California

CapitalX

CapitalX, based in California, backs Pre-Seed and Seed startups, generally following other investors, with notable investments in Mercury and Rippling.

Entry stagePre-seed, Seed
Check sizen/a
Leads roundsMostly follows
FocusGeneralist
Latest fundn/a
Investing team1 peopleNo activity since Sep

Who you would pitch at CapitalX

1 person on the investing team, 1 of them partners who can make the call. Partners are listed first.

Work here and something is wrong? Ask for a correction.

Check size not reported yet.

Bars: how many firms in the atlas report each band. Highlighted: this firm.

No recent activity since September 2026. Quiet does not mean closed.

Weekly count of activity updates. Activity is not a confirmed deal.

Notable investments

MercuryRipplingRetoolFlutterwaveOwner.comCart.comTuring

In their words

CapitalX‘Super Angel’ GP Cindy Bi Launches CapitalX with Global LP Base after seeding 3 unicorns, 6 startups with $500M+ valuations, 10 startups with $250M+ valuations, 3 startupcapitalx.company
Founders and investors at a Mode VC gathering

Send Mode VC your deck

Raising a pre-seed or seed round? We write $1M to $5M first checks and help founders with distribution. A partner reads every deck.

Send your deck

Alert me when CapitalX is active

One email when this firm shows new activity. Nothing else.

On these lists

Questions

What stage does CapitalX invest in?

CapitalX reports entry at pre-seed, seed.

How much does CapitalX invest?

CapitalX has not reported a check size.

Does CapitalX lead rounds?

CapitalX mostly follows other investors.

Who are the partners at CapitalX?

Cindy Bi (General Partner).

Is CapitalX active right now?

No recent activity since September 2026.

Work at CapitalX? Claim or correct this profile.