REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

ACADIAN ASSET MANAGEMENT LLC's Holding History (CIK: 0000916542)

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

Q4 2025
Shares 445,795 Value ($000) $344 Avg Close $678.68 Range $540.32 - $792.77
Q3 2025
Shares 584,505 Value ($000) $329 Avg Close $564.28 Range $519.56 - $609.69
Q2 2025
Shares 465,740 Value ($000) $244 Avg Close $556.12 Range $475.17 - $638.52
Q1 2025
Shares 139,157 Value ($000) $88 Avg Close $684.44 Range $615.89 - $745.12
Q4 2024
Shares 82,341 Value ($000) $59 Avg Close $834.60 Range $689.18 - $1055.74
Q3 2024
Shares 67,289 Value ($000) $71 Avg Close $1106.73 Range $1002.85 - $1204.52
Q2 2024
Shares 72,830 Value ($000) $77 Avg Close $964.05 Range $870.40 - $1075.21
Q1 2024
Shares 62,141 Value ($000) $60 Avg Close $945.64 Range $866.58 - $992.82
Q4 2023
Shares 45,285 Value ($000) $40 Avg Close $818.96 Range $764.95 - $894.90
Q3 2023
Shares 71,292 Value ($000) $59 Avg Close $781.58 Range $684.72 - $842.83
Q2 2023
Shares 82,076 Value ($000) $59 Avg Close $766.75 Range $681.03 - $832.93
Q1 2023
Shares 103,029 Value ($000) $85 Avg Close $750.05 Range $664.32 - $830.39
Q4 2022
Shares 200,383 Value ($000) $145 Avg Close $733.79 Range $690.81 - $774.70
Q3 2022
Shares 260,995 Value ($000) $179,756 Avg Close $625.92 Range $560.71 - $750.51
Q2 2022
Shares 359,415 Value ($000) $212,465 Avg Close $646.43 Range $535.04 - $743.30
Q1 2022
Shares 429,198 Value ($000) $299,719 Avg Close $629.16 Range $589.59 - $706.29
Q4 2021
Shares 452,193 Value ($000) $285,527 Avg Close $611.44 Range $536.21 - $670.14
Q3 2021
Shares 529,465 Value ($000) $320,383 Avg Close $617.39 Range $551.89 - $682.83
Q2 2021
Shares 441,650 Value ($000) $246,684 Avg Close $503.83 Range $466.78 - $566.85
Q1 2021
Shares 425,374 Value ($000) $201,262 Avg Close $484.19 Range $438.57 - $555.83
Q4 2020
Shares 94,220 Value ($000) $45,517 Avg Close $536.82 Range $468.18 - $616.55
Q3 2020
Shares 95,499 Value ($000) $53,458 Avg Close $602.99 Range $537.02 - $660.97
Q2 2020
Shares 80,219 Value ($000) $50,031 Avg Close $564.49 Range $473.82 - $642.77
Q1 2020
Shares 3,565 Value ($000) $1,741 Avg Close $410.21 Range $326.32 - $515.14
Q4 2019
Shares 1,927 Value ($000) $724 Avg Close $334.59 Range $270.76 - $380.14
Q3 2019
Shares 923 Value ($000) $256 Avg Close $294.28 Range $269.87 - $318.99
Q2 2019
Shares 1,988 Value ($000) $622 Avg Close $331.08 Range $293.64 - $413.60
Q1 2019
Shares 4,824 Value ($000) $1,980 Avg Close $409.51 Range $363.99 - $439.56
Q4 2018
Shares 23,614 Value ($000) $8,822 Avg Close $364.00 Range $325.77 - $407.74
Q3 2018
Shares 21,135 Value ($000) $8,541 Avg Close $378.49 Range $340.69 - $414.19
Q2 2018
Shares 1,486 Value ($000) $513 Avg Close $311.03 Range $280.34 - $347.31
Q4 2017
Shares 202 Value ($000) $76 Avg Close $402.77 Range $351.19 - $474.37
Q3 2017
Shares 464 Value ($000) $208 Avg Close $473.21 Range $424.12 - $523.22
Q2 2017
Shares 1,496 Value ($000) $735 Avg Close $435.19 Range $358.01 - $540.55
Q1 2017
Shares 67 Value ($000) $26 Avg Close $368.62 Range $338.21 - $399.00
Q4 2016
Shares 218 Value ($000) $81 Avg Close $378.17 Range $323.56 - $450.46
Q3 2016
Shares 734 Value ($000) $295 Avg Close $398.92 Range $346.51 - $441.54
Q2 2016
Shares 1,883 Value ($000) $657 Avg Close $383.00 Range $327.27 - $431.54
Q1 2016
Shares 719 Value ($000) $259 Avg Close $409.79 Range $347.04 - $529.97
Q4 2015
Shares 719 Value ($000) $390 Avg Close $538.82 Range $445.63 - $589.32
Q3 2015
Shares 719 Value ($000) $334 Avg Close $534.07 Range $433.12 - $602.59
Q2 2015
Shares 719 Value ($000) $367 Avg Close $485.93 Range $431.08 - $541.00
Q1 2015
Shares 910 Value ($000) $411 Avg Close $421.46 Range $390.83 - $492.77
Q4 2014
Shares 910 Value ($000) $373 Avg Close $391.09 Range $318.29 - $435.23