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VC firm

LifeX Ventures

Kingmaker TierBased on the data VC Catalog holds.

Kingmaker Tier: 90 out of 100

  • AI models & AI infrastructure
  • Biotech & therapeutics
  • Carbon & climate software
  • Care delivery & digital health
  • Clean energy & storage
  • Cloud & networking
  • Cybersecurity
  • Data & analytics
  • Developer tools
  • Health IT
  • HR & future of work
  • Legal, compliance & govtech
  • Medical devices & diagnostics
  • Mental health & wellness
  • Productivity & collaboration
  • Sales & marketing tech
  • Sustainable materials & circular economy
  • Vertical software
  • Women's & family health
  • AI native
  • Climate positive
  • Crypto web3
  • VC
  • B2B
  • B2C
Investor type
VC
Investing status
Activeas of 2026-09-17Source (opens in a new tab)
Funds
5
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Record updated 28 September 2026

About

Partnering with you to transform the future of AI and health

Investment approach

Thesis
AI acceleration of scientific innovation and commercialization.Source (opens in a new tab)
Investing status notes
Partnering with you to transform the future of AI and health

Funds

LifeX Fund II US, a series of Life Extension Ventures II, LP
$26.6MVintage 2026, SPV, Raising, SEC amount sold
LifeX Sully LLC
$850KVintage 2026, SEC amount sold
LifeX RM LLC
$326KVintage 2026, SEC amount sold
LifeX OG LLC
$2MVintage 2025, Closed, SEC amount sold
LifeX Fund I XP LLC
$2MVintage 2024, SPV, Closed, SEC amount sold
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