GRAYSCALE BITCOIN TRUST ETF

Ticker: GBTC CUSIP: 389637109 Class: ETF

HARBOR INVESTMENT ADVISORY, LLC's Holding History (CIK: 0001468792)

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

Q4 2025
Shares 713 Value ($000) $49 Avg Close — Range —
Q3 2025
Shares 648 Value ($000) $58 Avg Close — Range —
Q2 2025
Shares 626 Value ($000) $53 Avg Close — Range —
Q1 2025
Shares 591 Value ($000) $39 Avg Close — Range —
Q4 2024
Shares 576 Value ($000) $43 Avg Close — Range —
Q3 2024
Shares 576 Value ($000) $29 Avg Close — Range —
Q2 2024
Shares 551 Value ($000) $29 Avg Close — Range —
Q1 2024
Shares 536 Value ($000) $34 Avg Close — Range —