United States · Series A startup

Who invested in Fragment

3 rounds we have observed, with the 5 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.

AIConstructionData InfrastructureFintech

Raised this monthY Combinator: S23

Funding summaryUpdated 26 Oct 2026

$22Mraised across 3 rounds since 2023, from 4 sources

$9.0MSeed$500KPre-seed$12MSeries A
Latest round
Series A, $12MOct 2026
Led by
FirstMark
Step-upi
24×
Investors
5 (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.

2023202420252026
$9.0MSeed$500KPre-seed$12MSeries A
First round
Seed, $9.0M
Jan 2023
Biggest round
$12M
Series A · Oct 2026
Usual gap between rounds
3.1 years
the median of 2

The rounds

  1. Oct 2026
    Series A$12M2 returning

    Reported by Google News search and 1 other

  2. Sept 2023
    Pre-seed$500K1 new

    Source recorded

  3. Jan 2023
    Seed$9.0M4 new

    Source recorded

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.

Seed2023Pre-seed2023Series A2026FirstMarkLBoxGroupY CombinatorGradientStripe

Everyone who backed them

FirstMarkVC firm2rounds, led 1
BoxGroupVC firm2rounds
Y CombinatorAccelerator1round
GradientVC firm1round
StripeCompany1round

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

Also claim to have backed them

This firm lists Fragment 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.

Feelsgood CapitalVC firmPer its own site

Quick answers about Fragment

Who invested in Fragment?

Fragment's investors include FirstMark, BoxGroup, Y Combinator, Gradient and Stripe. FirstMark led its latest round.

How much has Fragment raised?

Fragment has raised $22M across 3 rounds since 2023.

When did Fragment last raise?

Fragment's most recent round was a Series A of $12M in Oct 2026, led by FirstMark.

What was Fragment's biggest round?

Its most recent round, $12M in Oct 2026, is also its largest on record.

Who backed Fragment first?

Fragment's first round on record, in Jan 2023, was backed by BoxGroup, FirstMark and Gradient and 1 others.

What stage is Fragment at?

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

Where is Fragment based?

Fragment is based in the United States.

Who led Fragment's rounds?

FirstMark led the Series A in 2026.

Companies like Fragment

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

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