/

Investors / Foster Ventures / Compare with Primary

Foster Ventures vs Primary

Foster Ventures lists 16 portfolio companies and has joined 4 funding rounds; Primary lists 80 companies and has joined 33 rounds. Foster Ventures comes in most often at Seed (75% of its entries), Primary comes in most often at Seed (39% of its entries). 1 company is on both portfolios, among them Lyric.

16Portfolio companies80
4Funding rounds joined33
0Rounds led11
1Rounds, last 12 months20
$5M to $20MTypical round it comes in at$5M to $20M
0%Sites no longer answering0%
Show as a table
Foster Ventures and Primary, head to head
Foster VenturesPrimary
Portfolio companies1680
Funding rounds joined433
Rounds led011
Rounds, last 12 months120
Typical round it comes in at$5M to $20M$5M to $20M
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed0%0%
Seed75%39%
Series A0%39%
Series B25%11%
Growth0%11%

Foster VenturesPrimary

Show as a table
Entry stages of Foster Ventures and Primary, share of entries
Foster VenturesPrimary
Pre-seed0%0%
Seed75%39%
Series A0%39%
Series B25%11%
Growth0%11%

Themes

share of checked companies
AI & Machine Learning36%28%
Enterprise Software21%5%
Healthcare & Biotech4%16%
Fintech11%12%
Industrial & Manufacturing7%3%
Education7%3%

Foster VenturesPrimary

Show as a table
Themes of Foster Ventures and Primary, share of checked companies
Foster VenturesPrimary
AI & Machine Learning36%28%
Enterprise Software21%5%
Healthcare & Biotech4%16%
Fintech11%12%
Industrial & Manufacturing7%3%
Education7%3%

Companies both back

1

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 Foster Ventures and Primary 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/fostervc.com/portfolio

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