Shares of Pinterest Inc. surged during U.S. trading after the company announced a $1 billion strategic investment from Elliott Investment Management and a new $3.5 billion share repurchase program. The update quickly lifted sentiment and improved near-term expectations for the stock.

Pinterest said the funds from Elliott are intended for an initial $1 billion accelerated share repurchase (ASR). Combined with the broader buyback authorization, the move was read as a strong vote of confidence from both the activist investor and the company’s management.

A buyback reduces the number of shares outstanding and can increase the value of the remaining shares, which is why such announcements often support prices. Additional optimism came from management’s comments, with the CEO saying the stock looked “undervalued,” reinforcing investor demand.

Still, Pinterest remains volatile: over the last year the stock has frequently moved more than 5% in a session, so the market views today’s jump as meaningful but not a fundamental reset. The shares are down roughly 28% year to date, and at around $19.06 they trade more than 50% below the 52-week high of $39.17 reached in August 2025.