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Spero Renewables

Spero Renewables

Private
Goleta, CaliforniaEnergy & Sustainabilityhttps://www.sperorenewables.com/

Last Round

Accelerator

Nov 5, 2025

Total Funding Raised

$3.85M

Momentum

Top 25%

of companies Caplight tracks

Company Overview

Spero Renewables is a green chemistry company that develops sustainable, plant-based alternatives to products manufactured with petrochemicals.

Sector

Energy & Sustainability

Verticals

Sustainable Materials, Advanced Materials, Clean Manufacturing, Circular Economy

Business Model

B2B

Customer Profile

Services & Consulting, Government Contracts, Data as a Service

AI Layer

Non-AI

Keywords

green chemistrysustainable materialsbiomass conversionlignin extractionbio-based plasticsbioplasticsrecyclable thermosetsnatural vanillincircular economyrenewable feedstocksclean manufacturingbio-based chemicalssustainable chemistrybiotech

Historical Pricing

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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Spero Renewables Comparables

Compare Spero Renewables with similar companies based on industry and business-model similarity.

Spero Renewables comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Stora Enso Oyj
68%
MetGen Oy
68%
Bluestem Biosciences, Inc.
66%

Spero Renewables Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
AcceleratorNov 5, 2025
GrantNov 12, 2019
GrantApr 9, 2019
GrantOct 3, 2017
GrantJun 19, 2014

Key People

Founding team and executive leadership

Mahdi Abu-Omar

Founder & CEO

Founding Team

Spero Renewables Investors

Notable investors and investment history

Spero Renewables investors
InvestorRounds
Shell GameChangerAccelerator
Department of EnergyGrant

Market signals

Structured signals derived from secondary market and firmographic data.

  • Aug 20, 2026

    Monthly visitors increased 44% MoM.

  • Jan 20, 2026

    Monthly visitors increased 61% MoM.

Spero Renewables Filings

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Spero Renewables filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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Frequently Asked Questions

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

Is Spero Renewables a public or private company?

Spero Renewables is a private company.

What is the current stock price of Spero Renewables?

Spero Renewables is a private company with no public stock price. No recent secondary market data is available.

How much is Spero Renewables worth (valuation)?

Valuation information for Spero Renewables is not publicly available.

Can I buy Spero Renewables stock?

Spero Renewables shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was Spero Renewables's last funding round?

Spero Renewables's most recent funding round was Accelerator on November 5, 2025.

Who are the main investors in Spero Renewables?

Key investors in Spero Renewables include Shell GameChanger, Department of Energy.

Will Spero Renewables IPO soon?

No public IPO plans have been announced for Spero Renewables.

How can I track Spero Renewables secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Spero Renewables's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersGoleta, California
Employee Range5
Year Founded2018
Last FundingNov 5, 2025

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