Week in Space Data, every Friday.
Investor portfolio, from our funding record
Recorded in our rows as: Janus Henderson Investors.
Counted rounds
2
Led
1
1 as participant
Companies
2
Disclosed round value
$271M
1 of 2 rounds disclosed; whole rounds, not this investor's share
First deal
2025-11-20
Starlab Space
Latest deal
2026-02-02
CesiumAstro
Janus Henderson appears on 2 counted private space funding rounds in our records, into 2 companies: recorded as lead on 1 and as a participant on 1.
The earliest is Starlab Space on 20 November 2025; the latest is CesiumAstro on 2 February 2026.
1 of the 2 rounds disclosed a size, together $271M. That is the size of the rounds Janus Henderson took part in, not the amount Janus Henderson invested: we hold no per-investor allocations and do not estimate them.
The investor most often on the same counted rounds as Janus Henderson is Airbus Ventures, on 1 round.
Private funding rounds into space companies that name Janus Henderson 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 |
|---|---|---|---|---|---|
| CesiumAstro | Series C | ParticipantAs recorded: Janus Henderson Investors | $271M | SEC EDGAR Form D (opens the source for this round) | |
| Starlab SpaceRecorded as Strategic | Other or unlabelled private round | Lead | Not disclosed | Starlab Space (press release) (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 |
|---|---|
| Series C | 1 |
| Other or unlabelled private round | 1 |
| Sector | Rounds |
|---|---|
| Infrastructure | 1 |
| Satellite | 1 |
| Year | Rounds |
|---|---|
| 2026 | 1 |
| 2025 | 1 |
Investors named on the same counted rounds, by the number of rounds shared.