/

Investors / United States / Portfolia / Co-investors

Portfolia co-investors

Who invests alongside Portfolia · Venture capital · San Mateo, CA, United States

Portfolia shares at least one checked portfolio company with 391 other investors. It backs companies most often with Astia (7), Springboard (6) and Western Technology Investment (5), and 92% of its 91 checked companies have another investor VCinfo tracks.

391co-investors
84companies backed with another investorof 91 checked
92%of its portfolio is co-backed
Astiamost frequent co-investor7 shared companies

Co-investor network

the 14 firms it shares most with, and the companies they back together
590 shared companies13 shared companies11 shared companies11 shared companies10 shared companies8 shared companies8 shared companies7 shared companies7 shared companies6 shared companies6 shared companies5 shared companies5 shared companies4 shared companies4 shared companies4 shared companies4 shared companies4 shared companies4 shared companies4 shared companies4 shared companies4 shared companies4 shared companies4 shared companiesAstia: 7 shared companiesAstia7Springboard: 6 shared companiesSpringboard6Western Technology Investment: 5 shared companiesWestern Technology In…5Collaborative Fund: 4 shared companiesCollaborative Fund4IndieBio: 4 shared companiesIndieBio4Precursor Ventures: 4 shared companiesPrecursor Ventures4SOSV: 4 shared companiesSOSV4Social Starts: 4 shared companiesSocial Starts4Backstage Capital: 3 shared companiesBackstage Capital3Capital Factory: 3 shared companiesCapital Factory3Mindshift Capital: 3 shared companiesMindshift Capital3Portland Seed Fund: 3 shared companiesPortland Seed Fund3Samsung NEXT: 3 shared companiesSamsung NEXT3StartX: 3 shared companiesStartX3
Shared portfolio companies with PortfoliaFirms that also back companies together

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

All co-investors

top 60 of 391, ranked by shared portfolio companies
#InvestorSharedCompanies both back
1AstiaVenture capital · United States7Compare · Its co-investors
2SpringboardAccelerator · United States6Compare · Its co-investors
3Western Technology Investmentwesterntech.com5Compare · Its co-investors
4Collaborative FundVenture capital · United States4Compare · Its co-investors
5IndieBioAccelerator · United States4Compare · Its co-investors
6Precursor VenturesVenture capital · United States4Compare · Its co-investors
7Social StartsVenture capital · United States4Compare · Its co-investors
8SOSVVenture capital · United States4Compare · Its co-investors
9Backstage CapitalVenture capital · United States3Compare · Its co-investors
10Capital FactoryVenture capital · United States3Compare · Its co-investors
11Mindshift CapitalVenture capital · United Arab Emirates3Compare · Its co-investors
12Portland Seed FundVenture capital · United States3Compare · Its co-investors
13Samsung NEXTCorporate VC · United States3Compare · Its co-investors
14StartXAccelerator3Compare · Its co-investors
15Ulu VenturesVenture capital · United States3Compare · Its co-investors
16XFactor VenturesVenture capital · United States3Compare · Its co-investors
17Y CombinatorAccelerator · United States3Compare · Its co-investors
182045 VenturesVenture capital · United States2Compare · Its co-investors
19Amboy Street VenturesVenture capital · United States2Compare · Its co-investors
20Amplifica CapitalVenture capital2Compare · Its co-investors
21Avesta FundVenture capital2Compare · Its co-investors
22Avestria VenturesVenture capital · United States2Compare · Its co-investors
23Black JaysVenture capital2Compare · Its co-investors
24Capita3Venture capital · United States2Compare · Its co-investors
25Civilization VenturesVenture capital · United States2Compare · Its co-investors
26Cleveland AvenueVenture capital · United States2Compare · Its co-investors
27Comcast VenturesCorporate VC · United States2Compare · Its co-investors
28Composite VenturesVenture capital2Compare · Its co-investors
29Correlation VenturesVenture capital · United States2Compare · Its co-investors
30Doon CapitalUnited States2Compare · Its co-investors
31Elemental ImpactUnited States2Compare · Its co-investors
32Elevate CapitalVenture capital · United States2Compare · Its co-investors
33Elysian Park VenturesVenture capital · United States2Compare · Its co-investors
34Emmeline VenturesVenture capital · United States2Compare · Its co-investors
35Entrepreneurs Roundtable AcceleratorAccelerator · United States2Compare · Its co-investors
36Evolution VC PartnersVenture capital · United States2Compare · Its co-investors
37Farvatn VentureVenture capital · Norway2Compare · Its co-investors
38Female Founders FundVenture capital · United States2Compare · Its co-investors
39FlybridgeVenture capital · United States2Compare · Its co-investors
40Foreground CapitalVenture capital · United States2Compare · Its co-investors
41Future VenturesVenture capital · United States2Compare · Its co-investors
42General CatalystVenture capital · United States2Compare · Its co-investors
43GingerBread CapitalVenture capital2Compare · Its co-investors
44Good Growth CapitalVenture capital · United States2Compare · Its co-investors
45Great Oaks Venture CapitalVenture capital · United States2Compare · Its co-investors
46Harmonix FundVenture capital · United States2Compare · Its co-investors
47How Women InvestVenture capital · United States2Compare · Its co-investors
48Human VenturesVenture capital · United States2Compare · Its co-investors
49JuniperVenture capital2Compare · Its co-investors
50L'ATTITUDE VenturesVenture capital · United States2Compare · Its co-investors
51LaunchCapitalVenture capital · United States2Compare · Its co-investors
52Lux CapitalVenture capital · United States2Compare · Its co-investors
53MaC Venture CapitalVenture capital · United States2Compare · Its co-investors
54Mighty CapitalVenture capital · United States2Compare · Its co-investors
55Mission One CapitalVenture capital2Compare · Its co-investors
56NEAVenture capital · United States2Compare · Its co-investors
57Noetic FundVenture capital · Canada2Compare · Its co-investors
58R/GA VenturesCorporate VC · United States2Compare · Its co-investors
59Rainmakingrainmaking.io2Compare · Its co-investors
60RareBreed VenturesVenture capital · United States2Compare · Its co-investors
Showing the top 60 of 391. GET /v1/firms/portfolia.co/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 Portfolia'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 Portfolia's co-investors as data

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

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