Rubi Laboratories key facts
as of Oct 2026- Manufacturer of materials and biochemicals from carbon dioxide, designed with a focus on textile materials.
- Rubi Laboratories is valued at approximately $76.0M as of Oct 2026 (last reported valuation).
- 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).
Rubi Laboratories's last reported valuation, Dec 2023. Nothing priced has surfaced since.
- ·The complete investor list: 33 names
- ·Watch Rubi Laboratories: the Monday email on marks, rounds and moves
Rubi Laboratories funding rounds
4 roundsWho backs Rubi Laboratories
33+Rubi Laboratories valuation
Rubi Laboratories's last reported valuation was $76 million in Dec 2023. No priced round, secondary trade or fund mark has surfaced since.
How much has Rubi Laboratories raised?
Rubi Laboratories has raised $32.1 million across 4 recorded rounds since 2021. The largest was a $7.5 million early-stage round in Nov 2025.
Rubi Laboratories has filed 3 Form Ds with the SEC since 2021, most recently in Dec 2023 ($5.1 million sold to 3 investors).
Rubi Laboratories investors
33 investors are on record for Rubi Laboratories, including Plug and Play Tech Center, US National Science Foundation, Climate Capital and Collaborative Fund. By type, the record holds 6 venture capital firms and 1 family office. The early-stage round in Nov 2025 drew 9 investors.
About 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)
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