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Investors / 1kx / Compare with Rubik VC

1kx vs Rubik VC

1kx lists 74 portfolio companies and has joined 15 funding rounds; Rubik VC lists 18 companies and has joined 1 round. 1kx comes in most often at Seed (50% of its entries), Rubik VC comes in most often at Seed (100% of its entries). 1 company is on both portfolios, among them Sandbox.

74Portfolio companies18
15Funding rounds joined1
7Rounds led0
6Rounds, last 12 months1
$5M to $20MTypical round it comes in at$5M to $20M
0%Sites no longer answering0%
Show as a table
1kx and Rubik VC, head to head
1kxRubik VC
Portfolio companies7418
Funding rounds joined151
Rounds led70
Rounds, last 12 months61
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%
Seed50%100%
Series A29%0%
Series B14%0%
Growth7%0%

1kxRubik VC

Show as a table
Entry stages of 1kx and Rubik VC, share of entries
1kxRubik VC
Pre-seed0%0%
Seed50%100%
Series A29%0%
Series B14%0%
Growth7%0%

Themes

share of checked companies
Fintech34%39%
AI & Machine Learning6%16%
Crypto & Web315%7%
Cybersecurity9%10%
Enterprise Software10%7%
Gaming6%7%

1kxRubik VC

Show as a table
Themes of 1kx and Rubik VC, share of checked companies
1kxRubik VC
Fintech34%39%
AI & Machine Learning6%16%
Crypto & Web315%7%
Cybersecurity9%10%
Enterprise Software10%7%
Gaming6%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 1kx and Rubik VC 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/1kx.capital/portfolio

# also
GET /v1/firms/rubikvc.com/portfolio
GET /v1/firms/1kx.capital/coinvestors
The same data as an MCP server for Claude, Cursor and other AI tools. Set up MCP · Docs · Pricing