So the opposite of this article is true. You can get all the data from the Z.1 release.
Please don't take these types of flame bait articles seriously or try to spin up an entire world view based on them as you will end up not only directionally wrong, but believe in the exact opposite of reality.
FYI, that $500B increase in treasury holdings is not the whole picture, there are also the agencies (housing mortage backed securities guaranteed by the govt) and foreign holdings of those also increased by $70 billion over the last year, and are about 1.5 Trillion.