Situational Awareness Adds $400M to Source Foundry Bet

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- Situational Awareness invested $400 million into Source Foundry this week, bringing its total commitment to the chip startup to $500 million (per WSJ).
- Source Foundry was founded by Stanford researchers aiming to make chip manufacturing faster and cheaper.
- Leopold Aschenbrenner founded Situational Awareness in 2024 at age mid-twenties with no trading experience, after leaving OpenAI.
- The fund posted strong early returns before suffering steep losses in recent months as AI infrastructure stocks declined.
- At the end of July, Ken Griffin's Citadel acquired the majority of Situational Awareness's public portfolio — though the fund held onto its Anthropic shares.
- Assets under management reportedly fell from $20 billion to $10 billion in that sell-off.
- Aschenbrenner also got married during the period despite the fund's setbacks.
Why it matters: After halving AUM from $20B to $10B and offloading most public AI-infrastructure holdings to Citadel, Situational Awareness is concentrating remaining capital in private AI bets — its $500M Source Foundry stake now equals 5% of remaining AUM. Source Foundry gains one of the largest concentrated commitments from a quant-style AI-native fund still willing to write massive checks.
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