Key facts
- It has raised $1.0M; the latest was Early Stage VC in Mar 2026.
- Notable investors include Creative Destruction Lab, Activate Global, For ClimateTech, Center for Life Science Ventures, FuzeHub — 8 tracked in total.
- Status: Privately Held (backing).
- ·The complete investor list — 8 names
- ·Watchlist + deal alerts for RETRN Bio
- ·The full record, as it builds
Funding rounds
No funding rounds for RETRN Bio are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About RETRN Bio
Developer of sustainable packaging technology designed to tackle the global plastic pollution problem. The company's technology creates advanced biodegradable plastics from waste materials by upcycling abundant agro-industrial waste streams to a platform technology of novel marine biodegradable polymers, enabling clients with environmentally friendly bioplastic barrier coatings for packaging their products.
- Sector
- Materials and Resources
- HQ
- Ithaca, NY, United States
- Founded
- 2022
- Employees
- 7
- Website
- retrnbio.com/
- Ownership
- Privately Held (backing)
RETRN Bio 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 RETRN Bio 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 RETRN Bio in its N-PORT filings yet. We sweep new filings monthly.