REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

TCW GROUP INC's Holding History (CIK: 0000850401)

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

Q4 2025

Shares 2,039 Value ($000) $1,574 Avg Close $678.68 Range $540.32 - $792.77

Q1 2015

Shares 21,450 Value ($000) $9,684 Avg Close $421.46 Range $390.83 - $492.77

Q4 2014

Shares 20,800 Value ($000) $8,533 Avg Close $391.09 Range $318.29 - $435.23

Q3 2014

Shares 36,150 Value ($000) $13,033 Avg Close $333.32 Range $283.49 - $367.27

Q2 2014

Shares 40,000 Value ($000) $11,299 Avg Close $294.74 Range $268.01 - $318.24

Q1 2014

Shares 39,150 Value ($000) $11,756 Avg Close $306.39 Range $261.52 - $350.55

Q4 2013

Shares 38,850 Value ($000) $10,691 Avg Close $286.03 Range $256.27 - $317.74

Q3 2013

Shares 38,500 Value ($000) $12,045 Avg Close $261.58 Range $224.53 - $318.07

Q2 2013

Shares 37,450 Value ($000) $8,422 Avg Close $231.58 Range $176.14 - $282.42

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,039	$1,574	$678.68	$540.32 - $792.77
Q1 2015	21,450	$9,684	$421.46	$390.83 - $492.77
Q4 2014	20,800	$8,533	$391.09	$318.29 - $435.23
Q3 2014	36,150	$13,033	$333.32	$283.49 - $367.27
Q2 2014	40,000	$11,299	$294.74	$268.01 - $318.24
Q1 2014	39,150	$11,756	$306.39	$261.52 - $350.55
Q4 2013	38,850	$10,691	$286.03	$256.27 - $317.74
Q3 2013	38,500	$12,045	$261.58	$224.53 - $318.07
Q2 2013	37,450	$8,422	$231.58	$176.14 - $282.42