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Investors / Fifty Years / Compare with Side Door Ventures

Fifty Years vs Side Door Ventures

Fifty Years lists 77 portfolio companies and has joined 10 funding rounds; Side Door Ventures lists 9 companies and has joined 3 rounds. Fifty Years comes in most often at Seed (50% of its entries), Side Door Ventures comes in most often at Seed (67% of its entries). 1 company is on both portfolios, among them Varda Space.

77Portfolio companies9
10Funding rounds joined3
1Rounds led0
5Rounds, last 12 months1
$20M to $100MTypical round it comes in at$5M to $20M
0%Sites no longer answering0%
Show as a table
Fifty Years and Side Door Ventures, head to head
Fifty YearsSide Door Ventures
Portfolio companies779
Funding rounds joined103
Rounds led10
Rounds, last 12 months51
Typical round it comes in at$20M to $100M$5M to $20M
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed0%0%
Seed50%67%
Series A20%33%
Series B30%0%
Growth0%0%

Fifty YearsSide Door Ventures

Show as a table
Entry stages of Fifty Years and Side Door Ventures, share of entries
Fifty YearsSide Door Ventures
Pre-seed0%0%
Seed50%67%
Series A20%33%
Series B30%0%
Growth0%0%

Themes

share of checked companies
Healthcare & Biotech40%14%
AI & Machine Learning12%29%
Fintech6%14%
Education10%0%
Industrial & Manufacturing10%0%
Space & Defense6%7%

Fifty YearsSide Door Ventures

Show as a table
Themes of Fifty Years and Side Door Ventures, share of checked companies
Fifty YearsSide Door Ventures
Healthcare & Biotech40%14%
AI & Machine Learning12%29%
Fintech6%14%
Education10%0%
Industrial & Manufacturing10%0%
Space & Defense6%7%

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

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Compare Fifty Years and Side Door Ventures 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/fiftyyears.com/portfolio

# also
GET /v1/firms/sdv.vc/portfolio
GET /v1/firms/fiftyyears.com/coinvestors
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