(Reuters) - T. Rowe Price Group Inc
In an emailed statement on Thursday, Rogers said that "I fully support the combined chairman and CEO role at J.P. Morgan under the superb leadership of Jamie Dimon."
"He and his management team have created superior shareholder value after the company weathered the financial crisis so capably," said Rogers, a classmate of Dimon at Harvard Business School.
The comments mark a rare public stance by a big mutual fund company. Other top JPMorgan shareholders, including Vanguard Group Inc, State Street Corp
Shareholders will vote on a closely-watched measure urging Dimon's dual leadership roles be separated as a matter of good corporate governance.
Baltimore asset manager T. Rowe Price owns about 81 million shares of JPMorgan, making it one of the bank's top ten holders according to data from Thomson Reuters' Thomson One service. JPMorgan has 3.8 billion shares outstanding according to its latest quarterly regulatory filing.
A spokesman for T. Rowe Price said Rogers was speaking only for the roughly 23 million shares of JPMorgan
The spokesman said Rogers would not grant interviews or elaborate on his decision to speak out.
Last year, T. Rowe funds also voted in favor of keeping Dimon in both jobs.
(Reporting By Ross Kerber in Boston and David Henry in New York; Editing by Maureen Bavdek and Tim Dobbyn)