Andreas Halvorsen's position in Adaptive Biotechnologies is currently worth $391M. That's 1.09% of their equity portfolio (39th largest holding). The investor owns 19.46% of the outstanding Adaptive Biotechnologies stock. Andreas Halvorsen started to build up the position in Adaptive Biotechnologies in Q2 2019 and continued to invest until Q2 2019. Since then they sold 8.41M shares. The investor's estimated purchase price is $1.33B, resulting in a loss of 71%.
https://www.investing.com/news/stock-market-news/viking-global-investors-reduced-stake-in-adaptive-biotechnologies-corp-2348133