REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

RHUMBLINE ADVISERS's Holding History (CIK: 0001115418)

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

Q4 2025

Shares 160,805 Value ($000) $124,120 Avg Close $678.68 Range $540.32 - $792.77

Q3 2025

Shares 168,001 Value ($000) $94,462 Avg Close $564.28 Range $519.56 - $609.69

Q2 2025

Shares 170,659 Value ($000) $89,596 Avg Close $556.12 Range $475.17 - $638.52

Q1 2025

Shares 173,167 Value ($000) $109,828 Avg Close $684.44 Range $615.89 - $745.12

Q4 2024

Shares 170,620 Value ($000) $121,538 Avg Close $834.60 Range $689.18 - $1055.74

Q3 2024

Shares 174,746 Value ($000) $183,700 Avg Close $1106.73 Range $1002.85 - $1204.52

Q2 2024

Shares 180,097 Value ($000) $189,287 Avg Close $964.05 Range $870.40 - $1075.21

Q1 2024

Shares 183,567 Value ($000) $176,681 Avg Close $945.64 Range $866.58 - $992.82

Q4 2023

Shares 181,598 Value ($000) $159,496 Avg Close $818.96 Range $764.95 - $894.90

Q3 2023

Shares 183,278 Value ($000) $150,830 Avg Close $781.58 Range $684.72 - $842.83

Q2 2023

Shares 186,073 Value ($000) $133,701 Avg Close $766.75 Range $681.03 - $832.93

Q1 2023

Shares 183,704 Value ($000) $151 Avg Close $750.05 Range $664.32 - $830.39

Q4 2022

Shares 187,905 Value ($000) $136 Avg Close $733.79 Range $690.81 - $774.70

Q3 2022

Shares 178,998 Value ($000) $123,306 Avg Close $625.92 Range $560.71 - $750.51

Q2 2022

Shares 173,573 Value ($000) $102,604 Avg Close $646.43 Range $535.04 - $743.30

Q1 2022

Shares 163,126 Value ($000) $113,930 Avg Close $629.16 Range $589.59 - $706.29

Q4 2021

Shares 161,999 Value ($000) $102,306 Avg Close $611.44 Range $536.21 - $670.14

Q3 2021

Shares 161,267 Value ($000) $97,596 Avg Close $617.39 Range $551.89 - $682.83

Q2 2021

Shares 161,792 Value ($000) $90,367 Avg Close $503.83 Range $466.78 - $566.85

Q1 2021

Shares 165,250 Value ($000) $78,186 Avg Close $484.19 Range $438.57 - $555.83

Q4 2020

Shares 173,874 Value ($000) $84,000 Avg Close $536.82 Range $468.18 - $616.55

Q3 2020

Shares 192,878 Value ($000) $107,969 Avg Close $602.99 Range $537.02 - $660.97

Q2 2020

Shares 195,897 Value ($000) $122,171 Avg Close $564.49 Range $473.82 - $642.77

Q1 2020

Shares 146,449 Value ($000) $71,510 Avg Close $410.21 Range $326.32 - $515.14

Q4 2019

Shares 146,062 Value ($000) $54,843 Avg Close $334.59 Range $270.76 - $380.14

Q3 2019

Shares 141,481 Value ($000) $39,247 Avg Close $294.28 Range $269.87 - $318.99

Q2 2019

Shares 135,109 Value ($000) $42,289 Avg Close $331.08 Range $293.64 - $413.60

Q1 2019

Shares 132,820 Value ($000) $54,539 Avg Close $409.51 Range $363.99 - $439.56

Q4 2018

Shares 147,235 Value ($000) $54,992 Avg Close $364.00 Range $325.77 - $407.74

Q3 2018

Shares 146,131 Value ($000) $59,043 Avg Close $378.49 Range $340.69 - $414.19

Q2 2018

Shares 147,469 Value ($000) $50,875 Avg Close $311.03 Range $280.34 - $347.31

Q1 2018

Shares 143,371 Value ($000) $49,371 Avg Close $345.90 Range $311.80 - $394.59

Q4 2017

Shares 143,223 Value ($000) $53,846 Avg Close $402.77 Range $351.19 - $474.37

Q3 2017

Shares 135,284 Value ($000) $60,488 Avg Close $473.21 Range $424.12 - $523.22

Q2 2017

Shares 133,254 Value ($000) $65,446 Avg Close $435.19 Range $358.01 - $540.55

Q1 2017

Shares 131,132 Value ($000) $50,815 Avg Close $368.62 Range $338.21 - $399.00

Q4 2016

Shares 128,308 Value ($000) $47,101 Avg Close $378.17 Range $323.56 - $450.46

Q3 2016

Shares 126,129 Value ($000) $50,706 Avg Close $398.92 Range $346.51 - $441.54

Q2 2016

Shares 122,929 Value ($000) $42,930 Avg Close $383.00 Range $327.27 - $431.54

Q1 2016

Shares 118,490 Value ($000) $42,709 Avg Close $409.79 Range $347.04 - $529.97

Q4 2015

Shares 114,134 Value ($000) $61,960 Avg Close $538.82 Range $445.63 - $589.32

Q3 2015

Shares 111,261 Value ($000) $51,752 Avg Close $534.07 Range $433.12 - $602.59

Q2 2015

Shares 107,665 Value ($000) $54,923 Avg Close $485.93 Range $431.08 - $541.00

Q1 2015

Shares 126,791 Value ($000) $57,244 Avg Close $421.46 Range $390.83 - $492.77

Q4 2014

Shares 128,177 Value ($000) $52,585 Avg Close $391.09 Range $318.29 - $435.23

Q3 2014

Shares 131,558 Value ($000) $47,429 Avg Close $333.32 Range $283.49 - $367.27

Q2 2014

Shares 136,504 Value ($000) $38,558 Avg Close $294.74 Range $268.01 - $318.24

Q1 2014

Shares 140,753 Value ($000) $42,265 Avg Close $306.39 Range $261.52 - $350.55

Q4 2013

Shares 139,822 Value ($000) $38,485 Avg Close $286.03 Range $256.27 - $317.74

Q3 2013

Shares 142,622 Value ($000) $44,622 Avg Close $261.58 Range $224.53 - $318.07

Q2 2013

Shares 144,848 Value ($000) $32,573 Avg Close $231.58 Range $176.14 - $282.42

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	160,805	$124,120	$678.68	$540.32 - $792.77
Q3 2025	168,001	$94,462	$564.28	$519.56 - $609.69
Q2 2025	170,659	$89,596	$556.12	$475.17 - $638.52
Q1 2025	173,167	$109,828	$684.44	$615.89 - $745.12
Q4 2024	170,620	$121,538	$834.60	$689.18 - $1055.74
Q3 2024	174,746	$183,700	$1106.73	$1002.85 - $1204.52
Q2 2024	180,097	$189,287	$964.05	$870.40 - $1075.21
Q1 2024	183,567	$176,681	$945.64	$866.58 - $992.82
Q4 2023	181,598	$159,496	$818.96	$764.95 - $894.90
Q3 2023	183,278	$150,830	$781.58	$684.72 - $842.83
Q2 2023	186,073	$133,701	$766.75	$681.03 - $832.93
Q1 2023	183,704	$151	$750.05	$664.32 - $830.39
Q4 2022	187,905	$136	$733.79	$690.81 - $774.70
Q3 2022	178,998	$123,306	$625.92	$560.71 - $750.51
Q2 2022	173,573	$102,604	$646.43	$535.04 - $743.30
Q1 2022	163,126	$113,930	$629.16	$589.59 - $706.29
Q4 2021	161,999	$102,306	$611.44	$536.21 - $670.14
Q3 2021	161,267	$97,596	$617.39	$551.89 - $682.83
Q2 2021	161,792	$90,367	$503.83	$466.78 - $566.85
Q1 2021	165,250	$78,186	$484.19	$438.57 - $555.83
Q4 2020	173,874	$84,000	$536.82	$468.18 - $616.55
Q3 2020	192,878	$107,969	$602.99	$537.02 - $660.97
Q2 2020	195,897	$122,171	$564.49	$473.82 - $642.77
Q1 2020	146,449	$71,510	$410.21	$326.32 - $515.14
Q4 2019	146,062	$54,843	$334.59	$270.76 - $380.14
Q3 2019	141,481	$39,247	$294.28	$269.87 - $318.99
Q2 2019	135,109	$42,289	$331.08	$293.64 - $413.60
Q1 2019	132,820	$54,539	$409.51	$363.99 - $439.56
Q4 2018	147,235	$54,992	$364.00	$325.77 - $407.74
Q3 2018	146,131	$59,043	$378.49	$340.69 - $414.19
Q2 2018	147,469	$50,875	$311.03	$280.34 - $347.31
Q1 2018	143,371	$49,371	$345.90	$311.80 - $394.59
Q4 2017	143,223	$53,846	$402.77	$351.19 - $474.37
Q3 2017	135,284	$60,488	$473.21	$424.12 - $523.22
Q2 2017	133,254	$65,446	$435.19	$358.01 - $540.55
Q1 2017	131,132	$50,815	$368.62	$338.21 - $399.00
Q4 2016	128,308	$47,101	$378.17	$323.56 - $450.46
Q3 2016	126,129	$50,706	$398.92	$346.51 - $441.54
Q2 2016	122,929	$42,930	$383.00	$327.27 - $431.54
Q1 2016	118,490	$42,709	$409.79	$347.04 - $529.97
Q4 2015	114,134	$61,960	$538.82	$445.63 - $589.32
Q3 2015	111,261	$51,752	$534.07	$433.12 - $602.59
Q2 2015	107,665	$54,923	$485.93	$431.08 - $541.00
Q1 2015	126,791	$57,244	$421.46	$390.83 - $492.77
Q4 2014	128,177	$52,585	$391.09	$318.29 - $435.23
Q3 2014	131,558	$47,429	$333.32	$283.49 - $367.27
Q2 2014	136,504	$38,558	$294.74	$268.01 - $318.24
Q1 2014	140,753	$42,265	$306.39	$261.52 - $350.55
Q4 2013	139,822	$38,485	$286.03	$256.27 - $317.74
Q3 2013	142,622	$44,622	$261.58	$224.53 - $318.07
Q2 2013	144,848	$32,573	$231.58	$176.14 - $282.42