GRAYSCALE BITCOIN TRUST ETF

Ticker: GBTC CUSIP: 389637109 Class: ETF

Mainstream Capital Management LLC's Holding History (CIK: 0002043084)

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

Q4 2025
Shares 3,538 Value ($000) $242 Avg Close — Range —
Q3 2025
Shares 3,538 Value ($000) $318 Avg Close — Range —
Q2 2025
Shares 3,584 Value ($000) $304 Avg Close — Range —
Q1 2025
Shares 3,857 Value ($000) $251 Avg Close — Range —
Q4 2024
Shares 3,876 Value ($000) $287 Avg Close — Range —