9 Best Battery Stocks to Buy Before They Explode

3. ESS Tech, Inc. (NYSE:GWH)

Number of Hedge Fund Holdings: 8

Analyst Upside: 92%

ESS Tech, Inc. (NYSE:GWH)’s share price target was cut to $2.5 from $3.5 by Roth Capital on March 6th. Keeping a Buy rating on the shares, the firm pointed out that the battery company’s operating expenses in its latest financial report were above forecasts, according to The Fly. ESS Tech, Inc. (NYSE:GWH)’s full-year and fourth-quarter 2025 earnings report, released on March 5th, saw the firm report $1.6 million in revenue and $63.4 million in net loss. During the year, the firm’s operating expenses dropped by 33% annually to $29.7 million. For the quarter, ESS Tech, Inc. (NYSE:GWH) reported negative revenue of $1.6 million and a gross loss of $9.6 million.

Earlier this month, ESS Tech, Inc. (NYSE:GWH) also announced a collaboration agreement for its research center in Arizona. The agreement, called Project Horizon, will see the firm, Google, and Salt River Project (SRP) deploy a long-duration energy storage 50 megawatt-hour system that uses the firm’s iron flow Energy Base technology.

ESS Tech, Inc. (NYSE:GWH) is an energy storage company that makes and sells iron flow batteries for large-scale applications such as commercial and utility uses.