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Investors / Transit Tech Lab / Compare with Y Combinator

Transit Tech Lab vs Y Combinator

Transit Tech Lab lists 61 portfolio companies and has joined 0 funding rounds; Y Combinator lists 5,153 companies and has joined 3,388 rounds. Y Combinator comes in most often at Seed (98% of its entries). 3 companies are on both portfolios, among them Hazel 2, Jetdocs and Ontra Mobility.

61Portfolio companies5,153
0Funding rounds joined3,388
0Rounds led2,960
0Rounds, last 12 months579
n/aTypical round it comes in atunder $1M
0%Sites no longer answering0%
Show as a table
Transit Tech Lab and Y Combinator, head to head
Transit Tech LabY Combinator
Portfolio companies615,153
Funding rounds joined03,388
Rounds led02,960
Rounds, last 12 months0579
Typical round it comes in atn/aunder $1M
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed0%0%
Seed0%98%
Series A0%1%
Series B0%0%
Growth0%1%

Transit Tech LabY Combinator

Show as a table
Entry stages of Transit Tech Lab and Y Combinator, share of entries
Transit Tech LabY Combinator
Pre-seed0%0%
Seed0%98%
Series A0%1%
Series B0%0%
Growth0%1%

Themes

share of checked companies
AI & Machine Learning25%26%
Industrial & Manufacturing25%4%
Mobility & Logistics13%0%
Fintech0%13%
Healthcare & Biotech8%11%
Enterprise Software2%10%

Transit Tech LabY Combinator

Show as a table
Themes of Transit Tech Lab and Y Combinator, share of checked companies
Transit Tech LabY Combinator
AI & Machine Learning25%26%
Industrial & Manufacturing25%4%
Mobility & Logistics13%0%
Fintech0%13%
Healthcare & Biotech8%11%
Enterprise Software2%10%

Companies both back

3

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 Transit Tech Lab 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/transitinnovation.org/portfolio

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