REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

PRENTISS SMITH & CO INC's Holding History (CIK: 0001134687)

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

Q4 2025

Shares 2,063 Value ($000) $1,592 Avg Close $678.68 Range $540.32 - $792.77

Q3 2025

Shares 2,076 Value ($000) $1,167 Avg Close $564.28 Range $519.56 - $609.69

Q2 2025

Shares 2,089 Value ($000) $1,097 Avg Close $556.12 Range $475.17 - $638.52

Q1 2025

Shares 2,110 Value ($000) $1,338 Avg Close $684.44 Range $615.89 - $745.12

Q4 2024

Shares 2,035 Value ($000) $1,450 Avg Close $834.60 Range $689.18 - $1055.74

Q3 2024

Shares 2,037 Value ($000) $2,141 Avg Close $1106.73 Range $1002.85 - $1204.52

Q2 2024

Shares 2,093 Value ($000) $2,200 Avg Close $964.05 Range $870.40 - $1075.21

Q1 2024

Shares 3,545 Value ($000) $3,412 Avg Close $945.64 Range $866.58 - $992.82

Q4 2023

Shares 3,656 Value ($000) $3,211 Avg Close $818.96 Range $764.95 - $894.90

Q3 2023

Shares 5,435 Value ($000) $4,473 Avg Close $781.58 Range $684.72 - $842.83

Q2 2023

Shares 5,588 Value ($000) $4,015 Avg Close $766.75 Range $681.03 - $832.93

Q1 2023

Shares 5,605 Value ($000) $4,605 Avg Close $750.05 Range $664.32 - $830.39

Q4 2022

Shares 5,671 Value ($000) $4,092 Avg Close $733.79 Range $690.81 - $774.70

Q3 2022

Shares 5,899 Value ($000) $4,064 Avg Close $625.92 Range $560.71 - $750.51

Q2 2022

Shares 6,047 Value ($000) $3,575 Avg Close $646.43 Range $535.04 - $743.30

Q1 2022

Shares 6,176 Value ($000) $4,313 Avg Close $629.16 Range $589.59 - $706.29

Q4 2021

Shares 11,810 Value ($000) $7,458 Avg Close $611.44 Range $536.21 - $670.14

Q3 2021

Shares 11,483 Value ($000) $6,949 Avg Close $617.39 Range $551.89 - $682.83

Q2 2021

Shares 11,493 Value ($000) $6,419 Avg Close $503.83 Range $466.78 - $566.85

Q1 2021

Shares 11,744 Value ($000) $5,557 Avg Close $484.19 Range $438.57 - $555.83

Q4 2020

Shares 6,828 Value ($000) $3,299 Avg Close $536.82 Range $468.18 - $616.55

Q3 2020

Shares 7,732 Value ($000) $4,328 Avg Close $602.99 Range $537.02 - $660.97

Q2 2020

Shares 7,874 Value ($000) $4,911 Avg Close $564.49 Range $473.82 - $642.77

Q1 2020

Shares 7,868 Value ($000) $3,842 Avg Close $410.21 Range $326.32 - $515.14

Q4 2019

Shares 16,097 Value ($000) $6,044 Avg Close $334.59 Range $270.76 - $380.14

Q3 2019

Shares 16,492 Value ($000) $4,575 Avg Close $294.28 Range $269.87 - $318.99

Q2 2019

Shares 16,430 Value ($000) $5,143 Avg Close $331.08 Range $293.64 - $413.60

Q4 2018

Shares 6,951 Value ($000) $2,596 Avg Close $364.00 Range $325.77 - $407.74

Q3 2018

Shares 6,874 Value ($000) $2,777 Avg Close $378.49 Range $340.69 - $414.19

Q2 2018

Shares 11,368 Value ($000) $3,922 Avg Close $311.03 Range $280.34 - $347.31

Q1 2018

Shares 19,753 Value ($000) $6,802 Avg Close $345.90 Range $311.80 - $394.59

Q4 2017

Shares 12,696 Value ($000) $4,773 Avg Close $402.77 Range $351.19 - $474.37

Q3 2017

Shares 931 Value ($000) $416 Avg Close $473.21 Range $424.12 - $523.22

Q1 2017

Shares 751 Value ($000) $291 Avg Close $368.62 Range $338.21 - $399.00

Q4 2016

Shares 660 Value ($000) $242 Avg Close $378.17 Range $323.56 - $450.46

Q3 2016

Shares 175 Value ($000) $70 Avg Close $398.92 Range $346.51 - $441.54

Q2 2016

Shares 175 Value ($000) $61 Avg Close $383.00 Range $327.27 - $431.54

Q1 2016

Shares 175 Value ($000) $63 Avg Close $409.79 Range $347.04 - $529.97

Q4 2015

Shares 175 Value ($000) $95 Avg Close $538.82 Range $445.63 - $589.32

Q3 2015

Shares 175 Value ($000) $81 Avg Close $534.07 Range $433.12 - $602.59

Q2 2015

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

Q1 2015

Shares 175 Value ($000) $79 Avg Close $421.46 Range $390.83 - $492.77

Q4 2014

Shares 175 Value ($000) $72 Avg Close $391.09 Range $318.29 - $435.23

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,063	$1,592	$678.68	$540.32 - $792.77
Q3 2025	2,076	$1,167	$564.28	$519.56 - $609.69
Q2 2025	2,089	$1,097	$556.12	$475.17 - $638.52
Q1 2025	2,110	$1,338	$684.44	$615.89 - $745.12
Q4 2024	2,035	$1,450	$834.60	$689.18 - $1055.74
Q3 2024	2,037	$2,141	$1106.73	$1002.85 - $1204.52
Q2 2024	2,093	$2,200	$964.05	$870.40 - $1075.21
Q1 2024	3,545	$3,412	$945.64	$866.58 - $992.82
Q4 2023	3,656	$3,211	$818.96	$764.95 - $894.90
Q3 2023	5,435	$4,473	$781.58	$684.72 - $842.83
Q2 2023	5,588	$4,015	$766.75	$681.03 - $832.93
Q1 2023	5,605	$4,605	$750.05	$664.32 - $830.39
Q4 2022	5,671	$4,092	$733.79	$690.81 - $774.70
Q3 2022	5,899	$4,064	$625.92	$560.71 - $750.51
Q2 2022	6,047	$3,575	$646.43	$535.04 - $743.30
Q1 2022	6,176	$4,313	$629.16	$589.59 - $706.29
Q4 2021	11,810	$7,458	$611.44	$536.21 - $670.14
Q3 2021	11,483	$6,949	$617.39	$551.89 - $682.83
Q2 2021	11,493	$6,419	$503.83	$466.78 - $566.85
Q1 2021	11,744	$5,557	$484.19	$438.57 - $555.83
Q4 2020	6,828	$3,299	$536.82	$468.18 - $616.55
Q3 2020	7,732	$4,328	$602.99	$537.02 - $660.97
Q2 2020	7,874	$4,911	$564.49	$473.82 - $642.77
Q1 2020	7,868	$3,842	$410.21	$326.32 - $515.14
Q4 2019	16,097	$6,044	$334.59	$270.76 - $380.14
Q3 2019	16,492	$4,575	$294.28	$269.87 - $318.99
Q2 2019	16,430	$5,143	$331.08	$293.64 - $413.60
Q4 2018	6,951	$2,596	$364.00	$325.77 - $407.74
Q3 2018	6,874	$2,777	$378.49	$340.69 - $414.19
Q2 2018	11,368	$3,922	$311.03	$280.34 - $347.31
Q1 2018	19,753	$6,802	$345.90	$311.80 - $394.59
Q4 2017	12,696	$4,773	$402.77	$351.19 - $474.37
Q3 2017	931	$416	$473.21	$424.12 - $523.22
Q1 2017	751	$291	$368.62	$338.21 - $399.00
Q4 2016	660	$242	$378.17	$323.56 - $450.46
Q3 2016	175	$70	$398.92	$346.51 - $441.54
Q2 2016	175	$61	$383.00	$327.27 - $431.54
Q1 2016	175	$63	$409.79	$347.04 - $529.97
Q4 2015	175	$95	$538.82	$445.63 - $589.32
Q3 2015	175	$81	$534.07	$433.12 - $602.59
Q2 2015	175	$89	$485.93	$431.08 - $541.00
Q1 2015	175	$79	$421.46	$390.83 - $492.77
Q4 2014	175	$72	$391.09	$318.29 - $435.23