Braintrust is the end-to-end platform for building AI applications.
Braintrust is the end-to-end platform for building AI applications.
Human Capital Services📍 San Francisco, CAFounded 2018
Current Valuation
$800M
as of 2026-Q1
PRIVATE
QL Price
$800M
0% vs last round
QuantLogix's current estimate for Braintrust, published 2026-09-28 — in line with the last disclosed round of $800M (2026-Q1).
Confidence
medium
Basis
secondary led
What backs this price
Last disclosed round
$800M
2026-Q1
weight 0.71
Secondary market print
$800M
2026-06-27
weight 0.57
How this price has held up
No round has priced for Braintrust since QuantLogix began publishing a price for it, so there is nothing to grade yet. The claim above is on the record from 2026-09-28 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, Braintrust, 2026-09-28 (620d3d5816b4daea).
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 Braintrust going public?
No. Braintrust is private and has not filed to go public. There is no S-1 on file.
What is Braintrust's valuation in 2026?
Braintrust is valued at $800M as of 2026-Q1, set by its Series B ($80M, Feb 2026). That is the last confirmed mark, not a live price — private shares do not trade continuously.
Has Braintrust filed an S-1?
No public S-1 is on file for Braintrust.
How much has Braintrust raised?
Braintrust has raised $124.3M in total, most recently a Series B of $80M in Feb 2026.
Is Braintrust publicly traded — can you buy Braintrust stock?
No. Braintrust 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 Braintrust 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
2018
HQ
San Francisco, CA
Employees
205
Total Raised
$124.3M
Last Round
Series B — $80M (Feb 2026)
IPO Status
private
Fundraising Status
Series B · $80M · 7 mo ago
privateTotal raised $124.3M
Secondary Market
Implied price / share
$20
Open interest
1
Secondary price return by period
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
Round
Amount
Date
Lead Investor
Post-Money
Series B
$80M
Feb 2026
—
$800M
Talent Signal
Hiring trend
▲ Hiring uptrend
+22% vs 2026-08
Open roles
28
via ashby
Product-build share
46%
engineering, research, product, design
Trajectory
expanding
product-led hiring — 46% of open roles build product; the rest are go-to-market and G&A.
No tracked executive churn; open roles trending up.
Counted from Braintrust'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 2026-Q1. Refreshed quarterly.