Pacific Investment Management Co, which is known as Pimco and is a unit of Germany's Allianz SE, said the Pimco Total Return Fund increased its holdings in U.S. government-related securities to 19.6 percent in June, up from 8.5 percent in May.
Analyze the relationship between 'Pimco' and 'Investment Management' within the context of the input sentence.
Options: original broadcaster, position held, operator, product/material produced