GRAYSCALE BITCOIN TRUST ETF

Ticker: GBTC CUSIP: 389637109 Class: ETF

OBSIDIAN CIO, LLC's Holding History (CIK: 0001843581)

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

Q4 2025
Shares 175 Value ($000) $12 Avg Close — Range —
Q3 2025
Shares 14,439 Value ($000) $1,296 Avg Close — Range —
Q2 2025
Shares 14,663 Value ($000) $1,244 Avg Close — Range —
Q1 2025
Shares 14,663 Value ($000) $956 Avg Close — Range —
Q4 2024
Shares 14,785 Value ($000) $1,094 Avg Close — Range —
Q3 2024
Shares 16,063 Value ($000) $811 Avg Close — Range —
Q2 2024
Shares 16,191 Value ($000) $862 Avg Close — Range —
Q1 2024
Shares 15,991 Value ($000) $1,010 Avg Close — Range —