Trader T posted on social media that Bitcoin spot ETFs have become increasingly institutionalized in the third quarter: BlackRock IBIT has 639 institutional holders, up 10% from the previous quarter; institutional holders hold 148 million shares, up 19% from the previous quarter; Fidelity FBTC has 316 institutional holders, up 4% from the previous quarter, and institutional holders hold 50.4 million shares, down 4% from the previous quarter; Bitwise's BITB has 140 institutional holders, up 0% from the previous quarter. Institutional holders hold 15.8 million shares, up 7% from the previous quarter. $BTC