Key facts
- Vellum (Software Development Applications)’s last known valuation is $90.0M (May 2025).
- It has raised $24.5M; the latest was Early Stage VC ($15.0M) in May 2025.
- Notable investors include Y Combinator, Pioneer Fund, Rebel Fund, Orange Collective, Arash Ferdowsi — 15 tracked in total.
- Status: Privately Held (backing).
- ·The complete investor list — 15 names
- ·Watchlist + deal alerts for Vellum (Software Development Applications)
- ·The full record, as it builds
Funding rounds
No funding rounds for Vellum (Software Development Applications) are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About Vellum (Software Development Applications)
Developer of an AI development platform designed to obtain optimal cost and quality for large language models. The company's API serves as a trustworthy intermediary to large language model application providers and gathers model inputs, outputs, and user comments to build up important training data to enhance proprietary models, enabling customers to efficiently make version-controlled modifications to prompts.
- Sector
- Information Technology
- HQ
- New York, NY, United States
- Founded
- 2023
- Employees
- 37
- Website
- vellum.ai/
- Ownership
- Privately Held (backing)
Vellum (Software Development Applications) doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
Recorded secondary trades
No secondary trades in Vellum (Software Development Applications) shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Institutional fund marks
No SEC-registered fund has reported a fair-value mark on Vellum (Software Development Applications) in its N-PORT filings yet. We sweep new filings monthly.