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Investors / LifeX Ventures / Compare with Y Combinator

LifeX Ventures vs Y Combinator

LifeX Ventures lists 73 portfolio companies and has joined 12 funding rounds; Y Combinator lists 5,151 companies and has joined 3,388 rounds. LifeX Ventures comes in most often at Series A (55% of its entries), Y Combinator comes in most often at Seed (98% of its entries). 6 companies are on both portfolios, among them allO, Genomelink and Humane Genomics.

73Portfolio companies5,151
12Funding rounds joined3,388
0Rounds led2,960
9Rounds, last 12 months579
$5M to $20MTypical round it comes in atunder $1M
0%Sites no longer answering0%
Show as a table
LifeX Ventures and Y Combinator, head to head
LifeX VenturesY Combinator
Portfolio companies735,151
Funding rounds joined123,388
Rounds led02,960
Rounds, last 12 months9579
Typical round it comes in at$5M to $20Munder $1M
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed9%0%
Seed36%98%
Series A55%1%
Series B0%0%
Growth0%1%

LifeX VenturesY Combinator

Show as a table
Entry stages of LifeX Ventures and Y Combinator, share of entries
LifeX VenturesY Combinator
Pre-seed9%0%
Seed36%98%
Series A55%1%
Series B0%0%
Growth0%1%

Themes

share of checked companies
Healthcare & Biotech48%11%
AI & Machine Learning13%26%
Fintech7%13%
Enterprise Software5%10%
Education3%5%
E-commerce & Marketplaces3%5%

LifeX VenturesY Combinator

Show as a table
Themes of LifeX Ventures and Y Combinator, share of checked companies
LifeX VenturesY Combinator
Healthcare & Biotech48%11%
AI & Machine Learning13%26%
Fintech7%13%
Enterprise Software5%10%
Education3%5%
E-commerce & Marketplaces3%5%

Companies both back

6

Shared companies are those both firms' own portfolio pages list, each checked against the company's site. The same comparison through the API is POST /v1/overlap, for up to 20 firms. How the data is graded

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Compare LifeX Ventures and Y Combinator as data

Pull both portfolios and every co-investor through one API key or MCP, and lay up to 20 firms side by side with POST /v1/overlap. A free account adds Ask AI searches and alerts when either firm adds a company.

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  • Ask AI5 plain-English investor searches a day
  • Full listsEvery portfolio row and two-firm overlap
  • API and MCP100 REST or MCP calls a month, one key
  • AlertsFollow 5 investors for portfolio and fund changes
VCinfo API
$ curl -H "X-API-Key: YOUR_KEY" \
  https://api.vcinfo.io/v1/firms/lifex.vc/portfolio

# also
GET /v1/firms/ycombinator.com/portfolio
GET /v1/firms/lifex.vc/coinvestors
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