United States · Series A startup

Who invested in Mach9

2 rounds we have observed, with the 8 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.

AIConstructionEngineering

Raised this monthY Combinator: S21

Funding summaryUpdated 26 Oct 2026

$46Mraised across 2 rounds since 2024, from 10 sources

$12MSeed$34MSeries A
Latest round
Series A, $34MOct 2026
Led by
Bessemer Venture Partners and First Round Capital
Step-upi
2.8×
Investors
8 (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.

20252026
$12MSeed$34MSeries A
First round
Seed, $12M
Nov 2024
Biggest round
$34M
Series A · Oct 2026
Between rounds
2 years
from the last two

The rounds

  1. Oct 2026
    Series A$34M3 new1 returning

    Reported by Wowtale and 8 others

  2. Nov 2024

Founders and team

From Mach9's own website and the SEC filings it signed: 2 on the team.

  • Pennoni Jeff TornatoreProject Manager, Michael Baker International
  • Jaime Suarez MarquezExecutive Officer, Directori

On the board, as filediDeepak MishraLee WoodruffMarian Salzman

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

Quiet CapitalVC firm2rounds
Bessemer Venture PartnersVC firm1round, led 1
First Round CapitalVC firm1round, led 1
Y CombinatorAccelerator1round
Liquid 2 VenturesVC firm1round
Gokul RajaramAngel1round
PrudenceVC firm1round

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

Also claim to have backed them

These 4 firms list Mach9 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.

Locus VenturesVC firmPer its own site
FlexcapVC firmPer its own site
Vermilion Cliffs VenturesVC firmPer its own site
Westway CapitalVC firmPer its own site

Quick answers about Mach9

Who invested in Mach9?

Mach9's investors include Quiet Capital, Bessemer Venture Partners, First Round Capital, Y Combinator and Tiger Global Management, and 3 more on record. Bessemer Venture Partners led its latest round.

How much has Mach9 raised?

Mach9 has raised $46M across 2 rounds since 2024.

When did Mach9 last raise?

Mach9's most recent round was a Series A of $34M in Oct 2026, led by Bessemer Venture Partners.

What was Mach9's biggest round?

Its most recent round, $34M in Oct 2026, is also its largest on record.

Who backed Mach9 first?

Mach9's first round on record, in Nov 2024, was backed by Y Combinator, Tiger Global Management and Liquid 2 Ventures and 2 others.

What stage is Mach9 at?

Mach9's latest named round is a Series A, in Oct 2026.

Where is Mach9 based?

Mach9 is based in the United States.

Who led Mach9's rounds?

Bessemer Venture Partners led the Series A in 2026.

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