How much did Artemis Security raise in its Series A?

Artemis Security raised $55M in a Series A announced on 15 April 2026.

Who invested in Artemis Security's Series A?

The round was led by Felicis, Brightmind Partners, First Round Capital, Kedem Ventures, Lockstep, Netz Capital, Squared Circle Ventures, Sunflower Capital, Theory Ventures, Two Sigma Ventures.

What does Artemis Security do?

Artemis Security is a cybersecurity company specializing in Security Operations, founded in 2026 and headquartered in New York, United States.

Funding record · 2026 / 04

Artemis Security raises $55M Series A for security operations

Announced 15 April 2026 · Recorded 8 September 2026 · Last verified 8 September 2026

Artemis Security, a security operations company based in New York, United States, raised $55M in a Series A announced on 15 April 2026, led by Felicis, Brightmind Partners and First Round Capital with 7 others. Its disclosed equity funding is now $70M across 2 rounds.

Amount: $55M
Round: Series A
Announced: 15 April 2026
Lead investors: Felicis, Brightmind Partners, First Round Capital, Kedem Ventures, Lockstep, Netz Capital, Squared Circle Ventures, Sunflower Capital, Theory Ventures, Two Sigma Ventures
Sources on record: 1newswire.com

From the source

Artemis Emerges from Stealth with $70M to Rebuild Security Operations for AI-Powered Attacks

Artemis Security, founded by former leaders from Abnormal AI, AWS, and Palo Alto Networks, raised $70M in Series A funding to launch an AI-native security platform designed to replace static detection with adaptive defense against autonomous AI-powered attacks.

newswire.com · 15 April 2026 ↗

The Mandos read

What the record says about Artemis Security

Momentum 79 / 100 · Acceleratinglocked →
pillars in the platform
38 employees · up 12% last month · 10 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 Artemis Security with ShieldWatchlocked →
the full set in the platform

Funding history

Artemis Security funding on record

Artemis Security has raised $70M in priced equity. Its most recent round was a Seed in April 2026.

Latest round on record: Seed, Apr 2026.

Artemis Security funding on the profile →

In the platform

The round is the fact. The read is the product.

Every round, investor and correction for Artemis Security, the competitors buyers weigh it against, hiring by department, and an alert when the next thing happens.

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FAQ

Questions people ask

How much did Artemis Security raise in its Series A?: Artemis Security raised $55M in a Series A announced on 15 April 2026.
Who invested in Artemis Security's Series A?: The round was led by Felicis, Brightmind Partners, First Round Capital, Kedem Ventures, Lockstep, Netz Capital, Squared Circle Ventures, Sunflower Capital, Theory Ventures, Two Sigma Ventures.
What does Artemis Security do?: Artemis Security is a cybersecurity company specializing in Security Operations, founded in 2026 and headquartered in New York, United States.