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Investors / SOSV / Compare with Y Combinator

SOSV vs Y Combinator

SOSV lists 603 portfolio companies and has joined 37 funding rounds; Y Combinator lists 5,151 companies and has joined 3,388 rounds. SOSV comes in most often at Seed (91% of its entries), Y Combinator comes in most often at Seed (98% of its entries). 7 companies are on both portfolios, among them Somatic, Global Belly and Indee Labs.

603Portfolio companies5,151
37Funding rounds joined3,388
6Rounds led2,960
24Rounds, last 12 months579
$1M to $5MTypical round it comes in atunder $1M
0%Sites no longer answering0%
Show as a table
SOSV and Y Combinator, head to head
SOSVY Combinator
Portfolio companies6035,151
Funding rounds joined373,388
Rounds led62,960
Rounds, last 12 months24579
Typical round it comes in at$1M to $5Munder $1M
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed0%0%
Seed91%98%
Series A6%1%
Series B0%0%
Growth3%1%

SOSVY Combinator

Show as a table
Entry stages of SOSV and Y Combinator, share of entries
SOSVY Combinator
Pre-seed0%0%
Seed91%98%
Series A6%1%
Series B0%0%
Growth3%1%

Themes

share of checked companies
AI & Machine Learning18%26%
Healthcare & Biotech22%11%
Fintech5%13%
Industrial & Manufacturing11%4%
Enterprise Software0%10%
Food & Agriculture7%0%

SOSVY Combinator

Show as a table
Themes of SOSV and Y Combinator, share of checked companies
SOSVY Combinator
AI & Machine Learning18%26%
Healthcare & Biotech22%11%
Fintech5%13%
Industrial & Manufacturing11%4%
Enterprise Software0%10%
Food & Agriculture7%0%

Companies both back

7

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 SOSV 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/sosv.com/portfolio

# also
GET /v1/firms/ycombinator.com/portfolio
GET /v1/firms/sosv.com/coinvestors
The same data as an MCP server for Claude, Cursor and other AI tools. Set up MCP · Docs · Pricing