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Mill

Mill

Private
San Bruno, CaliforniaEnergy & Sustainabilityhttps://www.mill.com/

Last Round

Strategic

Dec 16, 2025

Est. Valuation

$670M

Total Funding Raised

$232M

Momentum

Top 50%

of companies Caplight tracks

Company Overview

Mill is a clean technology company that provides a digitally connected food recycling system designed to dehydrate and grind food scraps into nutrient-rich grounds.

Sector

Energy & Sustainability

Verticals

Waste Management, Circular Economy, Home & Lifestyle, Facility Management

Business Model

B2C

Customer Profile

Hardware + Subscription, Hardware Sales, Data as a Service

AI Layer

Application

Keywords

food waste recyclercompost binelectric composterkitchen appliancefood waste managementsmart kitchenwaste diversionfood scrap dryercircular economycommercial food wastewaste analyticssustainability techhardware as a servicehaas

Historical Pricing

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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Mill Comparables

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

Mill comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Food Cycle Science Corporation
80%
Lomi
77%
Vita-Mix Corporation
74%

Mill Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
StrategicDec 16, 2025
StrategicDec 16, 2023
Series CSep 6, 2023
VC RoundApr 1, 2023
VC RoundJan 17, 2023
Series B
Jan 25, 2022

Key People

Founding team and executive leadership

Matthew Rogers

Founder CEO

Founding Team

Patrick Dixon

Chief Financial Officer

Executive Team

Mill Investors

Notable investors and investment history

Mill investors
InvestorRounds
Overlay CapitalSeries C
Cleo CapitalSeries C
GVSeries C, VC Round, Series A, Series B
Gigascale CapitalSeries C
Prelude VenturesSeries B, VC Round, Series A, Series C
Kindred VenturesSeries C
Hawktail ManagementSeries B

Market signals

Structured signals derived from secondary market and firmographic data.

  • May 17, 2026

    Announcing 'Mill Commercial' for food waste, currently in pilot stage.

  • May 17, 2026

    Job posting discloses that tens of thousands of its residential food recyclers are in use by households.

Mill Filings

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Mill filings preview — column headings only; records require access
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Frequently Asked Questions

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

Is Mill a public or private company?

Mill is a private company.

What is the current stock price of Mill?

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

How much is Mill worth (valuation)?

Mill's valuation is estimated at $670.0M based on funding round data.

Can I buy Mill stock?

Mill 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 Mill's last funding round?

Mill's most recent funding round was Series C on September 12, 2023.

Who are the main investors in Mill?

Key investors in Mill include GV, Prelude Ventures, Breakthrough Energy Ventures.

Will Mill IPO soon?

No public IPO plans have been announced for Mill.

How can I track Mill secondary market activity?

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

Firmographic Details

HeadquartersSan Bruno, California
Employee Range164
Year Founded2020
Last FundingDec 16, 2025

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