California

Factorial Funds

Factorial Funds, based in California, backs deep tech and industrial startups like Anthropic and SpaceX, specializing in these sectors with a lead or follow approach.

Entry stagen/a
Check sizen/a
Leads roundsn/a
FocusDeep tech, Industrial
Latest fundn/a
Investing team6 peopleNo activity since Sep

Who you would pitch at Factorial Funds

6 people on the investing team, 4 of them partners who can make the call. Partners are listed first.

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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.

Before you pitch

How to reach them[email protected]

Notable investments

AnthropicSpaceXAndurilX.AIMistral AIPerplexity AIConfluentElevenLabsPhysical IntelligenceThinking Machines

In their words

Factorial FundsFactorial makes concentrated technology investments. Curiosity compounds™.factorialfunds.com
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 Factorial Funds is active

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

Questions

What stage does Factorial Funds invest in?

Factorial Funds has not reported an entry stage.

How much does Factorial Funds invest?

Factorial Funds has not reported a check size.

Does Factorial Funds lead rounds?

Factorial Funds has not reported a lead preference.

Who are the partners at Factorial Funds?

Sol Bier (Founding Partner), Peter Nelson (Partner), Rory Carmichael (Partner), Ziyaad Khayrattee (Partner).

Is Factorial Funds active right now?

No recent activity since September 2026.

Work at Factorial Funds? Claim or correct this profile.