Sector portfolio · Accelerator · United States
Y Combinator's Chemicals & Materials portfolio
Y Combinator has backed 14 Chemicals & Materials startups in rounds we track, $289M between them, shown by the stage each has reached. The best-funded is Thread.
Funding by segment
- Stage not reported$156M5
- Pre-seed and seed$9.8M5
- Series B$124M4
Where they are based
- United States7$70M
- Canada3$44M
- United Kingdom1$81M
- Netherlands1$46M
- Luxembourg1$37M
- France1$12M
United States
Canada
United Kingdom
Netherlands
Luxembourg
FranceFounded
1 without a founding year on record.
Total raised
- Under $1M6
- $1M to $10M1
- $10M to $50M5
- $50M to $250M2
- $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.
13 of 14 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 States7
- Canada3
- United Kingdom1
- Netherlands1
- Luxembourg1
- France1
Startups by country, 6 countries in all.
Segment by segment
Stage not reported
5 startups · $156M raised
ThreadThread is a clothes discovery service and personalised shop that makes it easy for people to dress well.United Kingdom$81M
BioBTXBioBTX replaces oil for biomass & waste as a resource for the production of aromaticsNetherlands$46M
GreenMantra TechnologiesGreenMantra Technologies develops a proprietary catalytic process to economically produce commercial quality waxes.Canada$27M
Cycle MomentumCycle Momentum offers acceleration and open innovation programs dedicated to the clean technology ecosystem.Canada$800K
Folia MaterialsFolia Materials: using paper as a super materialUnited States$800K
Pre-seed and seed
5 startups · $9.8M raised
- LGLattice Grand Advanced Material TechnologyLattice Grand Advanced Material Technology is a manufacturer of high thermal conductivity, thin film circuit ceramic substrates.United States$7.8M
spotLESS MaterialsspotLESS Materials is a materials coatings company founded in May 2018 and based in State College, Pennsylvania.United States$900K
Rise ReformingRise Reforming is a cleantech startup based in Chicago, founded in 2024.United States$500K
RimbaRimba is an AI-powered compliance operating system designed for the industrial sector, founded in 2024 and based in San Francisco.United States$500K
PakiblePAKIBLE is a San Francisco-based startup founded in 2014 that focuses on custom product packaging.United States$120K
Series B
4 startups · $124M raised
EncinaENCINA, formally known as Encina Development Group, LLC, is a circular economy company founded in 2016 and based in The Woodlands, Texas.United States$60M
ClariterClariter is a global cleantech company based in Luxembourg, founded in 2003.Luxembourg$37M
UpSolvUpSolv is a Montreal-based cleantech company specializing in recycling hard-to-recycle thermoplastics, particularly polystyrene (PS) and ABS.Canada$16M
FAIRMATFAIRMAT is a French deep-tech startup founded in 2020 and based in Paris.France$12M
How this map is made. Every startup here works in Chemicals & Materials and has raised money in a round we track that names Y Combinator as an investor. Each sits under the stage of its latest round. Rebuilt nightly; updated 15 November 2026.
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