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Citadel Securities

Fintech · Miami, United States · Founded 2002

Leading global market maker across a broad array of fixed income and equity securities

Valuation $10–50B
Revenue $10–50B
Headcount 2–5k
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Citadel Securities and the history behind them.
Power Law Decacorn$10B+ valuation tier Thoroughbred$100M+ revenue
Featured in
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Investors

2 investors on Citadel Securities's cap table

Sourced from Dealroom's funding history. Investor profile links are shown where available.

Series B+ 2 investors entered at this stage
Sequoia
Paradigm

Citadel Securities mafia

Startups founded by Citadel Securities alumni

Former Citadel Securities employees who went on to start their own companies. Sorted by Dealroom signal score.

KalshiEst. 2018
Luana Lopes LaraUnited States
Signal score96
Nova | LadderEst. 2020
Andrew TannUnited States
Signal score92
ArchitectEst. 2022
BHBrett HarrisonUnited States
Signal score92
AfterQueryEst. 2024
Carlos GeorgescuUnited States
Signal score91
FeatheryEst. 2021
PDPeter DunUnited States
Signal score89
ModusEst. 2025
VKVinay KasatUnited States
Signal score86
NUTS TechnologiesEst. 2016
STSotir T.United States
Signal score78
PureFDAEst. 2020
Zhu MengUnited States
Signal score64
Portofino TechnologiesEst. 2021
Léonard LanciaSwitzerland
Signal score63
Hence TechnologiesEst. 2020
Arun ShanmuganathanUnited Kingdom
Signal score61
HarmonicEst. 2025
Ben CoverstonUnited States
Signal score51
Friktion LabsEst. 2021
Alexander WlezienUnited States
Signal score47

Book a demo to explore the full alumni network →

Global footprint

Where Citadel Securities has talent and traffic

Workforce by country
27 countries with
team presence
🇺🇸 United States68.4%
🇬🇧 United Kingdom12.5%
🇭🇰 Hong Kong5.9%
🇦🇺 Australia4.4%
🇸🇬 Singapore2.1%
Top 5 of 27 shown
Web traffic by country
240K monthly visits
across markets
🇺🇸 United States27.6%
🇮🇳 India9.1%
🇬🇧 United Kingdom8.1%
🇦🇺 Australia7.3%
🇭🇰 Hong Kong6.7%
Top 5 markets shown

Talent graph

The shape of Citadel Securities's talent

Dealroom maps Citadel Securities's team person by person — pinpointing the standout operators and scoring them across the six dimensions investors underwrite. The counts and shape below are a public preview; the named individuals and exact scores live in the platform.

24 standout operatorsDealroom-flagged across the org
32 AI specialistsincl. 17 core researchers
2,442 employees mappedperson by person
DimensionScore
AI Talentlive Score hidden — book a demo
Engineering Score hidden — book a demo
Product Score hidden — book a demo
Go-to-market Score hidden — book a demo
Leadership Score hidden — book a demo
Research Score hidden — book a demo
Book a demo to unlock Citadel Securities's exact scores

Source: Dealroom Talent Intelligence. Public profiles show counts and the team's shape only — request a demo for the named individuals, per-person seniority and tenure, and team benchmarks vs peers.

Capital deployed

Citadel Securities's 17 investments and acquisitions.

Every disclosed deal where Citadel Securities appeared as a backer or acquirer, 2021–2026. Toggle between venture rounds, M&A, or both. The map below is grouped by the target company's sector — the colored pill on each chip is the round type.

Portfolio analysis

17 deals across Citadel Securities's capital deployment.

Where the deals concentrate by sector, stage, and decade.

By sectorCount
    By stageCount
      By periodCount

        02 · Portfolio market map

        Citadel Securities's portfolio, mapped.

        Each chip is one company. Pill colour shows round type — green for Seed, blue for Series A, purple for B/C+, pink for late-stage, amber for M&A. Bigger sectors keep their full list behind “+ N more”.

        Stage
        Period
        17 of 17 deals

        Market sentiment

        What the market is saying about Citadel Securities

        An AI-synthesized read of the highest-engagement posts about Citadel Securities on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.

        Reading the room on X — pulling top posts and synthesizing themes…

        Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

        See Citadel Securities on the full Dealroom platform

        Live deal flow, founder pedigree, hiring signals, revenue trajectory, and the full cap table.

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