MERCK & CO INC

Ticker: MRK CUSIP: 58933Y105 Class: COM

Avidity Partners Management LP's Holding History (CIK: 0001791827)

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

Q2 2024

Shares 325,000 Value ($000) $40,235 Avg Close $121.72 Range $114.80 - $127.87

Q1 2024

Shares 502,000 Value ($000) $66,239 Avg Close $115.77 Range $102.41 - $125.66

Q1 2023

Shares 600,000 Value ($000) $63,834 Avg Close $98.68 Range $92.86 - $105.40

Q1 2022

Shares 2,370,000 Value ($000) $194,459 Avg Close $69.85 Range $64.44 - $74.38

Q3 2020

Shares 1,144,300 Value ($000) $94,920 Avg Close $65.93 Range $60.98 - $70.41

Q1 2020

Shares 492,000 Value ($000) $37,854 Avg Close $65.09 Range $51.91 - $72.71

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2024	325,000	$40,235	$121.72	$114.80 - $127.87
Q1 2024	502,000	$66,239	$115.77	$102.41 - $125.66
Q1 2023	600,000	$63,834	$98.68	$92.86 - $105.40
Q1 2022	2,370,000	$194,459	$69.85	$64.44 - $74.38
Q3 2020	1,144,300	$94,920	$65.93	$60.98 - $70.41
Q1 2020	492,000	$37,854	$65.09	$51.91 - $72.71