/
Log inGet free API keyAccount
Menu
InvestorsCompaniesFit CheckerDocsPricingGet free API key

Investors / United States / Photon Fund / Co-investors

Photon Fund co-investors

Who invests alongside Photon Fund · Venture capital · Los Altos, CA, United States

Photon Fund shares at least one checked portfolio company with 19 other investors. It backs companies most often with Berkeley Catalyst Fund (4), Foothill Ventures (2) and Antler (1), and 80% of its 10 checked companies have another investor VCinfo tracks.

Photon Fund's full profileCompare with Berkeley Catalyst FundGET /v1/firms/photonfund.vc/coinvestors
19co-investors
8companies backed with another investorof 10 checked
80%of its portfolio is co-backed
Berkeley Catalyst Fundmost frequent co-investor4 shared companies

Co-investor network

the 14 firms it shares most with, and the companies they back together
4 shared companies3 shared companies3 shared companies2 shared companies2 shared companiesBerkeley Catalyst Fund: 4 shared companiesBerkeley Catalyst Fund4Foothill Ventures: 2 shared companiesFoothill Ventures2Antler: 1 shared companiesAntler1Boardman Bay Capital Management: 1 shared companiesBoardman Bay Capital …1Darwin Ventures: 1 shared companiesDarwin Ventures1ExSight Ventures: 1 shared companiesExSight Ventures1First Spark Ventures: 1 shared companiesFirst Spark Ventures1Grid Exponential: 1 shared companiesGrid Exponential1Harbinger Ventures: 1 shared companiesHarbinger Ventures1Harmonix Fund: 1 shared companiesHarmonix Fund1Prime Movers Lab: 1 shared companiesPrime Movers Lab1SAIC Capital: 1 shared companiesSAIC Capital1SIG Venture Capital: 1 shared companiesSIG Venture Capital1Safar Partners: 1 shared companiesSafar Partners1
Shared portfolio companies with Photon FundFirms that also back companies together

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

All co-investors

ranked by shared portfolio companies
#InvestorSharedCompanies both back
1Berkeley Catalyst FundVenture capital4
NelumboNewomicsAmplicore+1 more
Compare · Its co-investors
2Foothill VenturesVenture capital · United States2
AvotresTetramem
Compare · Its co-investors
3AntlerVenture capital · Saudi Arabia1
Caspr.
Compare · Its co-investors
4Boardman Bay Capital ManagementUnited States1
xMEMS Labs, Inc.
Compare · Its co-investors
5Darwin VenturesVenture capital · Taiwan1
Nelumbo
Compare · Its co-investors
6ExSight VenturesVenture capital1
Valitor
Compare · Its co-investors
7First Spark VenturesVenture capital · United States1
Valitor
Compare · Its co-investors
8Grid ExponentialVenture capital · Argentina1
Caspr.
Compare · Its co-investors
9Harbinger VenturesVenture capital · United States1
xMEMS Labs, Inc.
Compare · Its co-investors
10Harmonix FundVenture capital · United States1
Nelumbo
Compare · Its co-investors
11Prime Movers LabVenture capital1
Nelumbo
Compare · Its co-investors
12Safar PartnersVenture capital · United States1
Nelumbo
Compare · Its co-investors
13SAIC CapitalCorporate VC · United States1
Tetramem
Compare · Its co-investors
14SIG Venture CapitalCorporate VC1
xMEMS Labs, Inc.
Compare · Its co-investors
15Taihill VentureVenture capital · United States1
Valitor
Compare · Its co-investors
16Techlink VenturesVenture capital · United States1
xMEMS Labs, Inc.
Compare · Its co-investors
17Transit Tech LabAccelerator · United States1
Caspr.
Compare · Its co-investors
18UPC Capital VenturesCorporate VC · United States1
Nelumbo
Compare · Its co-investors
19UTEC - The University of Tokyo Edge Capital PartnersVenture capital · Japan1
Nelumbo
Compare · Its co-investors
Take this list with you. GET /v1/firms/photonfund.vc/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 Photon Fund'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 Photon Fund's co-investors as data

Pull this ranked list, Photon Fund's portfolio and any firm's profile through one API key or MCP, compare portfolios side by side, and get an email when Photon Fund adds a company.

Work email, sign-in link by email. Already have an account? Log in
Your API keyRead the docs
  • 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/photonfund.vc/coinvestors

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