REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

Mitsubishi UFJ Kokusai Asset Management Co., Ltd.'s Holding History (CIK: 0001466546)

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

Q4 2025

Shares 224,857 Value ($000) $174,559 Avg Close $678.68 Range $540.32 - $792.77

Q3 2025

Shares 216,169 Value ($000) $121,545 Avg Close $564.28 Range $519.56 - $609.69

Q2 2025

Shares 209,063 Value ($000) $109,758 Avg Close $556.12 Range $475.17 - $638.52

Q1 2025

Shares 198,850 Value ($000) $126,117 Avg Close $684.44 Range $615.89 - $745.12

Q4 2024

Shares 177,008 Value ($000) $127,118 Avg Close $834.60 Range $689.18 - $1055.74

Q3 2024

Shares 164,251 Value ($000) $172,667 Avg Close $1106.73 Range $1002.85 - $1204.52

Q2 2024

Shares 149,170 Value ($000) $156,782 Avg Close $964.05 Range $870.40 - $1075.21

Q1 2024

Shares 132,864 Value ($000) $127,880 Avg Close $945.64 Range $866.58 - $992.82

Q4 2023

Shares 111,336 Value ($000) $102,157 Avg Close $818.96 Range $764.95 - $894.90

Q3 2023

Shares 105,733 Value ($000) $87,014 Avg Close $781.58 Range $684.72 - $842.83

Q2 2023

Shares 97,413 Value ($000) $69,995 Avg Close $766.75 Range $681.03 - $832.93

Q1 2023

Shares 91,028 Value ($000) $74,795 Avg Close $750.05 Range $664.32 - $830.39

Q4 2022

Shares 82,223 Value ($000) $59,239 Avg Close $733.79 Range $690.81 - $774.70

Q3 2022

Shares 74,309 Value ($000) $51,189 Avg Close $625.92 Range $560.71 - $750.51

Q2 2022

Shares 67,487 Value ($000) $39,894 Avg Close $646.43 Range $535.04 - $743.30

Q1 2022

Shares 62,239 Value ($000) $43,469 Avg Close $629.16 Range $589.59 - $706.29

Q4 2021

Shares 56,656 Value ($000) $35,529 Avg Close $611.44 Range $536.21 - $670.14

Q3 2021

Shares 47,767 Value ($000) $28,908 Avg Close $617.39 Range $551.89 - $682.83

Q2 2021

Shares 43,226 Value ($000) $24,143 Avg Close $503.83 Range $466.78 - $566.85

Q1 2021

Shares 37,691 Value ($000) $17,833 Avg Close $484.19 Range $438.57 - $555.83

Q4 2020

Shares 32,978 Value ($000) $15,932 Avg Close $536.82 Range $468.18 - $616.55

Q3 2020

Shares 30,675 Value ($000) $17,171 Avg Close $602.99 Range $537.02 - $660.97

Q2 2020

Shares 26,213 Value ($000) $16,348 Avg Close $564.49 Range $473.82 - $642.77

Q1 2020

Shares 17,163 Value ($000) $8,381 Avg Close $410.21 Range $326.32 - $515.14

Q4 2019

Shares 17,137 Value ($000) $6,326 Avg Close $334.59 Range $270.76 - $380.14

Q3 2019

Shares 15,312 Value ($000) $4,248 Avg Close $294.28 Range $269.87 - $318.99

Q2 2019

Shares 14,482 Value ($000) $4,533 Avg Close $331.08 Range $293.64 - $413.60

Q1 2019

Shares 10,927 Value ($000) $4,487 Avg Close $409.51 Range $363.99 - $439.56

Q4 2018

Shares 10,311 Value ($000) $3,837 Avg Close $364.00 Range $325.77 - $407.74

Q3 2018

Shares 12,298 Value ($000) $4,969 Avg Close $378.49 Range $340.69 - $414.19

Q2 2018

Shares 12,325 Value ($000) $4,252 Avg Close $311.03 Range $280.34 - $347.31

Q1 2018

Shares 12,172 Value ($000) $4,192 Avg Close $345.90 Range $311.80 - $394.59

Q4 2017

Shares 14,278 Value ($000) $5,622 Avg Close $402.77 Range $351.19 - $474.37

Q3 2017

Shares 13,828 Value ($000) $6,183 Avg Close $473.21 Range $424.12 - $523.22

Q2 2017

Shares 30,360 Value ($000) $14,911 Avg Close $435.19 Range $358.01 - $540.55

Q1 2017

Shares 49,276 Value ($000) $19,095 Avg Close $368.62 Range $338.21 - $399.00

Q4 2016

Shares 56,947 Value ($000) $21,623 Avg Close $378.17 Range $323.56 - $450.46

Q3 2016

Shares 56,938 Value ($000) $22,890 Avg Close $398.92 Range $346.51 - $441.54

Q2 2016

Shares 65,005 Value ($000) $22,702 Avg Close $383.00 Range $327.27 - $431.54

Q1 2016

Shares 70,052 Value ($000) $25,250 Avg Close $409.79 Range $347.04 - $529.97

Q4 2015

Shares 52,473 Value ($000) $28,486 Avg Close $538.82 Range $445.63 - $589.32

Q3 2015

Shares 58,686 Value ($000) $27,297 Avg Close $534.07 Range $433.12 - $602.59

Q2 2015

Shares 9,508 Value ($000) $4,850 Avg Close $485.93 Range $431.08 - $541.00

Q1 2015

Shares 10,661 Value ($000) $4,813 Avg Close $421.46 Range $390.83 - $492.77

Q4 2014

Shares 11,210 Value ($000) $4,598 Avg Close $391.09 Range $318.29 - $435.23

Q3 2014

Shares 12,755 Value ($000) $4,598 Avg Close $333.32 Range $283.49 - $367.27

Q2 2014

Shares 15,292 Value ($000) $4,320 Avg Close $294.74 Range $268.01 - $318.24

Q1 2014

Shares 15,281 Value ($000) $4,589 Avg Close $306.39 Range $261.52 - $350.55

Q4 2013

Shares 14,269 Value ($000) $3,878 Avg Close $286.03 Range $256.27 - $317.74

Q3 2013

Shares 17,760 Value ($000) $5,557 Avg Close $261.58 Range $224.53 - $318.07

Q2 2013

Shares 16,500 Value ($000) $3,711 Avg Close $231.58 Range $176.14 - $282.42

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	224,857	$174,559	$678.68	$540.32 - $792.77
Q3 2025	216,169	$121,545	$564.28	$519.56 - $609.69
Q2 2025	209,063	$109,758	$556.12	$475.17 - $638.52
Q1 2025	198,850	$126,117	$684.44	$615.89 - $745.12
Q4 2024	177,008	$127,118	$834.60	$689.18 - $1055.74
Q3 2024	164,251	$172,667	$1106.73	$1002.85 - $1204.52
Q2 2024	149,170	$156,782	$964.05	$870.40 - $1075.21
Q1 2024	132,864	$127,880	$945.64	$866.58 - $992.82
Q4 2023	111,336	$102,157	$818.96	$764.95 - $894.90
Q3 2023	105,733	$87,014	$781.58	$684.72 - $842.83
Q2 2023	97,413	$69,995	$766.75	$681.03 - $832.93
Q1 2023	91,028	$74,795	$750.05	$664.32 - $830.39
Q4 2022	82,223	$59,239	$733.79	$690.81 - $774.70
Q3 2022	74,309	$51,189	$625.92	$560.71 - $750.51
Q2 2022	67,487	$39,894	$646.43	$535.04 - $743.30
Q1 2022	62,239	$43,469	$629.16	$589.59 - $706.29
Q4 2021	56,656	$35,529	$611.44	$536.21 - $670.14
Q3 2021	47,767	$28,908	$617.39	$551.89 - $682.83
Q2 2021	43,226	$24,143	$503.83	$466.78 - $566.85
Q1 2021	37,691	$17,833	$484.19	$438.57 - $555.83
Q4 2020	32,978	$15,932	$536.82	$468.18 - $616.55
Q3 2020	30,675	$17,171	$602.99	$537.02 - $660.97
Q2 2020	26,213	$16,348	$564.49	$473.82 - $642.77
Q1 2020	17,163	$8,381	$410.21	$326.32 - $515.14
Q4 2019	17,137	$6,326	$334.59	$270.76 - $380.14
Q3 2019	15,312	$4,248	$294.28	$269.87 - $318.99
Q2 2019	14,482	$4,533	$331.08	$293.64 - $413.60
Q1 2019	10,927	$4,487	$409.51	$363.99 - $439.56
Q4 2018	10,311	$3,837	$364.00	$325.77 - $407.74
Q3 2018	12,298	$4,969	$378.49	$340.69 - $414.19
Q2 2018	12,325	$4,252	$311.03	$280.34 - $347.31
Q1 2018	12,172	$4,192	$345.90	$311.80 - $394.59
Q4 2017	14,278	$5,622	$402.77	$351.19 - $474.37
Q3 2017	13,828	$6,183	$473.21	$424.12 - $523.22
Q2 2017	30,360	$14,911	$435.19	$358.01 - $540.55
Q1 2017	49,276	$19,095	$368.62	$338.21 - $399.00
Q4 2016	56,947	$21,623	$378.17	$323.56 - $450.46
Q3 2016	56,938	$22,890	$398.92	$346.51 - $441.54
Q2 2016	65,005	$22,702	$383.00	$327.27 - $431.54
Q1 2016	70,052	$25,250	$409.79	$347.04 - $529.97
Q4 2015	52,473	$28,486	$538.82	$445.63 - $589.32
Q3 2015	58,686	$27,297	$534.07	$433.12 - $602.59
Q2 2015	9,508	$4,850	$485.93	$431.08 - $541.00
Q1 2015	10,661	$4,813	$421.46	$390.83 - $492.77
Q4 2014	11,210	$4,598	$391.09	$318.29 - $435.23
Q3 2014	12,755	$4,598	$333.32	$283.49 - $367.27
Q2 2014	15,292	$4,320	$294.74	$268.01 - $318.24
Q1 2014	15,281	$4,589	$306.39	$261.52 - $350.55
Q4 2013	14,269	$3,878	$286.03	$256.27 - $317.74
Q3 2013	17,760	$5,557	$261.58	$224.53 - $318.07
Q2 2013	16,500	$3,711	$231.58	$176.14 - $282.42