United Kingdom · Venture startup

Who invested in First Light Fusion

4 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.

CleantechEnergy

Raised 7 months ago

Funding summaryUpdated 26 Oct 2026

$167Mraised across 4 rounds since 2015, from 4 sources

$36MVenture$45MRound$62MRound$25MVenture
Latest round
Venture, $25MApr 2026
Biggest round
$62MRound · Feb 2025
Investors
6
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.

201520172019202120232025
$36MVenture$45MRound$62MRound$25MVenture
First round
Venture, $36M
Aug 2015
Biggest round
$62M
Round · Feb 2025
Usual gap between rounds
3.3 years
the median of 3

The rounds

  1. Apr 2026
    Venture$25M3 new2 returning

    Also list them on their own siteEast X Ventures

    Source recorded

  2. Feb 2025
    Round$62M1 new1 returning

    Reported by TechStartups

  3. Nov 2021
    Round$45M

    No investor was named in the report.

    Shares issued, filed with Companies House (SH01); no report of this raise yet

  4. Aug 2015
    Venture$36M2 new

    From a historical funding record

Funding filed with regulators

First Light Fusion filed 5 raises, $78M in all. Filings say how much was sold and to how many investors; they never name the investors.

  1. Apr 2026$34MUK share allotment
  2. Jan 2022$2.7MUK share allotment
  3. Jan 2022$6.9MUK share allotment
  4. Dec 2021$5.0MUK share allotment
  5. Nov 2021$30MUK share allotment

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.

Venture2015Round2021Round2025Venture2026IP GroupTengxun TouziParkwalkOryx FundOxford Science EnterprisesInvesco Asset

Everyone who backed them

IP GroupVC firm3rounds
Tengxun TouziVC firm2rounds
ParkwalkVC firm1round
Oryx FundVC firm1round
Oxford Science EnterprisesVC firm1round
Invesco AssetGrowth equity1round

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

Also claim to have backed them

These 3 firms list First Light Fusion 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.

Hambro PerksVC firmPer its own site
Touchstone InnovationsVC firmPer its own site
East X VenturesVC firm2026, per its site

Quick answers about First Light Fusion

Who invested in First Light Fusion?

First Light Fusion's investors include IP Group, Tengxun Touzi, Parkwalk, Oryx Fund and Oxford Science Enterprises, and 1 more on record.

How much has First Light Fusion raised?

First Light Fusion has raised $167M across 4 rounds since 2015.

When did First Light Fusion last raise?

First Light Fusion's most recent round was a Venture of $25M in Apr 2026.

What was First Light Fusion's biggest round?

First Light Fusion's largest round on record is $62M, in Feb 2025.

Who backed First Light Fusion first?

First Light Fusion's first round on record, in Aug 2015, was backed by IP Group and Invesco Asset.

What stage is First Light Fusion at?

First Light Fusion's latest named round is a Venture, in Apr 2026.

Where is First Light Fusion based?

First Light Fusion is based in the United Kingdom.

Companies like First Light Fusion

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

Go Eve$6.1M · Oct 2026novosound$8.7M · Sept 2026Dragonfly Advanced Materials$2.0M · Sept 2026Metris Energy$7.5M · Sept 2026AcouBatt$3.0M · Sept 2026Myriad Wind Energy Systems$1.8M · Sept 2026

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