MERCK & CO INC

Ticker: MRK CUSIP: 58933Y105 Class: COM

Plato Investment Management Ltd's Holding History (CIK: 0001984475)

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

Q4 2025

Shares 67,529 Value ($000) $7,143 Avg Close $93.24 Range $81.31 - $107.59

Q3 2025

Shares 68,054 Value ($000) $5,668 Avg Close $81.01 Range $75.27 - $86.24

Q2 2025

Shares 63,127 Value ($000) $4,979 Avg Close $77.39 Range $71.26 - $87.25

Q1 2025

Shares 59,092 Value ($000) $5,362 Avg Close $90.12 Range $78.10 - $99.24

Q4 2024

Shares 50,624 Value ($000) $5,054 Avg Close $98.70 Range $90.33 - $109.75

Q3 2024

Shares 50,624 Value ($000) $5,743 Avg Close $112.96 Range $105.16 - $123.40

Q2 2024

Shares 50,167 Value ($000) $6,211 Avg Close $121.72 Range $114.80 - $127.87

Q1 2024

Shares 47,356 Value ($000) $6,249 Avg Close $115.77 Range $102.41 - $125.66

Q4 2023

Shares 6,622 Value ($000) $722 Avg Close $96.81 Range $92.34 - $102.48

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	67,529	$7,143	$93.24	$81.31 - $107.59
Q3 2025	68,054	$5,668	$81.01	$75.27 - $86.24
Q2 2025	63,127	$4,979	$77.39	$71.26 - $87.25
Q1 2025	59,092	$5,362	$90.12	$78.10 - $99.24
Q4 2024	50,624	$5,054	$98.70	$90.33 - $109.75
Q3 2024	50,624	$5,743	$112.96	$105.16 - $123.40
Q2 2024	50,167	$6,211	$121.72	$114.80 - $127.87
Q1 2024	47,356	$6,249	$115.77	$102.41 - $125.66
Q4 2023	6,622	$722	$96.81	$92.34 - $102.48