TLDR
- Jane Street disclosed a 5.9% stake in Opendoor Technologies through 13G filing
- OPEN stock jumped 25% combining regular and after-hours trading gains
- August new home sales surged 20.5% to 800,000 units annually
- Stock has gained 414% year-to-date following meme stock momentum
- Wall Street analysts maintain bearish outlook with $1.44 average price target
Opendoor Technologies experienced a massive stock surge Wednesday after Jane Street Group revealed a major investment in the real estate technology company. The disclosure came alongside positive housing market data that boosted investor confidence.

Jane Street filed a Schedule 13G form showing ownership of 44,031,310.18 shares. This represents a 5.9% stake in Opendoor’s outstanding common stock.
The news sent OPEN shares climbing 16.24% during regular trading hours. Extended trading added another 9.35% gain, bringing the stock to approximately $9.
Jane Street’s Strategic Investment
Jane Street operates as a quantitative trading powerhouse based in New York City. The firm employs over 2,600 people across global offices and trades more than $10 trillion in securities annually.
Their investment in Opendoor follows similar moves into CoreWeave and Tesla that preceded stock rallies. The 13G filing indicates a passive investment approach rather than activist intentions.
This institutional backing provides credibility to what has become a retail-driven meme stock phenomenon. OPEN shares have exploded 414% year-to-date following hedge fund manager Eric Jackson’s public endorsement.
Jackson’s social media promotion sparked the initial meme stock frenzy around Opendoor. His stake disclosure marked the beginning of the stock’s extraordinary run.
Housing Market Tailwinds
Fresh government data revealed strong momentum in the housing sector. New single-family home sales reached a seasonally adjusted annual pace of 800,000 units in August.
This represented a 20.5% monthly increase and 15.4% year-over-year growth. The median new home price climbed to $413,500, surpassing previous month and 2024 levels.
Robust housing demand creates favorable conditions for Opendoor’s business model. Higher transaction volumes and rising prices could drive revenue growth and margin expansion.
The positive housing data reinforces the investment thesis behind the stock’s meme status. Strong fundamentals in the underlying market provide some justification for investor enthusiasm.
Wall Street Skepticism Persists
Despite the stock’s explosive performance, professional analysts remain cautious about Opendoor’s prospects. Nine Wall Street analysts maintain a consensus Moderate Sell rating.
The breakdown includes one Buy recommendation, three Hold ratings, and five Sell recommendations. All ratings were issued within the past three months.
The average analyst price target sits at $1.44 per share. This implies potential downside of 82.5% from current levels around $9.
This disconnect highlights the gap between retail investor sentiment and professional analysis. Institutional investment from Jane Street may help bridge this divide.
Jane Street’s reputation as a sophisticated market maker adds weight to the bull case. Their decision to take a substantial position suggests confidence in Opendoor’s long-term potential.
OPEN stock closed after-hours trading up 9.35% at $9 according to market data.