Windfall Bio
PrivateLast Round
Series B
Nov 24, 2025
Total Funding Raised
$37M
Momentum
Top 50%
of companies Caplight tracks
Company Overview
Windfall Bio is an agricultural technology company that develops nature-based solutions to capture and transform methane emissions into organic soil nutrients.
Sector
Energy & Sustainability
Verticals
Carbon Capture, Biotechnology, Circular Economy, Waste Management
Business Model
B2B
Customer Profile
Hardware + Subscription, Services & Consulting, Data as a Service
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Windfall Bio Comparables
Compare Windfall Bio with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| String Bio | 77% | |
| N2 Applied | 76% | |
| Blue Ocean Barns | 71% | |
Windfall Bio Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B | Nov 24, 2025 | ||||
| Series A | Apr 8, 2024 | ||||
| Seed | Mar 22, 2023 |
Key People
Founding team and executive leadership
Windfall Bio Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| B37 Ventures | Seed, Series A |
| Prelude Ventures | Series A |
| Cavallo Ventures | Seed |
| Breakthrough Energy Ventures | Seed, Series A |
| My Climate Journey Collective | Seed |
| Baruch Future Ventures | Seed |
| Incite Ventures | Series A |
Market signals
Structured signals derived from secondary market and firmographic data.
- Nov 24, 2025
Completed a Series B funding round.
- Oct 8, 2025
Began construction on a methane-to-value demonstration plant in Houston.
Windfall Bio Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation | Sign Up to view | Mock Valuation |
Frequently Asked Questions
Common questions about Windfall Bio's valuation, stock price, and market status.