Citadel Securities

Financial Services 📍 Miami, United States 👥 1001-5000 employees 💰 $1.1B raised 📅 Founded 2001

Citadel Securities is the next-generation capital markets firm. Our work is powered by the deepest integration of financial, mathematical and engineering expertise. Combining deep trading acumen with cutting-edge analytics and technology, we at Citadel Securities deliver critical liquidity to the world's most important

🌐 Website in LinkedIn ← All Companies

📊 Company Overview

Sector

Financial Services

Country

United States

Employees

1001-5000

Est. Revenue

$7.5B

Founded

2001

Cloud

AWS

CDN

Cloudflare

Email

Proofpoint

☁️ Cloud Infrastructure

AWS Detected Cloud Provider

Detected via HTTP headers

Workspace	Proofpoint
CDN	Cloudflare

Detected via DNS records and HTTP response headers as of 2026-06-13.

💰 Estimated Cloud Spend

$16M – $40M / year on AWS

🛠 Tech Stack & Marketing

Ad Platforms	🔒 Subscribers only
Analytics & CRM	🔒 Subscribers only
CMS / Platform	🔒 Subscribers only
Frontend Stack	🔒 Subscribers only

Detected from Citadel Securities's public homepage as of 2026-06-13.

🔍 Compare with Similar Companies

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Data detected 2026-06-13 · Methodology · Suggest a correction