/

Investors / Manta Ray / Compare with Y Combinator

Manta Ray vs Y Combinator

Manta Ray lists 55 portfolio companies and has joined 7 funding rounds; Y Combinator lists 5,151 companies and has joined 3,388 rounds. Manta Ray comes in most often at Seed (43% of its entries), Y Combinator comes in most often at Seed (98% of its entries). 2 companies are on both portfolios, among them Astranis and Probably Genetic.

55Portfolio companies5,151
7Funding rounds joined3,388
0Rounds led2,960
4Rounds, last 12 months579
$5M to $20MTypical round it comes in atunder $1M
0%Sites no longer answering0%
Show as a table
Manta Ray and Y Combinator, head to head
Manta RayY Combinator
Portfolio companies555,151
Funding rounds joined73,388
Rounds led02,960
Rounds, last 12 months4579
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-seed0%0%
Seed43%98%
Series A29%1%
Series B29%0%
Growth0%1%

Manta RayY Combinator

Show as a table
Entry stages of Manta Ray and Y Combinator, share of entries
Manta RayY Combinator
Pre-seed0%0%
Seed43%98%
Series A29%1%
Series B29%0%
Growth0%1%

Themes

share of checked companies
AI & Machine Learning19%26%
Healthcare & Biotech25%11%
Fintech5%13%
Enterprise Software11%10%
Real Estate & Construction8%0%
Food & Agriculture7%0%

Manta RayY Combinator

Show as a table
Themes of Manta Ray and Y Combinator, share of checked companies
Manta RayY Combinator
AI & Machine Learning19%26%
Healthcare & Biotech25%11%
Fintech5%13%
Enterprise Software11%10%
Real Estate & Construction8%0%
Food & Agriculture7%0%

Companies both back

2

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

Free account · no card

Compare Manta Ray 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.

Work email, sign-in link by email. Already have an account? Log in
  • 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/mantaray.vc/portfolio

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