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Investors / United States / Positive Sum / Co-investors

Positive Sum co-investors

Who invests alongside Positive Sum · Venture capital · CT, United States

Positive Sum shares at least one checked portfolio company with 243 other investors. It backs companies most often with Kleiner Perkins (6), Sequoia Capital (6) and Anti Fund (5), and 93% of its 29 checked companies have another investor VCinfo tracks.

243co-investors
27companies backed with another investorof 29 checked
93%of its portfolio is co-backed
Kleiner Perkinsmost frequent co-investor6 shared companies

Co-investor network

the 14 firms it shares most with, and the companies they back together
373 shared companies103 shared companies84 shared companies61 shared companies56 shared companies49 shared companies44 shared companies42 shared companies36 shared companies33 shared companies29 shared companies29 shared companies28 shared companies26 shared companies24 shared companies24 shared companies23 shared companies23 shared companies23 shared companies22 shared companies22 shared companies22 shared companies22 shared companies20 shared companiesKleiner Perkins: 6 shared companiesKleiner Perkins6Sequoia Capital: 6 shared companiesSequoia Capital6Anti Fund: 5 shared companiesAnti Fund5General Catalyst: 5 shared companiesGeneral Catalyst5Khosla Ventures: 5 shared companiesKhosla Ventures5Ribbit: 5 shared companiesRibbit5Valor Siren Ventures: 5 shared companiesValor Siren Ventures5Y Combinator: 5 shared companiesY Combinator5137 Ventures: 4 shared companies137 Ventures4Abstract: 4 shared companiesAbstract4Andreessen Horowitz: 4 shared companiesAndreessen Horowitz4Bain Capital Ventures: 4 shared companiesBain Capital Ventures4Lux Capital: 4 shared companiesLux Capital4Soma Capital: 4 shared companiesSoma Capital4
Shared portfolio companies with Positive SumFirms that also back companies together

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

All co-investors

top 60 of 243, ranked by shared portfolio companies
#InvestorSharedCompanies both back
1Kleiner PerkinsVenture capital · United States6Compare · Its co-investors
2Sequoia CapitalVenture capital · United States6Compare · Its co-investors
3Anti FundVenture capital · United States5Compare · Its co-investors
4General CatalystVenture capital · United States5Compare · Its co-investors
5Khosla VenturesVenture capital · United States5Compare · Its co-investors
6RibbitVenture capital · United States5Compare · Its co-investors
7Valor Siren VenturesVenture capital · United States5Compare · Its co-investors
8Y CombinatorAccelerator · United States5Compare · Its co-investors
9137 VenturesVenture capital · United States4Compare · Its co-investors
10AbstractVenture capital · United States4Compare · Its co-investors
11Andreessen HorowitzVenture capital · United States4Compare · Its co-investors
12Bain Capital VenturesVenture capital · United States4Compare · Its co-investors
13Lux CapitalVenture capital · United States4Compare · Its co-investors
14Soma CapitalVenture capital · United States4Compare · Its co-investors
15AccelVenture capital · United States3Compare · Its co-investors
16AvenirVenture capital · United States3Compare · Its co-investors
17BoxGroupVenture capital · United States3Compare · Its co-investors
18Founders FundVenture capital · United States3Compare · Its co-investors
19Lightspeed Venture PartnersVenture capital · United States3Compare · Its co-investors
20Alkeon CapitalVenture capital2Compare · Its co-investors
21AltimeterVenture capital · United States2Compare · Its co-investors
22Bessemer Venture PartnersVenture capital · United States2Compare · Its co-investors
23CapitalGCorporate VC · United States2Compare · Its co-investors
24CapitalXVenture capital2Compare · Its co-investors
25Conversion CapitalVenture capital · United States2Compare · Its co-investors
26Craft VenturesVenture capital · United States2Compare · Its co-investors
27DataPower VenturesVenture capital2Compare · Its co-investors
28EclipseVenture capital · United States2Compare · Its co-investors
29Firestreak VenturesVenture capital · United States2Compare · Its co-investors
30GreylockVenture capital · United States2Compare · Its co-investors
31HOF CapitalVenture capital · United States2Compare · Its co-investors
32HummingbirdVenture capital · Belgium2Compare · Its co-investors
33Index VenturesVenture capital · United States2Compare · Its co-investors
34J.P. Morgan Growth Equity PartnersCorporate VC · United States2Compare · Its co-investors
35K5 GlobalVenture capital · United States2Compare · Its co-investors
36Lowercarbon CapitalVenture capital · United States2Compare · Its co-investors
37Octant VenturesVenture capital2Compare · Its co-investors
38Opera Tech VenturesCorporate VC · France2Compare · Its co-investors
39Partners ResoluteVenture capital2Compare · Its co-investors
40Samsung NEXTCorporate VC · United States2Compare · Its co-investors
41StripesVenture capital · United States2Compare · Its co-investors
42Tiger Global ManagementVenture capital · United States2Compare · Its co-investors
43Transpose PlatformVenture capital2Compare · Its co-investors
44Trust FundVenture capital2Compare · Its co-investors
45Vast VenturesVenture capital · United States2Compare · Its co-investors
461809 CapitalVenture capital · United States1Compare · Its co-investors
478VCVenture capital · United States1Compare · Its co-investors
48A.Capital VenturesVenture capital · United States1Compare · Its co-investors
49A-Star PartnersVenture capital · United States1Compare · Its co-investors
50a16z FrontierVenture capital · United States1Compare · Its co-investors
51AAL VCVenture capital · Canada1Compare · Its co-investors
52Abstraction CapitalVenture capital · United States1Compare · Its co-investors
53Acequia CapitalVenture capital · United States1Compare · Its co-investors
54ACME CapitalVenture capital · United States1Compare · Its co-investors
55Acrew CapitalVenture capital · United States1Compare · Its co-investors
56AdditionVenture capital · United States1Compare · Its co-investors
57Advance Venture PartnersVenture capital1Compare · Its co-investors
58AI GrantAccelerator1Compare · Its co-investors
59Align VenturesVenture capital · United States1Compare · Its co-investors
60AlleyCorpVenture capital · United States1Compare · Its co-investors
Showing the top 60 of 243. GET /v1/firms/positivesum.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.
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A co-investor is a firm whose own portfolio page lists a company that Positive Sum'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

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VCinfo API
$ curl -H "X-API-Key: YOUR_KEY" \
  https://api.vcinfo.io/v1/firms/positivesum.com/coinvestors

# also
GET /v1/firms/positivesum.com
GET /v1/firms/positivesum.com/portfolio
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