at 324,383,978 BPH shares with BPH holding 27.75% of Advent,...

at 324,383,978 BPH shares with BPH holding 27.75% of Advent, GBA's 6,778,200 BPH shares give GBA an extra 0.6% holding of Advent [6.8/324 x 27.25%]

at 203,657,721 MMR shares & options with MMR holding 52.9% of Advent (via holdings in BPH), GBA's 17,057,884 shares & options is MMR give GBA an extra 4.4% holding of Advent [17/204 x 52.9%]

according to my maths, GBA's indirect holdings give it an additional 5% share of Advent

regards