Startup profile · funding coverage
Tenex AI funding, valuation and investors
AI-native managed detection and response (MDR) and security operations platform.
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Funding, valuation & investors
Answer-first snapshotLatest funding
Series B
$250M · March 2026
Latest known valuation
Not publicly disclosed
Total disclosed equity funding
$277M
Excludes debt, grants, acquisitions, secondaries, and IPO proceeds.
Current status
private
growth · Sarasota, Florida, USA
Investors in latest funding
Lead: Crosspoint Capital Partners
Other: Andreessen Horowitz , Shield Capital
Overview
TENEX.AI (Tenex) provides AI-native managed detection and response services combining agentic AI, automation, and human analysts. Founded in 2024 by Eric Foster (formerly Mandiant and Trustwave), the company announced $27M Series A in September 2025 led by Crosspoint Capital with a16z and Shield Capital participating, reporting $10M+ revenue within six months. In March 2026, Tenex announced a $250M Series B led by Crosspoint with a16z returning alongside Shield Capital, DTCP, and Florida Opportunity Fund — funding global expansion of its AI SOC platform.
Why Tenex AI is interesting
Tenex hit $10M revenue in six months with Fortune 500 MDR customers — Crosspoint-led $250M Series B (2026) after a16z seed, scaling the AI SOC category.
Product & use cases
Tenex delivers AI-native MDR — ingesting telemetry from Google Cloud and Microsoft environments, triaging alerts with agentic AI, and executing autonomous response with human oversight.
- Fortune 500 security teams outsourcing SOC operations
- Organizations migrating from legacy MDR vendors to AI-augmented detection
- Enterprises needing faster mean-time-to-respond on cloud workloads
Key facts
- Series B (Mar 2026): $250M led by Crosspoint; a16z participated (Tenex press)
- Series A (Sep 2025): $27M; $10M+ revenue in six months
- CEO Eric Foster ex-Mandiant/Trustwave
- World HQ established in Sarasota, FL (CyberBay initiative)
Funding history (newest first)
Series B
2026-03 $250M- Crosspoint Capital Partners (lead)
- Andreessen Horowitz (participant)
- Shield Capital (participant)
Source: Read source · tenex.ai
Series A
2025-09 $27M- Crosspoint Capital Partners (lead)
- Andreessen Horowitz (participant)
Source: Read source · fintech.global
Investors in our directory
Funds linked from Tenex AI's profile — open a fund page for stage focus and related deal articles.
Competitive landscape
Edge: Leadership from Mandiant/Trustwave plus rapid revenue traction ($10M in six months) — rare velocity for cybersecurity services startups.
MDR is a services-heavy market being reshaped by AI automation. Tenex must prove unit economics at scale while incumbents embed AI into existing SOC contracts.
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Arctic Wolf direct
Managed detection and response at scale; less AI-native positioning.
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CrowdStrike Falcon Complete incumbent
Vendor-native MDR bundled with EDR platform.
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Expel direct
Managed SOC with human analysts; different AI automation depth.
Notable stories
- Tenex exceeded $10M revenue within six months of launch — Crosspoint doubled down with a $250M Series B to scale AI-native MDR globally (Tenex press, 2026).
Industries
Market / IPO context
Editorial / static context — not a live quote.
FAQs about Tenex AI
Practical answers founders, operators, and investors typically search for.
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Editorial note: AI tools assisted with research, structure, or drafting. Venture Capital Tracker retains human editorial responsibility for factual accuracy, relevance, and source quality before publication.