Robert Bruce's position in IGM Biosciences is currently worth $607 Thousand. That's 0.26% of their equity portfolio (27th largest holding). Robert Bruce started to build up the position in IGM Biosciences in Q2 2021 and continued to invest until Q3 2023. Since then they sold 55 Thousand shares. The investor's estimated purchase price is $2.51 Million, resulting in a loss of 76%.