How much has Castelion raised?
$464.1Macross 3 recorded rounds · Sep 2023 – Aug 2025
Most recently, Castelion raised $360.0M in its Later Stage VC (Aug 2025).
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- ·The complete investor list: 26 names
- ·Watch Castelion: the Monday email on marks, rounds and moves
Castelion round by round
3 rounds30 investors participated
8 investors participated
17 investors participated
How much has Castelion raised?
Castelion has raised $464 million across 3 recorded rounds since 2023. The largest was an $8.6 million early-stage round in Sep 2023; the most recent was a $360 million later-stage round in Aug 2025.
Castelion has filed 3 Form Ds with the SEC since 2023, most recently in Nov 2025 ($60 million sold to 8 investors).
Castelion investors
26 investors are on record for Castelion, including Andreessen Horowitz, General Catalyst, Lightspeed Venture Partners and Quiet Capital. By type, the record holds 16 venture capital firms and 1 growth equity firm. The later-stage round in Aug 2025 drew 30 investors.
For fundraisers
Raising for a company like Castelion?
26 investors have backed Castelion.
Frequently asked about Castelion
- How much has Castelion raised?
- Castelion has raised $464.1M in total across 3 recorded funding rounds.
- When was Castelion's last funding round?
- Castelion's most recent recorded round was Later Stage VC in Aug 2025, raising $360.0M.