# Socii Capital

Socii Capital is a Private Equity based in San Francisco, United States.

## Overview

- **Organization type:** Private Equity
- **Headquarters:** San Francisco, United States
- **Region:** North America
- **Address:** San Francisco, CA, United States
- **Founded:** 2017
- **Assets under management:** Undisclosed
- **Website:** sociicapital.com
- **LinkedIn:** https://www.linkedin.com/company/sociicapital

## Regulatory record

- **Reports private funds:** No

## About

Socii Capital are specialist investors who partner with bold and mission-driven entrepreneurs to build next generation digital infrastructure companies. As a small, focused fund they are committed to quality over quantity, with a highly concentrated portfolio. Their name means partners with aligned interests, and they measure themselves by driving good exits and building lasting relationships with partners.

## Sectors

- Enterprise Software
- AI/ML
- FinTech
- InsurTech
- Digital Health
- Mobility & Transportation
- PropTech

## People

- Yuan Chen — Operator turned capital allocator
- Simon Mahony — Exited founder and investor
- Jack Blyzinskyj — Tech operator

## Questions

### Who runs investment decisions at Socii Capital?

The three principals — Yuan Chen, Simon Mahony and Jack Blyzinskyj — appear to run investment decisions collectively. The firm's website describes each as an active investor aligned with their operating backgrounds, though it does not publish a formal investment committee structure or delineated voting authority.

### What investment stages does Socii Capital target?

Socii Capital invests across early-stage, seed, growth and pre-IPO rounds. Portfolio holdings such as Revolut and Vouch illustrate a willingness to follow a company from its earliest institutional rounds into later-stage private financing.

### Does Socii Capital participate in fund commitments or only direct deals?

Only direct equity deals are confirmed. The firm has not disclosed any fund-of-funds activity, GP-stake acquisitions, or secondary-market purchases based on currently available public information.

## Related profiles

- [Society of Entertainment](https://altss.com/profile/society-of-entertainment)
- [Socinvest Finance](https://altss.com/profile/socinvest-finance)

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Last updated: 2026-08-11T15:08:11.274Z

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