REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

MARTINGALE ASSET MANAGEMENT L P's Holding History (CIK: 0000936944)

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

Q4 2025

Shares 9,764 Value ($000) $7,537 Avg Close $678.68 Range $540.32 - $792.77

Q2 2025

Shares 2,598 Value ($000) $1,364 Avg Close $556.12 Range $475.17 - $638.52

Q1 2025

Shares 11,596 Value ($000) $7,355 Avg Close $684.44 Range $615.89 - $745.12

Q4 2024

Shares 20,208 Value ($000) $14,395 Avg Close $834.60 Range $689.18 - $1055.74

Q3 2024

Shares 21,711 Value ($000) $22,823 Avg Close $1106.73 Range $1002.85 - $1204.52

Q2 2024

Shares 26,183 Value ($000) $27,519 Avg Close $964.05 Range $870.40 - $1075.21

Q1 2024

Shares 29,462 Value ($000) $28,357 Avg Close $945.64 Range $866.58 - $992.82

Q4 2023

Shares 32,782 Value ($000) $28,792 Avg Close $818.96 Range $764.95 - $894.90

Q3 2023

Shares 34,255 Value ($000) $28,190 Avg Close $781.58 Range $684.72 - $842.83

Q2 2023

Shares 36,352 Value ($000) $26,120 Avg Close $766.75 Range $681.03 - $832.93

Q1 2023

Shares 38,352 Value ($000) $31,513 Avg Close $750.05 Range $664.32 - $830.39

Q4 2022

Shares 38,879 Value ($000) $28,051 Avg Close $733.79 Range $690.81 - $774.70

Q3 2022

Shares 42,506 Value ($000) $29,282 Avg Close $625.92 Range $560.71 - $750.51

Q2 2022

Shares 44,335 Value ($000) $26,209 Avg Close $646.43 Range $535.04 - $743.30

Q1 2022

Shares 47,880 Value ($000) $33,442 Avg Close $629.16 Range $589.59 - $706.29

Q4 2021

Shares 51,302 Value ($000) $32,400 Avg Close $611.44 Range $536.21 - $670.14

Q3 2021

Shares 54,356 Value ($000) $32,896 Avg Close $617.39 Range $551.89 - $682.83

Q2 2021

Shares 65,169 Value ($000) $36,401 Avg Close $503.83 Range $466.78 - $566.85

Q1 2021

Shares 68,361 Value ($000) $32,345 Avg Close $484.19 Range $438.57 - $555.83

Q4 2020

Shares 63,863 Value ($000) $30,854 Avg Close $536.82 Range $468.18 - $616.55

Q3 2020

Shares 53,134 Value ($000) $29,745 Avg Close $602.99 Range $537.02 - $660.97

Q2 2020

Shares 40,188 Value ($000) $25,065 Avg Close $564.49 Range $473.82 - $642.77

Q2 2019

Shares 1,303 Value ($000) $408 Avg Close $331.08 Range $293.64 - $413.60

Q1 2019

Shares 1,304 Value ($000) $536 Avg Close $409.51 Range $363.99 - $439.56

Q4 2017

Shares 603 Value ($000) $227 Avg Close $402.77 Range $351.19 - $474.37

Q3 2017

Shares 1,203 Value ($000) $538 Avg Close $473.21 Range $424.12 - $523.22

Q4 2016

Shares 4,615 Value ($000) $1,695 Avg Close $378.17 Range $323.56 - $450.46

Q3 2016

Shares 4,925 Value ($000) $1,980 Avg Close $398.92 Range $346.51 - $441.54

Q2 2016

Shares 4,875 Value ($000) $1,703 Avg Close $383.00 Range $327.27 - $431.54

Q1 2016

Shares 4,380 Value ($000) $1,579 Avg Close $409.79 Range $347.04 - $529.97

Q4 2015

Shares 4,240 Value ($000) $2,302 Avg Close $538.82 Range $445.63 - $589.32

Q3 2015

Shares 3,740 Value ($000) $1,740 Avg Close $534.07 Range $433.12 - $602.59

Q2 2015

Shares 2,000 Value ($000) $1,021 Avg Close $485.93 Range $431.08 - $541.00

Q1 2015

Shares 1,075 Value ($000) $486 Avg Close $421.46 Range $390.83 - $492.77

Q4 2014

Shares 775 Value ($000) $318 Avg Close $391.09 Range $318.29 - $435.23

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	9,764	$7,537	$678.68	$540.32 - $792.77
Q2 2025	2,598	$1,364	$556.12	$475.17 - $638.52
Q1 2025	11,596	$7,355	$684.44	$615.89 - $745.12
Q4 2024	20,208	$14,395	$834.60	$689.18 - $1055.74
Q3 2024	21,711	$22,823	$1106.73	$1002.85 - $1204.52
Q2 2024	26,183	$27,519	$964.05	$870.40 - $1075.21
Q1 2024	29,462	$28,357	$945.64	$866.58 - $992.82
Q4 2023	32,782	$28,792	$818.96	$764.95 - $894.90
Q3 2023	34,255	$28,190	$781.58	$684.72 - $842.83
Q2 2023	36,352	$26,120	$766.75	$681.03 - $832.93
Q1 2023	38,352	$31,513	$750.05	$664.32 - $830.39
Q4 2022	38,879	$28,051	$733.79	$690.81 - $774.70
Q3 2022	42,506	$29,282	$625.92	$560.71 - $750.51
Q2 2022	44,335	$26,209	$646.43	$535.04 - $743.30
Q1 2022	47,880	$33,442	$629.16	$589.59 - $706.29
Q4 2021	51,302	$32,400	$611.44	$536.21 - $670.14
Q3 2021	54,356	$32,896	$617.39	$551.89 - $682.83
Q2 2021	65,169	$36,401	$503.83	$466.78 - $566.85
Q1 2021	68,361	$32,345	$484.19	$438.57 - $555.83
Q4 2020	63,863	$30,854	$536.82	$468.18 - $616.55
Q3 2020	53,134	$29,745	$602.99	$537.02 - $660.97
Q2 2020	40,188	$25,065	$564.49	$473.82 - $642.77
Q2 2019	1,303	$408	$331.08	$293.64 - $413.60
Q1 2019	1,304	$536	$409.51	$363.99 - $439.56
Q4 2017	603	$227	$402.77	$351.19 - $474.37
Q3 2017	1,203	$538	$473.21	$424.12 - $523.22
Q4 2016	4,615	$1,695	$378.17	$323.56 - $450.46
Q3 2016	4,925	$1,980	$398.92	$346.51 - $441.54
Q2 2016	4,875	$1,703	$383.00	$327.27 - $431.54
Q1 2016	4,380	$1,579	$409.79	$347.04 - $529.97
Q4 2015	4,240	$2,302	$538.82	$445.63 - $589.32
Q3 2015	3,740	$1,740	$534.07	$433.12 - $602.59
Q2 2015	2,000	$1,021	$485.93	$431.08 - $541.00
Q1 2015	1,075	$486	$421.46	$390.83 - $492.77
Q4 2014	775	$318	$391.09	$318.29 - $435.23