GRAYSCALE BITCOIN TRUST ETF

Ticker: GBTC CUSIP: 389637109 Class: ETF

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 1,648 Value ($000) $113 Avg Close — Range —
Q2 2025
Shares 2,804 Value ($000) $238 Avg Close — Range —
Q4 2024
Shares 76 Value ($000) $6 Avg Close — Range —