Prem Watsa acquired 151 Thousand Xeris Biopharma Holdings shares worth $330 Thousand. That's 0.03% of their equity portfolio (41st largest holding). Prem Watsa acquired their 151 Thousand shares in Q4 2021. So far they never sold any shares in the company. The stake costed the investor $327 Thousand, netting the investor a gain of 0.9% so far.