/

Investors / United States / SID FUND / Co-investors

SID FUND co-investors

Who invests alongside SID FUND · Venture capital · Austin, TX, United States

SID FUND shares at least one checked portfolio company with 12 other investors. It backs companies most often with 53 Stations (1), 8VC (1) and Bain Capital Ventures (1), and 20% of its 5 checked companies have another investor VCinfo tracks.

12co-investors
1companies backed with another investorof 5 checked
20%of its portfolio is co-backed
53 Stationsmost frequent co-investor1 shared company

Co-investor network

the 12 firms it shares most with, and the companies they back together
6 shared companies5 shared companies5 shared companies3 shared companies3 shared companies3 shared companies3 shared companies3 shared companies3 shared companies2 shared companies2 shared companies2 shared companies2 shared companies2 shared companies2 shared companies2 shared companies2 shared companies2 shared companies53 Stations: 1 shared companies53 Stations18VC: 1 shared companies8VC1Bain Capital Ventures: 1 shared companiesBain Capital Ventures1Behind Genius Ventures: 1 shared companiesBehind Genius Ventures1Founders, Inc.: 1 shared companiesFounders, Inc.1Liquid 2 Ventures: 1 shared companiesLiquid 2 Ventures1Outsiders Fund: 1 shared companiesOutsiders Fund1Picks and Shovels: 1 shared companiesPicks and Shovels1Preston-Werner Ventures: 1 shared companiesPreston-Werner Ventur…1Qudit: 1 shared companiesQudit1Startmate: 1 shared companiesStartmate1Uncork Capital: 1 shared companiesUncork Capital1
Shared portfolio companies with SID FUNDFirms that also back companies together

Circle size is the number of companies shared with SID FUND; a line joins two co-investors that back at least two companies together.

All co-investors

ranked by shared portfolio companies
Take this list with you. GET /v1/firms/sidfund.com/coinvestors returns the ranked list as JSON for a CRM, a sheet or an AI agent: 25 firms a call on the free plan, 100 on Pro.
Get free API keyAPI docs

A co-investor is a firm whose own portfolio page lists a company that SID FUND's page lists too, both checked against the company's site. It shows who backs the same companies, not who joined the same round. How the data is graded

Free account · no card

Get SID FUND's co-investors as data

Pull this ranked list, SID FUND's portfolio and any firm's profile through one API key or MCP, compare portfolios side by side, and get an email when SID FUND 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/sidfund.com/coinvestors

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