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Socii Capital
Socii Capital is a private equity based in San Francisco, founded 2017; the Altss profile covers its classification, headquarters, registration, AUM band, and...
Socii Capital
We partner with bold and mission-driven entrepreneurs to build next generation digital infrastructure companies.
General information
Firm type
Private Equity
Year founded
2017
AUM
Undisclosed
Location
Region
North America
Country
United States
City
San Francisco
Corporate office
San Francisco, CA, United States
Principals
Yuan Chen
Operator turned capital allocator
Simon Mahony
Exited founder and investor
Jack Blyzinskyj
Tech operator
Sector focus
Frequently asked 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.
What is Socii Capital's approach to concentration?
The firm explicitly states it maintains a highly concentrated portfolio. Published holdings run across roughly two dozen named companies, consistent with a high-conviction, low-volume deployment model.
Which sectors does Socii Capital explicitly avoid?
No explicit negative sector filters are published. However, the known portfolio is heavily tilted toward enterprise data infrastructure, financial technology, autonomous systems, and applied AI, suggesting limited activity in sectors such as consumer packaged goods, traditional energy, or heavy industrials.
Profile maintained by Altss using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.
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