Key facts
- Rubi Laboratories’s last known valuation is $76.0M (Dec 2023).
- It has raised $32.1M across 4 recorded rounds; the latest was Early Stage VC ($7.5M) in Nov 2025.
- Notable investors include Plug and Play Tech Center, US National Science Foundation, Climate Capital, Collaborative Fund, Third Derivative — 33 tracked in total.
- Rubi Laboratories has filed 3 Form Ds with the SEC since 2021, most recently Dec 2023 ($5.1M sold to 3 investors).
- Status: Privately Held (backing).
- ·Post-money valuations for all 4 rounds
- ·The complete investor list — 33 names
- ·Watchlist + deal alerts for Rubi Laboratories
Funding rounds
4 roundsAbout Rubi Laboratories
Manufacturer of materials and biochemicals from carbon dioxide, designed with a focus on textile materials. The company's technology offers a natural resource for making things and directly synthesizes the threads, enabling clients to produce viscose textiles and garments that have ultra-low carbon, water, and land footprints, plus are traceable and biodegradable.
- Sector
- Materials and Resources
- HQ
- Alameda, CA, United States
- Founded
- 2021
- Employees
- 27
- Website
- rubi.earth/
- Ownership
- Privately Held (backing)
Rubi Laboratories 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 Rubi Laboratories 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 Rubi Laboratories in its N-PORT filings yet. We sweep new filings monthly.