Ok, so
The US government has 213,546 BTC ($12.9 billion)
The German government has 45,609 BTC ($2.8 billion)
Mt. Gox has 142,000 BTC ($9 billion)
In total ~401,155 BTC
For context, all Bitcoin ETFs managed to accumulate over 871,000 BTC in just ~6 months
Meh, we good