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Carbon

Developer of digital manufacturing platform designed to help in making advanced thinking a practical reality.
Developer of digital manufacturing platform designed to help in making advanced thinking a practical reality.
Other Hardware 📍 Redwood City, CA Founded 2013
Current Valuation
$2.4B
as of 2019-Q4
UNICORN

QL Price

$550.73M
-77% vs last round
QuantLogix's current estimate for Carbon, published 2026-09-27 — below the last disclosed round of $2.4B (2019-Q4).
Confidence
medium
Basis
secondary led
What backs this price
Last disclosed round $2.4B 2019-Q4 weight 0.01
Secondary market print $520.8M 2026-06-27 weight 0.58
How this price has held up
No round has priced for Carbon 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 →
How to actually get exposure to Carbon →
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, Carbon, 2026-09-27 (0663d87d24729cd6). 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 Carbon going public?
No. Carbon is private and has not filed to go public. There is no S-1 on file.
What is Carbon's valuation in 2026?
Carbon is valued at $2.4B as of 2019-Q4, set by its Series E ($260M, Oct 2019). That is the last confirmed mark, not a live price — private shares do not trade continuously.
Has Carbon filed an S-1?
No public S-1 is on file for Carbon.
How much has Carbon raised?
Carbon has raised $682M in total, most recently a Series E of $260M in Oct 2019.
Is Carbon publicly traded — can you buy Carbon stock?
No. Carbon 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 Carbon on its Pre-IPO Access Desk.
How to actually get exposure to Carbon →
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
2013
HQ
Redwood City, CA
Employees
500
Total Raised
$682M
Last Round
Series E — $260M (Oct 2019)
IPO Status
private

On the IPO Calendar

Upcoming listing · CZTI · Nasdaq
Expected
06/11/2024
Offer
$13
Size
$43M
IPO calendar → · preview CZTI → · Run DD →
Exchange calendar terms from licensed market-data feeds. Expected dates marked est. are news-derived, not exchange-confirmed. Educational only, not a listing prediction.

Fundraising Status

Series E · $260M · 6y 11mo ago
privateTotal raised $682M

Secondary Market

Implied price / share
$6.08
Last round price / share
$27.99
vs last round
-78.3%
Open interest
6
Last round price vs secondary price
Last round vs current secondary price per share$27.99Last round$6.08Current
Secondary price return by period
Secondary market period returns3-month-30.8%6-month-30.3%1-year-30.3%All-time-78.3%
Implied per-share price from private secondary transactions, as of Jun 2026. This is a point estimate, not a quote — the feed carries no bid, ask or spread, and a secondary print is evidence of what someone paid on that date rather than a live market. Compare across every tracked name →

Latest Funding Round

RoundAmountDateLead InvestorPost-Money
Series E$260MOct 2019—$2.4B

Talent Signal

Hiring trend
▼ Hiring downtrend
-43% vs 2026-08
Open roles
12
via greenhouse
Product-build share
83%
engineering, research, product, design
Trajectory
strengthening
heavy product build — 83% of open roles are product-building functions (engineering/research/product) — 7 of 12 open roles are engineering.
Recent senior hire: 1 senior hire (CEO); open roles trending down.
Open roles by month
Open roles by month21Aug '2612Sep '26
Open roles by function
Open roles by functionEngineering7Hardware3Finance & Strategy1Ops & People1
■ product-building   ■ go-to-market / G&A
Key Executive Moves
INMarkus KritzlerCEO · 2026-09-13
From trusted-source news extraction (deep-enrich pipeline); dates approximate publication, not effective date.
Director, Hardware EngineeringHead of Hardware Production and Supply Chain OperationsSenior Manufacturing Process EngineerSenior Opto-Mech EngineerSenior Software EngineerSenior Staff Firmware Engineer
Counted from Carbon's live job board as of 2026-09-15; role functions classified from posting titles. Open-role counts are an activity signal, not headcount. Refreshed monthly.
3D PrintingIndustrial EngineeringMechanical EngineeringManufacturing
Private-company numbers are not real-time. Reflects publicly disclosed valuations from press releases, news reports, and tender offers as of 2019-Q4. Refreshed quarterly.