Startup profile for Glow: 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.
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Glow funding, valuation and investors

Women's health and fertility-tracking app founded by Max Levchin.

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Funding, valuation & investors

Answer-first snapshot

Latest funding

Series B

$17M · 2014

Latest known valuation

Not publicly disclosed

Total disclosed equity funding

$23M

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

Current status

private

series b · San Francisco, California

Investors in latest funding

Lead: Formation 8

Other: Founders Fund , Andreessen Horowitz

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

Overview

Glow is a consumer women's health platform offering fertility tracking, ovulation prediction, and related health tools. Founded by PayPal co-founder Max Levchin, it was an early mover in data-driven fertility apps.

Why Glow is interesting

Glow pioneered consumer fertility tracking before expanding women's health products; a16z and Founders Fund backed its early rounds.

Product & use cases

Glow offers fertility tracking, ovulation prediction, and women's health tools — a consumer app helping users understand reproductive cycles with data-driven insights.

  • Fertility and ovulation tracking
  • Cycle prediction for family planning
  • Women's health data logging and insights

Key facts

  • Series A (2013): $6M with Founders Fund (/fund/founders-fund) and a16z (/fund/andreessen-horowitz) (Tracxn)
  • Series B (2014): $17M led by Formation 8 with Founders Fund and a16z (TechCrunch)
  • Founded by Max Levchin (PayPal co-founder); early mover in consumer fertility tracking

Funding history (newest first)

Series B

2014 $17M

Source: https://techcrunch.com/2014/05/15/glow-raises-17m/

Series A

2013 $6M

Source: https://tracxn.com/d/companies/glow/

Investors in our directory

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

Andreessen Horowitz Founders Fund

Competitive landscape

Edge: Early mover in consumer fertility tracking (2013) with PayPal co-founder Max Levchin's product DNA.

Femtech fertility apps are crowded; Glow was an early entrant but faces well-funded competitors. Levchin's brand drove early adoption.

  • Clue direct

    Period/fertility tracking; strong European user base.

  • Flo direct

    Large femtech app; broader health content.

  • Natural Cycles adjacent

    FDA-cleared contraception app; clinical positioning.

Notable stories

  • Founded by Max Levchin, PayPal co-founder — applied payments-era product thinking to femtech (2013).
  • Series B $17M (2014) led by Formation 8 with a16z and Founders Fund.

Industries

Healthtech Consumer

FAQs about Glow

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

Glow is a women's health app for fertility tracking, ovulation prediction, and cycle insights.
a16z (/fund/andreessen-horowitz) and Founders Fund (/fund/founders-fund) backed Series A ($6M, 2013) and Series B ($17M, 2014).
Max Levchin, PayPal co-founder, founded Glow in 2013.
Both track fertility cycles; Glow was an early U.S. entrant with Levchin's product pedigree.
Series B — $17M in 2014; no major round publicly disclosed since.
Yes — private consumer health app as of mid-2026.
Early consumer fertility app at scale before current femtech wave.
No — remains private.
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By Venture Capital Tracker

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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.