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Elliott Investment Management, an activist investor known for its assertive involvement in company decisions, has taken a $1 billion stake in Pinterest. The firm first invested in the social platform in 2022.

Pinterest announced the financial boost on Tuesday, and CEO Bill Ready said he considers this a major vote of confidence that underscores the company’s ambitious AI efforts. 

“We delivered record revenue in 2025, with users reaching all-time highs for ten consecutive quarters and more than 80 billion monthly searches on our platform, as we continue to deliver strong innovation in visual search using AI. We are excited to continue our partnership with Elliott for the next phase of Pinterest’s growth. Elliott’s investment is a strong vote of confidence in the work we have done to build our business and the significant opportunities ahead for Pinterest,” Ready said in a statement.

As part of this investment, Pinterest will buy back shares of its Class A common stock through a $1 billion accelerated repurchase agreement. The new capital will also help fund a broader, newly authorized $3.5 billion share buyback program.

Pinterest stock jumped 6% in premarket trading following the $1 billion investment announcement.

The news comes as Pinterest has faced serious headwinds. Shares tumbled over the past year, with disappointing earnings, layoffs affecting 15% of its workforce, a declining ad business, and increased rivalry from AI chatbots.

Yet, Elliott’s increased investment signals a belief in Pinterest’s turnaround strategy. Specifically, its aggressive bet on AI. Recent initiatives include AI-powered visual search that allows users to snap a photo or select an image and instantly receive recommendations for similar items, home decor ideas, and fashion inspiration. The company also leverages AI for personalized recommendations, to improve content moderation, as well as creative tools for advertisers.

However, on another note, Elliot’s track record suggests that its continued involvement in Pinterest will likely mean heightened scrutiny. 

The firm has a long history of urging cost-cutting and frequently pushes for strategic overhauls and leadership changes at companies where it holds a major stake. For instance, at eBay, Elliott pushed the company to reduce expenses and refocus on its core marketplace, which led to eBay selling its StubHub and Classifieds businesses.