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Sift

Developer of a machine-learning-based fraud detection software designed to help businesses to detect and fight fraud.
Developer of a machine-learning-based fraud detection software designed to help businesses to detect and fight fraud.
Network Management Software 📍 San Francisco, CA Founded 2011
Current Valuation
$1.8B
as of 2021-Q3
UNICORN

QL Price

$342.57M
-81% vs last round
QuantLogix's current estimate for Sift, published 2026-09-09 — below the last disclosed round of $1.8B (2021-Q3).
Confidence
medium
Basis
secondary led
What backs this price
Last disclosed round $1.8B 2021-Q3 weight 0.03
Secondary market print $267.54M 2026-06-27 weight 0.64
How this price has held up
No round has priced for Sift since QuantLogix began publishing a price for it, so there is nothing to grade yet. The claim above is on the record from 2026-09-09 and will be graded against the next priced round. See the full accuracy record →
How to actually get exposure to Sift →
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, Sift, 2026-09-09 (2bae555ff8971e6c). 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 Sift going public?
No. Sift is private and has not filed to go public. There is no S-1 on file.
What is Sift's valuation in 2026?
Sift is valued at $1.8B as of 2021-Q3, set by its Series E1 ($25M, Sep 2021). That is the last confirmed mark, not a live price — private shares do not trade continuously.
Has Sift filed an S-1?
No public S-1 is on file for Sift.
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
2011
HQ
San Francisco, CA
Employees
271
Total Raised
$208.22M
Last Round
Series E1 — $25M (Sep 2021)
IPO Status
private

Fundraising Status

Series E1 · $25M · 5y ago
privateTotal raised $208.22M

Secondary Market

Implied price / share
$3.8
Last round price / share
$25.91
vs last round
-85.3%
Open interest
1
Last round price vs secondary price
Last round vs current secondary price per share$25.91Last round$3.80Current
Secondary price return by period
Secondary market period returns3-month-4.0%6-month+1.1%1-year-4.5%All-time-85.3%
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 E1$25MSep 2021$1.8B

Talent Signal

Hiring trend
First snapshot
trend accrues with monthly sweeps
Open roles
9
via ashby
Product-build share
56%
engineering, research, product, design
Trajectory
strengthening
product-led hiring — 56% of open roles build product; the rest are go-to-market and G&A.
Recent senior hire: 1 senior hire (CEO).
Open roles by month
Open roles by month9Aug '26
Open roles by function
Open roles by functionEngineering2Other2Data & ML1Security1Research1Sales & GTM1Ops & People1
product-building   go-to-market / G&A
Key Executive Moves
INCo-Founder Austin SpiegelCEO · 2026-08-07
From trusted-source news extraction (deep-enrich pipeline); dates approximate publication, not effective date.
Forward Deployed Engineer, Trust and SafetyMachine Learning EngineerSenior Security Engineer Full-Stack EngineerData Scientist Product & Customer Learning Manager
Counted from Sift's live job board as of 2026-08-17; role functions classified from posting titles. Open-role counts are an activity signal, not headcount. Refreshed monthly.
Cyber SecurityNetwork SecurityBig DataPredictive AnalyticsMachine LearningFraud Detection
Private-company numbers are not real-time. Reflects publicly disclosed valuations from press releases, news reports, and tender offers as of 2021-Q3. Refreshed quarterly.