MERCK & CO INC

Ticker: MRK CUSIP: 58933Y105 Class: COM

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

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

Q3 2024

Shares 272,247 Value ($000) $30,916 Avg Close $112.96 Range $105.16 - $123.40

Q2 2024

Shares 238,297 Value ($000) $29,501 Avg Close $121.72 Range $114.80 - $127.87

Q2 2017

Shares 49,712 Value ($000) $3,186 Avg Close $46.54 Range $45.06 - $48.72

Q1 2017

Shares 55,466 Value ($000) $3,524 Avg Close $46.06 Range $42.70 - $48.31

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2024	272,247	$30,916	$112.96	$105.16 - $123.40
Q2 2024	238,297	$29,501	$121.72	$114.80 - $127.87
Q2 2017	49,712	$3,186	$46.54	$45.06 - $48.72
Q1 2017	55,466	$3,524	$46.06	$42.70 - $48.31