Private company

Altair Capital

Logo: Altair Capital, Public domain, via Wikimedia Commons3

American venture capital company

AltaIR Capital, is an American venture capital company that was founded by Igor Ryabenkiy, an angel investor. As of 2021, the company had $600M in assets under management, including investments in tech startups.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

AltaIR Capital, is an American venture capital company that was founded by Igor Ryabenkiy, an angel investor. As of 2021, the company had $600M in assets under management, including investments in tech startups.2

Sources

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