The ECB bought government securities of euro area countries for 9,751 billion in the first week of the launch of the Quantitative easing program (PSPP), which started on Monday 9 March. This is what the ECB communicates on Twitter.
The ECB also informs that, again in the week to 13 March, and for the related programs, purchases of bank covered bonds increased by 2,78 billion to 56,94 billion, while those of securitized securities (ABS) increased by 118 million to 3,754 billion.