Function Health's website preview

Well Run profileThe Well Run 100 · #55 of 720

Position 55

Function Health

Membership for 100+ lab tests and scans with an app that explains results

Pace
3:30/kmSprint5.0
Distance
Distance Half.
Open ops roles
2
Last week
#48
Move
▼ 7
Peak
#48
Weeks in the 100
2
The Chart →
Rank and score over time
Board rank
#38#51#63#48Oct 18#53Oct 25
Pace score
02465Oct 185Oct 25

One point per Sunday re-rank, tracking since Oct 18. The lines fill in week by week.

Sprint 3:30/kmFunction HealthNeko Health
Race 4:05/km
Tempo 4:40/km
Steady 5:20/km
Warm-up 6:00/km
Cool-down 6:30/km
Function Health runs in the Sprint lane, alongside 1 rival. Rivals on Well Run sit in their own pace lanes; further right = more momentum. Tap one to open its page.Also competes with: Superpower, InsideTracker, Prenuvo
Total raised
~$351M equity, plus $450M growth financingsee rounds ↓
Founded
2021
HQ
Austin, TX

Leadership

The problem

People can't easily get, or understand, a full picture of their health before illness

What they do

Membership for 100+ lab tests and scans with an app that explains results

Traction 500k+ members; ~$100M run-rate by Feb 2025 (Sacra est.)

Hiring trend

Open roles
33
Ops roles
2
Headcount
~520–655

~211 (2023) → ~655 (Mar 2026), Revelio est.

Hiring in

  • New York
  • Remote (US)
  • Remote (Canada)

Glassdoor

2.8 ★ 15 reviews

Funding

Last round
$298M
Stage
Series B
Date
Nov 2025

Led by Redpoint Ventures

Distance

Half · edge: learns from use

Category leader in lab-test memberships with 500k+ members, well ahead of Superpower.

Sources: Value Add VC: Function's $450M financing (Sep 2026) ↗ · New Market Pitch: at-home blood test startups compared (Jul 2026) ↗

Last checked Oct 25, 2026

News timeline

  1. Oct 2026Hires ex-Spotify/Uber/Instagram marketer Taj Alavi as first CMO prnewswire.com ↗
  2. Jul 2026Secures $450M growth financing from General Catalyst's Customer Value Fund fiercehealthcare.com ↗
  3. Apr 2026Acquires Getlabs at-home blood draw network; later adds SuppCo fiercehealthcare.com ↗
  4. Nov 2025Raises $298M Series B at $2.5B led by Redpoint; launches Medical Intelligence Lab functionhealth.com ↗
  5. May 2025Acquires full-body MRI company Ezra; launches $499 scan nbcphiladelphia.com ↗

Funding historyTotal raised ~$351M equity, plus $450M growth financing

  1. Jul 2026Debt$450M growth financing (General Catalyst Customer Value Fund)Led by General Catalyst prnewswire.com ↗
  2. Nov 2025Series B$298Mat $2.5BLed by Redpoint Ventures fiercehealthcare.com ↗
  3. Jun 2024Early rounds (Seed/Series A, combined)$53M total raised as of Jun 2024nbcphiladelphia.com ↗

Profile facts checked Oct 19, 2026. Every fact links to its public source.

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