REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

Arizona State Retirement System's Holding History (CIK: 0001558481)

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

Q4 2025

Shares 29,232 Value ($000) $22,563 Avg Close $678.68 Range $540.32 - $792.77

Q3 2025

Shares 30,998 Value ($000) $17,429 Avg Close $564.28 Range $519.56 - $609.69

Q2 2025

Shares 31,222 Value ($000) $16,392 Avg Close $556.12 Range $475.17 - $638.52

Q1 2025

Shares 31,684 Value ($000) $20,095 Avg Close $684.44 Range $615.89 - $745.12

Q4 2024

Shares 31,224 Value ($000) $22,242 Avg Close $834.60 Range $689.18 - $1055.74

Q3 2024

Shares 31,039 Value ($000) $32,629 Avg Close $1106.73 Range $1002.85 - $1204.52

Q2 2024

Shares 31,293 Value ($000) $32,890 Avg Close $964.05 Range $870.40 - $1075.21

Q1 2024

Shares 30,743 Value ($000) $29,590 Avg Close $945.64 Range $866.58 - $992.82

Q4 2023

Shares 30,031 Value ($000) $26,376 Avg Close $818.96 Range $764.95 - $894.90

Q3 2023

Shares 30,539 Value ($000) $25,132 Avg Close $781.58 Range $684.72 - $842.83

Q2 2023

Shares 30,731 Value ($000) $22,081 Avg Close $766.75 Range $681.03 - $832.93

Q1 2023

Shares 29,238 Value ($000) $24,024 Avg Close $750.05 Range $664.32 - $830.39

Q4 2022

Shares 29,207 Value ($000) $21,073 Avg Close $733.79 Range $690.81 - $774.70

Q3 2022

Shares 29,365 Value ($000) $20,229 Avg Close $625.92 Range $560.71 - $750.51

Q2 2022

Shares 29,277 Value ($000) $17,307 Avg Close $646.43 Range $535.04 - $743.30

Q1 2022

Shares 29,009 Value ($000) $20,260 Avg Close $629.16 Range $589.59 - $706.29

Q4 2021

Shares 28,787 Value ($000) $18,180 Avg Close $611.44 Range $536.21 - $670.14

Q3 2021

Shares 29,190 Value ($000) $17,665 Avg Close $617.39 Range $551.89 - $682.83

Q2 2021

Shares 29,498 Value ($000) $16,476 Avg Close $503.83 Range $466.78 - $566.85

Q1 2021

Shares 29,549 Value ($000) $13,981 Avg Close $484.19 Range $438.57 - $555.83

Q4 2020

Shares 30,163 Value ($000) $14,572 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 23,694 Value ($000) $14,777 Avg Close $564.49 Range $473.82 - $642.77

Q1 2020

Shares 14,557 Value ($000) $7,108 Avg Close $410.21 Range $326.32 - $515.14

Q4 2019

Shares 15,000 Value ($000) $5,632 Avg Close $334.59 Range $270.76 - $380.14

Q3 2019

Shares 14,921 Value ($000) $4,139 Avg Close $294.28 Range $269.87 - $318.99

Q2 2019

Shares 14,957 Value ($000) $4,682 Avg Close $331.08 Range $293.64 - $413.60

Q1 2019

Shares 15,050 Value ($000) $6,180 Avg Close $409.51 Range $363.99 - $439.56

Q4 2018

Shares 15,947 Value ($000) $5,956 Avg Close $364.00 Range $325.77 - $407.74

Q3 2018

Shares 19,205 Value ($000) $7,760 Avg Close $378.49 Range $340.69 - $414.19

Q2 2018

Shares 19,010 Value ($000) $6,558 Avg Close $311.03 Range $280.34 - $347.31

Q1 2018

Shares 19,118 Value ($000) $6,583 Avg Close $345.90 Range $311.80 - $394.59

Q4 2017

Shares 19,518 Value ($000) $7,338 Avg Close $402.77 Range $351.19 - $474.37

Q3 2017

Shares 19,000 Value ($000) $8,495 Avg Close $473.21 Range $424.12 - $523.22

Q2 2017

Shares 18,900 Value ($000) $9,283 Avg Close $435.19 Range $358.01 - $540.55

Q1 2017

Shares 18,800 Value ($000) $7,285 Avg Close $368.62 Range $338.21 - $399.00

Q4 2016

Shares 18,700 Value ($000) $6,865 Avg Close $378.17 Range $323.56 - $450.46

Q3 2016

Shares 18,600 Value ($000) $7,478 Avg Close $398.92 Range $346.51 - $441.54

Q2 2016

Shares 19,100 Value ($000) $6,670 Avg Close $383.00 Range $327.27 - $431.54

Q1 2016

Shares 21,200 Value ($000) $7,641 Avg Close $409.79 Range $347.04 - $529.97

Q4 2015

Shares 20,900 Value ($000) $11,346 Avg Close $538.82 Range $445.63 - $589.32

Q3 2015

Shares 21,200 Value ($000) $9,861 Avg Close $534.07 Range $433.12 - $602.59

Q4 2014

Shares 20,800 Value ($000) $8,533 Avg Close $391.09 Range $318.29 - $435.23

Q3 2014

Shares 20,500 Value ($000) $7,390 Avg Close $333.32 Range $283.49 - $367.27

Q2 2014

Shares 22,800 Value ($000) $6,440 Avg Close $294.74 Range $268.01 - $318.24

Q1 2014

Shares 21,900 Value ($000) $6,576 Avg Close $306.39 Range $261.52 - $350.55

Q4 2013

Shares 22,500 Value ($000) $6,192 Avg Close $286.03 Range $256.27 - $317.74

Q3 2013

Shares 22,900 Value ($000) $7,164 Avg Close $261.58 Range $224.53 - $318.07

Q2 2013

Shares 22,200 Value ($000) $4,992 Avg Close $231.58 Range $176.14 - $282.42

Q1 2013

Shares 57,700 Value ($000) $10,178 Avg Close $170.72 Range $153.31 - $184.76

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	29,232	$22,563	$678.68	$540.32 - $792.77
Q3 2025	30,998	$17,429	$564.28	$519.56 - $609.69
Q2 2025	31,222	$16,392	$556.12	$475.17 - $638.52
Q1 2025	31,684	$20,095	$684.44	$615.89 - $745.12
Q4 2024	31,224	$22,242	$834.60	$689.18 - $1055.74
Q3 2024	31,039	$32,629	$1106.73	$1002.85 - $1204.52
Q2 2024	31,293	$32,890	$964.05	$870.40 - $1075.21
Q1 2024	30,743	$29,590	$945.64	$866.58 - $992.82
Q4 2023	30,031	$26,376	$818.96	$764.95 - $894.90
Q3 2023	30,539	$25,132	$781.58	$684.72 - $842.83
Q2 2023	30,731	$22,081	$766.75	$681.03 - $832.93
Q1 2023	29,238	$24,024	$750.05	$664.32 - $830.39
Q4 2022	29,207	$21,073	$733.79	$690.81 - $774.70
Q3 2022	29,365	$20,229	$625.92	$560.71 - $750.51
Q2 2022	29,277	$17,307	$646.43	$535.04 - $743.30
Q1 2022	29,009	$20,260	$629.16	$589.59 - $706.29
Q4 2021	28,787	$18,180	$611.44	$536.21 - $670.14
Q3 2021	29,190	$17,665	$617.39	$551.89 - $682.83
Q2 2021	29,498	$16,476	$503.83	$466.78 - $566.85
Q1 2021	29,549	$13,981	$484.19	$438.57 - $555.83
Q4 2020	30,163	$14,572	$536.82	$468.18 - $616.55
Q3 2020	30,675	$17,171	$602.99	$537.02 - $660.97
Q2 2020	23,694	$14,777	$564.49	$473.82 - $642.77
Q1 2020	14,557	$7,108	$410.21	$326.32 - $515.14
Q4 2019	15,000	$5,632	$334.59	$270.76 - $380.14
Q3 2019	14,921	$4,139	$294.28	$269.87 - $318.99
Q2 2019	14,957	$4,682	$331.08	$293.64 - $413.60
Q1 2019	15,050	$6,180	$409.51	$363.99 - $439.56
Q4 2018	15,947	$5,956	$364.00	$325.77 - $407.74
Q3 2018	19,205	$7,760	$378.49	$340.69 - $414.19
Q2 2018	19,010	$6,558	$311.03	$280.34 - $347.31
Q1 2018	19,118	$6,583	$345.90	$311.80 - $394.59
Q4 2017	19,518	$7,338	$402.77	$351.19 - $474.37
Q3 2017	19,000	$8,495	$473.21	$424.12 - $523.22
Q2 2017	18,900	$9,283	$435.19	$358.01 - $540.55
Q1 2017	18,800	$7,285	$368.62	$338.21 - $399.00
Q4 2016	18,700	$6,865	$378.17	$323.56 - $450.46
Q3 2016	18,600	$7,478	$398.92	$346.51 - $441.54
Q2 2016	19,100	$6,670	$383.00	$327.27 - $431.54
Q1 2016	21,200	$7,641	$409.79	$347.04 - $529.97
Q4 2015	20,900	$11,346	$538.82	$445.63 - $589.32
Q3 2015	21,200	$9,861	$534.07	$433.12 - $602.59
Q4 2014	20,800	$8,533	$391.09	$318.29 - $435.23
Q3 2014	20,500	$7,390	$333.32	$283.49 - $367.27
Q2 2014	22,800	$6,440	$294.74	$268.01 - $318.24
Q1 2014	21,900	$6,576	$306.39	$261.52 - $350.55
Q4 2013	22,500	$6,192	$286.03	$256.27 - $317.74
Q3 2013	22,900	$7,164	$261.58	$224.53 - $318.07
Q2 2013	22,200	$4,992	$231.58	$176.14 - $282.42
Q1 2013	57,700	$10,178	$170.72	$153.31 - $184.76