About
Symbiotic Security, founded in 2023 in New York, USA, develops a software tool that integrates directly into developers' coding environments to identify and remediate security vulnerabilities in real time during the coding process.
Full tier & rationale — an SVTR Intelligence benefit
Capital graph
Investor· 4
Founders / team· 1
Funding history
- 2026-01Seed$10M
Investors · Alven, Drysdale, Lerer Hippeau, AxeleoSource · SVTR Weekly #141
- 2024-11Seed$3M
Investors · Lerer Hippeau, AxeleoSource · SVTR Weekly #078
Comparable companies· by market
This company
BusinessLatest roundTotal raisedDate- Symbiotic Security
Software tools that identify and fix security vulnerabilities during coding
Seed · $16M · 2026-01
$16M
United States
BusinessLatest roundTotal raisedDate- Corgea
AI platform that automatically identifies and fixes security vulnerabilities in software code
Undisclosed · $3M · 2024-11
$3M - Pixee
AI analysis that helps software teams automatically detect and fix security vulnerabilities in code
Seed · $15M · 2025-05
$15M - Asymptote Labs
Runtime telemetry, security detection, policy and identity governance for AI coding agents (Claude Code, Cursor, GitHub Copilot, Codex CLI, etc.); products are the open-source Agent Beacon and the enterprise Asymptote Platform; customers are enterprise security/engineering/platform teams.
Seed · $6M · 2026-10
$6M
China
BusinessLatest roundTotal raisedDateEurope
BusinessLatest roundTotal raisedDate- Ossprey
Uses AI behavioral analysis to detect hidden malicious code in open-source packages, blocking software supply chain attacks before they reach production.
Pre-Seed · $3M · 2026-07
$3M - Altan
AI agents that autonomously design, build and run production-ready software
Pre-Seed · $3M · 2025-09
$3M - VirtusLab
Custom software engineering and consulting (reactive systems, data engineering, cloud native, frontend), Scala open-source ecosystem maintenance, AI-assisted development and agent infrastructure tools
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Other / unspecified
BusinessLatest roundTotal raisedDate- Seezo
Automated security design review tool that reads architecture docs, generates rule-based threat models and security requirements, and writes results back to Jira or Slack.
Seed · $7M · 2025-10
$7M - Hud
Production Runtime Code Sensor giving engineering teams and AI coding agents function-level runtime context for change risk blocking, fault localization and auto-remediation
$21M
$21M - Early
Uses AI to automate unit testing, helping identify and fix bugs more efficiently
Undisclosed · $5M · 2024-10
$5M
Confirmed rounds only. Matched on subsector, sector, stage and funding scale — each verifiable on the company profiles.
Investors that may fit
Accel
21 Security & Compliance deals in the last 24 months · 9 at a nearby stage · 16 in NYC Metro
Request intro →Y Combinator
21 Security & Compliance deals in the last 24 months · 18 at a nearby stage · 19 in NYC Metro
Request intro →Andreessen Horowitz
18 Security & Compliance deals in the last 24 months · 9 at a nearby stage · 16 in NYC Metro
Request intro →Cyberstarts
18 Security & Compliance deals in the last 24 months · 4 at a nearby stage · 14 in NYC Metro
Request intro →Greylock Partners
14 Security & Compliance deals in the last 24 months · 8 at a nearby stage · 12 in NYC Metro
Request intro →Ten Eleven Ventures
14 Security & Compliance deals in the last 24 months · 10 at a nearby stage · 7 in NYC Metro
Request intro →Ranked by each firm’s deals in this sector over the last 24 months, weighted by nearby stage and shared geography. Indicative only — no rating judgment.