REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

Horizon Investments, LLC's Holding History (CIK: 0001560717)

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

Q4 2025

Shares 3,892 Value ($000) $3,004 Avg Close $678.68 Range $540.32 - $792.77

Q3 2025

Shares 19,029 Value ($000) $10,699 Avg Close $564.28 Range $519.56 - $609.69

Q2 2025

Shares 13,242 Value ($000) $6,952 Avg Close $556.12 Range $475.17 - $638.52

Q1 2025

Shares 1,634 Value ($000) $1,036 Avg Close $684.44 Range $615.89 - $745.12

Q4 2024

Shares 1,575 Value ($000) $1,122 Avg Close $834.60 Range $689.18 - $1055.74

Q3 2024

Shares 1,552 Value ($000) $1,632 Avg Close $1106.73 Range $1002.85 - $1204.52

Q2 2024

Shares 1,651 Value ($000) $1,735 Avg Close $964.05 Range $870.40 - $1075.21

Q1 2024

Shares 1,644 Value ($000) $1,582 Avg Close $945.64 Range $866.58 - $992.82

Q4 2023

Shares 1,608 Value ($000) $1,412 Avg Close $818.96 Range $764.95 - $894.90

Q3 2023

Shares 808 Value ($000) $665 Avg Close $781.58 Range $684.72 - $842.83

Q2 2023

Shares 785 Value ($000) $564 Avg Close $766.75 Range $681.03 - $832.93

Q1 2023

Shares 839 Value ($000) $689 Avg Close $750.05 Range $664.32 - $830.39

Q4 2022

Shares 1,416 Value ($000) $1 Avg Close $733.79 Range $690.81 - $774.70

Q3 2022

Shares 3,050 Value ($000) $2,101 Avg Close $625.92 Range $560.71 - $750.51

Q2 2022

Shares 2,153 Value ($000) $1,273 Avg Close $646.43 Range $535.04 - $743.30

Q1 2022

Shares 4,408 Value ($000) $3,079 Avg Close $629.16 Range $589.59 - $706.29

Q4 2021

Shares 3,615 Value ($000) $2,283 Avg Close $611.44 Range $536.21 - $670.14

Q3 2021

Shares 2,332 Value ($000) $1,411 Avg Close $617.39 Range $551.89 - $682.83

Q2 2021

Shares 1,712 Value ($000) $956 Avg Close $503.83 Range $466.78 - $566.85

Q1 2021

Shares 2,282 Value ($000) $1,080 Avg Close $484.19 Range $438.57 - $555.83

Q3 2020

Shares 2,613 Value ($000) $1,463 Avg Close $602.99 Range $537.02 - $660.97

Q2 2020

Shares 5,348 Value ($000) $3,335 Avg Close $564.49 Range $473.82 - $642.77

Q1 2020

Shares 1,058 Value ($000) $517 Avg Close $410.21 Range $326.32 - $515.14

Q4 2019

Shares 944 Value ($000) $354 Avg Close $334.59 Range $270.76 - $380.14

Q2 2019

Shares 705 Value ($000) $221 Avg Close $331.08 Range $293.64 - $413.60

Q1 2019

Shares 502 Value ($000) $206 Avg Close $409.51 Range $363.99 - $439.56

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,892	$3,004	$678.68	$540.32 - $792.77
Q3 2025	19,029	$10,699	$564.28	$519.56 - $609.69
Q2 2025	13,242	$6,952	$556.12	$475.17 - $638.52
Q1 2025	1,634	$1,036	$684.44	$615.89 - $745.12
Q4 2024	1,575	$1,122	$834.60	$689.18 - $1055.74
Q3 2024	1,552	$1,632	$1106.73	$1002.85 - $1204.52
Q2 2024	1,651	$1,735	$964.05	$870.40 - $1075.21
Q1 2024	1,644	$1,582	$945.64	$866.58 - $992.82
Q4 2023	1,608	$1,412	$818.96	$764.95 - $894.90
Q3 2023	808	$665	$781.58	$684.72 - $842.83
Q2 2023	785	$564	$766.75	$681.03 - $832.93
Q1 2023	839	$689	$750.05	$664.32 - $830.39
Q4 2022	1,416	$1	$733.79	$690.81 - $774.70
Q3 2022	3,050	$2,101	$625.92	$560.71 - $750.51
Q2 2022	2,153	$1,273	$646.43	$535.04 - $743.30
Q1 2022	4,408	$3,079	$629.16	$589.59 - $706.29
Q4 2021	3,615	$2,283	$611.44	$536.21 - $670.14
Q3 2021	2,332	$1,411	$617.39	$551.89 - $682.83
Q2 2021	1,712	$956	$503.83	$466.78 - $566.85
Q1 2021	2,282	$1,080	$484.19	$438.57 - $555.83
Q3 2020	2,613	$1,463	$602.99	$537.02 - $660.97
Q2 2020	5,348	$3,335	$564.49	$473.82 - $642.77
Q1 2020	1,058	$517	$410.21	$326.32 - $515.14
Q4 2019	944	$354	$334.59	$270.76 - $380.14
Q2 2019	705	$221	$331.08	$293.64 - $413.60
Q1 2019	502	$206	$409.51	$363.99 - $439.56