About
Oak Stream Partners is a private equity firm that specializes in financial and service sector acquisitions. The company was founded in 2013 by Ryan Addis.
Position in the VCSift Database
- • 33,888 investors in VCSift focus on the fintech sector.
- • 29 investors are based in Westlake Village, California, United States.
Data sourced from 410,343 investor profiles. Updated July 2026.
Investment Focus
- Location
- Westlake Village, US
Contact Information
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