REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q4 2025

Shares 499,544 Value ($000) $385,591 Avg Close $678.68 Range $540.32 - $792.77

Q3 2025

Shares 499,096 Value ($000) $280,616 Avg Close $564.28 Range $519.56 - $609.69

Q2 2025

Shares 519,437 Value ($000) $272,690 Avg Close $556.12 Range $475.17 - $638.52

Q1 2025

Shares 571,187 Value ($000) $362,268 Avg Close $684.44 Range $615.89 - $745.12

Q4 2024

Shares 587,025 Value ($000) $418,113 Avg Close $834.60 Range $689.18 - $1055.74

Q3 2024

Shares 570,064 Value ($000) $599,245 Avg Close $1106.73 Range $1002.85 - $1204.52

Q2 2024

Shares 586,562 Value ($000) $616,498 Avg Close $964.05 Range $870.40 - $1075.21

Q1 2024

Shares 588,953 Value ($000) $566,861 Avg Close $945.64 Range $866.58 - $992.82

Q4 2023

Shares 593,522 Value ($000) $521,298 Avg Close $818.96 Range $764.95 - $894.90

Q3 2023

Shares 619,266 Value ($000) $509,688 Avg Close $781.58 Range $684.72 - $842.83

Q2 2023

Shares 612,824 Value ($000) $440,292 Avg Close $766.75 Range $681.03 - $832.93

Q1 2023

Shares 633,508 Value ($000) $520,490 Avg Close $750.05 Range $664.32 - $830.39

Q4 2022

Shares 634,588 Value ($000) $458 Avg Close $733.79 Range $690.81 - $774.70

Q3 2022

Shares 650,407 Value ($000) $448,075 Avg Close $625.92 Range $560.71 - $750.51

Q2 2022

Shares 631,906 Value ($000) $373,553 Avg Close $646.43 Range $535.04 - $743.30

Q1 2022

Shares 585,149 Value ($000) $408,643 Avg Close $629.16 Range $589.59 - $706.29

Q4 2021

Shares 502,498 Value ($000) $317,402 Avg Close $611.44 Range $536.21 - $670.14

Q3 2021

Shares 403,530 Value ($000) $244,230 Avg Close $617.39 Range $551.89 - $682.83

Q2 2021

Shares 320,254 Value ($000) $178,808 Avg Close $503.83 Range $466.78 - $566.85

Q1 2021

Shares 250,147 Value ($000) $118,353 Avg Close $484.19 Range $438.57 - $555.83

Q4 2020

Shares 236,843 Value ($000) $114,415 Avg Close $536.82 Range $468.18 - $616.55

Q3 2020

Shares 224,865 Value ($000) $125,909 Avg Close $602.99 Range $537.02 - $660.97

Q2 2020

Shares 216,405 Value ($000) $134,921 Avg Close $564.49 Range $473.82 - $642.77

Q1 2020

Shares 209,210 Value ($000) $102,082 Avg Close $410.21 Range $326.32 - $515.14

Q4 2019

Shares 206,700 Value ($000) $77,609 Avg Close $334.59 Range $270.76 - $380.14

Q3 2019

Shares 208,892 Value ($000) $57,940 Avg Close $294.28 Range $269.87 - $318.99

Q2 2019

Shares 196,591 Value ($000) $61,530 Avg Close $331.08 Range $293.64 - $413.60

Q1 2019

Shares 179,631 Value ($000) $73,753 Avg Close $409.51 Range $363.99 - $439.56

Q4 2018

Shares 183,437 Value ($000) $68,499 Avg Close $364.00 Range $325.77 - $407.74

Q3 2018

Shares 177,466 Value ($000) $71,706 Avg Close $378.49 Range $340.69 - $414.19

Q2 2018

Shares 171,861 Value ($000) $59,287 Avg Close $311.03 Range $280.34 - $347.31

Q1 2018

Shares 169,670 Value ($000) $58,428 Avg Close $345.90 Range $311.80 - $394.59

Q4 2017

Shares 167,617 Value ($000) $63,025 Avg Close $402.77 Range $351.19 - $474.37

Q3 2017

Shares 161,491 Value ($000) $72,193 Avg Close $473.21 Range $424.12 - $523.22

Q2 2017

Shares 160,858 Value ($000) $79,025 Avg Close $435.19 Range $358.01 - $540.55

Q1 2017

Shares 159,294 Value ($000) $61,725 Avg Close $368.62 Range $338.21 - $399.00

Q4 2016

Shares 155,255 Value ($000) $57,001 Avg Close $378.17 Range $323.56 - $450.46

Q3 2016

Shares 156,155 Value ($000) $62,783 Avg Close $398.92 Range $346.51 - $441.54

Q2 2016

Shares 141,388 Value ($000) $49,377 Avg Close $383.00 Range $327.27 - $431.54

Q1 2016

Shares 140,973 Value ($000) $50,811 Avg Close $409.79 Range $347.04 - $529.97

Q4 2015

Shares 136,447 Value ($000) $74,078 Avg Close $538.82 Range $445.63 - $589.32

Q3 2015

Shares 129,131 Value ($000) $60,056 Avg Close $534.07 Range $433.12 - $602.59

Q2 2015

Shares 127,205 Value ($000) $64,890 Avg Close $485.93 Range $431.08 - $541.00

Q1 2015

Shares 122,173 Value ($000) $55,161 Avg Close $421.46 Range $390.83 - $492.77

Q4 2014

Shares 121,165 Value ($000) $49,708 Avg Close $391.09 Range $318.29 - $435.23

Q3 2014

Shares 114,939 Value ($000) $41,434 Avg Close $333.32 Range $283.49 - $367.27

Q2 2014

Shares 129,215 Value ($000) $36,494 Avg Close $294.74 Range $268.01 - $318.24

Q1 2014

Shares 128,309 Value ($000) $38,540 Avg Close $306.39 Range $261.52 - $350.55

Q4 2013

Shares 127,462 Value ($000) $35,085 Avg Close $286.03 Range $256.27 - $317.74

Q3 2013

Shares 127,762 Value ($000) $39,964 Avg Close $261.58 Range $224.53 - $318.07

Q2 2013

Shares 126,756 Value ($000) $28,514 Avg Close $231.58 Range $176.14 - $282.42

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	499,544	$385,591	$678.68	$540.32 - $792.77
Q3 2025	499,096	$280,616	$564.28	$519.56 - $609.69
Q2 2025	519,437	$272,690	$556.12	$475.17 - $638.52
Q1 2025	571,187	$362,268	$684.44	$615.89 - $745.12
Q4 2024	587,025	$418,113	$834.60	$689.18 - $1055.74
Q3 2024	570,064	$599,245	$1106.73	$1002.85 - $1204.52
Q2 2024	586,562	$616,498	$964.05	$870.40 - $1075.21
Q1 2024	588,953	$566,861	$945.64	$866.58 - $992.82
Q4 2023	593,522	$521,298	$818.96	$764.95 - $894.90
Q3 2023	619,266	$509,688	$781.58	$684.72 - $842.83
Q2 2023	612,824	$440,292	$766.75	$681.03 - $832.93
Q1 2023	633,508	$520,490	$750.05	$664.32 - $830.39
Q4 2022	634,588	$458	$733.79	$690.81 - $774.70
Q3 2022	650,407	$448,075	$625.92	$560.71 - $750.51
Q2 2022	631,906	$373,553	$646.43	$535.04 - $743.30
Q1 2022	585,149	$408,643	$629.16	$589.59 - $706.29
Q4 2021	502,498	$317,402	$611.44	$536.21 - $670.14
Q3 2021	403,530	$244,230	$617.39	$551.89 - $682.83
Q2 2021	320,254	$178,808	$503.83	$466.78 - $566.85
Q1 2021	250,147	$118,353	$484.19	$438.57 - $555.83
Q4 2020	236,843	$114,415	$536.82	$468.18 - $616.55
Q3 2020	224,865	$125,909	$602.99	$537.02 - $660.97
Q2 2020	216,405	$134,921	$564.49	$473.82 - $642.77
Q1 2020	209,210	$102,082	$410.21	$326.32 - $515.14
Q4 2019	206,700	$77,609	$334.59	$270.76 - $380.14
Q3 2019	208,892	$57,940	$294.28	$269.87 - $318.99
Q2 2019	196,591	$61,530	$331.08	$293.64 - $413.60
Q1 2019	179,631	$73,753	$409.51	$363.99 - $439.56
Q4 2018	183,437	$68,499	$364.00	$325.77 - $407.74
Q3 2018	177,466	$71,706	$378.49	$340.69 - $414.19
Q2 2018	171,861	$59,287	$311.03	$280.34 - $347.31
Q1 2018	169,670	$58,428	$345.90	$311.80 - $394.59
Q4 2017	167,617	$63,025	$402.77	$351.19 - $474.37
Q3 2017	161,491	$72,193	$473.21	$424.12 - $523.22
Q2 2017	160,858	$79,025	$435.19	$358.01 - $540.55
Q1 2017	159,294	$61,725	$368.62	$338.21 - $399.00
Q4 2016	155,255	$57,001	$378.17	$323.56 - $450.46
Q3 2016	156,155	$62,783	$398.92	$346.51 - $441.54
Q2 2016	141,388	$49,377	$383.00	$327.27 - $431.54
Q1 2016	140,973	$50,811	$409.79	$347.04 - $529.97
Q4 2015	136,447	$74,078	$538.82	$445.63 - $589.32
Q3 2015	129,131	$60,056	$534.07	$433.12 - $602.59
Q2 2015	127,205	$64,890	$485.93	$431.08 - $541.00
Q1 2015	122,173	$55,161	$421.46	$390.83 - $492.77
Q4 2014	121,165	$49,708	$391.09	$318.29 - $435.23
Q3 2014	114,939	$41,434	$333.32	$283.49 - $367.27
Q2 2014	129,215	$36,494	$294.74	$268.01 - $318.24
Q1 2014	128,309	$38,540	$306.39	$261.52 - $350.55
Q4 2013	127,462	$35,085	$286.03	$256.27 - $317.74
Q3 2013	127,762	$39,964	$261.58	$224.53 - $318.07
Q2 2013	126,756	$28,514	$231.58	$176.14 - $282.42