ESS Tech, Inc. reported revenue, net income and margins by fiscal period, from SEC filings.
PeriodRevenueNet incomeOp. margin
FY 2025$1.6M$-63.4M—
FY 2024$6.3M$-86.2M—
FY 2023$7.5M$-77.6M—
FY 2022$894.0K$-78.0M—
Source: GWH filings on SEC EDGAR →

GWH insiders

Officers, directors and 10% owners with a Form 4 filed in the last 24 months, most recent first. From SEC EDGAR.

About ESS Tech, Inc. (GWH): stock profile, AI score and financials

Delisted: ESS Tech, Inc. (GWH) no longer trades and has left 13F Pro's AI-ranked universe. The delisting was filed on October 5, 2026 (SEC 8-K 3.01). Its last closing price was on October 1, 2026. It has left the AI-ranked universe. The score and rank below are its final ones, from October 1, 2026. ESS Tech, Inc. (GWH) stock profile, AI quality score, and SEC EDGAR financial data, a Technology sector company. 13F Pro tracks GWH using direct SEC EDGAR data and AI-powered research tools. 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.

Financials through the period ended SEC EDGAR: CIK 1819438 →