REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

TEACHER RETIREMENT SYSTEM OF TEXAS's Holding History (CIK: 0000796848)

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

Q4 2025

Shares 24,932 Value ($000) $19,244 Avg Close $678.68 Range $540.32 - $792.77

Q3 2025

Shares 28,383 Value ($000) $15,959 Avg Close $564.28 Range $519.56 - $609.69

Q2 2025

Shares 30,941 Value ($000) $16,244 Avg Close $556.12 Range $475.17 - $638.52

Q1 2025

Shares 33,077 Value ($000) $20,978 Avg Close $684.44 Range $615.89 - $745.12

Q4 2024

Shares 38,932 Value ($000) $28 Avg Close $834.60 Range $689.18 - $1055.74

Q3 2024

Shares 29,378 Value ($000) $31 Avg Close $1106.73 Range $1002.85 - $1204.52

Q2 2024

Shares 24,761 Value ($000) $26 Avg Close $964.05 Range $870.40 - $1075.21

Q1 2024

Shares 24,358 Value ($000) $23 Avg Close $945.64 Range $866.58 - $992.82

Q4 2023

Shares 24,967 Value ($000) $22 Avg Close $818.96 Range $764.95 - $894.90

Q3 2023

Shares 28,558 Value ($000) $24 Avg Close $781.58 Range $684.72 - $842.83

Q2 2023

Shares 27,991 Value ($000) $20 Avg Close $766.75 Range $681.03 - $832.93

Q1 2023

Shares 25,056 Value ($000) $21 Avg Close $750.05 Range $664.32 - $830.39

Q4 2022

Shares 17,389 Value ($000) $13 Avg Close $733.79 Range $690.81 - $774.70

Q3 2022

Shares 26,834 Value ($000) $18,485 Avg Close $625.92 Range $560.71 - $750.51

Q2 2022

Shares 38,987 Value ($000) $23,046 Avg Close $646.43 Range $535.04 - $743.30

Q1 2022

Shares 78,655 Value ($000) $54,934 Avg Close $629.16 Range $589.59 - $706.29

Q4 2021

Shares 102,712 Value ($000) $64,865 Avg Close $611.44 Range $536.21 - $670.14

Q3 2021

Shares 34,926 Value ($000) $21,137 Avg Close $617.39 Range $551.89 - $682.83

Q2 2021

Shares 28,257 Value ($000) $15,783 Avg Close $503.83 Range $466.78 - $566.85

Q1 2021

Shares 26,243 Value ($000) $12,417 Avg Close $484.19 Range $438.57 - $555.83

Q4 2020

Shares 27,491 Value ($000) $13,281 Avg Close $536.82 Range $468.18 - $616.55

Q3 2020

Shares 25,886 Value ($000) $14,490 Avg Close $602.99 Range $537.02 - $660.97

Q2 2020

Shares 4,075 Value ($000) $2,541 Avg Close $564.49 Range $473.82 - $642.77

Q2 2019

Shares 45,183 Value ($000) $14,142 Avg Close $331.08 Range $293.64 - $413.60

Q1 2019

Shares 34,763 Value ($000) $14,274 Avg Close $409.51 Range $363.99 - $439.56

Q4 2018

Shares 1,087 Value ($000) $406 Avg Close $364.00 Range $325.77 - $407.74

Q3 2018

Shares 9,356 Value ($000) $3,780 Avg Close $378.49 Range $340.69 - $414.19

Q2 2018

Shares 32,779 Value ($000) $11,308 Avg Close $311.03 Range $280.34 - $347.31

Q1 2018

Shares 34,660 Value ($000) $11,936 Avg Close $345.90 Range $311.80 - $394.59

Q4 2017

Shares 37,721 Value ($000) $14,182 Avg Close $402.77 Range $351.19 - $474.37

Q3 2017

Shares 38,772 Value ($000) $17,336 Avg Close $473.21 Range $424.12 - $523.22

Q2 2017

Shares 38,459 Value ($000) $18,889 Avg Close $435.19 Range $358.01 - $540.55

Q1 2017

Shares 38,531 Value ($000) $14,931 Avg Close $368.62 Range $338.21 - $399.00

Q4 2016

Shares 44,156 Value ($000) $16,209 Avg Close $378.17 Range $323.56 - $450.46

Q3 2016

Shares 46,813 Value ($000) $18,820 Avg Close $398.92 Range $346.51 - $441.54

Q2 2016

Shares 121,263 Value ($000) $42,349 Avg Close $383.00 Range $327.27 - $431.54

Q1 2016

Shares 137,788 Value ($000) $49,664 Avg Close $409.79 Range $347.04 - $529.97

Q4 2015

Shares 135,428 Value ($000) $73,520 Avg Close $538.82 Range $445.63 - $589.32

Q3 2015

Shares 137,597 Value ($000) $64,002 Avg Close $534.07 Range $433.12 - $602.59

Q2 2015

Shares 175,837 Value ($000) $89,700 Avg Close $485.93 Range $431.08 - $541.00

Q1 2015

Shares 183,599 Value ($000) $82,891 Avg Close $421.46 Range $390.83 - $492.77

Q4 2014

Shares 183,542 Value ($000) $75,298 Avg Close $391.09 Range $318.29 - $435.23

Q3 2014

Shares 181,258 Value ($000) $65,347 Avg Close $333.32 Range $283.49 - $367.27

Q2 2014

Shares 185,305 Value ($000) $52,343 Avg Close $294.74 Range $268.01 - $318.24

Q1 2014

Shares 181,321 Value ($000) $54,447 Avg Close $306.39 Range $261.52 - $350.55

Q4 2013

Shares 191,946 Value ($000) $52,831 Avg Close $286.03 Range $256.27 - $317.74

Q3 2013

Shares 3,230 Value ($000) $1,011 Avg Close $261.58 Range $224.53 - $318.07

Q2 2013

Shares 884 Value ($000) $199 Avg Close $231.58 Range $176.14 - $282.42

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	24,932	$19,244	$678.68	$540.32 - $792.77
Q3 2025	28,383	$15,959	$564.28	$519.56 - $609.69
Q2 2025	30,941	$16,244	$556.12	$475.17 - $638.52
Q1 2025	33,077	$20,978	$684.44	$615.89 - $745.12
Q4 2024	38,932	$28	$834.60	$689.18 - $1055.74
Q3 2024	29,378	$31	$1106.73	$1002.85 - $1204.52
Q2 2024	24,761	$26	$964.05	$870.40 - $1075.21
Q1 2024	24,358	$23	$945.64	$866.58 - $992.82
Q4 2023	24,967	$22	$818.96	$764.95 - $894.90
Q3 2023	28,558	$24	$781.58	$684.72 - $842.83
Q2 2023	27,991	$20	$766.75	$681.03 - $832.93
Q1 2023	25,056	$21	$750.05	$664.32 - $830.39
Q4 2022	17,389	$13	$733.79	$690.81 - $774.70
Q3 2022	26,834	$18,485	$625.92	$560.71 - $750.51
Q2 2022	38,987	$23,046	$646.43	$535.04 - $743.30
Q1 2022	78,655	$54,934	$629.16	$589.59 - $706.29
Q4 2021	102,712	$64,865	$611.44	$536.21 - $670.14
Q3 2021	34,926	$21,137	$617.39	$551.89 - $682.83
Q2 2021	28,257	$15,783	$503.83	$466.78 - $566.85
Q1 2021	26,243	$12,417	$484.19	$438.57 - $555.83
Q4 2020	27,491	$13,281	$536.82	$468.18 - $616.55
Q3 2020	25,886	$14,490	$602.99	$537.02 - $660.97
Q2 2020	4,075	$2,541	$564.49	$473.82 - $642.77
Q2 2019	45,183	$14,142	$331.08	$293.64 - $413.60
Q1 2019	34,763	$14,274	$409.51	$363.99 - $439.56
Q4 2018	1,087	$406	$364.00	$325.77 - $407.74
Q3 2018	9,356	$3,780	$378.49	$340.69 - $414.19
Q2 2018	32,779	$11,308	$311.03	$280.34 - $347.31
Q1 2018	34,660	$11,936	$345.90	$311.80 - $394.59
Q4 2017	37,721	$14,182	$402.77	$351.19 - $474.37
Q3 2017	38,772	$17,336	$473.21	$424.12 - $523.22
Q2 2017	38,459	$18,889	$435.19	$358.01 - $540.55
Q1 2017	38,531	$14,931	$368.62	$338.21 - $399.00
Q4 2016	44,156	$16,209	$378.17	$323.56 - $450.46
Q3 2016	46,813	$18,820	$398.92	$346.51 - $441.54
Q2 2016	121,263	$42,349	$383.00	$327.27 - $431.54
Q1 2016	137,788	$49,664	$409.79	$347.04 - $529.97
Q4 2015	135,428	$73,520	$538.82	$445.63 - $589.32
Q3 2015	137,597	$64,002	$534.07	$433.12 - $602.59
Q2 2015	175,837	$89,700	$485.93	$431.08 - $541.00
Q1 2015	183,599	$82,891	$421.46	$390.83 - $492.77
Q4 2014	183,542	$75,298	$391.09	$318.29 - $435.23
Q3 2014	181,258	$65,347	$333.32	$283.49 - $367.27
Q2 2014	185,305	$52,343	$294.74	$268.01 - $318.24
Q1 2014	181,321	$54,447	$306.39	$261.52 - $350.55
Q4 2013	191,946	$52,831	$286.03	$256.27 - $317.74
Q3 2013	3,230	$1,011	$261.58	$224.53 - $318.07
Q2 2013	884	$199	$231.58	$176.14 - $282.42