Sector portfolio · VC firm · United States
SOSV's Cleantech portfolio
SOSV has backed 10 Cleantech startups in rounds we track, $226M between them, shown by the stage each has reached. The best-funded is Voltera.
Funding by segment
- Pre-seed and seed$122M4
- Stage not reported$425K2
- Series A$62M2
- Series B$42M2
Where they are based
- United States5$148M
- Switzerland1$16M
- Kenya1$400K
- Japan1$25K
- Spain1$41M
- Singapore1$21M
United States
Switzerland
Kenya
Japan
Spain
SingaporeFounded
3 without a founding year on record.
Total raised
- Under $1M2
- $1M to $10M2
- $10M to $50M5
- $50M to $250M1
- $250M to $1B0
- $1B and over0
Each dot is a startup: the year it was founded across, the total it has raised up (each line is ten times the one below). Pick a segment to pick it out.
6 of 10 startups shown; the rest have no founding year or amount on record.
- 1 to 2
- 3 to 7
- 8 to 24
- 25 to 99
- 100 and more
- United States5
- Switzerland1
- Kenya1
- Japan1
- Spain1
- Singapore1
Startups by country, 6 countries in all.
Segment by segment
Pre-seed and seed
4 startups · $122M raised
VolteraA hardware manufacturer for direct-write, additive electronics devices.United States$100M
OxyleOxyleI is a developer of a novel technology to degrade hazardous micropollutants from wastewater, such as pesticides, chemicals etc.Switzerland$16M
MiticoMitico is a carbon capture technology company based in Los Angeles, founded in 2022.United States$4.3M
California Perovskite TechnologyCalifornia Perovskite Technology Inc is a technology company supplying perovskite-based solar modules.United States$2.1M
Stage not reported
2 startups · $425K raised
Series A
2 startups · $62M raised
XFuelXFuel produces sustainable and net-zero road, marine and aviation drop-in fuelsSpain$41M
Princeton Critical MineralsPrinceton Critical Minerals is a cleantech company that boosts lithium extraction and production from brine sources.United States$21M
Series B
2 startups · $42M raised
NovoloopNovoloop is a circular economy technology company founded in 2015, focused on transforming hard-to-recycle plastic waste into highUnited States$21M
Green Li-ionGreen Li-ion is a technology company based in Singapore, founded in 2020, that focuses on the remanufacturing and recycling of speSingapore$21M
How this map is made. Every startup here works in Cleantech and has raised money in a round we track that names SOSV as an investor. Each sits under the stage of its latest round. Rebuilt nightly; updated 15 November 2026.
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