REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

Korea Investment CORP's Holding History (CIK: 0001441689)

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

Q4 2025

Shares 69,234 Value ($000) $53,440 Avg Close $678.68 Range $540.32 - $792.77

Q3 2025

Shares 61,457 Value ($000) $34,555 Avg Close $564.28 Range $519.56 - $609.69

Q2 2025

Shares 56,276 Value ($000) $29,545 Avg Close $556.12 Range $475.17 - $638.52

Q1 2025

Shares 65,940 Value ($000) $41,821 Avg Close $684.44 Range $615.89 - $745.12

Q4 2024

Shares 78,223 Value ($000) $55,721 Avg Close $834.60 Range $689.18 - $1055.74

Q3 2024

Shares 78,500 Value ($000) $82,522 Avg Close $1106.73 Range $1002.85 - $1204.52

Q2 2024

Shares 79,818 Value ($000) $83,891 Avg Close $964.05 Range $870.40 - $1075.21

Q1 2024

Shares 86,842 Value ($000) $83,585 Avg Close $945.64 Range $866.58 - $992.82

Q4 2023

Shares 100,601 Value ($000) $88,357 Avg Close $818.96 Range $764.95 - $894.90

Q3 2023

Shares 95,796 Value ($000) $78,836 Avg Close $781.58 Range $684.72 - $842.83

Q2 2023

Shares 110,346 Value ($000) $79,288 Avg Close $766.75 Range $681.03 - $832.93

Q1 2023

Shares 107,659 Value ($000) $88,460 Avg Close $750.05 Range $664.32 - $830.39

Q4 2022

Shares 112,805 Value ($000) $81,388 Avg Close $733.79 Range $690.81 - $774.70

Q3 2022

Shares 119,153 Value ($000) $82,081 Avg Close $625.92 Range $560.71 - $750.51

Q2 2022

Shares 108,710 Value ($000) $64,262 Avg Close $646.43 Range $535.04 - $743.30

Q1 2022

Shares 102,341 Value ($000) $71,477 Avg Close $629.16 Range $589.59 - $706.29

Q4 2021

Shares 55,513 Value ($000) $35,058 Avg Close $611.44 Range $536.21 - $670.14

Q3 2021

Shares 86,062 Value ($000) $52,083 Avg Close $617.39 Range $551.89 - $682.83

Q2 2021

Shares 62,046 Value ($000) $34,655 Avg Close $503.83 Range $466.78 - $566.85

Q1 2021

Shares 63,166 Value ($000) $29,886 Avg Close $484.19 Range $438.57 - $555.83

Q4 2020

Shares 67,800 Value ($000) $32,755 Avg Close $536.82 Range $468.18 - $616.55

Q3 2020

Shares 40,400 Value ($000) $22,615 Avg Close $602.99 Range $537.02 - $660.97

Q2 2020

Shares 32,200 Value ($000) $20,082 Avg Close $564.49 Range $473.82 - $642.77

Q1 2020

Shares 61,700 Value ($000) $30,127 Avg Close $410.21 Range $326.32 - $515.14

Q4 2019

Shares 56,900 Value ($000) $21,365 Avg Close $334.59 Range $270.76 - $380.14

Q3 2019

Shares 41,500 Value ($000) $11,512 Avg Close $294.28 Range $269.87 - $318.99

Q2 2019

Shares 35,800 Value ($000) $11,205 Avg Close $331.08 Range $293.64 - $413.60

Q1 2019

Shares 41,500 Value ($000) $17,041 Avg Close $409.51 Range $363.99 - $439.56

Q4 2018

Shares 35,212 Value ($000) $13,152 Avg Close $364.00 Range $325.77 - $407.74

Q3 2018

Shares 23,733 Value ($000) $9,589 Avg Close $378.49 Range $340.69 - $414.19

Q2 2018

Shares 42,842 Value ($000) $14,780 Avg Close $311.03 Range $280.34 - $347.31

Q1 2018

Shares 44,702 Value ($000) $15,394 Avg Close $345.90 Range $311.80 - $394.59

Q4 2017

Shares 31,481 Value ($000) $11,836 Avg Close $402.77 Range $351.19 - $474.37

Q3 2017

Shares 19,581 Value ($000) $8,755 Avg Close $473.21 Range $424.12 - $523.22

Q2 2017

Shares 22,991 Value ($000) $11,292 Avg Close $435.19 Range $358.01 - $540.55

Q1 2017

Shares 298 Value ($000) $115 Avg Close $368.62 Range $338.21 - $399.00

Q4 2016

Shares 92 Value ($000) $34 Avg Close $378.17 Range $323.56 - $450.46

Q3 2016

Shares 8,371 Value ($000) $3,365 Avg Close $398.92 Range $346.51 - $441.54

Q4 2015

Shares 21,900 Value ($000) $11,888 Avg Close $538.82 Range $445.63 - $589.32

Q3 2015

Shares 19,600 Value ($000) $9,116 Avg Close $534.07 Range $433.12 - $602.59

Q2 2015

Shares 27,500 Value ($000) $14,029 Avg Close $485.93 Range $431.08 - $541.00

Q1 2015

Shares 28,300 Value ($000) $12,777 Avg Close $421.46 Range $390.83 - $492.77

Q4 2014

Shares 9,700 Value ($000) $3,979 Avg Close $391.09 Range $318.29 - $435.23

Q3 2014

Shares 8,800 Value ($000) $3,173 Avg Close $333.32 Range $283.49 - $367.27

Q2 2014

Shares 35,000 Value ($000) $9,886 Avg Close $294.74 Range $268.01 - $318.24

Q1 2014

Shares 11,600 Value ($000) $3,483 Avg Close $306.39 Range $261.52 - $350.55

Q4 2013

Shares 10,700 Value ($000) $2,945 Avg Close $286.03 Range $256.27 - $317.74

Q3 2013

Shares 9,200 Value ($000) $2,878 Avg Close $261.58 Range $224.53 - $318.07

Q2 2013

Shares 1,100 Value ($000) $247 Avg Close $231.58 Range $176.14 - $282.42

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	69,234	$53,440	$678.68	$540.32 - $792.77
Q3 2025	61,457	$34,555	$564.28	$519.56 - $609.69
Q2 2025	56,276	$29,545	$556.12	$475.17 - $638.52
Q1 2025	65,940	$41,821	$684.44	$615.89 - $745.12
Q4 2024	78,223	$55,721	$834.60	$689.18 - $1055.74
Q3 2024	78,500	$82,522	$1106.73	$1002.85 - $1204.52
Q2 2024	79,818	$83,891	$964.05	$870.40 - $1075.21
Q1 2024	86,842	$83,585	$945.64	$866.58 - $992.82
Q4 2023	100,601	$88,357	$818.96	$764.95 - $894.90
Q3 2023	95,796	$78,836	$781.58	$684.72 - $842.83
Q2 2023	110,346	$79,288	$766.75	$681.03 - $832.93
Q1 2023	107,659	$88,460	$750.05	$664.32 - $830.39
Q4 2022	112,805	$81,388	$733.79	$690.81 - $774.70
Q3 2022	119,153	$82,081	$625.92	$560.71 - $750.51
Q2 2022	108,710	$64,262	$646.43	$535.04 - $743.30
Q1 2022	102,341	$71,477	$629.16	$589.59 - $706.29
Q4 2021	55,513	$35,058	$611.44	$536.21 - $670.14
Q3 2021	86,062	$52,083	$617.39	$551.89 - $682.83
Q2 2021	62,046	$34,655	$503.83	$466.78 - $566.85
Q1 2021	63,166	$29,886	$484.19	$438.57 - $555.83
Q4 2020	67,800	$32,755	$536.82	$468.18 - $616.55
Q3 2020	40,400	$22,615	$602.99	$537.02 - $660.97
Q2 2020	32,200	$20,082	$564.49	$473.82 - $642.77
Q1 2020	61,700	$30,127	$410.21	$326.32 - $515.14
Q4 2019	56,900	$21,365	$334.59	$270.76 - $380.14
Q3 2019	41,500	$11,512	$294.28	$269.87 - $318.99
Q2 2019	35,800	$11,205	$331.08	$293.64 - $413.60
Q1 2019	41,500	$17,041	$409.51	$363.99 - $439.56
Q4 2018	35,212	$13,152	$364.00	$325.77 - $407.74
Q3 2018	23,733	$9,589	$378.49	$340.69 - $414.19
Q2 2018	42,842	$14,780	$311.03	$280.34 - $347.31
Q1 2018	44,702	$15,394	$345.90	$311.80 - $394.59
Q4 2017	31,481	$11,836	$402.77	$351.19 - $474.37
Q3 2017	19,581	$8,755	$473.21	$424.12 - $523.22
Q2 2017	22,991	$11,292	$435.19	$358.01 - $540.55
Q1 2017	298	$115	$368.62	$338.21 - $399.00
Q4 2016	92	$34	$378.17	$323.56 - $450.46
Q3 2016	8,371	$3,365	$398.92	$346.51 - $441.54
Q4 2015	21,900	$11,888	$538.82	$445.63 - $589.32
Q3 2015	19,600	$9,116	$534.07	$433.12 - $602.59
Q2 2015	27,500	$14,029	$485.93	$431.08 - $541.00
Q1 2015	28,300	$12,777	$421.46	$390.83 - $492.77
Q4 2014	9,700	$3,979	$391.09	$318.29 - $435.23
Q3 2014	8,800	$3,173	$333.32	$283.49 - $367.27
Q2 2014	35,000	$9,886	$294.74	$268.01 - $318.24
Q1 2014	11,600	$3,483	$306.39	$261.52 - $350.55
Q4 2013	10,700	$2,945	$286.03	$256.27 - $317.74
Q3 2013	9,200	$2,878	$261.58	$224.53 - $318.07
Q2 2013	1,100	$247	$231.58	$176.14 - $282.42