REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

GILDER GAGNON HOWE & CO LLC's Holding History (CIK: 0000902464)

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

Q4 2020

Shares 5,707 Value ($000) $2,757 Avg Close $536.82 Range $468.18 - $616.55

Q3 2020

Shares 6,671 Value ($000) $3,734 Avg Close $602.99 Range $537.02 - $660.97

Q2 2020

Shares 6,985 Value ($000) $4,356 Avg Close $564.49 Range $473.82 - $642.77

Q1 2020

Shares 7,135 Value ($000) $3,484 Avg Close $410.21 Range $326.32 - $515.14

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	5,707	$2,757	$536.82	$468.18 - $616.55
Q3 2020	6,671	$3,734	$602.99	$537.02 - $660.97
Q2 2020	6,985	$4,356	$564.49	$473.82 - $642.77
Q1 2020	7,135	$3,484	$410.21	$326.32 - $515.14