MERCK & CO INC

Ticker: MRK CUSIP: 58933Y105 Class: COM

Laurion Capital Management LP's Holding History (CIK: 0001390202)

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

Q4 2025

Shares 19,693 Value ($000) $2,073 Avg Close $93.24 Range $81.31 - $107.59

Q2 2025

Shares 27,909 Value ($000) $2,209 Avg Close $77.39 Range $71.26 - $87.25

Q1 2025

Shares 15,840 Value ($000) $1,422 Avg Close $90.12 Range $78.10 - $99.24

Q4 2024

Shares 151,555 Value ($000) $15,077 Avg Close $98.70 Range $90.33 - $109.75

Q3 2024

Shares 236,779 Value ($000) $26,889 Avg Close $112.96 Range $105.16 - $123.40

Q1 2024

Shares 413,847 Value ($000) $54,607 Avg Close $115.77 Range $102.41 - $125.66

Q4 2023

Shares 220,390 Value ($000) $24,027 Avg Close $96.81 Range $92.34 - $102.48

Q2 2023

Shares 113,268 Value ($000) $13,070 Avg Close $104.47 Range $97.02 - $109.95

Q1 2022

Shares 6,067 Value ($000) $498 Avg Close $69.85 Range $64.44 - $74.38

Q4 2021

Shares 479,368 Value ($000) $36,739 Avg Close $69.89 Range $62.63 - $80.06

Q3 2021

Shares 2,893,409 Value ($000) $217,324 Avg Close $66.14 Range $62.09 - $68.78

Q2 2021

Shares 3,659,534 Value ($000) $284,602 Avg Close $64.14 Range $59.83 - $67.79

Q1 2021

Shares 12,993 Value ($000) $1,002 Avg Close $63.06 Range $58.39 - $69.69

Q4 2020

Shares 22,572 Value ($000) $1,846 Avg Close $64.85 Range $59.73 - $68.80

Q2 2019

Shares 1,117,905 Value ($000) $93,736 Avg Close $62.14 Range $55.86 - $67.34

Q3 2018

Shares 699 Value ($000) $50 Avg Close $50.65 Range $45.40 - $54.60

Q2 2018

Shares 5,795 Value ($000) $352 Avg Close $44.52 Range $39.72 - $47.34

Q1 2018

Shares 32,158 Value ($000) $1,752 Avg Close $42.25 Range $39.59 - $47.54

Q4 2017

Shares 668,981 Value ($000) $37,644 Avg Close $43.00 Range $39.63 - $47.96

Q3 2017

Shares 209,853 Value ($000) $13,437 Avg Close $46.68 Range $44.87 - $49.08

Q2 2017

Shares 111,533 Value ($000) $7,148 Avg Close $46.54 Range $45.06 - $48.72

Q1 2017

Shares 96,756 Value ($000) $6,148 Avg Close $46.06 Range $42.70 - $48.31

Q4 2016

Shares 79,300 Value ($000) $4,668 Avg Close $44.08 Range $41.83 - $46.98

Q4 2015

Shares 299,721 Value ($000) $15,831 Avg Close $36.77 Range $33.58 - $38.73

Q2 2015

Shares 682,200 Value ($000) $38,838 Avg Close $40.23 Range $38.42 - $42.17

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	19,693	$2,073	$93.24	$81.31 - $107.59
Q2 2025	27,909	$2,209	$77.39	$71.26 - $87.25
Q1 2025	15,840	$1,422	$90.12	$78.10 - $99.24
Q4 2024	151,555	$15,077	$98.70	$90.33 - $109.75
Q3 2024	236,779	$26,889	$112.96	$105.16 - $123.40
Q1 2024	413,847	$54,607	$115.77	$102.41 - $125.66
Q4 2023	220,390	$24,027	$96.81	$92.34 - $102.48
Q2 2023	113,268	$13,070	$104.47	$97.02 - $109.95
Q1 2022	6,067	$498	$69.85	$64.44 - $74.38
Q4 2021	479,368	$36,739	$69.89	$62.63 - $80.06
Q3 2021	2,893,409	$217,324	$66.14	$62.09 - $68.78
Q2 2021	3,659,534	$284,602	$64.14	$59.83 - $67.79
Q1 2021	12,993	$1,002	$63.06	$58.39 - $69.69
Q4 2020	22,572	$1,846	$64.85	$59.73 - $68.80
Q2 2019	1,117,905	$93,736	$62.14	$55.86 - $67.34
Q3 2018	699	$50	$50.65	$45.40 - $54.60
Q2 2018	5,795	$352	$44.52	$39.72 - $47.34
Q1 2018	32,158	$1,752	$42.25	$39.59 - $47.54
Q4 2017	668,981	$37,644	$43.00	$39.63 - $47.96
Q3 2017	209,853	$13,437	$46.68	$44.87 - $49.08
Q2 2017	111,533	$7,148	$46.54	$45.06 - $48.72
Q1 2017	96,756	$6,148	$46.06	$42.70 - $48.31
Q4 2016	79,300	$4,668	$44.08	$41.83 - $46.98
Q4 2015	299,721	$15,831	$36.77	$33.58 - $38.73
Q2 2015	682,200	$38,838	$40.23	$38.42 - $42.17