depthfirst Valuation, Funding & Investors

depthfirst is valued at $580M as of March 2026.

Last depthfirst valuation

$580M

Series B · Mar 2026

Last depthfirst funding round

$80M

Series B · Mar 2026

Cumulative funding depthfirst raised

$120M

across 2 funding rounds

Key investors in depthfirst

  • Accel
  • Liquid 2 Ventures
  • BoxGroup
  • MANTIS Venture Capital
  • Alt Capital
  • SV Angel

depthfirst Overview

About depthfirst

Depthfirst is a cybersecurity firm building AI-driven security intelligence platforms for vulnerability detection triage and remediation across software and infrastructure.


Founded

2024

HQ

United StatesUnited States

Status

Privately held

Customer focus

B2B

Revenue model

Subscription

Valuation

$580M (Mar 2026)

depthfirst Valuation

depthfirst is currently valued at $580M, based on its Series B in March 2026.

The $80M round was led by Meritech Capital Partners, with participation from Liquid 2 Ventures, BoxGroup, The House Fund, Forerunner, Alt Capital and 2 other investors.

depthfirst valuation by funding round

depthfirst valuation by funding round
DateStageValuation
Mar 2026Series B$580M

depthfirst Funding History

depthfirst has raised a total of $120M across 2 funding rounds.

depthfirst's first fundraising round was a $40M Series A in January 2026. The most recent completed round was a $80M Series B in March 2026.

depthfirst funding rounds

depthfirst funding rounds
DateStageInvestorsRaisedValuationDeal Summary
Mar 2026Series BMeritech Capital Partners (lead); Liquid 2 Ventures; BoxGroup; The House Fund; Forerunner; Alt Capital; Accel; MANTIS Venture Capital$80M$580M-
Jan 2026Series AAccel (lead); SV Angel; Liquid 2 Ventures; BoxGroup; Kirsten Green; Colin Evans; Logan Kilpatrick; Jeff Dean; Julian Schrittwieser; Alt Capital; MANTIS Venture Capital$40M-depthfirst is an applied AI lab founded in 2024, focused on software security through its General Security Intelligence platform. This AI-native system uses autonomous agents to detect, triage, and remediate vulnerabilities across code, infrastructure, and systems, addressing AI-generated threats and reducing false positives compared to traditional tools. The platform provides context-aware fixes ready for developer review, with strong performance on benchmarks like CyberGym. On January 14, 2026, depthfirst raised $40 million in a Series A round led by Accel, with participation from Alt Capital, BoxGroup, Liquid 2 Ventures, Mantis VC, SV Angel, and angels including Jeff Dean (Google DeepMind), Kirsten Green, Colin Evans, Logan Kilpatrick, and Julian Schrittwieser. The founding team draws from Google DeepMind, Databricks, and Faire. Funds will expand R&D, go-to-market, and hiring in applied research, engineering, product, and sales to harden the global software stack amid rising AI-driven risks. Post-launch, depthfirst achieved rapid traction, signing customers like Lovable, Supabase, Moveworks, and AngelList. Feedback highlights improved code quality, efficiency, and threat detection including backdoors and malware. Investors like Accel partner Sara Ittelson see it transforming the $400B enterprise software security market as AI adoption grows. The company positions itself against legacy tools inadequate for modern threats, emphasizing end-to-end system understanding.

Who has invested in depthfirst?

14 investors have backed depthfirst across its funding rounds, including Accel, Liquid 2 Ventures, BoxGroup, MANTIS Venture Capital, Alt Capital and SV Angel.

Lead investors include Meritech Capital Partners and Accel.


depthfirst Investors

Investors in depthfirst by funding rounds participated
InvestorHQRoundsRoleFirst check
Liquid 2 VenturesUnited StatesSan Francisco, CA2ParticipantJan 2026
BoxGroupUnited StatesNew York City, NY2ParticipantJan 2026
Alt CapitalUnited StatesSan Francisco, CA2ParticipantJan 2026
AccelUnited StatesPalo Alto, CA2LeadJan 2026
MANTIS Venture CapitalUnited StatesLos Angeles, CA2ParticipantJan 2026
SV AngelUnited StatesSan Francisco, CA1ParticipantJan 2026
Kirsten GreenUnited StatesUnited States1ParticipantJan 2026
The House FundUnited StatesSan Francisco, CA1ParticipantMar 2026
Colin EvansUnited StatesSan Francisco, CA1ParticipantJan 2026
ForerunnerUnited StatesSan Francisco, CA1ParticipantMar 2026
Logan KilpatrickUnited StatesChicago, IL1ParticipantJan 2026
Jeff DeanUnited StatesSan Francisco, CA1ParticipantJan 2026

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depthfirst Competitors

depthfirst competitors include listed companies like Baida Group Co and Beijing VRV Software, and private ones like Doppel, Onyx Security, Exaforce and Shift5.

Public and private companies comparable to depthfirst
CompanyHQStatusRevenueEBITDAValuation
DoppelUnited StatesLos Angeles, CAPrivate--$600M
Onyx SecurityUnited StatesWilmington, DEPrivate--$640M
ExaforceUnited StatesSan Jose, CAPrivate--$725M
Baida Group CoChinaChinaPublicly listed$31M$9M$586M
Shift5United StatesUnited StatesPrivate--$591M
Beijing VRV SoftwareChinaChinaPublicly listed$46M($44M)$595M

depthfirst Public Comps

depthfirst is still privately-owned, but its public comps include Baida Group Co, Beijing VRV Software, Baudroie, Sansec, ExaWizards, Hanwang Technology Co, Unisound Ai Technology, eMudhra, Global Security Experts and PKSHA Technology.

Last FYEV/RevenueEV/EBITDA
RevenueEBITDALast FYLTM2027ELast FYLTM2027E
Baida Group Co$31M$9M13.6x-45.2x-
Beijing VRV Software$46M($44M)13.1x-(13.6x)-
Baudroie$112M$24M5.2x4.3x24.7x21.0x
Sansec$83M($2M)6.1x5.4x(310.1x)(388.8x)
ExaWizards$77M$13M6.6x5.7x39.3x-
Hanwang Technology Co$282M($14M)2.2x-(44.4x)-
Unisound Ai Technology$181M($22M)3.0x2.1x(24.5x)(36.1x)
eMudhra$73M$18M7.3x6.6x30.1x27.4x

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Common questions about depthfirst

When was depthfirst founded?depthfirst was founded in 2024.
Where is depthfirst headquartered?depthfirst is headquartered in United States.
Is depthfirst publicly listed?No, depthfirst is a private, VC-backed company.
What is depthfirst's valuation?depthfirst was last valued at $580M in its Series B in March 2026.
How much funding has depthfirst raised?depthfirst has raised $120M across 2 funding rounds.
What was depthfirst's last funding round?depthfirst's last funding round was a $80M Series B in March 2026, led by Meritech Capital Partners.
Who are depthfirst's investors?depthfirst's investors include Liquid 2 Ventures, BoxGroup, Alt Capital, Accel, MANTIS Venture Capital, SV Angel, Kirsten Green, The House Fund, Colin Evans, Forerunner and 4 others.
Which companies are comparable to depthfirst?Companies comparable to depthfirst include Doppel, Onyx Security, Exaforce, Baida Group Co, Shift5 and Beijing VRV Software.

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