Key facts
- Dionymer’s last known valuation is $6.1M (Dec 2023).
- It has raised $10.4M; the latest was Early Stage VC ($8.2M) in Feb 2026.
- Notable investors include Bpifrance, UI Investissement, Ventech (Paris), BNP Paribas Développement, IRDI Capital Investissement — 11 tracked in total.
- Status: Privately Held (backing).
- ·The complete investor list — 11 names
- ·Watchlist + deal alerts for Dionymer
- ·The full record, as it builds
Funding rounds
No funding rounds for Dionymer are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About Dionymer
Developer of a biotechnology platform designed to transform biowaste into circular and biodegradable polymer materials that can replace conventional petrochemical plastics. The company's platform offers a proprietary bacterial fermentation process that produces PHA polymers suitable for cosmetic formulations, encapsulation applications, and bioplastics, enabling manufacturers across consumer, industrial, and packaging sectors to use biodegradable materials that align with natural cycles and reduce dependence on fossil-based inputs.
- Sector
- Materials and Resources
- HQ
- Pessac, France
- Founded
- 2021
- Employees
- 20
- Website
- dionymer.com/
- Ownership
- Privately Held (backing)
Dionymer 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 Dionymer 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 Dionymer in its N-PORT filings yet. We sweep new filings monthly.