Arcane Ventures
Early-stage venture capital

Capital that compounds with conviction.

Arcane Ventures backs a handful of teams each year in frontier AI, hard tech, and financial infrastructure. We lead or co-lead, stay close, and keep the portfolio small on purpose.

Pitch usOur thesis
About the firm

A concentrated fund for generational companies.

We lead and co-lead pre-seed and seed rounds, writing first checks from $500k to $4M. Founded in 2019 by operators, we make fewer than 12 investments a year so every portfolio company gets a partner, not a portfolio slot.

$420M
Assets
58
Companies
3
Funds
Who we are

A handful of partners. A short list of bets. A decade of patience.

Arcane Ventures was founded on a simple bet — that the best early-stage checks are written by operators who have built, broken, and rebuilt something themselves. We keep the fund small on purpose so every founder gets a partner, not a pipeline.

01

Conviction over consensus

We underwrite our own thesis. If a round is crowded, it usually means the interesting question has already been answered.

02

Decisions in two weeks

One short call with a partner, diligence in days, a wire within fourteen. No scouts, no committees, no theatre.

03

Founder-first terms

Clean docs, pro-rata without drama, and follow-on capital reserved from day one. We lead or co-lead — never tourist checks.

04

Partners for a decade

The partner who writes the first check stays on the cap table, the text thread, and the midnight-incident bridge for the long haul.

“We back founders who are early to a change that will eventually be obvious — and we stay close enough to matter when it isn't yet.”
The Arcane Thesis
Investment thesis

Three vectors, one conviction.

We back teams where deep technical edge meets a non-obvious go-to-market. The next decade will be won by companies that fuse breakthrough science with operational sophistication.

  1. 01

    AI-native infrastructure

    Compute, data, and tooling for the systems being rebuilt from first principles around foundation models.

  2. 02

    Applied climate & energy

    Industrial software and hardware that move atoms faster — grid, materials, supply chain, and decarbonization.

  3. 03

    The modern financial stack

    The next generation of APIs, risk systems, and consumer rails being written to replace a decades-old core.

Portfolio

Companies we're proud to back.

A selection of founders shaping markets across AI infrastructure, fintech, climate, and healthcare.

15 active companies
Get in touch

Building something extraordinary?

We read every inbound. If you're a founder, share a deck and what you're building — we aim to respond within 72 hours.

Office
One Market Plaza, San Francisco, CA