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

Prashant Jha

Tue, February 24, 2026 at 8:17 PM GMT+9 4 min read

In this article:

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Key Takeaways

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

The firm has been selling Bitcoin aggressively in U.S. market opens while quietly building a massive Strategy (MSTR) position.

Sam Bankman-Fried once worked at Jane Street; his mother cited his tenure there as early evidence of charitable intent.

Jane Street, one of Wall Street’s most secretive high-frequency trading firms, is in the headlines.

The firm faces a fresh lawsuit tied to the 2022 collapse of Terra Luna, raising questions about the role of insider knowledge in the dramatic market crash.

Meanwhile, trading data reveal a contrasting strategy unfolding in real time: Jane Street has been unloading Bitcoin at key market windows while aggressively accumulating Strategy (MSTR) shares.

Analysts call the pattern unusual — if not suspicious.

Dumping Bitcoin, Hoarding MSTR

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

In late 2025 and early 2026, the firm executed two notable plays linked to Bitcoin.

First, Jane Street allegedly “dumped” Bitcoin every morning at 10 a.m. Eastern Time, coinciding with the U.S. stock market open.

Charts from December 2025 show BTC prices dropping from $89,700 to $87,700 within minutes, wiping out $171 million in long positions before recovering.

The strategy aligns with the firm’s role as an “authorized participant” in major Bitcoin ETFs, such as BlackRock’s IBIT, which enables the creation and redemption of ETF shares.

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

At one point, Jane Street held nearly $2.5 billion in IBIT, adding $276 million in Q4 2025 alone, bringing total exposure to roughly $1 billion at year-end prices.

Simultaneously, the firm has been accumulating MicroStrategy stock. MSTR, led by Michael Saylor, functions almost as a leveraged Bitcoin proxy, holding over 717,000 BTC valued at tens of billions.

In its Q4 2025 SEC 13F filing, Jane Street boosted MSTR shares by 473%, now holding 951,187 shares worth about $121 million — a sharp contrast to other major funds like BlackRock and Vanguard, which divested billions in MSTR late last year.

Critics, however, view the morning Bitcoin dumps as market manipulation.

Jane Street has not publicly commented on these allegations.

The Terra Luna Lawsuit

The firm’s latest legal trouble stems from the 2022 Terra Luna collapse.

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

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Key allegations include:

A former Terraform intern reportedly leaked non-public information to Jane Street.

Jane Street allegedly gained knowledge of Terra’s secret liquidity moves.

On May 7, 2022, Terraform withdrew $150 million in UST from a Curve liquidity pool. Ten minutes later, a wallet linked to Jane Street pulled $85 million — before the public had any knowledge.

These trades allegedly front-ran the market, pushed UST off its $1 peg faster, and deepened the death spiral that wiped out $40 billion in value. Luna (LUNA) dropped from $80+ to near zero.

The lawsuit paints a picture of a firm leveraging speed and inside knowledge to benefit from chaos.

Links to SBF

Jane Street also has ties to Sam Bankman-Fried (SBF), founder of the collapsed FTX exchange.

SBF began his finance career there, interning in the summer of 2013 while at MIT, then joining full time in 2014.

He remained until September 2017, trading ETFs and learning high-frequency strategies.

SBF reportedly donated more than half his salary while at Jane Street, motivated by effective altruism principles.

Many of SBF’s future FTX and Alameda colleagues also came from Jane Street or intersected with its philanthropic circles.

While the firm’s connection to SBF is indirect, it underscores Jane Street’s outsized influence in shaping crypto market actors.

What’s the Play?

Jane Street’s dual strategy reflects a sophisticated approach to risk and opportunity.

By depressing Bitcoin prices through ETF maneuvers, the firm creates advantageous purchasing moments.

At the same time, accumulating MSTR stock provides leveraged exposure to Bitcoin’s long-term trajectory.

In other words, Jane Street profits whether the market swings up or down, capturing liquidity and arbitrage opportunities while hedging its broader exposure.

Looking Ahead

Jane Street faces scrutiny on multiple fronts.

The Terra Luna lawsuit, along with ongoing market analysis of its Bitcoin and MSTR trades, has put the firm in a rare public spotlight.

As regulators, traders, and the courts weigh evidence, the case illustrates how a small circle of high-frequency trading firms can influence crypto markets — for better or worse.

Whether Jane Street’s tactics constitute strategic trading or manipulation may ultimately hinge on legal interpretations and regulatory frameworks that are still evolving.

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The post What Is Jane Street Really Doing? Terraform Allegations, Bitcoin Sale, MSTR Buys appeared first on ccn.com.

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