Public vs Alpaca
Side-by-side comparison of AI visibility scores, market position, and capabilities
Public.com is a commission-free investing platform for stocks, ETFs, crypto, bonds, and Treasury accounts; raised $220M+ total including a $220M Series D in 2021; pivoted away from PFOF in 2021 to a premium subscription and tipping model;
About
Public.com is a consumer investing platform founded in 2019 and headquartered in New York City that enables individuals to invest in stocks, ETFs, fractional shares, bonds, Treasury accounts, cryptocurrency, and alternative assets through a single mobile-first application. The platform was designed with a social layer — investors can follow other members, see what others are buying and selling (with opt-in sharing), and discuss investments in public or private conversations — positioning itself as a community for retail investors rather than just a transactional broker.
Alpaca is a self-clearing broker-dealer and global leader in brokerage infrastructure APIs for stocks, ETFs, options, and fixed income; raised $52M Series C in April 2025 totaling $170M;
About
Alpaca is a developer-first brokerage infrastructure company founded in 2015 and headquartered in San Mateo, California. It operates as a fully self-clearing broker-dealer with DTCC, Nasdaq, OCC, and FICC memberships — enabling it to provide end-to-end brokerage infrastructure for stocks, ETFs, options, fixed income, and cryptocurrency without requiring partners to manage their own clearing relationships. Alpaca's Broker API allows fintech companies, neobrokerages, robo-advisors, and wealth management platforms to embed multi-asset trading into their applications with a single integration.
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