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AfterQuery

AfterQuery

Private
San Francisco, CaliforniaAI, Data & Cloud Infrastructurehttps://www.afterquery.com/

Last Round

Series B

Sep 1, 2026

Est. Valuation

$3.2B

Total Funding Raised

$31M

Momentum

Top 1%

of companies Caplight tracks

Company Overview

AfterQuery is an artificial intelligence company that operates as an applied research lab curating data solutions to accelerate foundation model development.

Sector

AI, Data & Cloud Infrastructure

Verticals

AI Training Infrastructure, NLP & Conversational AI, Workflow Automation, ML Platforms

Business Model

B2B

Customer Profile

Data as a Service, Services & Consulting

AI Layer

Infrastructure

Keywords

training dataRLHFsupervised fine-tuningSFTAI evaluationreinforcement learningRLdata labelingAI agent trainingfrontier AIdata as a servicehuman-in-the-loopmodel alignmentsynthetic dataAI infrastructure

Historical Pricing

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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AfterQuery Comparables

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

AfterQuery comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Surge AI
85%
Scale AI
81%
Labelbox
79%

AfterQuery Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series BSep 1, 2026
Series AApr 9, 2026
SeedMar 1, 2025

Key People

Founding team and executive leadership

Spencer Mateega

Co-Founder CEO, Co-Founder, CEO

Founding Team

AfterQuery Investors

Notable investors and investment history

AfterQuery investors
InvestorRounds
Awesome People VenturesSeed
Failup VenturesAccelerator
Sequoia CapitalSeed
Altos VenturesSeries A
NextView VenturesSeed
BoxGroupSeries A, Seed
TSV CapitalSeed

Market signals

Structured signals derived from secondary market and firmographic data.

  • Sep 1, 2026

    Closed a $3.2B Series B round.

  • Aug 16, 2026

    Grew 73% QoQ from 129 to 223 employees.

Recent news

Latest coverage and updates

  • has_revenueSep 2, 2026

    AfterQuery had revenue of $100M on Apr 1st '26.

  • has_valuationSep 2, 2026

    AfterQuery had valuation of $3.2B on Sep 2nd '26.

  • has_valuationSep 1, 2026

    AfterQuery had valuation of $300M on Apr 1st '26.

  • receives_financingSep 1, 2026

    AfterQuery received financing of $30M in Series A on Apr 1st '26.

AfterQuery Filings

Explore SEC and related filing metadata, where available.

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

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Frequently Asked Questions

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

Is AfterQuery a public or private company?

AfterQuery is a private company.

What is the current stock price of AfterQuery?

AfterQuery is a private company with no public stock price. No recent secondary market data is available.

How much is AfterQuery worth (valuation)?

AfterQuery's valuation is estimated at $300.0M based on funding round data.

Can I buy AfterQuery stock?

AfterQuery shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was AfterQuery's last funding round?

AfterQuery's most recent funding round was Series A on April 9, 2026.

Who are the main investors in AfterQuery?

Key investors in AfterQuery include Altos Ventures.

Will AfterQuery IPO soon?

No public IPO plans have been announced for AfterQuery.

How can I track AfterQuery secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor AfterQuery's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersSan Francisco, California
Employee Range167
Year Founded2025
Last FundingSep 1, 2026

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