Looks like they're just trading it
30/06/2021 Blackrock Becoming a substantial holder
23/06/2021 Blackrock Becoming a substantial holder
10/06/2021 Blackrock Becoming a substantial holder
8/06/2021 Blackrock Becoming a substantial holder
14/05/2021 Blackrock Becoming a substantial holder
30/04/2021 Blackrock Becoming a substantial holder