Week in Space Data, every Friday.
Investor portfolio, from our funding record
Firm assets $22.0B (Form ADV private fund gross assets, 2025-12, SEC Form ADV (filed Mar 2026)): all strategies, not money invested in space.
Counted rounds
12
Led
0
12 as participant
Companies
8
Disclosed round value
$450M
10 of 12 rounds disclosed; whole rounds, not this investor's share
First deal
2021-08-25
HEO
Latest deal
2026-09-23
Hubble Network
Y Combinator appears on 12 counted private space funding rounds in our records, into 8 companies: recorded as lead on 0 and as a participant on 12.
The earliest is HEO on 25 August 2021; the latest is Hubble Network on 23 September 2026.
10 of the 12 rounds disclosed a size, together $450M. That is the size of the rounds Y Combinator took part in, not the amount Y Combinator invested: we hold no per-investor allocations and do not estimate them.
The investor most often on the same counted rounds as Y Combinator is Andreessen Horowitz, on 2 rounds.
Private funding rounds into space companies that name Y Combinator 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.
| Stage | Rounds |
|---|---|
| Seed | 5 |
| Series A | 3 |
| Series C | 1 |
| Series D and later | 1 |
| Other or unlabelled private round | 2 |
| Sector | Rounds |
|---|---|
| Analytics | 6 |
| Infrastructure | 3 |
| Ground segment | 1 |
| Launch | 1 |
| Satellite | 1 |
Investors named on the same counted rounds, by the number of rounds shared.
Showing the 10 most frequent of 55 co-investors. The full list is part of a SpaceNexus Research seat.
Showing the 10 most recent of 12 counted rounds. The full list and its CSV and JSON export are part of a SpaceNexus Research seat; the figures above are computed from every row. What a Research seat covers.
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
| Year | Rounds |
|---|---|
| 2026 | 6 |
| 2024 | 2 |
| 2023 | 3 |
| 2021 | 1 |