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Investors / Arrington Capital / Compare with Red Building Capital

Arrington Capital vs Red Building Capital

Arrington Capital lists 97 portfolio companies and has joined 5 funding rounds; Red Building Capital lists 23 companies and has joined 0 rounds. Arrington Capital comes in most often at Seed (40% of its entries). 1 company is on both portfolios, among them Cere.

97Portfolio companies23
5Funding rounds joined0
0Rounds led0
3Rounds, last 12 months0
$20M to $100MTypical round it comes in atn/a
0%Sites no longer answering0%
Show as a table
Arrington Capital and Red Building Capital, head to head
Arrington CapitalRed Building Capital
Portfolio companies9723
Funding rounds joined50
Rounds led00
Rounds, last 12 months30
Typical round it comes in at$20M to $100Mn/a
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed0%0%
Seed40%0%
Series A20%0%
Series B20%0%
Growth20%0%

Arrington CapitalRed Building Capital

Show as a table
Entry stages of Arrington Capital and Red Building Capital, share of entries
Arrington CapitalRed Building Capital
Pre-seed0%0%
Seed40%0%
Series A20%0%
Series B20%0%
Growth20%0%

Themes

share of checked companies
Fintech45%34%
AI & Machine Learning16%19%
Crypto & Web314%3%
Cybersecurity6%9%
Media & Entertainment1%9%
Gaming4%6%

Arrington CapitalRed Building Capital

Show as a table
Themes of Arrington Capital and Red Building Capital, share of checked companies
Arrington CapitalRed Building Capital
Fintech45%34%
AI & Machine Learning16%19%
Crypto & Web314%3%
Cybersecurity6%9%
Media & Entertainment1%9%
Gaming4%6%

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 Arrington Capital and Red Building Capital 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/arringtoncapital.com/portfolio

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