REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM's Holding History (CIK: 0000919079)

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

Q4 2025

Shares 201,090 Value ($000) $155,215 Avg Close $678.68 Range $540.32 - $792.77

Q3 2025

Shares 203,114 Value ($000) $114,205 Avg Close $564.28 Range $519.56 - $609.69

Q2 2025

Shares 314,716 Value ($000) $165,226 Avg Close $556.12 Range $475.17 - $638.52

Q1 2025

Shares 473,450 Value ($000) $300,276 Avg Close $684.44 Range $615.89 - $745.12

Q4 2024

Shares 363,496 Value ($000) $258,929 Avg Close $834.60 Range $689.18 - $1055.74

Q3 2024

Shares 371,638 Value ($000) $390,681 Avg Close $1106.73 Range $1002.85 - $1204.52

Q2 2024

Shares 376,929 Value ($000) $396,164 Avg Close $964.05 Range $870.40 - $1075.21

Q1 2024

Shares 407,058 Value ($000) $391,789 Avg Close $945.64 Range $866.58 - $992.82

Q4 2023

Shares 412,507 Value ($000) $362,301 Avg Close $818.96 Range $764.95 - $894.90

Q3 2023

Shares 420,244 Value ($000) $345,844 Avg Close $781.58 Range $684.72 - $842.83

Q2 2023

Shares 558,764 Value ($000) $401,494 Avg Close $766.75 Range $681.03 - $832.93

Q1 2023

Shares 573,812 Value ($000) $471,484 Avg Close $750.05 Range $664.32 - $830.39

Q4 2022

Shares 613,076 Value ($000) $442,328 Avg Close $733.79 Range $690.81 - $774.70

Q3 2022

Shares 743,197 Value ($000) $511,966 Avg Close $625.92 Range $560.71 - $750.51

Q2 2022

Shares 765,883 Value ($000) $452,736 Avg Close $646.43 Range $535.04 - $743.30

Q1 2022

Shares 775,940 Value ($000) $541,932 Avg Close $629.16 Range $589.59 - $706.29

Q4 2021

Shares 783,412 Value ($000) $494,740 Avg Close $611.44 Range $536.21 - $670.14

Q3 2021

Shares 802,679 Value ($000) $485,765 Avg Close $617.39 Range $551.89 - $682.83

Q2 2021

Shares 795,750 Value ($000) $444,458 Avg Close $503.83 Range $466.78 - $566.85

Q1 2021

Shares 792,236 Value ($000) $374,839 Avg Close $484.19 Range $438.57 - $555.83

Q4 2020

Shares 828,623 Value ($000) $400,316 Avg Close $536.82 Range $468.18 - $616.55

Q3 2020

Shares 830,801 Value ($000) $465,066 Avg Close $602.99 Range $537.02 - $660.97

Q2 2020

Shares 837,998 Value ($000) $522,617 Avg Close $564.49 Range $473.82 - $642.77

Q1 2020

Shares 183,991 Value ($000) $89,841 Avg Close $410.21 Range $326.32 - $515.14

Q4 2019

Shares 194,425 Value ($000) $73,003 Avg Close $334.59 Range $270.76 - $380.14

Q3 2019

Shares 183,828 Value ($000) $50,994 Avg Close $294.28 Range $269.87 - $318.99

Q2 2019

Shares 133,072 Value ($000) $41,652 Avg Close $331.08 Range $293.64 - $413.60

Q1 2019

Shares 142,335 Value ($000) $58,446 Avg Close $409.51 Range $363.99 - $439.56

Q4 2018

Shares 145,813 Value ($000) $54,461 Avg Close $364.00 Range $325.77 - $407.74

Q3 2018

Shares 165,141 Value ($000) $66,724 Avg Close $378.49 Range $340.69 - $414.19

Q2 2018

Shares 177,435 Value ($000) $61,213 Avg Close $311.03 Range $280.34 - $347.31

Q1 2018

Shares 185,868 Value ($000) $64,006 Avg Close $345.90 Range $311.80 - $394.59

Q4 2017

Shares 184,939 Value ($000) $69,530 Avg Close $402.77 Range $351.19 - $474.37

Q3 2017

Shares 174,029 Value ($000) $77,812 Avg Close $473.21 Range $424.12 - $523.22

Q2 2017

Shares 172,600 Value ($000) $84,771 Avg Close $435.19 Range $358.01 - $540.55

Q1 2017

Shares 169,600 Value ($000) $65,722 Avg Close $368.62 Range $338.21 - $399.00

Q4 2016

Shares 176,300 Value ($000) $64,718 Avg Close $378.17 Range $323.56 - $450.46

Q3 2016

Shares 169,800 Value ($000) $68,263 Avg Close $398.92 Range $346.51 - $441.54

Q2 2016

Shares 185,500 Value ($000) $64,782 Avg Close $383.00 Range $327.27 - $431.54

Q1 2016

Shares 196,800 Value ($000) $70,935 Avg Close $409.79 Range $347.04 - $529.97

Q4 2015

Shares 209,100 Value ($000) $113,514 Avg Close $538.82 Range $445.63 - $589.32

Q3 2015

Shares 209,000 Value ($000) $97,214 Avg Close $534.07 Range $433.12 - $602.59

Q2 2015

Shares 209,000 Value ($000) $106,617 Avg Close $485.93 Range $431.08 - $541.00

Q1 2015

Shares 194,500 Value ($000) $80,861 Avg Close $421.46 Range $390.83 - $492.77

Q4 2014

Shares 194,500 Value ($000) $80,861 Avg Close $391.09 Range $318.29 - $435.23

Q3 2014

Shares 206,848 Value ($000) $74,573 Avg Close $333.32 Range $283.49 - $367.27

Q2 2014

Shares 199,801 Value ($000) $56,438 Avg Close $294.74 Range $268.01 - $318.24

Q1 2014

Shares 221,670 Value ($000) $63,495 Avg Close $306.39 Range $261.52 - $350.55

Q4 2013

Shares 234,354 Value ($000) $65,300 Avg Close $286.03 Range $256.27 - $317.74

Q3 2013

Shares 189,500 Value ($000) $59,289 Avg Close $261.58 Range $224.53 - $318.07

Q2 2013

Shares 186,431 Value ($000) $41,925 Avg Close $231.58 Range $176.14 - $282.42

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	201,090	$155,215	$678.68	$540.32 - $792.77
Q3 2025	203,114	$114,205	$564.28	$519.56 - $609.69
Q2 2025	314,716	$165,226	$556.12	$475.17 - $638.52
Q1 2025	473,450	$300,276	$684.44	$615.89 - $745.12
Q4 2024	363,496	$258,929	$834.60	$689.18 - $1055.74
Q3 2024	371,638	$390,681	$1106.73	$1002.85 - $1204.52
Q2 2024	376,929	$396,164	$964.05	$870.40 - $1075.21
Q1 2024	407,058	$391,789	$945.64	$866.58 - $992.82
Q4 2023	412,507	$362,301	$818.96	$764.95 - $894.90
Q3 2023	420,244	$345,844	$781.58	$684.72 - $842.83
Q2 2023	558,764	$401,494	$766.75	$681.03 - $832.93
Q1 2023	573,812	$471,484	$750.05	$664.32 - $830.39
Q4 2022	613,076	$442,328	$733.79	$690.81 - $774.70
Q3 2022	743,197	$511,966	$625.92	$560.71 - $750.51
Q2 2022	765,883	$452,736	$646.43	$535.04 - $743.30
Q1 2022	775,940	$541,932	$629.16	$589.59 - $706.29
Q4 2021	783,412	$494,740	$611.44	$536.21 - $670.14
Q3 2021	802,679	$485,765	$617.39	$551.89 - $682.83
Q2 2021	795,750	$444,458	$503.83	$466.78 - $566.85
Q1 2021	792,236	$374,839	$484.19	$438.57 - $555.83
Q4 2020	828,623	$400,316	$536.82	$468.18 - $616.55
Q3 2020	830,801	$465,066	$602.99	$537.02 - $660.97
Q2 2020	837,998	$522,617	$564.49	$473.82 - $642.77
Q1 2020	183,991	$89,841	$410.21	$326.32 - $515.14
Q4 2019	194,425	$73,003	$334.59	$270.76 - $380.14
Q3 2019	183,828	$50,994	$294.28	$269.87 - $318.99
Q2 2019	133,072	$41,652	$331.08	$293.64 - $413.60
Q1 2019	142,335	$58,446	$409.51	$363.99 - $439.56
Q4 2018	145,813	$54,461	$364.00	$325.77 - $407.74
Q3 2018	165,141	$66,724	$378.49	$340.69 - $414.19
Q2 2018	177,435	$61,213	$311.03	$280.34 - $347.31
Q1 2018	185,868	$64,006	$345.90	$311.80 - $394.59
Q4 2017	184,939	$69,530	$402.77	$351.19 - $474.37
Q3 2017	174,029	$77,812	$473.21	$424.12 - $523.22
Q2 2017	172,600	$84,771	$435.19	$358.01 - $540.55
Q1 2017	169,600	$65,722	$368.62	$338.21 - $399.00
Q4 2016	176,300	$64,718	$378.17	$323.56 - $450.46
Q3 2016	169,800	$68,263	$398.92	$346.51 - $441.54
Q2 2016	185,500	$64,782	$383.00	$327.27 - $431.54
Q1 2016	196,800	$70,935	$409.79	$347.04 - $529.97
Q4 2015	209,100	$113,514	$538.82	$445.63 - $589.32
Q3 2015	209,000	$97,214	$534.07	$433.12 - $602.59
Q2 2015	209,000	$106,617	$485.93	$431.08 - $541.00
Q1 2015	194,500	$80,861	$421.46	$390.83 - $492.77
Q4 2014	194,500	$80,861	$391.09	$318.29 - $435.23
Q3 2014	206,848	$74,573	$333.32	$283.49 - $367.27
Q2 2014	199,801	$56,438	$294.74	$268.01 - $318.24
Q1 2014	221,670	$63,495	$306.39	$261.52 - $350.55
Q4 2013	234,354	$65,300	$286.03	$256.27 - $317.74
Q3 2013	189,500	$59,289	$261.58	$224.53 - $318.07
Q2 2013	186,431	$41,925	$231.58	$176.14 - $282.42