REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

M&T Bank Corp's Holding History (CIK: 0000036270)

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

Q4 2025

Shares 6,435 Value ($000) $4,966 Avg Close $678.68 Range $540.32 - $792.77

Q3 2025

Shares 5,339 Value ($000) $3,002 Avg Close $564.28 Range $519.56 - $609.69

Q2 2025

Shares 5,929 Value ($000) $3,113 Avg Close $556.12 Range $475.17 - $638.52

Q1 2025

Shares 5,086 Value ($000) $3,225 Avg Close $684.44 Range $615.89 - $745.12

Q4 2024

Shares 5,368 Value ($000) $3,825 Avg Close $834.60 Range $689.18 - $1055.74

Q3 2024

Shares 5,480 Value ($000) $5,761 Avg Close $1106.73 Range $1002.85 - $1204.52

Q2 2024

Shares 5,256 Value ($000) $5,524 Avg Close $964.05 Range $870.40 - $1075.21

Q1 2024

Shares 5,570 Value ($000) $5,361 Avg Close $945.64 Range $866.58 - $992.82

Q4 2023

Shares 5,329 Value ($000) $4,681 Avg Close $818.96 Range $764.95 - $894.90

Q3 2023

Shares 5,423 Value ($000) $4,463 Avg Close $781.58 Range $684.72 - $842.83

Q2 2023

Shares 5,398 Value ($000) $3,878 Avg Close $766.75 Range $681.03 - $832.93

Q1 2023

Shares 5,396 Value ($000) $4,434 Avg Close $750.05 Range $664.32 - $830.39

Q4 2022

Shares 4,497 Value ($000) $3,245 Avg Close $733.79 Range $690.81 - $774.70

Q3 2022

Shares 5,192 Value ($000) $3,576 Avg Close $625.92 Range $560.71 - $750.51

Q2 2022

Shares 5,920 Value ($000) $2,866 Avg Close $646.43 Range $535.04 - $743.30

Q1 2022

Shares 4,258 Value ($000) $2,975 Avg Close $629.16 Range $589.59 - $706.29

Q4 2021

Shares 4,233 Value ($000) $2,674 Avg Close $611.44 Range $536.21 - $670.14

Q3 2021

Shares 4,214 Value ($000) $2,550 Avg Close $617.39 Range $551.89 - $682.83

Q2 2021

Shares 4,062 Value ($000) $2,270 Avg Close $503.83 Range $466.78 - $566.85

Q1 2021

Shares 4,096 Value ($000) $1,938 Avg Close $484.19 Range $438.57 - $555.83

Q4 2020

Shares 5,585 Value ($000) $2,699 Avg Close $536.82 Range $468.18 - $616.55

Q3 2020

Shares 6,216 Value ($000) $3,479 Avg Close $602.99 Range $537.02 - $660.97

Q2 2020

Shares 7,252 Value ($000) $4,523 Avg Close $564.49 Range $473.82 - $642.77

Q1 2020

Shares 8,100 Value ($000) $3,954 Avg Close $410.21 Range $326.32 - $515.14

Q4 2019

Shares 9,006 Value ($000) $3,382 Avg Close $334.59 Range $270.76 - $380.14

Q3 2019

Shares 8,461 Value ($000) $2,347 Avg Close $294.28 Range $269.87 - $318.99

Q2 2019

Shares 4,852 Value ($000) $1,518 Avg Close $331.08 Range $293.64 - $413.60

Q1 2019

Shares 6,401 Value ($000) $2,628 Avg Close $409.51 Range $363.99 - $439.56

Q4 2018

Shares 6,416 Value ($000) $2,395 Avg Close $364.00 Range $325.77 - $407.74

Q3 2018

Shares 7,789 Value ($000) $3,147 Avg Close $378.49 Range $340.69 - $414.19

Q2 2018

Shares 7,443 Value ($000) $2,567 Avg Close $311.03 Range $280.34 - $347.31

Q1 2018

Shares 8,113 Value ($000) $2,794 Avg Close $345.90 Range $311.80 - $394.59

Q4 2017

Shares 15,227 Value ($000) $5,725 Avg Close $402.77 Range $351.19 - $474.37

Q3 2017

Shares 17,568 Value ($000) $7,855 Avg Close $473.21 Range $424.12 - $523.22

Q2 2017

Shares 19,476 Value ($000) $9,566 Avg Close $435.19 Range $358.01 - $540.55

Q1 2017

Shares 23,319 Value ($000) $9,035 Avg Close $368.62 Range $338.21 - $399.00

Q4 2016

Shares 49,947 Value ($000) $18,335 Avg Close $378.17 Range $323.56 - $450.46

Q3 2016

Shares 52,019 Value ($000) $20,913 Avg Close $398.92 Range $346.51 - $441.54

Q2 2016

Shares 56,865 Value ($000) $19,857 Avg Close $383.00 Range $327.27 - $431.54

Q1 2016

Shares 52,047 Value ($000) $18,759 Avg Close $409.79 Range $347.04 - $529.97

Q4 2015

Shares 50,766 Value ($000) $27,558 Avg Close $538.82 Range $445.63 - $589.32

Q3 2015

Shares 47,492 Value ($000) $22,092 Avg Close $534.07 Range $433.12 - $602.59

Q2 2015

Shares 50,681 Value ($000) $25,853 Avg Close $485.93 Range $431.08 - $541.00

Q1 2015

Shares 61,151 Value ($000) $27,608 Avg Close $421.46 Range $390.83 - $492.77

Q4 2014

Shares 59,668 Value ($000) $24,479 Avg Close $391.09 Range $318.29 - $435.23

Q3 2014

Shares 63,122 Value ($000) $22,758 Avg Close $333.32 Range $283.49 - $367.27

Q2 2014

Shares 13,989 Value ($000) $3,952 Avg Close $294.74 Range $268.01 - $318.24

Q1 2014

Shares 4,000 Value ($000) $1,201 Avg Close $306.39 Range $261.52 - $350.55

Q4 2013

Shares 4,049 Value ($000) $1,114 Avg Close $286.03 Range $256.27 - $317.74

Q3 2013

Shares 5,156 Value ($000) $1,613 Avg Close $261.58 Range $224.53 - $318.07

Q2 2013

Shares 6,376 Value ($000) $1,434 Avg Close $231.58 Range $176.14 - $282.42

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,435	$4,966	$678.68	$540.32 - $792.77
Q3 2025	5,339	$3,002	$564.28	$519.56 - $609.69
Q2 2025	5,929	$3,113	$556.12	$475.17 - $638.52
Q1 2025	5,086	$3,225	$684.44	$615.89 - $745.12
Q4 2024	5,368	$3,825	$834.60	$689.18 - $1055.74
Q3 2024	5,480	$5,761	$1106.73	$1002.85 - $1204.52
Q2 2024	5,256	$5,524	$964.05	$870.40 - $1075.21
Q1 2024	5,570	$5,361	$945.64	$866.58 - $992.82
Q4 2023	5,329	$4,681	$818.96	$764.95 - $894.90
Q3 2023	5,423	$4,463	$781.58	$684.72 - $842.83
Q2 2023	5,398	$3,878	$766.75	$681.03 - $832.93
Q1 2023	5,396	$4,434	$750.05	$664.32 - $830.39
Q4 2022	4,497	$3,245	$733.79	$690.81 - $774.70
Q3 2022	5,192	$3,576	$625.92	$560.71 - $750.51
Q2 2022	5,920	$2,866	$646.43	$535.04 - $743.30
Q1 2022	4,258	$2,975	$629.16	$589.59 - $706.29
Q4 2021	4,233	$2,674	$611.44	$536.21 - $670.14
Q3 2021	4,214	$2,550	$617.39	$551.89 - $682.83
Q2 2021	4,062	$2,270	$503.83	$466.78 - $566.85
Q1 2021	4,096	$1,938	$484.19	$438.57 - $555.83
Q4 2020	5,585	$2,699	$536.82	$468.18 - $616.55
Q3 2020	6,216	$3,479	$602.99	$537.02 - $660.97
Q2 2020	7,252	$4,523	$564.49	$473.82 - $642.77
Q1 2020	8,100	$3,954	$410.21	$326.32 - $515.14
Q4 2019	9,006	$3,382	$334.59	$270.76 - $380.14
Q3 2019	8,461	$2,347	$294.28	$269.87 - $318.99
Q2 2019	4,852	$1,518	$331.08	$293.64 - $413.60
Q1 2019	6,401	$2,628	$409.51	$363.99 - $439.56
Q4 2018	6,416	$2,395	$364.00	$325.77 - $407.74
Q3 2018	7,789	$3,147	$378.49	$340.69 - $414.19
Q2 2018	7,443	$2,567	$311.03	$280.34 - $347.31
Q1 2018	8,113	$2,794	$345.90	$311.80 - $394.59
Q4 2017	15,227	$5,725	$402.77	$351.19 - $474.37
Q3 2017	17,568	$7,855	$473.21	$424.12 - $523.22
Q2 2017	19,476	$9,566	$435.19	$358.01 - $540.55
Q1 2017	23,319	$9,035	$368.62	$338.21 - $399.00
Q4 2016	49,947	$18,335	$378.17	$323.56 - $450.46
Q3 2016	52,019	$20,913	$398.92	$346.51 - $441.54
Q2 2016	56,865	$19,857	$383.00	$327.27 - $431.54
Q1 2016	52,047	$18,759	$409.79	$347.04 - $529.97
Q4 2015	50,766	$27,558	$538.82	$445.63 - $589.32
Q3 2015	47,492	$22,092	$534.07	$433.12 - $602.59
Q2 2015	50,681	$25,853	$485.93	$431.08 - $541.00
Q1 2015	61,151	$27,608	$421.46	$390.83 - $492.77
Q4 2014	59,668	$24,479	$391.09	$318.29 - $435.23
Q3 2014	63,122	$22,758	$333.32	$283.49 - $367.27
Q2 2014	13,989	$3,952	$294.74	$268.01 - $318.24
Q1 2014	4,000	$1,201	$306.39	$261.52 - $350.55
Q4 2013	4,049	$1,114	$286.03	$256.27 - $317.74
Q3 2013	5,156	$1,613	$261.58	$224.53 - $318.07
Q2 2013	6,376	$1,434	$231.58	$176.14 - $282.42