Prem Watsa acquired 151 Thousand Xeris Biopharma Holdings shares worth $269 Thousand. That's 0.02% of their equity portfolio (57th largest holding). Prem Watsa acquired their 151 Thousand shares in Q4 2021. So far they never sold any shares in the company. The investor's estimated purchase price is $327 Thousand, resulting in a loss of 18%.