United States · 
Who invested in Linx Security?
Linx Security's investors include Index Ventures, Insight Partners, Insight Partners and Cyberstarts. Insight Partners led its latest round.
20252026
$33MSeries A?Venture$50MSeries B
United States · Series B startup
Who invested in Linx Security
3 rounds we have observed, with the 4 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.
Raised 6 months ago
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Funding summaryUpdated 15 Nov 2026
$83Mraised across 3 rounds since 2024, from 3 sources
$33MSeries A$50MSeries B
- Latest round
- Series B, $50MMay 2026
- Led by
- Insight Partners
- Step-upi
- 1.5×
- Investors
- 4 (1 led)
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Series A, $33M Jul 2024
- Biggest round
- $50M Series B · May 2026
- Usual gap between rounds
- 20 months the median of 2
The rounds
- May 2026
- Mar 2026
- Jul 2024
Founders and team
From Linx Security's own website: 3 founders, 3 on the team.
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
Cyberstartsno record of our own yet1round
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
This firm lists Linx Security 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.
Quick answers about Linx Security
How much has Linx Security raised?
Linx Security has raised $83M across 3 rounds since 2024. One round did not disclose an amount, so the total is a floor.
When did Linx Security last raise?
Linx Security's most recent round was a Series B of $50M in May 2026, led by Insight Partners.
What was Linx Security's biggest round?
Its most recent round, $50M in May 2026, is also its largest on record.
Who backed Linx Security first?
Linx Security's first round on record, in Jul 2024, was backed by Index Ventures.
What stage is Linx Security at?
Linx Security's latest named round is a Series B, in May 2026.
Where is Linx Security based?
Linx Security is based in the United States.
Who led Linx Security's rounds?
Insight Partners led the Series B in 2026.
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