How many shares of MRK does Capital International Investors own?

As of 2026-Q2, Capital International Investors holds 15.4M shares of MRK (MERCK & CO. INC.).

What is Capital International Investors's MRK position worth?

As of 2026-Q2, Capital International Investors's MRK position is worth $2B.

Is Capital International Investors buying or selling MRK?

In 2026-Q2, Capital International Investors increased their MRK position (+1668.0% change in shares).

When did Capital International Investors first buy MRK?

Based on available 13F filings, Capital International Investors first reported a position in MRK in 2018-Q4. They have held the position across 31 quarters.

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Capital International Investors

MRK
31 quarters

Position history for Capital International Investors's holdings in MERCK & CO. INC.

Current Value

$2B

Current Shares

15.4M

Total Value Change

-$560.7M

Total Shares Change

-17.8M

Quarter-by-Quarter History

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	15.4M	+1668.0%	$2B	0.4%	$128.50	62
2026-Q1	Increased	870,261	+1.1%	$104.7M	0.0%	$119.83	30
2025-Q4	Decreased	860,735	-74.6%	$90.6M	0.0%	$106.06	0
2025-Q3	Decreased	3.4M	-16.5%	$284.8M	0.0%	$77.91	0
2025-Q2	Decreased	4.1M	-15.6%	$321.8M	0.1%	$77.66	0
2025-Q1	Decreased	4.8M	-23.4%	$432M	0.1%	$86.74	0
2024-Q4	Decreased	6.3M	-0.4%	$624.7M	0.1%	$94.81	0
2024-Q3	Increased	6.3M	+1.2%	$716M	0.1%	$108.70	38
2024-Q2	Increased	6.2M	+3.5%	$772.3M	0.2%	$117.58	39
2024-Q1	Increased	6M	+3714.9%	$794.8M	0.2%	$124.58	61
2023-Q4	Increased	157,905	+2.6%	$17.2M	0.0%	$102.28	29
2023-Q3	Decreased	153,836	-57.1%	$16M	0.0%	$95.89	0
2023-Q2	Increased	358,804	+1.1%	$41.1M	0.0%	$105.04	29
2023-Q1	Decreased	355,061	-63.2%	$37.7M	0.0%	$97.34	0
2022-Q4	Increased	965,015	+0.4%	$107.1M	0.0%	$101.26	30
2022-Q3	Increased	961,290	+0.2%	$82.9M	0.0%	$78.55	30
2022-Q2	Decreased	958,966	-48.7%	$87.6M	0.0%	$83.20	0
2022-Q1	Decreased	1.9M	-88.9%	$153.6M	0.0%	$73.51	0
2021-Q4	Decreased	16.9M	-26.3%	$1.3B	0.3%	$68.21	0
2021-Q3	Decreased	22.9M	-20.7%	$1.7B	0.4%	$65.77	0
2021-Q2	Decreased	28.9M	-12.8%	$2.2B	0.5%	$67.03	0
2021-Q1	Decreased	33.2M	-4.3%	$2.6B	0.6%	$63.21	0
2020-Q4	Decreased	34.7M	-9.3%	$2.8B	0.8%	$65.61	0
2020-Q3	Increased	38.2M	+6.0%	$3.2B	1.0%	$66.16	48
2020-Q2	Increased	36M	+29.3%	$2.8B	0.9%	$61.04	57
2020-Q1	Decreased	27.9M	-29.7%	$2.1B	0.9%	$61.22	0
2019-Q4	Increased	39.6M	+2.7%	$3.6B	1.2%	$71.83	52
2019-Q3	Increased	38.6M	+4.5%	$3.2B	1.2%	$64.98	53
2019-Q2	Increased	36.9M	+3.5%	$3.1B	1.2%	$65.28	52
2019-Q1	Increased	35.7M	+7.5%	$3B	1.3%	$64.32	54
2018-Q4	New	33.2M	-	$2.5B	1.3%	$57.90	73

Other major holders of MRK: BNP PARIBAS FINANCIAL MARKETS, BlackRock, Inc., Steward Partners Investment Advisory, LLC, VANGUARD GROUP INC, BlackRock Finance, Inc.

MRK31 quarters

MRK
31 quarters