REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

Brandywine Global Investment Management, LLC's Holding History (CIK: 0000829108)

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

Q4 2025

Shares 23,076 Value ($000) $17,812 Avg Close $678.68 Range $540.32 - $792.77

Q4 2022

Shares 95,740 Value ($000) $69,075 Avg Close $733.79 Range $690.81 - $774.70

Q3 2022

Shares 87,549 Value ($000) $60,310 Avg Close $625.92 Range $560.71 - $750.51

Q2 2022

Shares 89,752 Value ($000) $53,055 Avg Close $646.43 Range $535.04 - $743.30

Q1 2022

Shares 93,333 Value ($000) $65,186 Avg Close $629.16 Range $589.59 - $706.29

Q4 2021

Shares 96,660 Value ($000) $61,043 Avg Close $611.44 Range $536.21 - $670.14

Q3 2021

Shares 107,316 Value ($000) $64,945 Avg Close $617.39 Range $551.89 - $682.83

Q2 2021

Shares 68,190 Value ($000) $38,087 Avg Close $503.83 Range $466.78 - $566.85

Q1 2021

Shares 57,445 Value ($000) $27,180 Avg Close $484.19 Range $438.57 - $555.83

Q4 2020

Shares 123,966 Value ($000) $59,889 Avg Close $536.82 Range $468.18 - $616.55

Q3 2020

Shares 16,021 Value ($000) $8,969 Avg Close $602.99 Range $537.02 - $660.97

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	23,076	$17,812	$678.68	$540.32 - $792.77
Q4 2022	95,740	$69,075	$733.79	$690.81 - $774.70
Q3 2022	87,549	$60,310	$625.92	$560.71 - $750.51
Q2 2022	89,752	$53,055	$646.43	$535.04 - $743.30
Q1 2022	93,333	$65,186	$629.16	$589.59 - $706.29
Q4 2021	96,660	$61,043	$611.44	$536.21 - $670.14
Q3 2021	107,316	$64,945	$617.39	$551.89 - $682.83
Q2 2021	68,190	$38,087	$503.83	$466.78 - $566.85
Q1 2021	57,445	$27,180	$484.19	$438.57 - $555.83
Q4 2020	123,966	$59,889	$536.82	$468.18 - $616.55
Q3 2020	16,021	$8,969	$602.99	$537.02 - $660.97