/

Investors / United Kingdom / JamJar Investments / Co-investors

JamJar Investments co-investors

Who invests alongside JamJar Investments · Venture capital · London, United Kingdom

JamJar Investments shares at least one checked portfolio company with 140 other investors. It backs companies most often with Octopus Ventures (7), Active Partners (6) and V3 Ventures (5), and 75% of its 75 checked companies have another investor VCinfo tracks.

140co-investors
56companies backed with another investorof 75 checked
75%of its portfolio is co-backed
Octopus Venturesmost frequent co-investor7 shared companies

Co-investor network

the 14 firms it shares most with, and the companies they back together
13 shared companies8 shared companies5 shared companies5 shared companies3 shared companies2 shared companies2 shared companies2 shared companies2 shared companies2 shared companies2 shared companies2 shared companies2 shared companies2 shared companiesOctopus Ventures: 7 shared companiesOctopus Ventures7Active Partners: 6 shared companiesActive Partners6V3 Ventures: 5 shared companiesV3 Ventures5Felix Capital: 4 shared companiesFelix Capital4LocalGlobe: 4 shared companiesLocalGlobe4Samos Investments: 4 shared companiesSamos Investments4Slingshot Ventures: 4 shared companiesSlingshot Ventures4Alter Equity: 2 shared companiesAlter Equity2Athletic Ventures: 2 shared companiesAthletic Ventures2Beringea: 2 shared companiesBeringea2Blue Wire Capital: 2 shared companiesBlue Wire Capital2Calm/Storm Ventures: 2 shared companiesCalm/Storm Ventures2Collaborative Fund: 2 shared companiesCollaborative Fund2Creator Fund: 2 shared companiesCreator Fund2
Shared portfolio companies with JamJar InvestmentsFirms that also back companies together

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

All co-investors

top 60 of 140, ranked by shared portfolio companies
#InvestorSharedCompanies both back
1Octopus VenturesVenture capital · United Kingdom7Compare · Its co-investors
2Active PartnersVenture capital · United Kingdom6Compare · Its co-investors
3V3 VenturesVenture capital5Compare · Its co-investors
4Felix CapitalVenture capital · United Kingdom4Compare · Its co-investors
5LocalGlobeVenture capital · United Kingdom4Compare · Its co-investors
6Samos InvestmentsVenture capital4Compare · Its co-investors
7Slingshot VenturesVenture capital · Netherlands4Compare · Its co-investors
8Alter EquityVenture capital · France2Compare · Its co-investors
9Athletic VenturesVenture capital · Australia2Compare · Its co-investors
10BeringeaVenture capital · United Kingdom2Compare · Its co-investors
11Blue Wire CapitalVenture capital · United Kingdom2Compare · Its co-investors
12Calm/Storm VenturesVenture capital2Compare · Its co-investors
13Collaborative FundVenture capital · United States2Compare · Its co-investors
14Creator FundVenture capital2Compare · Its co-investors
15DMG VenturesCorporate VC · United Kingdom2Compare · Its co-investors
16Doehler Venturesdoehler-ventures.com2Compare · Its co-investors
17Exceptional VenturesVenture capital · United Kingdom2Compare · Its co-investors
18FoodLabsVenture capital · Germany2Compare · Its co-investors
19Miroma VenturesCorporate VC · United Kingdom2Compare · Its co-investors
20Molten VenturesVenture capital · United Kingdom2Compare · Its co-investors
21OMERS VenturesCorporate VC · Canada2Compare · Its co-investors
22Oyster Bay Venture CapitalVenture capital2Compare · Its co-investors
23Pembroke VCTVenture capital · United Kingdom2Compare · Its co-investors
24Pentland VenturesCorporate VC2Compare · Its co-investors
25SeedcampVenture capital · United Kingdom2Compare · Its co-investors
26VenrexVenture capital · United Kingdom2Compare · Its co-investors
2724HaymarketVenture capital · United Kingdom1Compare · Its co-investors
287percent VenturesVenture capital · United Kingdom1Compare · Its co-investors
298point8 CapitalUnited Kingdom1Compare · Its co-investors
30A-Force VenturesVenture capital1Compare · Its co-investors
31AccelVenture capital · United States1Compare · Its co-investors
32AirtreeVenture capital · Australia1Compare · Its co-investors
33Al Dhow CapitalVenture capital · Kuwait1Compare · Its co-investors
34AlbionVCVenture capital · United Kingdom1Compare · Its co-investors
35Amboy Street VenturesVenture capital · United States1Compare · Its co-investors
36Amino CollectiveVenture capital · Germany1Compare · Its co-investors
37Angel Capital ManagementItaly1Compare · Its co-investors
38Annox CapitalVenture capital · United States1Compare · Its co-investors
39Anterra CapitalVenture capital · Netherlands1Compare · Its co-investors
40AscensionVenture capital · United Kingdom1Compare · Its co-investors
41AV8 VenturesVenture capital · United States1Compare · Its co-investors
42Balderton CapitalVenture capital · United Kingdom1Compare · Its co-investors
43Brand Capital InternationalCorporate VC · United States1Compare · Its co-investors
44Bray Capitalbraycapital.com1Compare · Its co-investors
45Burda Principal InvestmentsCorporate VC · Germany1Compare · Its co-investors
46CapagroVenture capital · France1Compare · Its co-investors
47CassiusVenture capital · United States1Compare · Its co-investors
48Channel 4 VenturesCorporate VC · United Kingdom1Compare · Its co-investors
49Clever CloverAccelerator1Compare · Its co-investors
50Clocktower VenturesVenture capital1Compare · Its co-investors
51Coefficient CapitalVenture capital · United States1Compare · Its co-investors
52CommerzVenturesCorporate VC · Germany1Compare · Its co-investors
53Connect VenturesVenture capital · United Kingdom1Compare · Its co-investors
54DART VenturesVenture capital · Switzerland1Compare · Its co-investors
55Divergent CapitalVenture capital · United States1Compare · Its co-investors
56DN CapitalVenture capital · United Kingdom1Compare · Its co-investors
57Eka VenturesVenture capital1Compare · Its co-investors
58EmergeVenture capital · United Kingdom1Compare · Its co-investors
59Engine VenturesVenture capital · United States1Compare · Its co-investors
60EnjoyVentureVenture capital · Germany1Compare · Its co-investors
Showing the top 60 of 140. GET /v1/firms/jamjarinvestments.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 JamJar Investments' 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 JamJar Investments' co-investors as data

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

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