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Investors / Mainsail Partners / Co-investors

Mainsail Partners co-investors

Who invests alongside Mainsail Partners · Venture capital

Mainsail Partners shares at least one checked portfolio company with 28 other investors. It backs companies most often with ATDC (1), Battery Ventures (1) and Bessemer Venture Partners (1), and 15% of its 40 checked companies have another investor VCinfo tracks.

28co-investors
6companies backed with another investorof 40 checked
15%of its portfolio is co-backed
ATDCmost frequent co-investor1 shared company

Co-investor network

the 14 firms it shares most with, and the companies they back together
16 shared companies14 shared companies10 shared companies4 shared companies4 shared companies4 shared companies2 shared companies2 shared companies2 shared companies2 shared companies2 shared companies2 shared companiesATDC: 1 shared companiesATDC1BITKRAFT Ventures: 1 shared companiesBITKRAFT Ventures1Battery Ventures: 1 shared companiesBattery Ventures1Bessemer Venture Partners: 1 shared companiesBessemer Venture Part…1C2 Ventures: 1 shared companiesC2 Ventures1Causeway Media Partners: 1 shared companiesCauseway Media Partne…1Circadian Ventures: 1 shared companiesCircadian Ventures1Elysian Park Ventures: 1 shared companiesElysian Park Ventures1Fifth Wall: 1 shared companiesFifth Wall1Founders Circle Capital: 1 shared companiesFounders Circle Capit…1Goal Ventures: 1 shared companiesGoal Ventures1HIRO Capital: 1 shared companiesHIRO Capital1Hartmann Capital: 1 shared companiesHartmann Capital1Innovius Capital: 1 shared companiesInnovius Capital1
Shared portfolio companies with Mainsail PartnersFirms that also back companies together

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

All co-investors

ranked by shared portfolio companies
#InvestorSharedCompanies both back
1ATDCAccelerator · United States1Compare · Its co-investors
2Battery VenturesVenture capital · United States1Compare · Its co-investors
3Bessemer Venture PartnersVenture capital · United States1Compare · Its co-investors
4BITKRAFT VenturesVenture capital · United States1Compare · Its co-investors
5C2 VenturesVenture capital1Compare · Its co-investors
6Causeway Media PartnersVenture capital · United States1Compare · Its co-investors
7Circadian VenturesVenture capital · United States1Compare · Its co-investors
8Elysian Park VenturesVenture capital · United States1Compare · Its co-investors
9Fifth WallVenture capital · United States1Compare · Its co-investors
10Founders Circle CapitalVenture capital · United States1Compare · Its co-investors
11Goal VenturesVenture capital1Compare · Its co-investors
12Hartmann CapitalVenture capital1Compare · Its co-investors
13HIRO CapitalVenture capital · United Kingdom1Compare · Its co-investors
14Innovius CapitalVenture capital1Compare · Its co-investors
15K5 GlobalVenture capital · United States1Compare · Its co-investors
16Lancaster InvestmentsVenture capital · United States1Compare · Its co-investors
17Mucker CapitalVenture capital · United States1Compare · Its co-investors
18Next Legacy PartnersVenture capital · United States1Compare · Its co-investors
19Olive Tree CapitalVenture capital1Compare · Its co-investors
20Phoenix Capital VenturesVenture capital1Compare · Its co-investors
21Phoenix Venture PartnersVenture capital · United States1Compare · Its co-investors
22Samsung NEXTCorporate VC · United States1Compare · Its co-investors
23SeedcampVenture capital · United Kingdom1Compare · Its co-investors
24Sony Innovation FundCorporate VC · India1Compare · Its co-investors
25Stage 2 CapitalVenture capital · United States1Compare · Its co-investors
26TechstarsAccelerator · United States1Compare · Its co-investors
27TIA VenturesVenture capital · United States1Compare · Its co-investors
28Western Technology Investmentwesterntech.com1Compare · Its co-investors
Take this list with you. GET /v1/firms/mainsailpartners.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 Mainsail Partners' 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/mainsailpartners.com/coinvestors

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