Citadel Securities is a privately held company tracked for investment-relevant business and technology developments.
This slot renders the company's funding history: dates, rounds, amounts, valuations and lead investors once populated in data/funding-rounds.json.
Citadel Securities had never taken outside capital; Sequoia won the deal because partner Constantine Beller built a decade-long relationship with Ken Griffin since his student days, persistently asking to invest until Griffin said yes.