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Investors / United States / InterWest Partners / Co-investors

InterWest Partners co-investors

Who invests alongside InterWest Partners · Venture capital · San Francisco, CA, United States

InterWest Partners shares at least one checked portfolio company with 32 other investors. It backs companies most often with AdFirst.vc (1), Airtree (1) and Alkeon Capital (1), and 100% of its 1 checked company have another investor VCinfo tracks.

32co-investors
1companies backed with another investorof 1 checked
100%of its portfolio is co-backed
AdFirst.vcmost frequent co-investor1 shared company

Co-investor network

the 14 firms it shares most with, and the companies they back together
18 shared companies14 shared companies14 shared companies14 shared companies13 shared companies13 shared companies13 shared companies11 shared companies9 shared companies8 shared companies7 shared companies7 shared companies7 shared companies6 shared companies6 shared companies6 shared companies6 shared companies6 shared companies6 shared companies6 shared companies6 shared companies5 shared companies5 shared companies4 shared companiesAdFirst.vc: 1 shared companiesAdFirst.vc1Airtree: 1 shared companiesAirtree1Alkeon Capital: 1 shared companiesAlkeon Capital1Altra Venture Partners: 1 shared companiesAltra Venture Partners1Athletic Ventures: 1 shared companiesAthletic Ventures1BAM Elevate: 1 shared companiesBAM Elevate1Bessemer Venture Partners: 1 shared companiesBessemer Venture Part…1Blackbird: 1 shared companiesBlackbird1CapitalG: 1 shared companiesCapitalG1Coatue: 1 shared companiesCoatue1FPV: 1 shared companiesFPV1Felicis: 1 shared companiesFelicis1Five V Capital: 1 shared companiesFive V Capital1General Catalyst: 1 shared companiesGeneral Catalyst1
Shared portfolio companies with InterWest PartnersFirms that also back companies together

Circle size is the number of companies shared with InterWest 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
1AdFirst.vcVenture capital1Compare · Its co-investors
2AirtreeVenture capital · Australia1Compare · Its co-investors
3Alkeon CapitalVenture capital1Compare · Its co-investors
4Altra Venture PartnersVenture capital · United States1Compare · Its co-investors
5Athletic VenturesVenture capital · Australia1Compare · Its co-investors
6BAM ElevateCorporate VC · United States1Compare · Its co-investors
7Bessemer Venture PartnersVenture capital · United States1Compare · Its co-investors
8BlackbirdVenture capital · Australia1Compare · Its co-investors
9CapitalGCorporate VC · United States1Compare · Its co-investors
10CoatueVenture capital · United States1Compare · Its co-investors
11FelicisVenture capital · United States1Compare · Its co-investors
12Five V CapitalVenture capital · Australia1Compare · Its co-investors
13FPVVenture capital · United States1Compare · Its co-investors
14General CatalystVenture capital · United States1Compare · Its co-investors
15HSGVenture capital · Hong Kong1Compare · Its co-investors
16InvestibleVenture capital · Australia1Compare · Its co-investors
17Irregular ExpressionsVenture capital1Compare · Its co-investors
18K5 GlobalVenture capital · United States1Compare · Its co-investors
19March CapitalVenture capital · United States1Compare · Its co-investors
20MatrixVenture capital · United States1Compare · Its co-investors
21MVCVenture capital1Compare · Its co-investors
22Neostellar Capital Corp.Venture capital · United States1Compare · Its co-investors
23Perpetual VenturesVenture capital · United States1Compare · Its co-investors
24Premji InvestVenture capital1Compare · Its co-investors
25Repeat VenturesVenture capital · United Kingdom1Compare · Its co-investors
26Rogue Insight CapitalVenture capital · Canada1Compare · Its co-investors
27Sangha CapitalVenture capital1Compare · Its co-investors
28ShaktiVenture capital · United States1Compare · Its co-investors
29SpringboardAccelerator · United States1Compare · Its co-investors
30Square PegVenture capital · Australia1Compare · Its co-investors
31VentioneersVenture capital · United States1Compare · Its co-investors
32World Innovation LabVenture capital · United States1Compare · Its co-investors
Take this list with you. GET /v1/firms/interwest.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 InterWest 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/interwest.com/coinvestors

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