Hide-The-Toxic-Debt-Salami: Treasury Bond Edition

"However, what was perhaps more disturbing than even that was the revelation that as of January, the US has a brand new third largest holder of US Treasurys, one which in the past two months has added over $100 billion in US Treasury paper, bringing its total from $201 billion in November, to $257 billion in December, to a whopping $310 billion at January 31. The country? Belgium"