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Snorkel AI

Snorkel AI

Private
Redwood City, CaliforniaAI, Data & Cloud Infrastructurehttps://snorkel.ai

Last Round

Series E

Sep 22, 2026

Est. Valuation

$3.5B

Total Funding Raised

$588.3M

Momentum

Top 5%

of companies Caplight tracks

Company Overview

Snorkel AI is an enterprise software company that provides a data-centric AI platform for programmatically labeling, building, and managing training data to accelerate the development of machine learning models.

Sector

AI, Data & Cloud Infrastructure

Verticals

ML Platforms, Synthetic Data, NLP & Conversational AI, Data Governance, Workflow Automation

Business Model

B2B

Customer Profile

Data as a Service, Services & Consulting

AI Layer

Infrastructure

Keywords

data-centric AIprogrammatic labelingdata development platformdata as a serviceDaaStraining dataautomated data labelingdata curationMLOpsAI model trainingdata labelingdata cleaningsynthetic datadata prepAI infrastructure

Historical Pricing

Historical view of private secondary pricing and transaction trends.

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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Track how buyer interest and sentiment changes over time.

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Snorkel AI Comparables

Compare Snorkel AI with similar companies based on industry and business-model similarity.

Snorkel AI comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Labelbox
85%
Scale AI
83%
SuperAnnotate
78%
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Snorkel AI Funding Rounds

Historical fundraising activity

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Key People

Founding team and executive leadership

Alexander Ratner

Co-Founder and CEO

Founding Team

Arinze Okigbo

Co-Founder CEO, Splita AI Expert Contributor (DevOps)

Founding Team

Jimmy Hillis

Chief Technology Officer

Executive Team

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Snorkel AI Investors

Notable investors and investment history

Snorkel AI investors
InvestorRounds
S32Series E
AdditionSeries E, Series D, Series C
OnePrime CapitalSeries E
GVSeries C, Series B, Seed, Series E, Series A
Greylock PartnersSeries D, Series C, Series B, Series E, Seed, Series A
Blumberg CapitalSeries E
WRVI CapitalSeries C
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Market signals

Structured signals derived from secondary market and firmographic data.

  • Sep 22, 2026

    $350M round led by Insight Partners and S32.

  • Sep 20, 2026

    Grew 19% QoQ, from 1,208 to 1,443 employees.

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Recent news

Latest coverage and updates

  • adopts_technologyNov 2, 2026

    Snorkel adopts Prisma AIRS AI Gateway to debug and evaluate its multi-agent system through visual trace inspection, tagging, filtering, and side-by-side comparisons.

  • attends_eventOct 13, 2026

    Snorkel organizes Frontier Data Summit, a one-day, invite-only event that brings together researchers and practitioners working on benchmark research.

  • partners_withOct 2, 2026

    On Feb 11th '26, Snorkel and Hugging Face partnered as founding partners supplying research, advisory support, and platform credits for the program.

  • partners_withOct 2, 2026

    On Feb 11th '26, Snorkel and Prime Intellect, Inc. joined as founding partners, supplying research, advisory support, and platform credits.

  • partners_withOct 2, 2026

    On Feb 11th '26, Snorkel and PyTorch Enterprise joined as founding partners in a program supplying research, advisory support, and platform credits.

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Snorkel AI Filings

Explore SEC and related filing metadata, where available.

Snorkel AI filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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Frequently Asked Questions

Common questions about Snorkel AI's valuation, stock price, and market status.

Is Snorkel AI a public or private company?

Snorkel AI is a private company.

What is the current stock price of Snorkel AI?

Snorkel AI is a private company, so its shares have no public market price. Caplight tracks Snorkel AI's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.

How much is Snorkel AI worth (valuation)?

Snorkel AI's valuation is estimated at $3.5B based on funding round data.

Can I buy Snorkel AI stock?

Snorkel AI shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.

When was Snorkel AI's last funding round?

Snorkel AI's most recent funding round was Series E on September 22, 2026.

Who are the main investors in Snorkel AI?

Key investors in Snorkel AI include Addition, GV, Greylock Partners, QBE Ventures, BlackRock.

Will Snorkel AI IPO soon?

No public IPO plans have been announced for Snorkel AI.

How can I track Snorkel AI secondary market activity?

Caplight tracks bids, offers, and trades in Snorkel AI's shares on secondary markets.

Firmographic Details

HeadquartersRedwood City, California
Employee Range1,108
Year Founded2019
Last FundingSep 22, 2026

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