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Investors / Iron Pillar / Compare with Y Combinator

Iron Pillar vs Y Combinator

Iron Pillar lists 18 portfolio companies and has joined 3 funding rounds; Y Combinator lists 5,150 companies and has joined 3,388 rounds. Iron Pillar comes in most often at Growth (100% of its entries), Y Combinator comes in most often at Seed (98% of its entries). 2 companies are on both portfolios, among them Orange Health Labs and Skill-Lync.

18Portfolio companies5,150
3Funding rounds joined3,388
2Rounds led2,960
1Rounds, last 12 months579
$20M to $100MTypical round it comes in atunder $1M
0%Sites no longer answering0%
Show as a table
Iron Pillar and Y Combinator, head to head
Iron PillarY Combinator
Portfolio companies185,150
Funding rounds joined33,388
Rounds led22,960
Rounds, last 12 months1579
Typical round it comes in at$20M to $100Munder $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%
Growth100%1%

Iron PillarY Combinator

Show as a table
Entry stages of Iron Pillar and Y Combinator, share of entries
Iron PillarY Combinator
Pre-seed0%0%
Seed0%98%
Series A0%1%
Series B0%0%
Growth100%1%

Themes

share of checked companies
AI & Machine Learning10%26%
Healthcare & Biotech17%11%
Fintech17%13%
E-commerce & Marketplaces14%5%
Education10%5%
Enterprise Software0%10%

Iron PillarY Combinator

Show as a table
Themes of Iron Pillar and Y Combinator, share of checked companies
Iron PillarY Combinator
AI & Machine Learning10%26%
Healthcare & Biotech17%11%
Fintech17%13%
E-commerce & Marketplaces14%5%
Education10%5%
Enterprise Software0%10%

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

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Compare Iron Pillar 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/ironpillarfund.com/portfolio

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