QuantLogix's current estimate for Plume, published 2026-09-27 — below the last disclosed round of $2.6B (2021-Q4).
Confidence
medium
Basis
secondary led
What backs this price
Last disclosed round
$2.6B
2021-Q4
weight 0.04
Secondary market print
$1.2B
2026-06-27
weight 0.58
How this price has held up
No round has priced for Plume 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, Plume, 2026-09-27 (b03903680d391496).
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 Plume going public?
No. Plume is private and has not filed to go public. There is no S-1 on file.
What is Plume's valuation in 2026?
Plume is valued at $2.6B as of 2021-Q4, set by its Series F ($300M, Oct 2021). That is the last confirmed mark, not a live price — private shares do not trade continuously.
Has Plume filed an S-1?
No public S-1 is on file for Plume.
How much has Plume raised?
Plume has raised $722.83M in total, most recently a Series F of $300M in Oct 2021.
Is Plume publicly traded — can you buy Plume stock?
No. Plume 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 Plume 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
2015
HQ
Palo Alto, CA
Employees
476
Total Raised
$722.83M
Last Round
Series F — $300M (Oct 2021)
IPO Status
private
Fundraising Status
Series F · $300M · 4y 11mo ago
privateTotal raised $722.83M
Secondary Market
Implied price / share
$2.47
Last round price / share
$5.58
vs last round
-55.7%
Open interest
3
Last round price vs secondary price
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 F
$300M
Oct 2021
—
$2.6B
Talent Signal
Hiring trend
▲ Hiring uptrend
+50% vs 2026-08
Open roles
21
via greenhouse
Product-build share
71%
engineering, research, product, design
Trajectory
scaling
heavy product build — 71% of open roles are product-building functions (engineering/research/product) — 14 of 21 open roles are engineering.
Executive bench growing while hiring expands: 1 senior hire (CRO); open roles trending up.
Open roles by month
Open roles by function
■ product-building ■ go-to-market / G&A
Key Executive Moves
INPeter WulfraatCRO · 2026-09-12
From trusted-source news extraction (deep-enrich pipeline); dates approximate publication, not effective date.
Counted from Plume'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.
Network HardwareWirelessSaaSSmart Home
Private-company numbers are not real-time. Reflects publicly disclosed valuations from press releases, news reports, and tender offers as of 2021-Q4. Refreshed quarterly.