http://investr4zcyv3issfcryd7mqiflbedhtbt6h4mnbd6b2qshg7sevffad.onion/ethereum-contract/index12.html
Looking at 2009 alone, 32,489 blocks were mined; at the then-reward rate of 50 BTC per block, the total payout in 2009 was 1,624,500 BTC, which is worth $13.9 billion as of October 25, 2019. One may conclude that only Satoshi and perhaps a few other people were mining through 2009 and that they possess a majority of that stash of BTC.