Citadel LLC (hedge fund)
firmMoney & Finance
This is the roughly $63 billion hedge fund that bailed out another fund during the 2021 GameStop frenzy.
Who they are
Citadel LLC, Ken Griffin's hedge fund, managing about $63 billion in 2024.
What they do
It's a multi-strategy hedge fund — legally separate from the market-making firm Citadel Securities.
How it works
On January 25, 2021 it put a $2 billion emergency injection into Melvin Capital, and it holds large positions across equities, fixed income, commodities and credit.
Why it matters
It's one half of Griffin's financial operation, and its bailout of Melvin sits at the center of the GameStop episode the engine tracks.
The engine's record — word for word
Ken Griffin's hedge fund arm (~$63B AUM, 2024). Legally distinct from Citadel Securities. Jan 25 2021: $2B emergency injection into Melvin Capital. Multi-strategy fund with significant equity, fixed income, commodities, credit positioning.
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