REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

HORIZON KINETICS ASSET MANAGEMENT LLC's Holding History (CIK: 0001056823)

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

Q4 2025
Shares 705 Value ($000) $544 Avg Close $678.68 Range $540.32 - $792.77
Q3 2025
Shares 735 Value ($000) $413 Avg Close $564.28 Range $519.56 - $609.69
Q2 2025
Shares 705 Value ($000) $370 Avg Close $556.12 Range $475.17 - $638.52
Q1 2025
Shares 735 Value ($000) $466 Avg Close $684.44 Range $615.89 - $745.12
Q4 2024
Shares 735 Value ($000) $524 Avg Close $834.60 Range $689.18 - $1055.74
Q3 2024
Shares 706 Value ($000) $742 Avg Close $1106.73 Range $1002.85 - $1204.52
Q2 2024
Shares 736 Value ($000) $774 Avg Close $964.05 Range $870.40 - $1075.21
Q1 2024
Shares 736 Value ($000) $708 Avg Close $945.64 Range $866.58 - $992.82
Q4 2023
Shares 735 Value ($000) $646 Avg Close $818.96 Range $764.95 - $894.90
Q3 2023
Shares 765 Value ($000) $630 Avg Close $781.58 Range $684.72 - $842.83
Q2 2023
Shares 765 Value ($000) $550 Avg Close $766.75 Range $681.03 - $832.93
Q1 2023
Shares 765 Value ($000) $629 Avg Close $750.05 Range $664.32 - $830.39