SBF's $500M Anthropic Bet Would Be Worth $37B at IPO
FT reports that Sam Bankman-Fried's Alameda Research Ventures bought nearly 14% of Anthropic in 2021 for $500M at a roughly $4B valuation; at next week's expected IPO price that stake would be worth about $37B. After FTX's collapse, the bankruptcy estate sold the stake in 2024 for about $1.3B. The same fund also took about 5% of Cursor maker Anysphere for $200K in 2022 and sold it for the same amount in 2023; at the $60B SpaceX paid for Anysphere, that stake would be worth about $3B.
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Rohan Paul (@rohanpaul_ai) · 2026-11-14 00
FT: The $500M Sam Bankman-Fried put into Anthropic would be worth about $37B at next week’s expected IPO price.
Alameda Research Ventures, his trading firm’s venture arm, bought nearly 14% in 2021, when the lab was worth about $4B.
That cash helped Anthropic hire researchers and train its first models.
After his FTX exchange collapsed and he was convicted of fraud, the bankruptcy estate sold the stake in 2024 for about $1.3B.
Similarly SBF's fund Alameda put $200K into Cursor maker Anysphere’s pre-seed round in April 2022 for about 5% of the company, and the bankruptcy estate sold that stake for the same $200K in 2023.
At the $60B SpaceX paid for Anysphere, a 5% stake would be worth about $3B
