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Musk Warns Short Sellers: 32% Float, $25 B Bet

7/21/2026

Summary

Story summary

Elon Musk warned investors betting against SpaceX face low survival odds as short interest rose to about 32% of the publicly tradable float.
Short sellers now hold roughly 206 million SpaceX shares (about 32% of the float) and have placed $25 billion in notional bets, S3 Partners reported.
Matthew Unterman, head of research at S3 Partners, said the surge from 185 million shares last week targets the August 4, 2026 earnings report and lock-up expirations.

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Story summary

Elon Musk warned investors betting against SpaceX face low survival odds as short interest rose to about 32% of the publicly tradable float.
Short sellers now hold roughly 206 million SpaceX shares (about 32% of the float) and have placed $25 billion in notional bets, S3 Partners reported.
Matthew Unterman, head of research at S3 Partners, said the surge from 185 million shares last week targets the August 4, 2026 earnings report and lock-up expirations.