/

Investors / United States / Social Starts / Co-investors

Social Starts co-investors

Who invests alongside Social Starts · Venture capital · San Francisco, CA, United States

Social Starts shares at least one checked portfolio company with 420 other investors. It backs companies most often with Joyance Partners (23), Techstars (12) and Y Combinator (9), and 86% of its 137 checked companies have another investor VCinfo tracks.

420co-investors
118companies backed with another investorof 137 checked
86%of its portfolio is co-backed
Joyance Partnersmost frequent co-investor23 shared companies

Co-investor network

the 14 firms it shares most with, and the companies they back together
590 shared companies53 shared companies47 shared companies41 shared companies41 shared companies40 shared companies22 shared companies15 shared companies12 shared companies11 shared companies9 shared companies9 shared companies7 shared companies7 shared companies7 shared companies6 shared companies6 shared companies6 shared companies6 shared companies5 shared companies5 shared companies5 shared companies4 shared companies4 shared companiesJoyance Partners: 23 shared companiesJoyance Partners23Techstars: 12 shared companiesTechstars12Y Combinator: 9 shared companiesY Combinator9UpHonest Capital: 5 shared companiesUpHonest Capital5Creative Destruction Lab: 4 shared companiesCreative Destruction …4Expansion Venture Capital: 4 shared companiesExpansion Venture Cap…4IndieBio: 4 shared companiesIndieBio4Portfolia: 4 shared companiesPortfolia4SOSV: 4 shared companiesSOSV4Bullpen Capital: 3 shared companiesBullpen Capital3Capital Factory: 3 shared companiesCapital Factory3Mucker Capital: 3 shared companiesMucker Capital3R/GA Ventures: 3 shared companiesR/GA Ventures3Visionnaire Ventures: 3 shared companiesVisionnaire Ventures3
Shared portfolio companies with Social StartsFirms that also back companies together

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

All co-investors

top 60 of 420, ranked by shared portfolio companies
#InvestorSharedCompanies both back
1Joyance PartnersVenture capital23Compare · Its co-investors
2TechstarsAccelerator · United States12Compare · Its co-investors
3Y CombinatorAccelerator · United States9Compare · Its co-investors
4UpHonest CapitalVenture capital · United States5Compare · Its co-investors
5Creative Destruction LabAccelerator · Canada4Compare · Its co-investors
6Expansion Venture CapitalVenture capital · United States4Compare · Its co-investors
7IndieBioAccelerator · United States4Compare · Its co-investors
8PortfoliaVenture capital · United States4Compare · Its co-investors
9SOSVVenture capital · United States4Compare · Its co-investors
10Bullpen CapitalVenture capital · United States3Compare · Its co-investors
11Capital FactoryVenture capital · United States3Compare · Its co-investors
12focalVenture capital3Compare · Its co-investors
13Mucker CapitalVenture capital · United States3Compare · Its co-investors
14R/GA VenturesCorporate VC · United States3Compare · Its co-investors
15Visionnaire VenturesVenture capital · United States3Compare · Its co-investors
16WI Harper GroupVenture capital · United States3Compare · Its co-investors
17645 VenturesVenture capital · United States2Compare · Its co-investors
18Alpha EdisonVenture capital · United States2Compare · Its co-investors
19AstiaVenture capital · United States2Compare · Its co-investors
20Better VenturesVenture capital · United States2Compare · Its co-investors
21Clocktower VenturesVenture capital2Compare · Its co-investors
22Colle CapitalVenture capital · United States2Compare · Its co-investors
23Comcast VenturesCorporate VC · United States2Compare · Its co-investors
24Correlation VenturesVenture capital · United States2Compare · Its co-investors
25DG Daiwa VenturesVenture capital · Japan2Compare · Its co-investors
26Dorm Room FundVenture capital · United States2Compare · Its co-investors
27Draper AssociatesVenture capital · United States2Compare · Its co-investors
28FelicisVenture capital · United States2Compare · Its co-investors
29Fifty YearsVenture capital · United States2Compare · Its co-investors
30Forefront Venture PartnersVenture capital2Compare · Its co-investors
31FreestyleVenture capital · United States2Compare · Its co-investors
32FrontlineVenture capital · United Kingdom2Compare · Its co-investors
33FundersClubVenture capital · United States2Compare · Its co-investors
34Fusion FundVenture capital · United States2Compare · Its co-investors
35Geekdom FundVenture capital · United States2Compare · Its co-investors
36Harmonix FundVenture capital · United States2Compare · Its co-investors
37HearstLabCorporate VC · United States2Compare · Its co-investors
38Koa LabsVenture capital2Compare · Its co-investors
39LaconiaVenture capital · United States2Compare · Its co-investors
40LearnStartVenture capital2Compare · Its co-investors
41LightbankUnited States2Compare · Its co-investors
42Magic HourVenture capital · United States2Compare · Its co-investors
43Motivate Venture CapitalVenture capital · United States2Compare · Its co-investors
44Next Coast VenturesVenture capital · United States2Compare · Its co-investors
45NextGen Venture PartnersVenture capital · United States2Compare · Its co-investors
46PLUS CapitalVenture capital · United States2Compare · Its co-investors
47Portland Seed FundVenture capital · United States2Compare · Its co-investors
48ReshapeVenture capital · United States2Compare · Its co-investors
49Resolute VenturesVenture capital · United States2Compare · Its co-investors
50Riverside Acceleration CapitalVenture capital · United States2Compare · Its co-investors
51Scout VenturesVenture capital · United States2Compare · Its co-investors
52SGH CapitalVenture capital · Luxembourg2Compare · Its co-investors
53Silverton PartnersVenture capital · United States2Compare · Its co-investors
54Soma CapitalVenture capital · United States2Compare · Its co-investors
55Sony Innovation FundCorporate VC · India2Compare · Its co-investors
56SpringboardAccelerator · United States2Compare · Its co-investors
57StartXAccelerator2Compare · Its co-investors
58Symmetrical VenturesVenture capital2Compare · Its co-investors
59Third Act VenturesVenture capital2Compare · Its co-investors
60TRACVenture capital · United States2Compare · Its co-investors
Showing the top 60 of 420. GET /v1/firms/socialstarts.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 Social Starts' 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 Social Starts' co-investors as data

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

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