ESS Tech, Inc. $GWH reported second-quarter 2026 revenue of $73,000, down sharply from a year earlier as the company continued to operate at a very small top line. The quarter also reflected continued losses, with gross profit at -$7.4 million, operating loss at -$15.1 million, and net loss attributable to common shareholders at -$15.6 million.
Losses improved in some key areas versus last year, even as the business remained under pressure. Diluted loss per share was -$0.46, while cash used in operating activities totaled -$8.9 million. Capital spending was limited, with purchases of property, plant and equipment at -$502,000.
- Cash and cash equivalents rose to $10.8 million.
- Total liabilities stood at $35.2 million.
- Cost of sales was $7.5 million for the quarter.
- The stock fell 4.5% after the market close.
Note: This financials data is sourced from a third-party provider and has not been independently verified by Quiver.
ESS Tech, Inc. Insider Trading Activity
ESS Tech, Inc. insiders have traded $GWH stock on the open market 7 times in the past 6 months. Of those trades, 1 have been purchases and 6 have been sales.
Here’s a breakdown of recent trading of $GWH stock by insiders over the last 6 months:
- DREW P BUCKLEY (CEO) purchased 25,000 shares for an estimated $25,660
- KELLY F. GOODMAN (SEE REMARKS) has made 0 purchases and 3 sales selling 7,502 shares for an estimated $8,344.
- KATE EILEEN SUHADOLNIK (Chief Financial Officer) has made 0 purchases and 3 sales selling 4,398 shares for an estimated $4,530.
To track insider transactions, check out Quiver Quantitative's insider trading dashboard. You can access data on insider stock transactions through the Quiver Quantitative API insider transaction endpoint.
ESS Tech, Inc. Hedge Fund Activity
We have seen 19 institutional investors add shares of ESS Tech, Inc. stock to their portfolio, and 21 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- HEIGHTS CAPITAL MANAGEMENT, INC added 963,495 shares (+inf%) to their portfolio in Q1 2026, for an estimated $1,127,289
- JANE STREET GROUP, LLC removed 109,012 shares (-100.0%) from their portfolio in Q1 2026, for an estimated $127,544
- UBS GROUP AG added 104,562 shares (+233.8%) to their portfolio in Q1 2026, for an estimated $122,337
- GEODE CAPITAL MANAGEMENT, LLC added 87,091 shares (+63.8%) to their portfolio in Q1 2026, for an estimated $101,896
- BLACKROCK, INC. added 83,497 shares (+165.8%) to their portfolio in Q2 2026, for an estimated $79,322
- GSA CAPITAL PARTNERS LLP removed 63,679 shares (-85.2%) from their portfolio in Q2 2026, for an estimated $60,495
- XTX TOPCO LTD removed 49,609 shares (-100.0%) from their portfolio in Q1 2026, for an estimated $58,042
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API 13F endpoint.
