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Liner

Liner

Private
SeoulAI, Data & Cloud Infrastructurehttps://liner.com/

Last Round

Series C

Aug 25, 2026

Est. Valuation

$216.61M

Total Funding Raised

$69.12M

Momentum

Top 5%

of companies Caplight tracks

Company Overview

Liner is an AI-powered search and research platform that provides reliable, citation-backed answers for students, researchers, and professionals.

Sector

AI, Data & Cloud Infrastructure

Verticals

NLP & Conversational AI, Content Creation, Document Management, Workflow Automation

Business Model

B2C

Customer Profile

Freemium, Subscription SaaS, Usage-Based SaaS, Data as a Service

AI Layer

Application

Keywords

AI research assistantAI search enginebrowser extensionknowledge managementretrieval-augmented generationRAGcontent summarizationAI agentweb annotation toolAI research toolresearch workflow automationcitation-backed searchAI copilotacademic search engineSaaS

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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Liner Comparables

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

Liner comparables — related companies by embedding similarity
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Sider
79%
Slesh
78%
Monica
77%

Liner Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series CAug 25, 2026
Series B ExtensionOct 11, 2024
Series BSep 16, 2022
Series AAug 28, 2020
SeedSep 8, 2017
Seed
Jun 26, 2016

Key People

Founding team and executive leadership

Brian Woo

COO, Founder

Founding Team

Luke Jinu Kim

CEO

Executive Team

Liner Investors

Notable investors and investment history

Liner investors
InvestorRounds
InterVestSeries C, Series B Extension
SL InvestmentSeries B Extension, Series A, Series B
KB InvestmentSeries B, Series A
Samsung Venture InvestmentSeries B Extension
CJ InvestmentSeries C, Series B
KB SecuritiesSeries C
Helios Private EquitySeries C

Market signals

Structured signals derived from secondary market and firmographic data.

  • Aug 25, 2026

    Raised $36.1M led by LB Investment.

  • Apr 27, 2026

    Open roles increased to 156, 166% of headcount.

Recent news

Latest coverage and updates

  • recognized_asAug 25, 2026

    Liner recognized as 30th in global AI service web traffic on Similar Web on Jul 31st '26.

  • receives_financingAug 25, 2026

    Liner received financing of $36.1M in Series C on Aug 25th '26.

  • signs_new_clientAug 25, 2026

    Liner signs new client Humain NV.

Liner Filings

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

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Frequently Asked Questions

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

Is Liner a public or private company?

Liner is a private company.

What is the current stock price of Liner?

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

How much is Liner worth (valuation)?

Valuation information for Liner is not publicly available.

Can I buy Liner stock?

Liner 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 Liner's last funding round?

Liner's most recent funding round was Series B Extension on October 11, 2024.

Who are the main investors in Liner?

Key investors in Liner include InterVest, KB Investment, InterVest Capital Partners, Magellan Technology Investment, Atinum Investment.

Will Liner IPO soon?

No public IPO plans have been announced for Liner.

How can I track Liner secondary market activity?

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

Firmographic Details

HeadquartersSeoul
Employee Range69
Year Founded2015
Last FundingAug 25, 2026

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