According to Bitcointreasuries.org, a site that tracks Bitcoin holdings for publicly traded investment trusts and firms,
GBTC holds 572,644 Bitcoin, or approximately 50% of the 1,
150,622 Bitcoin in circulation at these ventures.
About 18.6 million Bitcoin have been mined so far, and GBTC holds roughly 3.1% of the asset.

50％買い占めても、まだ3.1％しか保有してない
まだまだ買い薦める余裕ありそう
他にPaypalも来年の為にこれかも買うだろうし
同じ決済企業Squarも同じだろうしますます面白いｗｗｗｗ