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Alt-X

YC W26

Los Angeles, US · Founded 2025 · 2 employees · 2 known investors

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Alt-X operates an AI-powered infrastructure platform that connects buyers and sellers of private company stakes, starting with venture secondaries and expanding to other private assets. The platform automates diligence, valuation, and transaction execution to reduce the time, cost, and opacity inherent in private market transactions.

Also known as Alt-X Financial, Inc.

FintechUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (W26)

Alt-X was founded in 2025 by Ryan Samadi and Michael Wachsman.

RSRyan Samadi
Ryan SamadiCo-founder · CEORyan Samadi studied Computer Science at Stanford with a focus on AI and led a hedge-fund investing program there. He previously worked at Citadel's commodities fund and is now Co-Founder and CEO of Alt-X, which develops AI infrastructure for financial services.
MWMichael Wachsman
Michael WachsmanCTOMichael Wachsman is Co-Founder and CTO at Alt-X, an AI infrastructure platform for private-market investing, where he leads engineering and product architecture.

Investors · 2

General Advancereported

How we know: Y Combinator's founder network · Not right? Tell us

Related companies · 1

AltExchangeA platform that provides family office-like investment management and reporting for individuals and families managing private investments such as real estate and private funds. The platform converts unstructured investment data into structured insights and automates tax document collection and distribution.

Companies working in the same space as Alt-X.

Legal entities · 1

corporate structure
Alt-X Financial, Inc.

In the news

Alt-X: AI Agents for Real Estate Underwriting & Financial Modelingycombinator.com · Mar 2026

Frequently asked questions

What does Alt-X do?
Alt-X operates an AI-powered infrastructure platform that connects buyers and sellers of private company stakes, starting with venture secondaries and expanding to other private assets. The platform automates diligence, valuation, and transaction execution to reduce the time, cost, and opacity inherent in private market transactions.
Who founded Alt-X?
Alt-X was founded by Ryan Samadi, Michael Wachsman in 2025.
Who are Alt-X's investors?
Alt-X's investors include Y Combinator, General Advance.
Where is Alt-X headquartered?
Alt-X is headquartered in Los Angeles, US.