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.
Take context from the input text and decide on the accurate relationship between 'Pimco' and 'Investment Management' from the options provided.
Options: product/material produced, original broadcaster, operator, position held