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MicroStrategy Is Now the Most‑Shorted Large‑Cap as Bitcoin Rebound Pressures Bears

A sharp Bitcoin bounce exposed crowded short positioning in a stock many funds use for basis trades.

Overview

  • Short interest equals about 14% of MicroStrategy’s market value—roughly $6 billion—placing it atop Goldman Sachs and FactSet screens of $25B‑plus companies.
  • Bitcoin’s move toward $68,000–$69,000 lifted MSTR about 8%–9%, with one estimate putting short sellers’ paper losses near $3.3 billion.
  • Analysts say a sizable share of the shorts reflects arbitrage—long spot‑BTC or ETFs such as BlackRock’s IBIT paired with MSTR shorts—with 13F filings showing firms like Jane Street holding both.
  • The company holds 717,722 BTC at an average of roughly $76,000 per coin, leaving several billion dollars in unrealized losses while its equity trades as a leveraged proxy for Bitcoin.
  • MicroStrategy logged its 100th purchase this week—592 BTC funded via at‑the‑market share sales—as Michael Saylor hinted at further accumulation in a social post.