QuantLogix's current estimate for Heirloom, published 2026-09-27 — in line with the last disclosed round of $650M (2024-Q4).
Confidence
low
Basis
round anchored
What backs this price
Last disclosed round
$650M
2024-Q4
weight 0.3
How this price has held up
No round has priced for Heirloom 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, Heirloom, 2026-09-27 (20e19a51a312a889).
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 Heirloom going public?
No. Heirloom is private and has not filed to go public. There is no S-1 on file.
What is Heirloom's valuation in 2026?
Heirloom is valued at $650M as of 2024-Q4, set by its Series B1 ($143.66M, Dec 2024). That is the last confirmed mark, not a live price — private shares do not trade continuously.
Has Heirloom filed an S-1?
No public S-1 is on file for Heirloom.
How much has Heirloom raised?
Heirloom has raised $201.26M in total, most recently a Series B1 of $143.66M in Dec 2024.
Is Heirloom publicly traded — can you buy Heirloom stock?
No. Heirloom 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 Heirloom 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
Brisbane, CA
Employees
180
Total Raised
$201.26M
Last Round
Series B1 — $143.66M (Dec 2024)
IPO Status
private
Fundraising Status
Series B1 · $143.66M · 1y 9mo ago
privateTotal raised $201.26M
Latest Funding Round
Round
Amount
Date
Lead Investor
Post-Money
Series B1
$143.66M
Dec 2024
—
$650M
Talent Signal
Hiring trend
▶ Hiring steady
0% vs 2026-08
Open roles
3
via ashby
Product-build share
67%
engineering, research, product, design
Trajectory
steady
heavy product build — 67% of open roles are product-building functions (engineering/research/product) — 1 of 3 open roles are hardware.
Counted from Heirloom'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.
MineralMining Technology
Private-company numbers are not real-time. Reflects publicly disclosed valuations from press releases, news reports, and tender offers as of 2024-Q4. Refreshed quarterly.