Who invested in Censys

3 rounds we have observed, with the 6 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.

Cybersecurity

Raised 8 months ago

Funding summaryUpdated 26 Oct 2026

$93Mraised across 3 rounds since 2018, from 3 sources

$2.6MSeed$50MSeries C$40MSeries D

Latest round: Series D, $40MMar 2026
Biggest round: $50MSeries C · Oct 2023
Investors: 6

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.

2020202220242026

$2.6MSeed$50MSeries C$40MSeries D

First round: Seed, $2.6M
Biggest round: $50M
Usual gap between rounds: 4.8 years

The rounds

Mar 2026
Series D$40M2 new3 returning
Source recordedSEC filing: $500K sold
Oct 2023
Series C$50M2 new2 returning
Source recorded
Nov 2018
Seed$2.6M2 new
- Google Ventures
- Greylock
Reported by FinSMEs

Founders and team

From Censys's own website: 1 founder, 6 on the team.

Zakir DurumericCEO and Founder

Michael SchwartzVice President, Security and Censys ARC Research
Anil GuptaChief Technology Officer
Jasmine BurnsChief People Officer
Jeff HackettChief Financial Officer
Sarah AshburnChief Revenue Officer
Dug SongBoard Member

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.

Seed2018Series C2023Series D2026

Everyone who backed them

Google VenturesCorporate VC3rounds

GreylockVC firm3rounds

Intel CapitalCorporate VC2rounds

AscensionVC firm1round

Go CapitalVC firm1round

Mango CapitalVC firm1round

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

Also claim to have backed them

This firm lists Censys as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.