Ostara

Ostara

Private
Saint Louis, MichiganEnergy & Sustainabilityhttps://www.ostara.com/

Last 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, Services & Consulting, Revenue Share

AI Layer

Non-AI

Keywords

nutrient recoveryslow-release fertilizerwastewater treatmentphosphorus recoverycircular economywaste to valuesustainable fertilizerwater techresource recoverynutrient runoffB2GAgTechpublic-private partnershipCleanTechstruvite recovery

Historical Pricing

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Caplight Momentum Score

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Ostara Comps

Public and private peers based on sector, stage, and business model.

CompanyStatusEst. ValuationRev Multiple
OpenAIPrivate$86.0B~40x
CoherePrivate$5.0B--
Competitor 1Public$XX.XBXXx
Competitor 2Public$XX.XBXXx

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Ostara Funding Rounds

Historical fundraising activity

RoundDateAmount RaisedValuationInvestorsSources
GrantMar 14, 2023
Series COct 28, 2022
Series BApr 19, 2021
M&AJul 7, 2020
VC RoundOct 7, 2019
VC Round
Jan 3, 2019

Key People

Founding team and executive leadership

Tom Snipes

Chief Executive Officer

Executive Team

Aaron Waltz

Chief Technology Officer

Executive Team

Terri West

Chief Financial Officer Strategic Executive AgTech Finance Operations Leadership

Executive Team

Ostara Investors

Notable investors and investment history

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.

TypedDateAmount OfferedAmount SoldFillingPagesDownload
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Ostara Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about Ostara's valuation, stock price, and market status.

Firmographic Details

HeadquartersSaint Louis, Michigan
Employee Range65
Year Founded2005
Last FundingMar 14, 2023

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