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EF Polymer

EF Polymer

Private
OkinawaEnergy & Sustainabilityhttps://efpolymer.com

Last Round

Series B

Sep 30, 2025

Total Funding Raised

$29.14M

Company Overview

EF Polymer operates in Energy & Sustainability and is based in Okinawa. Its latest recorded funding round was a Series B round in September 2025.

EF Polymer is an agricultural chemicals company that manufactures natural, biodegradable water-retention polymers from organic waste to mitigate water scarcity and improve soil productivity.

Sector

Energy & Sustainability

Verticals

Sustainable Materials, Circular Economy, Waste Management, Advanced Materials

Business Model

B2B

Customer Profile

Hardware Sales

AI Layer

Non-AI

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Pricing history

Caplight clients see full MarketPrice™ history and secondary transactions.

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

Momentum history

Caplight clients track how buyer interest and sentiment change over time.

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EF Polymer Comparables

Compare EF Polymer with similar companies based on industry and business-model similarity.

EF Polymer comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
UPL Limited
78%
ANT Systems
78%
BeadRoots
77%
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EF Polymer Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series BSep 30, 2025
Series BApr 16, 2025
GrantMar 4, 2025
Series AMay 11, 2023
SeedMar 31, 2021
Grant
Nov 15, 2019
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EF Polymer Investors

Notable investors and investment history

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Market signals

Structured signals derived from secondary market and firmographic data.

  • May 22, 2026

    Grew 23% QoQ, from 56 to 69 employees.

  • Apr 22, 2026

    Grew 16% QoQ, from 56 to 65 employees.

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Recent news

Latest coverage and updates

  • expands_offices_toNov 4, 2026

    EF Polymer Inc. expands its international presence to Japan and establishes its headquarters in Okinawa.

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EF Polymer Filings

Explore SEC and related filing metadata, where available.

EF Polymer filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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Frequently Asked Questions

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

Is EF Polymer a public or private company?

EF Polymer is a private company.

What is the current stock price of EF Polymer?

EF Polymer is a private company, so its shares have no public market price. Caplight tracks EF Polymer's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.

How much is EF Polymer worth (valuation)?

Valuation information for EF Polymer is not publicly available.

Can I buy EF Polymer stock?

EF Polymer shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.

When was EF Polymer's last funding round?

EF Polymer's most recent funding round was Series B on September 30, 2025.

Who are the main investors in EF Polymer?

Key investors in EF Polymer include Universal Materials Incubator, MTG Ventures, Inc..

Will EF Polymer IPO soon?

No public IPO plans have been announced for EF Polymer.

How can I track EF Polymer secondary market activity?

Caplight tracks bids, offers, and trades in EF Polymer's shares on secondary markets.

Firmographic Details

HeadquartersOkinawa
Employee Range13
Year Founded2018
Last FundingSep 30, 2025

Institutional Data Access

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