GRAYSCALE BITCOIN TRUST ETF

Ticker: GBTC CUSIP: 389637109 Class: ETF

Westmount Partners, LLC's Holding History (CIK: 0002051491)

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

Q4 2025
Shares 9,686 Value ($000) $662 Avg Close — Range —
Q3 2025
Shares 7,983 Value ($000) $736 Avg Close — Range —
Q2 2025
Shares 7,983 Value ($000) $677 Avg Close — Range —
Q1 2025
Shares 8,107 Value ($000) $528 Avg Close — Range —
Q4 2024
Shares 8,107 Value ($000) $600 Avg Close — Range —
Q3 2024
Shares 8,107 Value ($000) $409 Avg Close — Range —
Q2 2024
Shares 11,114 Value ($000) $623 Avg Close — Range —
Q1 2024
Shares 11,781 Value ($000) $744 Avg Close — Range —