Key facts
- Black Donuts’s last known valuation is $33.1M (Jul 2021).
- It has raised $6.8M; the latest was PE Growth/Expansion in Oct 2025.
- Notable investors include Ajanta, BOA Group, Global Tire Technologies, Horizon 2020.
- Status: Privately Held (backing).
- ·The complete investor list — 4 names
- ·Watchlist + deal alerts for Black Donuts
- ·The full record, as it builds
Funding rounds
No funding rounds for Black Donuts are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About Black Donuts
Provider of contract manufacturing and independent research and development services intended for tire manufacturing companies. The company provides tire development, material development, and tire testing services, enabling tire manufacturers to meet the product and process requirements and to respond to the current standards and regulations.
- Sector
- Business Products and Services (B2B)
- HQ
- Pirkkala, Finland
- Founded
- 2011
- Employees
- 62
- Website
- blackdonuts.com/
- Ownership
- Privately Held (backing)
Black Donuts 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 Black Donuts 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 Black Donuts in its N-PORT filings yet. We sweep new filings monthly.