About Us

Our Dedicated, Experienced Team

At William O’Neil Securities, every member of our passionate team works to provide our clients with high-quality, personalized service. With headquarters in Boston and regional offices in New York and San Francisco, our proximity to our clients allows us to form deep, productive relationships.

Our unwavering objective is to help our clients achieve the best execution with our team of seasoned traders, sophisticated electronic trading tools, and extensive Street-side relationships.

– Gregory Jannetta, CEO

A Partnership that Adds Value

The close relationship between O’Neil Securities and William O’Neil + Company allows us to add greater value for our clients. William O’Neil + Company is an independent advisory firm that helps many of the world’s leading institutional investment managers increase portfolio performance by providing timely–and time-saving–global buy and sell recommendations, customized independent research, and market advice.