Temasek Holdings Reduces Stake in SES AI Corporation

Institutional investor sells over 15 million shares of electric vehicle battery maker

Mar. 14, 2026 at 9:53am

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Temasek Holdings Private Ltd, a major institutional investor, decreased its stake in SES AI Corporation (NYSE:SES) by 54.8% during the third quarter. The company sold 15,393,562 shares, leaving it with 12,675,757 shares, or about 3.47% ownership of the electric vehicle battery maker.

Why it matters

SES AI is a promising player in the electric vehicle battery market, and Temasek's reduced stake could signal a shift in investor sentiment or portfolio strategy. The sale represents a significant portion of Temasek's previous holding and may impact SES AI's stock price and market position.

The details

According to a disclosure with the SEC, Temasek sold the 15.4 million SES AI shares, reducing its total stake to 12.7 million shares. Temasek previously owned about 7.7% of SES AI. The sale comes as SES AI continues to develop its lithium-metal rechargeable battery technology for electric vehicles and other applications.

  • Temasek sold the shares during the third quarter of the year.

The players

Temasek Holdings Private Ltd

A major Singaporean sovereign wealth fund and one of the largest institutional investors in SES AI Corporation.

SES AI Corporation

An American company developing high-performance lithium-metal rechargeable batteries for electric vehicles and other applications.

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The takeaway

Temasek's reduced stake in SES AI could signal a shift in investor sentiment around the electric vehicle battery maker, though the reasons behind the sale are not entirely clear. The move may impact SES AI's stock price and market position going forward.