Fundraising Fox

Windfall Bio

San Francisco, US · Founded 2022 · 22 employees on LinkedIn · 7 known investors

Find your way into Windfall Bio

912 people in our graph share verified history with the Windfall Bio team — schools, employers, funds. One of them is your warm intro.

Deep Nisharunlockedknows Louis Stenmark · together at Stanford University (overlapped)
×11knows the team · via Stanford University

Windfall Bio develops microbial-based solutions that convert methane into valuable products for industrial and agricultural customers. The company uses naturally occurring microorganisms to enable commercial-scale methane mitigation across industries.

AgTechBiotechClimate TechDeep Tech

Founders & leadership

Windfall Bio was founded in 2022 by Louis Stenmark.

LSLouis Stenmark
Louis StenmarkinCofounderLouis Stenmark is cofounder of Windfall Bio, which develops microbial-based solutions that convert methane into valuable products for industrial and agricultural applications.30 Under 30 2024

Investors · 7

Baruch Future VenturesSan Francisco · $100K – $1M
Breakthrough Energy VenturesBoston · $500K – $50M
Cavallo VenturesSan Francisco
Global BrainTokyo · $100K – $184M
Mayfield FundCupertino · $500K – $12M
Ulu VenturesPalo Alto · $2M
Bessemer Venture PartnersreportedRedwood City · $5M – $100M

Funding

SEC filings, press & company announcements

$28M disclosed across 1 of 3 rounds · 2023–2024

Source: company announcements and press reports — follow each round's link for the claim.

Competitors · 3

by search overlap
Waste Today5 shared keywordsWaste Today is a trade publication covering the waste, recycling, and environmental services industry, reporting on topics such as landfill operations, transfer stations, recycling programs, and company financial and M&A news. It serves waste operators, municipalities, and industry professionals, primarily in the U.S.
Biomass Magazine4 shared keywordsBiomass Magazine is a trade publication and news outlet covering the biomass, renewable natural gas, and biofuel industries, reporting on projects, policy, and companies in the sector. It also produces industry events such as the International Biomass Conference & Expo and related podcasts.
Windfall4 shared keywordsWindfall is a people intelligence and AI company that provides access to people data along with propensity modeling and machine learning to help go-to-market teams prioritize resources and engage the right prospects. It serves data-driven organizations, with more than 800 using its platform.

Companies competing with Windfall Bio for the same Google search keywords, organic and paid, via search-intersection analysis.

In the news

Exclusive: Waste methane to fertilizer startup Windfall Bio auctions off assetsagfundernews.com · May 2026Windfall Bio Raises $28 Million Series A to Scale Methane Capture & Transformation Solutionbusinesswire.com · Apr 2024Windfall Bio Raises $28 Million to Scale Methane-Eating-Microbe Industrial Emissions Solution - ESG Todayesgtoday.com · Apr 2024Windfall Bio Raises $28M in Series A Fundingfinsmes.com · Apr 2024Windfall Bio Raises $9 Million Seed Funding to Launch First-Ever Methane-to-Organic Fertilizer Solutionbusinesswire.com · Mar 2023

Frequently asked questions

What does Windfall Bio do?
Windfall Bio develops microbial-based solutions that convert methane into valuable products for industrial and agricultural customers. The company uses naturally occurring microorganisms to enable commercial-scale methane mitigation across industries.
Who founded Windfall Bio?
Windfall Bio was founded by Louis Stenmark in 2022.
Who are Windfall Bio's investors?
Windfall Bio's investors include Baruch Future Ventures, Breakthrough Energy Ventures, Cavallo Ventures, Global Brain, Mayfield Fund, Ulu Ventures, Bessemer Venture Partners.
How much funding has Windfall Bio raised?
Windfall Bio has disclosed $28M raised across 1 of its 3 known rounds.
Where is Windfall Bio headquartered?
Windfall Bio is headquartered in San Francisco, US.