United States · Series B startup

Who invested in Depthfirst

2 rounds we have observed, with the 12 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

AICybersecurity

Raised 7 months ago

Funding summaryUpdated 5 Nov 2026

$120Mraised across 2 rounds since 2026, from 3 sources

$40MSeries A$80MSeries B
Latest round
Series B, $80MApr 2026
Led by
Meritech Capital Partners
Step-upi
2×
Investors
12 (2 led)
See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

20262027
$40MSeries A$80MSeries B
First round
Series A, $40M
Jan 2026
Biggest round
$80M
Series B · Apr 2026
Between rounds
3 months
from the last two

The rounds

  1. Apr 2026
  2. Jan 2026

Founders and team

From Depthfirst's own website: 1 founder, 2 on the team.

Tobias SchindlerFounding Engineer at Listen Labs
  • Alberto MartinezHead of Information Security at AngelList
  • Dom ShortProduct Security Engineer at Chainguard

Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

Everyone who backed them

AccelVC firm2rounds, led 1
SV AngelVC firm2rounds
BoxGroupVC firm2rounds
Liquid 2 VenturesVC firm2rounds
Meritech Capital PartnersVC firm1round, led 1
Jeff DeanAngel1round
Logan KilpatrickVC firm1round
Alt CapitalInvestment firm1round
Colin EvansVC firm1round
Kirsten GreenAngel1round

Missing a round, or an investor who was in one? Tell us.

Also claim to have backed them

These 2 firms list Depthfirst as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

Halcyon FuturesIncubatorPer its own site
HumansVenture studioPer its own site

Quick answers about Depthfirst

Who invested in Depthfirst?

Depthfirst's investors include Accel, SV Angel, BoxGroup, Liquid 2 Ventures and Meritech Capital Partners, and 7 more on record. Meritech Capital Partners led its latest round.

How much has Depthfirst raised?

Depthfirst has raised $120M across 2 rounds since 2026.

When did Depthfirst last raise?

Depthfirst's most recent round was a Series B of $80M in Apr 2026, led by Meritech Capital Partners.

What was Depthfirst's biggest round?

Its most recent round, $80M in Apr 2026, is also its largest on record.

Who backed Depthfirst first?

Depthfirst's first round on record, in Jan 2026, was backed by Accel, SV Angel and BoxGroup and 8 others.

What stage is Depthfirst at?

Depthfirst's latest named round is a Series B, in Apr 2026.

Where is Depthfirst based?

Depthfirst is based in the United States.

Who led Depthfirst's rounds?

Accel led the Series A in 2026; Meritech Capital Partners led the Series B in 2026.

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