MERCK & CO INC

Ticker: MRK CUSIP: 58933Y105 Class: COM

OMERS ADMINISTRATION Corp's Holding History (CIK: 0001053321)

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

Q4 2025

Shares 275,613 Value ($000) $29,011 Avg Close $93.24 Range $81.31 - $107.59

Q3 2025

Shares 277,974 Value ($000) $23,330 Avg Close $81.01 Range $75.27 - $86.24

Q2 2025

Shares 270,845 Value ($000) $21,440 Avg Close $77.39 Range $71.26 - $87.25

Q1 2025

Shares 257,081 Value ($000) $23,076 Avg Close $90.12 Range $78.10 - $99.24

Q4 2024

Shares 230,181 Value ($000) $22,898 Avg Close $98.70 Range $90.33 - $109.75

Q3 2024

Shares 198,524 Value ($000) $22,544 Avg Close $112.96 Range $105.16 - $123.40

Q2 2024

Shares 182,560 Value ($000) $22,601 Avg Close $121.72 Range $114.80 - $127.87

Q1 2024

Shares 25,107 Value ($000) $3,313 Avg Close $115.77 Range $102.41 - $125.66

Q4 2023

Shares 128,248 Value ($000) $13,982 Avg Close $96.81 Range $92.34 - $102.48

Q3 2023

Shares 128,248 Value ($000) $13,203 Avg Close $99.84 Range $95.67 - $106.04

Q2 2023

Shares 51,843 Value ($000) $5,982 Avg Close $104.47 Range $97.02 - $109.95

Q1 2023

Shares 62,549 Value ($000) $6,655 Avg Close $98.68 Range $92.86 - $105.40

Q4 2022

Shares 84,242 Value ($000) $9,347 Avg Close $92.80 Range $77.99 - $103.03

Q3 2022

Shares 41,146 Value ($000) $3,543 Avg Close $80.41 Range $76.51 - $85.75

Q4 2019

Shares 140,000 Value ($000) $12,733 Avg Close $67.55 Range $62.89 - $73.10

Q3 2019

Shares 152,900 Value ($000) $12,871 Avg Close $65.47 Range $61.22 - $68.01

Q2 2019

Shares 115,400 Value ($000) $9,808 Avg Close $62.14 Range $55.86 - $67.34

Q1 2019

Shares 11,900 Value ($000) $1,026 Avg Close $60.29 Range $55.35 - $64.55

Q1 2018

Shares 124,500 Value ($000) $6,782 Avg Close $42.25 Range $39.59 - $47.54

Q4 2017

Shares 117,700 Value ($000) $6,623 Avg Close $43.00 Range $39.63 - $47.96

Q3 2017

Shares 59,900 Value ($000) $3,835 Avg Close $46.68 Range $44.87 - $49.08

Q2 2017

Shares 23,500 Value ($000) $1,506 Avg Close $46.54 Range $45.06 - $48.72

Q4 2016

Shares 517,090 Value ($000) $30,441 Avg Close $44.08 Range $41.83 - $46.98

Q3 2016

Shares 896,690 Value ($000) $55,962 Avg Close $43.73 Range $40.74 - $45.59

Q2 2016

Shares 1,012,300 Value ($000) $58,319 Avg Close $39.48 Range $37.06 - $41.09

Q1 2016

Shares 1,279,250 Value ($000) $67,685 Avg Close $36.03 Range $33.60 - $37.88

Q4 2013

Shares 1,184,000 Value ($000) $59,259 Avg Close $31.29 Range $29.09 - $32.94

Q3 2013

Shares 307,900 Value ($000) $14,659 Avg Close $30.97 Range $29.74 - $31.75

Q2 2013

Shares 307,900 Value ($000) $14,302 Avg Close $30.02 Range $28.02 - $32.11

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	275,613	$29,011	$93.24	$81.31 - $107.59
Q3 2025	277,974	$23,330	$81.01	$75.27 - $86.24
Q2 2025	270,845	$21,440	$77.39	$71.26 - $87.25
Q1 2025	257,081	$23,076	$90.12	$78.10 - $99.24
Q4 2024	230,181	$22,898	$98.70	$90.33 - $109.75
Q3 2024	198,524	$22,544	$112.96	$105.16 - $123.40
Q2 2024	182,560	$22,601	$121.72	$114.80 - $127.87
Q1 2024	25,107	$3,313	$115.77	$102.41 - $125.66
Q4 2023	128,248	$13,982	$96.81	$92.34 - $102.48
Q3 2023	128,248	$13,203	$99.84	$95.67 - $106.04
Q2 2023	51,843	$5,982	$104.47	$97.02 - $109.95
Q1 2023	62,549	$6,655	$98.68	$92.86 - $105.40
Q4 2022	84,242	$9,347	$92.80	$77.99 - $103.03
Q3 2022	41,146	$3,543	$80.41	$76.51 - $85.75
Q4 2019	140,000	$12,733	$67.55	$62.89 - $73.10
Q3 2019	152,900	$12,871	$65.47	$61.22 - $68.01
Q2 2019	115,400	$9,808	$62.14	$55.86 - $67.34
Q1 2019	11,900	$1,026	$60.29	$55.35 - $64.55
Q1 2018	124,500	$6,782	$42.25	$39.59 - $47.54
Q4 2017	117,700	$6,623	$43.00	$39.63 - $47.96
Q3 2017	59,900	$3,835	$46.68	$44.87 - $49.08
Q2 2017	23,500	$1,506	$46.54	$45.06 - $48.72
Q4 2016	517,090	$30,441	$44.08	$41.83 - $46.98
Q3 2016	896,690	$55,962	$43.73	$40.74 - $45.59
Q2 2016	1,012,300	$58,319	$39.48	$37.06 - $41.09
Q1 2016	1,279,250	$67,685	$36.03	$33.60 - $37.88
Q4 2013	1,184,000	$59,259	$31.29	$29.09 - $32.94
Q3 2013	307,900	$14,659	$30.97	$29.74 - $31.75
Q2 2013	307,900	$14,302	$30.02	$28.02 - $32.11