Week in Space Data, every Friday.
Investor portfolio, from our funding record
Government-owned investor. Financed by UK government bodies (UKSA, the Ministry of Defence, the UK Atomic Energy Authority) and privately managed: a government-financed fund counts as government-owned (rule 3, 2026-10-08). This is the list our funding rule 3 uses: a round every one of whose leads is government-owned is state capital, not a private round.
Recorded in our rows as: UK Innovation & Science Seed Fund (UKI2S); UK Innovation and Science Seed Fund; UKI2S.
Counted rounds
2
Led
1
1 as participant
Companies
1
Disclosed round value
$12.0M
2 of 2 rounds disclosed; whole rounds, not this investor's share
First deal
2025-07-25
Spaceflux
Latest deal
2026-04-27
Spaceflux
UK Innovation & Science Seed Fund appears on 2 counted private space funding rounds in our records, into 1 company: recorded as lead on 1 and as a participant on 1.
The earliest is Spaceflux on 25 July 2025; the latest is Spaceflux on 27 April 2026.
2 of the 2 rounds disclosed a size, together $12.0M. That is the size of the rounds UK Innovation & Science Seed Fund took part in, not the amount UK Innovation & Science Seed Fund invested: we hold no per-investor allocations and do not estimate them.
The investor most often on the same counted rounds as UK Innovation & Science Seed Fund is Blackfinch Ventures, on 2 rounds.
1 other recorded transaction naming UK Innovation & Science Seed Fund is not counted in this portfolio; it is listed separately with the class that keeps it out (state capital: 1).
Private funding rounds into space companies that name UK Innovation & Science Seed Fund as lead or participant, newest first, each with its source. Round size is the whole round; a blank size was never disclosed and is not estimated.
| Date | Company | Stage | Role | Round size | Source |
|---|---|---|---|---|---|
| SpacefluxRecorded as Seed Extension | Seed | ParticipantAs recorded: UK Innovation and Science Seed Fund | $4.7M | European Spaceflight (opens the source for this round) | |
| Spaceflux | Seed | LeadAs recorded: UK Innovation & Science Seed Fund (UKI2S) | $7.3M | UKTN (opens the source for this round) |
Rounds come from company announcements, regulatory filings and press reports. Amounts, valuations and investors are as reported and may be incomplete or later revised. Not investment advice, and not an offer or solicitation for any security. Full disclaimer
| Stage | Rounds |
|---|---|
| Seed | 2 |
| Sector | Rounds |
|---|---|
| Analytics | 2 |
| Year | Rounds |
|---|---|
| 2026 | 1 |
| 2025 | 1 |
Investors named on the same counted rounds, by the number of rounds shared.
Other recorded transactions that name UK Innovation & Science Seed Fund. Each class below is kept out of every figure on this page by the same rule our quarterly funding editions use; they are listed so nothing is hidden.
| Date | Company | Class | Role | Round size | Source |
|---|---|---|---|---|---|
| Optera | State capital (government or state-owned funds) | LeadAs recorded: UKI2S | $4.0M | Payload Space (opens the source for this round) |