REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q4 2025
Shares 194,695 Value ($000) $150,279 Avg Close $678.68 Range $540.32 - $792.77
Q3 2025
Shares 192,584 Value ($000) $108,284 Avg Close $564.28 Range $519.56 - $609.69
Q2 2025
Shares 6,063 Value ($000) $3,183 Avg Close $556.12 Range $475.17 - $638.52
Q3 2023
Shares 2,262 Value ($000) $2 Avg Close $781.58 Range $684.72 - $842.83
Q2 2023
Shares 2,262 Value ($000) $2 Avg Close $766.75 Range $681.03 - $832.93
Q4 2022
Shares 1,661 Value ($000) $1 Avg Close $733.79 Range $690.81 - $774.70
Q3 2022
Shares 1,005 Value ($000) $692 Avg Close $625.92 Range $560.71 - $750.51
Q2 2022
Shares 178,542 Value ($000) $105,542 Avg Close $646.43 Range $535.04 - $743.30
Q1 2022
Shares 36,223 Value ($000) $25,299 Avg Close $629.16 Range $589.59 - $706.29
Q4 2021
Shares 4,614 Value ($000) $2,914 Avg Close $611.44 Range $536.21 - $670.14
Q4 2020
Shares 700 Value ($000) $338 Avg Close $536.82 Range $468.18 - $616.55
Q3 2020
Shares 12,200 Value ($000) $6,829 Avg Close $602.99 Range $537.02 - $660.97
Q2 2019
Shares 403,526 Value ($000) $126,304 Avg Close $331.08 Range $293.64 - $413.60
Q1 2019
Shares 310,331 Value ($000) $127,428 Avg Close $409.51 Range $363.99 - $439.56
Q4 2018
Shares 76,975 Value ($000) $28,750 Avg Close $364.00 Range $325.77 - $407.74
Q4 2017
Shares 1,000 Value ($000) $376 Avg Close $402.77 Range $351.19 - $474.37