What Is Jane Street Really Doing? Terraform Allegations, Bitcoin Sale, MSTR Buys

Key Takeaways

• Jane Street faces a 2026 suit alleging insider trading that worsened the 2022 Terra Luna collapse.

• The steadfast has been selling Bitcoin aggressively successful U.S. marketplace opens portion softly gathering a monolithic Strategy (MSTR) position.

• Sam Bankman-Fried erstwhile worked astatine Jane Street; his parent cited his tenure determination arsenic aboriginal grounds of charitable intent.

Jane Street, 1 of Wall Street’s astir secretive high-frequency trading firms, is successful the headlines.

The steadfast faces a caller suit tied to the 2022 illness of Terra Luna, raising questions astir the relation of insider cognition successful the melodramatic marketplace crash.

Meanwhile, trading information uncover a contrasting strategy unfolding successful existent time: Jane Street has been unloading Bitcoin astatine cardinal marketplace windows portion aggressively accumulating Strategy (MSTR) shares.

Analysts telephone the signifier antithetic — if not suspicious.

Jane Street’s hallmark is speed. Using automated systems, it buys and sells stocks, ETFs, and cryptocurrencies successful milliseconds.

In precocious 2025 and aboriginal 2026, the steadfast executed 2 notable plays linked to Bitcoin.

First, Jane Street allegedly “dumped” Bitcoin each greeting astatine 10 a.m. Eastern Time, coinciding with the U.S. banal marketplace open.

Charts from December 2025 amusement BTC prices dropping from $89,700 to $87,700 wrong minutes, wiping retired $171 cardinal successful agelong positions earlier recovering.

The strategy aligns with the firm’s relation arsenic an “authorized participant” successful large Bitcoin ETFs, specified arsenic BlackRock’s IBIT, which enables the instauration and redemption of ETF shares.

Selling astatine the unfastened depresses the price, triggers liquidations, and opens buying opportunities — a cyclical play Jane Street is uniquely positioned to exploit.

At 1 point, Jane Street held astir $2.5 cardinal successful IBIT, adding $276 cardinal successful Q4 2025 alone, bringing full vulnerability to astir $1 cardinal astatine year-end prices.

Simultaneously, the steadfast has been accumulating MicroStrategy stock. MSTR, led by Michael Saylor, functions astir arsenic a leveraged Bitcoin proxy, holding implicit 717,000 BTC valued astatine tens of billions.

In its Q4 2025 SEC 13F filing, Jane Street boosted MSTR shares by 473%, present holding 951,187 shares worthy astir $121 cardinal — a crisp opposition to different large funds similar BlackRock and Vanguard, which divested billions successful MSTR precocious past year.

Critics, however, presumption the greeting Bitcoin dumps arsenic marketplace manipulation.

Jane Street has not publically commented connected these allegations.

The firm’s latest ineligible occupation stems from the 2022 Terra Luna collapse.

The lawsuit, filed by the Terra Luna lawsuit administrator, alleges Jane Street exploited insider cognition to accelerate the clang of Terra’s algorithmic stablecoin, UST.