United Kingdom · Venture startup

Who invested in Thread

11 rounds we have observed, with the 18 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.

Chemicals & MaterialsInternet

Raised 11 months agoY Combinator: S12

Funding summaryUpdated 26 Oct 2026

$81Mraised across 11 rounds since 2012, from 11 sources

$700KSeed$2.5MSeed$2.8MSeries A$8.0MSeries A$31MRound$2.9MVenture$500KPre-seed$15MSeries A$18MVenture
Latest round
Venture, $18MDec 2025
Biggest round
$31MRound · Oct 2018
Step-upi
1.2×
Investors
18
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.

201420162018202020222024
?Venture$700KSeed$2.8MSeries A$8.0MSeries A$31MRound?Venture$2.9MVenture$500KPre-seed$18MVenture
First round
Venture
Dec 2012
Biggest round
$31M
Round · Oct 2018
Usual gap between rounds
16 months
the median of 9

The rounds

  1. Dec 2025
    Venture$18M1 new

    Source recorded

  2. Oct 2023
    Series A$15M

    No investor was named in the report.

    Source recorded

  3. Apr 2023
    Pre-seed$500K1 returning

    Source recordedSEC filing: $2.9M sold, first sale Mar 2023

  4. Mar 2023
    Venture$2.9M1 returning

    Source recordedSEC filing: $2.9M sold, first sale Mar 2023

  5. Nov 2021
    VentureAmount undisclosed4 new1 returning

    Source recorded

  6. Oct 2018
    Round$31M2 new1 returning

    Reported by BusinessinsiderSEC filing: $1.5M sold, first sale Dec 2017

  7. Aug 2015
    Series A$8.0M6 new

    From a historical funding recordSEC filing: $2.8M sold, first sale Jun 2015

  8. Jun 2015
    Series A$2.8M3 new

    From a historical funding recordSEC filing: $2.8M sold, first sale Jun 2015

  9. Dec 2013
    Seed$2.5M

    No investor was named in the report.

    From a historical funding record

  10. Nov 2013
    Seed$700K1 new

    From a historical funding record

  11. Dec 2012
    VentureAmount undisclosed1 new

    From a historical funding record

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.

Series A2015Series A2015Round2018Venture2021Venture2023Pre-seed2023Series A2023Venture2025Balderton CapitalY CombinatorInnovation WorksHeadlineLocalGlobeBeringeaPassion CapitalVenrexDraper TriangleRiverfront Ventures

Everyone who backed them

Balderton CapitalVC firm3rounds
Y CombinatorAccelerator2rounds
Innovation WorksGovernment2rounds
HeadlineVC firm1round
LocalGlobeVC firm1round
BeringeaPrivate equity1round
Passion CapitalVC firm1round
VenrexVC firm1round
Draper TriangleVC firm1round
Riverfront VenturesVC firm1round
DNS CapitalFamily office1round
Mustafa SuleymanAngel1round
Demis HassabisVC firm1round
ForwardHedge fund1round
Andrew Jenningsno record of our own yet1round
Beringeam H&Mno record of our own yet1round
Maurice Helfgottno record of our own yet1round
Sebastian Picardono record of our own yet1round

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

Also claim to have backed them

These 2 firms list Thread 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.

Badlands CapitalPrivate equityPer its own site
Hermann Capital ManagementInvestment firmPer its own site

Quick answers about Thread

Who invested in Thread?

Thread's investors include Balderton Capital, Y Combinator, Innovation Works, Headline and LocalGlobe, and 13 more on record.

How much has Thread raised?

Thread has raised $81M across 11 rounds since 2012. 2 rounds did not disclose an amount, so the total is a floor.

When did Thread last raise?

Thread's most recent round was a Venture of $18M in Dec 2025.

What was Thread's biggest round?

Thread's largest round on record is $31M (Undisclosed round), in Oct 2018.

Who backed Thread first?

Thread's first round on record, in Dec 2012, was backed by Venrex.

What stage is Thread at?

Thread's latest named round is a Venture, in Dec 2025.

Where is Thread based?

Thread is based in the United Kingdom.

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