Developer of AI evaluation and simulation infrastructure.
Developer of AI evaluation and simulation infrastructure. Headquartered in San Francisco, CA. Raised $50M in Series B funding in June 2026 led by Greenfield Partners.
Artificial Intelligence📍 San Francisco, CA
Current Valuation
Private
PRIVATE
IPO Outlookprivate
Is Patronus AI going public?
No. Patronus AI is private and has not filed to go public. There is no S-1 on file.
What is Patronus AI's valuation in 2026?
No confirmed valuation is on record for Patronus AI. The roster shows funding and investors where they are public; it does not estimate a mark.
Has Patronus AI filed an S-1?
No public S-1 is on file for Patronus AI.
Who are Patronus AI's investors?
Patronus AI's investors include Greenfield Partners, Notable Capital, Lightspeed Venture Partners, Datadog, Samsung, Factorial Capital and 1 more.
How much has Patronus AI raised?
Patronus AI has raised $70M in total across 1 disclosed round, most recently a Series B of $50M in Jun 2026.
Is Patronus AI publicly traded — can you buy Patronus AI stock?
No. Patronus AI is a private company — its shares are not listed on any exchange and there is no ticker. The routes to exposure are pre-IPO secondary marketplaces and funds (accredited investors), employee tender offers when the company runs one, and public companies with read-through exposure. QuantLogix maps every route it can verify for Patronus AI on its Pre-IPO Access Desk.
Answers are derived from the roster record shown on this page — filing status, last round and confirmed marks. Where the record is silent, the answer says so rather than guessing.
Company Profile
CEO
Anand Kannappan
HQ
San Francisco, CA
Total Raised
$70M
Last Round
Series B — $50M (Jun 2026) · Lead: Greenfield Partners
IPO Status
private
Fundraising Status
Series B · $50M · 3 mo ago
privateTotal raised $70M1 disclosed rounds
Funding History
Round
Amount
Date
Lead Investor
Post-Money
Series B
$50M
Jun 2026
Greenfield Partners
—
Vertical Intelligence — AI / ML
Open models
24
verified organization
Downloads (30d)
0
across all models
Followers
121
Attributed to Hugging Face organization "Patronus AI" as of 2026-09-19. Open-weights footprint only — closed-model usage is not publicly measurable. Verify on Hugging Face ↗
Talent Signal
Hiring trend
▶ Hiring steady
0% vs 2026-08
Open roles
9
via careers page
Product-build share
78%
engineering, research, product, design
Trajectory
steady
heavy product build — 78% of open roles are product-building functions (engineering/research/product) — 6 of 9 open roles are research.
Actively hiring with no tracked executive churn.
Open roles by month
Open roles by function
■ product-building ■ go-to-market / G&A
Research HubResearch InsightsResearch-Backed, Real-World Inspired85% UI/UX feature parityResearch ScienceDeep Research
Counted from Patronus AI's live job board as of 2026-09-14; role functions classified from posting titles. Open-role counts are an activity signal, not headcount. Refreshed monthly.
Founders & Key People
Anand KannappanRebecca Qian
Investors
Greenfield Partners · Notable Capital · Lightspeed Venture Partners · Datadog · Samsung · Factorial Capital · Gokul Rajaram
Artificial IntelligenceAI Evaluation and SimulationRecently Funded
Private-company numbers are not real-time. Reflects publicly disclosed valuations from press releases, news reports, and tender offers as of recent date. Refreshed quarterly.