How much did Legion Security raise in its Series A?

Legion Security raised $30M in a Series A announced on 30 July 2025.

Who invested in Legion Security's Series A?

The round was led by Coatue, Accel, Picture Capital.

What does Legion Security do?

Legion Security is a cybersecurity company specializing in Security Operations, founded in 2024 and headquartered in New York, United States.

Funding record · 2025 / 07

Legion Security raises $30M Series A for security operations

Announced 30 July 2025 · Recorded 8 September 2026 · Last verified 8 September 2026

Legion Security, a security operations company based in New York, United States, raised $30M in a Series A announced on 30 July 2025, led by Coatue, Accel and Picture Capital. Its disclosed equity funding is now $38M across 2 rounds.

Amount: $30M
Round: Series A
Announced: 30 July 2025
Lead investors: Coatue, Accel, Picture Capital
Sources on record: 4finance.yahoo.com

From the source

Legion Emerges From Stealth With $38M to Redefine AI-Driven Security Operations

Legion Security, a browser-native AI Security Operations Center (SOC) platform, emerged from stealth with $38M in combined seed and Series A funding. The latest round was led by Coatue, with participation from Accel and Picture Capital. The platform automates security analyst workflows and has demonstrated up to 90% reduction in investigation and response times for customers.

finance.yahoo.com · 29 July 2025 ↗

The Mandos read

What the record says about Legion Security

Momentum 43 / 100 · Coolinglocked →
pillars in the platform
65 employees · up 1% last month · 1 open roleslocked →
history and breakdowns in the platform
Exit Readiness: Lowlocked →
Tested against 751 past exits in the Mandos record: 43% sat in Watch or Elevated 2 years before. Companies in Elevated exited at 3.1× the record's rate.
Buyers most often compare Legion Security with Command Zero, Mave and ShieldWatchlocked →
the full set in the platform

Funding history

Legion Security funding on record

Legion Security has raised $38M in priced equity. Its most recent round was a Series A in July 2025.

Latest round on record: Series A, Jul 2025.

Legion Security funding on the profile →

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FAQ

Questions people ask

How much did Legion Security raise in its Series A?: Legion Security raised $30M in a Series A announced on 30 July 2025.
Who invested in Legion Security's Series A?: The round was led by Coatue, Accel, Picture Capital.
What does Legion Security do?: Legion Security is a cybersecurity company specializing in Security Operations, founded in 2024 and headquartered in New York, United States.