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Citadel Securities

Citadel Securities

other
Last discussed Aug 24, 2026

A market maker and trading firm that provides liquidity to financial markets.

What creators say

JB
Julien Bek
mentioned

"Constantine Beller, my partner, helped us lead the investment in Citadel Securities, Ken Griffin's company. They had never taken outside capital. The reason we were able to invest is Constantine built a relationship with Ken since he was a student."

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Tom Bilyeu
mentioned

"If you guys don't know Citadel Securities, the guy from there, Scott Rubiner, he reported that in January of 26, we saw the highest retail net stock inflows ever recorded."

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