Startup profile for Lookout: latest funding, latest known valuation, total disclosed funding, investors, status, sources, and why the company is interesting. Part of the Venture Capital Tracker startup directory.

Startup profile · funding coverage

Lookout funding, valuation and investors

Mobile security platform — malware protection, app risk, and enterprise mobile threat defense.

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Funding, valuation & investors

Answer-first snapshot

Latest funding

Series F

$150M · 2014

Latest known valuation

Not publicly disclosed

Total disclosed equity funding

$190M

Excludes debt, grants, acquisitions, secondaries, and IPO proceeds.

Current status

private

growth · San Francisco, California

Investors in latest funding

Lead: T. Rowe Price

Other: Greylock Partners

Sources: latest funding Last verified: 2026-07-25

Overview

Lookout is a San Francisco cybersecurity company providing mobile security for smartphones and tablets — detecting malware, risky apps, network threats, and phishing on iOS and Android. Founded in 2007, Lookout raised a $40M Series D in September 2011 led by Andreessen Horowitz with Khosla Ventures, Index Ventures, and Accel participating, followed by a $150M Series F in 2014 led by T. Rowe Price with Greylock joining the syndicate.

Why Lookout is interesting

Lookout was early mobile-security category leader — a16z led $40M Series D (2011) and stayed through $150M Series F as smartphones became the primary enterprise attack surface.

Product & use cases

Lookout Mobile Endpoint Security protects corporate and personal devices from mobile threats — app analysis, network security, phishing detection, and compliance reporting for enterprise IT and security teams.

  • Enterprise mobile threat defense for BYOD and corporate-issued phones
  • Detecting sideloaded malware and risky apps on employee devices
  • Government and regulated industry mobile security compliance

Key facts

  • Series D (Sep 2011): $40M led by a16z (a16z announcement)
  • Series F (2014): $150M led by T. Rowe Price; Greylock joined syndicate
  • Pioneer in consumer then enterprise mobile security since 2007
  • Protects millions of mobile endpoints globally

Funding history (newest first)

Investors in our directory

Funds linked from Lookout's profile — open a fund page for stage focus and related deal articles.

Competitive landscape

Edge: Lookout built one of the largest mobile threat intelligence datasets early — before Microsoft Intune and CrowdStrike added mobile modules. a16z's 2011 Series D lead validated mobile as a standalone security category.

Mobile security became table stakes inside broader endpoint platforms. Lookout survives on mobile depth and government contracts where specialized MTD still wins RFPs against bundled suites.

  • Microsoft Intune / Defender incumbent

    Bundled mobile management and security in M365 E5; Lookout competes as best-of-breed mobile specialist.

  • Zimperium direct

    Mobile threat defense competitor focused on zero-day mobile exploits.

  • CrowdStrike Falcon for Mobile adjacent

    Endpoint leader expanding to mobile; Lookout's deeper mobile-native heritage.

Notable stories

  • Lookout started as a consumer antivirus app for early smartphones before pivoting enterprise — riding the BYOD wave when IT departments lost control of device security.
  • a16z led Series D in 2011 when 'mobile security' was still debated as a category — betting smartphones would become the primary computing surface for attacks.

Industries

Cybersecurity Enterprise SaaS

Related funding articles

Venture Capital Tracker pieces that cover Lookout's financing or category context.

FAQs about Lookout

Practical answers founders, operators, and investors typically search for.

Lookout provides mobile security — malware detection, app risk analysis, and mobile threat defense for enterprise and government devices.
Andreessen Horowitz (/fund/andreessen-horowitz) led the $40M Series D (2011). Khosla (/fund/khosla-ventures), Index (/fund/index-ventures), and Greylock (/fund/greylock-partners) also participated across rounds.
September 2011 — $40M led by a16z.
Intune bundles mobile management with M365. Lookout specializes in mobile threat detection and intelligence as a dedicated MTD vendor.
Yes — private company as of July 2026. No public acquisition announced.
John Hering, Kevin Mahaffey, and James Burgess founded Lookout in 2007.
Yes — Lookout protects both platforms for consumer and enterprise deployments.
Growth stage post-Series F (2014, $150M).
No public profitability disclosure.
Yes — Lookout has public sector and FedRAMP-oriented offerings for government mobile security.

By Venture Capital Tracker

Last updated:

Editorial note: AI tools assisted with research, structure, or drafting. Venture Capital Tracker retains human editorial responsibility for factual accuracy, relevance, and source quality before publication.