REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

GW&K Investment Management, LLC's Holding History (CIK: 0001082917)

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

Q4 2025
Shares 119 Value ($000) $0 Avg Close $678.68 Range $540.32 - $792.77
Q3 2025
Shares 115 Value ($000) $0 Avg Close $564.28 Range $519.56 - $609.69
Q2 2025
Shares 81 Value ($000) $0 Avg Close $556.12 Range $475.17 - $638.52
Q1 2025
Shares 91 Value ($000) $0 Avg Close $684.44 Range $615.89 - $745.12
Q4 2024
Shares 87 Value ($000) $0 Avg Close $834.60 Range $689.18 - $1055.74
Q3 2024
Shares 87 Value ($000) $0 Avg Close $1106.73 Range $1002.85 - $1204.52
Q2 2024
Shares 79 Value ($000) $0 Avg Close $964.05 Range $870.40 - $1075.21
Q1 2024
Shares 73 Value ($000) $0 Avg Close $945.64 Range $866.58 - $992.82
Q4 2023
Shares 59 Value ($000) $0 Avg Close $818.96 Range $764.95 - $894.90
Q3 2023
Shares 58 Value ($000) $0 Avg Close $781.58 Range $684.72 - $842.83
Q2 2023
Shares 33 Value ($000) $0 Avg Close $766.75 Range $681.03 - $832.93
Q2 2022
Shares 19 Value ($000) $11 Avg Close $646.43 Range $535.04 - $743.30
Q1 2022
Shares 9 Value ($000) $6 Avg Close $629.16 Range $589.59 - $706.29