Theorem
Acquired
What they do:
The mission of Theorem is to make credit safe and available. We use…
Quick facts:
HQ: San Francisco, CA, United States
Top Investing Startups in California
This list has 53 startups and was last updated on Oct 15, 2026. 10 of them are hiring right now. Largest teams: Human Interest, Alpaca, and OpenInvest.
53 startupsPage 2 of 2
Mattermark
Acquired
What they do:
Big Data Meets Startup Investing The best tool for tracking and…
Quick facts:
HQ: San Francisco, CA, United States
Sliced Investing
Acquired
What they do:
Crowdfunding for hedge funds
Quick facts:
HQ: San Francisco, CA, United States
Fintool
Acquired
What they do:
Financial copilot for institutional investors
Quick facts:
HQ: San Francisco, CA, United States
No Cap
Acquired
What they do:
AI startup investor, No Cap
Quick facts:
HQ: San Francisco, CA, United States
Nasdisc
Acquired
What they do:
A marketplace for vinyl, cassettes and cds
Quick facts:
HQ: San Francisco, CA, United States
TAI
Acquired
What they do:
Control All of Your Investments from a Single App
Quick facts:
HQ: San Francisco, CA, United States
AlphaFlow
Shut down
What they do:
AlphaFlow is a technology-driven investment manager.
Quick facts:
HQ: San Francisco, CA, United States
HoverChat
Shut down
What they do:
Message without interrupting what you're doing
Quick facts:
HQ: San Francisco, CA, United States
Bifrost
Shut down
What they do:
Wills and Estate Management for Crypto
Quick facts:
HQ: San Francisco, CA, United States
Apollo
Shut down
What they do:
The card that rewards you with stock
Quick facts:
HQ: San Francisco, CA, United States
Cashmere
Shut down
What they do:
Crypto wallet for web3 startups
Quick facts:
HQ: San Francisco, CA, United States
TrustEgg
Shut down
What they do:
Trust funds.
Quick facts:
HQ: Culver City, CA, United States
Unicornly
Shut down
What they do:
Unicorn.ly makes fundraising more efficient for both angel investors…
Quick facts:
HQ: San Francisco, CA, United States
SparkGift
Shut down
What they do:
SparkGift makes it easy to send stocks and index funds as gifts to…
Quick facts:
HQ: San Francisco, CA, United States
Instavest
Shut down
What they do:
Investors can list their trades on Instavest, including the company, share amount and rationale behind the investment. Other users can invest alongside the…
Quick facts:
HQ: San Francisco, CA, United States
Pit.AI
Shut down
What they do:
Solving intelligence for investment management.
Quick facts:
HQ: San Francisco, CA, United States