Posted in Web Pfizer to Buy Remaining Shares of Trillium Therapeutics … October 7, 2021 Pfizer Inc. has agreed to buy shares it didn’t already own in Trillium Therapeutics Inc., a company focused on developing therapies for cancer treatment, for an implied equity value of $2.26 billion. https://www.marketwatch.com/story/pfizer-to-buy-remaining-shares-of-trillium-therapeutics-271629716316