United States · Series B startup

Who invested in Reach Security

2 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.

AICybersecurity

Raised this month

Funding summaryUpdated 26 Oct 2026

$60Mraised across 2 rounds since 2025, from 3 sources

$10MSeries A$50MSeries B
Latest round
Series B, $50MOct 2026
Led by
Top Tier Capital Partners
Step-upi
5×
Investors
6 (1 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.

2026
$10MSeries A$50MSeries B
First round
Series A, $10M
Jul 2025
Biggest round
$50M
Series B · Oct 2026
Between rounds
15 months
from the last two

The rounds

  1. Oct 2026
  2. Jul 2025
    Series A$10M2 new

    Source recorded

Founders and team

From Reach Security's own website: 2 founders, 3 on the team.

Garrett HamiltonCEO & Co-Founder
Colt BlackmoreCTO & Co-Founder
  • Nadine MacklinVice President Customer Success and Solution Engineering
  • Bharath RangamannarSenior VP of Engineering
  • Barmak MeftahGeneral Partner

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

Ballistic VenturesVC firm2rounds
Top Tier Capital PartnersFund of funds1round, led 1
M12Corporate VC1round
In-Q-TelAccelerator1round
Ridge VenturesVC firm1round
Microsoft's Venture FundGrowth equity1round

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

Quick answers about Reach Security

Who invested in Reach Security?

Reach Security's investors include Ballistic Ventures, Top Tier Capital Partners, M12, In-Q-Tel and Ridge Ventures, and 1 more on record. Top Tier Capital Partners led its latest round.

How much has Reach Security raised?

Reach Security has raised $60M across 2 rounds since 2025.

When did Reach Security last raise?

Reach Security's most recent round was a Series B of $50M in Oct 2026, led by Top Tier Capital Partners.

What was Reach Security's biggest round?

Its most recent round, $50M in Oct 2026, is also its largest on record.

Who backed Reach Security first?

Reach Security's first round on record, in Jul 2025, was backed by Ridge Ventures and Ballistic Ventures.

What stage is Reach Security at?

Reach Security's latest named round is a Series B, in Oct 2026.

Where is Reach Security based?

Reach Security is based in the United States.

Who led Reach Security's rounds?

Top Tier Capital Partners led the Series B in 2026.

Companies like Reach Security

In the same sector, and raised in the last eighteen months.

Find investors like these

Search every investor by what they have actually funded, then narrow to your stage and market. Free.