Bob Boldt, a prominent activist who was the first chief investment officer to publish performance and fee details of the private equity funds his scheme was invested in, has resigned from the University of Texas Investment Management Company.

Boldt, who is also chief executive at the Texas fund, is moving to an unnamed job in the private sector, according to a report on PIOnline.com, which quoted Boldt as saying he left the $19.3bn (€15.1bn) endowment fund because of differences in investing philosophy.