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Jane Street Buys 5.9% Stake in Opendoor, Sparking Two-Day Stock Rally

Jane Street's significant investment in Opendoor has boosted the company's stock. But what does this mean for the future of the meme stock?

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Jane Street Buys 5.9% Stake in Opendoor, Sparking Two-Day Stock Rally

Jane Street Group, LLC, a prominent US financial firm, has acquired a significant stake in Opendoor Technologies. The move, disclosed on September 17, 2025, saw Jane Street purchase a 5.9% passive stake in the company, amounting to 44 million shares. This investment has sparked interest and driven a two-day rally in the stock market for Opendoor.

Opendoor's stock, which had previously gained without significant changes in fundamentals, jumped for the second consecutive day following Jane Street's disclosure. The investment firm, known for its quantitative proprietary trading strategies and status as one of Wall Street's most profitable companies, has not indicated any activist intentions with its stake.

The implications of Jane Street's purchase are not entirely clear. It could be a sign of confidence in Opendoor's new leadership and its rally from penny stock range, driven by meme stock interest. Alternatively, as a market maker, Jane Street's purchase could serve as a hedge against another position. Regardless, the investment has boosted Opendoor's stock, which finished up 10.3% following the news.

Opendoor's stock is expected to remain volatile due to the influence of meme stock investors. However, Jane Street's passive stake, amounting to 44 million shares, signals interest in the company's prospects. As the investment firm has not indicated any activist strategies, the future direction of Opendoor's stock will likely be influenced by broader market dynamics and the company's own performance.

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