kx is a venture capital firm. Team members are concentrated in San Francisco, California, United States. Among the 3 companies in the known portfolio are Magic, BrainWaveBank and BroadBridge Networks.
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Investment focus
Contacts
Who to pitch at kx
kx portfolio companies (3)
- Magic
- BrainWaveBank
- BroadBridge Networks
Co-investors
Funds that share portfolio companies with kx.
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About kx
The firm's known deals cluster at Pre-Seed, Seed and Series B.
Usama Fayyad (Member Board of Directors (NED)) and Cam Mullen (Investor) are listed as the contacts to pitch at kx.
kx shares portfolio companies with one other investment firm, Floodgate.
Frequently asked questions
What is kx?
kx is a venture capital firm whose team is concentrated in San Francisco, California, United States, with a known portfolio of 3 companies. The portfolio comes from public investment records rather than from the firm, so deals that never surfaced publicly are not in it.
What stage does kx invest at?
The known deals of kx include Pre-Seed, Seed and Series B rounds. Check that against your own round before reaching out: stage mismatch is the most common reason a well matched sector still goes nowhere.
Who should I pitch at kx?
Both people on file at kx are listed as contacts for the firm, each with their own profile page.
How do I contact kx?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The 2 people attached to the firm have their own pages, each showing whether an address is on file for them.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal