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.
Refer to the input text as context and select the correct relationship between 'Pimco' and 'Investment Management' from the available options.
Options: original broadcaster, product/material produced, position held, operator