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Investors / Primary / Compare with StartX

Primary vs StartX

Primary lists 80 portfolio companies and has joined 33 funding rounds; StartX lists 771 companies and has joined 2 rounds. Primary comes in most often at Seed (39% of its entries), StartX comes in most often at Series A (100% of its entries). 2 companies are on both portfolios, among them Alma and Flock.

80Portfolio companies771
33Funding rounds joined2
11Rounds led0
20Rounds, last 12 months1
$5M to $20MTypical round it comes in at$20M to $100M
0%Sites no longer answering0%
Show as a table
Primary and StartX, head to head
PrimaryStartX
Portfolio companies80771
Funding rounds joined332
Rounds led110
Rounds, last 12 months201
Typical round it comes in at$5M to $20M$20M to $100M
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed0%0%
Seed39%0%
Series A39%100%
Series B11%0%
Growth11%0%

PrimaryStartX

Show as a table
Entry stages of Primary and StartX, share of entries
PrimaryStartX
Pre-seed0%0%
Seed39%0%
Series A39%100%
Series B11%0%
Growth11%0%

Themes

share of checked companies
AI & Machine Learning28%19%
Healthcare & Biotech16%25%
Fintech12%8%
Education3%9%
Enterprise Software5%7%
E-commerce & Marketplaces7%4%

PrimaryStartX

Show as a table
Themes of Primary and StartX, share of checked companies
PrimaryStartX
AI & Machine Learning28%19%
Healthcare & Biotech16%25%
Fintech12%8%
Education3%9%
Enterprise Software5%7%
E-commerce & Marketplaces7%4%

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 Primary and StartX 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/primary.vc/portfolio

# also
GET /v1/firms/startx.com/portfolio
GET /v1/firms/primary.vc/coinvestors
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