[7][8] Thomas Rowe Price Jr. started in finance in the 1920s as an entry-level researcher and account manager at Baltimore-area brokerages, but disliked the operating models of sales-oriented firms at the time.

[12] Initially a very small firm focused on wealth management, and private investment accounts for Baltimore-area families, the company struggled during the Great Depression and World War II before gaining solid footing at the end of the 1940s.

[13] In need of more room, the headquarters were moved in 1962 to the new One Charles Center building designed by Ludwig Mies van der Rohe nearby in downtown Baltimore.

[13] Despite this, Price maintained an active presence in the firm for several years and urged the opening of the New Era Fund in 1969 as a response to the rapid inflation he predicted would dominate the 1970s.

In the 1970s and early 1980s, T. Rowe Price kicked off more assertive growth than before, moving to its current location at 100 East Pratt Street and opening its first international office.

[21] The Wall Street Journal expressed surprise at the firm's moderation with avoiding concentrated holdings in trendy internet technology stocks, in an article published a week before the markets began to crash in March 2000.

The firm explained its symbol, "Known for its sure-footed agility and sharp vision, the bighorn sheep's ability to navigate challenging terrain with purpose and independence is an apt reflection of T. Rowe Price's mission and positioning.

A circular dark blue, aqua and white sleeve patch with Trusty on it debuted in a home game against the Atlanta Braves the following night on June 11.