Research Analysts’ Weekly Ratings Updates for ESS Tech (GWH)

Several analysts have recently updated their ratings and price targets for ESS Tech (NYSE: GWH):

• 12/15/2025 – ESS Tech had its “sell (d-)” rating reaffirmed by analysts at Weiss Ratings.
• 12/14/2025 – ESS Tech was downgraded by analysts at Wall Street Zen from a “hold” rating to a “sell” rating.
• 12/8/2025 – ESS Tech had its “sell (d-)” rating reaffirmed by analysts at Weiss Ratings.
• 12/6/2025 – ESS Tech was upgraded by analysts at Wall Street Zen from a “sell” rating to a “hold” rating.
• 12/1/2025 – ESS Tech had its “sell (d-)” rating reaffirmed by analysts at Weiss Ratings.
• 11/25/2025 – ESS Tech had its “sell (d-)” rating reaffirmed by analysts at Weiss Ratings.
• 10/18/2025 – ESS Tech was downgraded by analysts at Wall Street Zen from a “hold” rating to a “sell” rating.

ESS Tech, Inc, an energy storage company, designs and produces iron flow batteries for commercial and utility-scale energy storage applications worldwide. It offers energy storage products, which include Energy Warehouse, a behind-the-meter solution; and Energy Center, a front-of-the-meter solution. The company was founded in 2011 and is headquartered in Wilsonville, Oregon.