Developer of sustainable trash bins designed to convert waste into compost.
Developer of sustainable trash bins designed to convert waste into compost.
Other Consumer Durables📍 San Bruno, CAFounded 2020
Current Valuation
$670M
as of 2023-Q3
PRIVATE
QL Price
$670M
0% vs last round
QuantLogix's current estimate for Mill, published 2026-09-27 — in line with the last disclosed round of $670M (2023-Q3).
Confidence
low
Basis
round anchored
What backs this price
Last disclosed round
$670M
2023-Q3
weight 0.13
How this price has held up
No round has priced for Mill since QuantLogix began publishing a price for it, so there is nothing to grade yet. The claim above is on the record from 2026-09-27 and will be graded against the next priced round. See the full accuracy record →
Which publicly-traded funds already hold it, what $10,000 buys, and whether any route is open to you.
Cite this price as QuantLogix QL Price, Mill, 2026-09-27 (982e728a70692520).
The id pins this exact claim, so a citation stays checkable after the price moves.
Model estimate for research — not a quote, target price, or investment advice.
IPO Outlookprivate
Is Mill going public?
No. Mill is private and has not filed to go public. There is no S-1 on file.
What is Mill's valuation in 2026?
Mill is valued at $670M as of 2023-Q3, set by its Series C ($70M, Sep 2023). That is the last confirmed mark, not a live price — private shares do not trade continuously.
Has Mill filed an S-1?
No public S-1 is on file for Mill.
How much has Mill raised?
Mill has raised $232M in total, most recently a Series C of $70M in Sep 2023.
Is Mill publicly traded — can you buy Mill stock?
No. Mill is a private company — its shares are not listed on any exchange and there is no ticker. The routes to exposure are pre-IPO secondary marketplaces and funds (accredited investors), employee tender offers when the company runs one, and public companies with read-through exposure. QuantLogix maps every route it can verify for Mill on its Pre-IPO Access Desk.
Answers are derived from the roster record shown on this page — filing status, last round and confirmed marks. Where the record is silent, the answer says so rather than guessing.
Company Profile
Founded
2020
HQ
San Bruno, CA
Employees
471
Total Raised
$232M
Last Round
Series C — $70M (Sep 2023)
IPO Status
private
Fundraising Status
Series C · $70M · 3y ago
privateTotal raised $232M
Latest Funding Round
Round
Amount
Date
Lead Investor
Post-Money
Series C
$70M
Sep 2023
—
$670M
Talent Signal
Hiring trend
▲ Hiring uptrend
+23% vs 2026-08
Open roles
27
via greenhouse
Product-build share
78%
engineering, research, product, design
Trajectory
scaling
heavy product build — 78% of open roles are product-building functions (engineering/research/product) — 8 of 27 open roles are engineering.
Executive bench growing while hiring expands: 1 senior hire (CEO); open roles trending up.
Open roles by month
Open roles by function
■ product-building ■ go-to-market / G&A
Key Executive Moves
INChristian WiltroutCEO · 2026-08-24
From trusted-source news extraction (deep-enrich pipeline); dates approximate publication, not effective date.
Data Engineer - Data PlatformElectrical EngineerElectrical Engineering Intern, Fall/Winter 2026Feed Manufacturing OperatorFirmware Engineering Intern, Winter 2026Firmware Engineering Manager
Counted from Mill's live job board as of 2026-09-16; role functions classified from posting titles. Open-role counts are an activity signal, not headcount. Refreshed monthly.
Private-company numbers are not real-time. Reflects publicly disclosed valuations from press releases, news reports, and tender offers as of 2023-Q3. Refreshed quarterly.