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Investors / OpenDoor Venture Capital / Compare with Rainfall Ventures

OpenDoor Venture Capital vs Rainfall Ventures

OpenDoor Venture Capital lists 12 portfolio companies and has joined 0 funding rounds; Rainfall Ventures lists 93 companies and has joined 4 rounds. Rainfall Ventures comes in most often at Seed (50% of its entries). 1 company is on both portfolios, among them Acorns.

12Portfolio companies93
0Funding rounds joined4
0Rounds led2
0Rounds, last 12 months2
n/aTypical round it comes in at$20M to $100M
0%Sites no longer answering0%
Show as a table
OpenDoor Venture Capital and Rainfall Ventures, head to head
OpenDoor Venture CapitalRainfall Ventures
Portfolio companies1293
Funding rounds joined04
Rounds led02
Rounds, last 12 months02
Typical round it comes in atn/a$20M to $100M
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed0%0%
Seed0%50%
Series A0%0%
Series B0%50%
Growth0%0%

OpenDoor Venture CapitalRainfall Ventures

Show as a table
Entry stages of OpenDoor Venture Capital and Rainfall Ventures, share of entries
OpenDoor Venture CapitalRainfall Ventures
Pre-seed0%0%
Seed0%50%
Series A0%0%
Series B0%50%
Growth0%0%

Themes

share of checked companies
AI & Machine Learning22%12%
Fintech11%19%
Enterprise Software17%9%
Cybersecurity11%0%
Media & Entertainment11%6%
E-commerce & Marketplaces6%9%

OpenDoor Venture CapitalRainfall Ventures

Show as a table
Themes of OpenDoor Venture Capital and Rainfall Ventures, share of checked companies
OpenDoor Venture CapitalRainfall Ventures
AI & Machine Learning22%12%
Fintech11%19%
Enterprise Software17%9%
Cybersecurity11%0%
Media & Entertainment11%6%
E-commerce & Marketplaces6%9%

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 OpenDoor Venture Capital and Rainfall 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/opendoorvc.com/portfolio

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