/

Investors / MaRS IAF / Compare with Y Combinator

MaRS IAF vs Y Combinator

MaRS IAF lists 106 portfolio companies and has joined 7 funding rounds; Y Combinator lists 5,151 companies and has joined 3,388 rounds. MaRS IAF comes in most often at Seed (100% of its entries), Y Combinator comes in most often at Seed (98% of its entries). 5 companies are on both portfolios, among them Hypercontext, OneLocal and teaBOT.

106Portfolio companies5,151
7Funding rounds joined3,388
1Rounds led2,960
5Rounds, last 12 months579
$1M to $5MTypical round it comes in atunder $1M
0%Sites no longer answering0%
Show as a table
MaRS IAF and Y Combinator, head to head
MaRS IAFY Combinator
Portfolio companies1065,151
Funding rounds joined73,388
Rounds led12,960
Rounds, last 12 months5579
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%
Seed100%98%
Series A0%1%
Series B0%0%
Growth0%1%

MaRS IAFY Combinator

Show as a table
Entry stages of MaRS IAF and Y Combinator, share of entries
MaRS IAFY Combinator
Pre-seed0%0%
Seed100%98%
Series A0%1%
Series B0%0%
Growth0%1%

Themes

share of checked companies
AI & Machine Learning17%26%
Healthcare & Biotech19%11%
Fintech8%13%
Industrial & Manufacturing12%4%
Enterprise Software6%10%
Education7%5%

MaRS IAFY Combinator

Show as a table
Themes of MaRS IAF and Y Combinator, share of checked companies
MaRS IAFY Combinator
AI & Machine Learning17%26%
Healthcare & Biotech19%11%
Fintech8%13%
Industrial & Manufacturing12%4%
Enterprise Software6%10%
Education7%5%

Companies both back

5

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 MaRS IAF 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/marsiaf.com/portfolio

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