Ostara
PrivateLast Round
Grant
Mar 14, 2023
Total Funding Raised
$100.6M
Company Overview
Ostara is an agricultural chemicals company that manufactures and supplies high-efficiency phosphate fertilizers designed to improve crop yields and reduce nutrient runoff.
Sector
Energy & Sustainability
Verticals
Water Treatment, Sustainable Materials, Circular Economy, Waste Management
Business Model
B2G
Customer Profile
Hardware Sales, Government Contracts, Revenue Share, Services & Consulting
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Ostara Comps
Public and private peers based on sector, stage, and business model.
| Company | Status | Est. Valuation | Rev Multiple |
|---|---|---|---|
| OpenAI | Private | $86.0B | ~40x |
| Cohere | Private | $5.0B | -- |
| Competitor 1 | Public | $XX.XB | XXx |
| Competitor 2 | Public | $XX.XB | XXx |
Ostara Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Grant | Mar 14, 2023 | ||||
| Series C | Oct 28, 2022 | ||||
| Series B | Apr 19, 2021 | ||||
| M&A | Jul 7, 2020 | ||||
| VC Round | Oct 7, 2019 | ||||
VC Round | Jan 3, 2019 |
Key People
Founding team and executive leadership
Ostara Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Grosvenor Food & AgTech | Series C, Series B, VC Round, M&A |
| Cibus Capital LLP | Series C |
| ADM Capital | Series B |
| Carica Sustainable Investments | Series C |
| Export Development Canada | Series B |
| VantagePoint Venture Partners | VC Round |
| Frog Capital | VC Round |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jan 25, 2026
Grew 16% QoQ, from 56 to 65 employees.
- Nov 15, 2025
Grew 17% QoQ, from 52 to 61 employees.
Ostara Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about Ostara's valuation, stock price, and market status.