Question 1

Does Dimensional Fund Advisors own MRK stock?

Accepted Answer

Yes. As of its Q2 2026 13F, Dimensional Fund Advisors holds 17,486,486 shares of MRK (Merck), worth $2.2B.

Question 2

How many shares of MRK does Dimensional Fund Advisors own?

Accepted Answer

As of its Q2 2026 13F, Dimensional Fund Advisors holds 17,486,486 shares of MRK (Merck).

Question 3

What is Dimensional Fund Advisors' MRK position worth?

Accepted Answer

As of its Q2 2026 13F, Dimensional Fund Advisors' MRK position is worth $2.2B.

Question 4

Is Dimensional Fund Advisors buying or selling MRK?

Accepted Answer

In Q2 2026, Dimensional Fund Advisors increased its MRK position by 2,030,447 shares (+13.1%).

Question 5

When did Dimensional Fund Advisors first buy MRK?

Accepted Answer

Dimensional Fund Advisors already held MRK in its Q3 2019 13F, the earliest on record, and has listed it in 28 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	17.5M	+13.1%	$2.2B	0.4%	$127.75	43
2026-Q1	Increased	15.5M	+23.8%	$1.9B	0.4%	$118.73	46
2025-Q4	Increased	12.5M	+14.8%	$1.3B	0.3%	$103.13	44
2025-Q3	Increased	10.9M	+2.4%	$912.5M	0.2%	$81.54	39
2025-Q2	Decreased	10.6M	-2.7%	$841M	0.2%	$76.15	0
2025-Q1	Decreased	10.9M	-5.7%	$979.6M	0.2%	$85.49	0
2024-Q4	Increased	11.6M	+63.1%	$1.2B	0.3%	$93.94	55
2024-Q3	Increased	7.1M	+14.4%	$806M	0.2%	$106.38	43
2024-Q2	Increased	6.2M	+7.5%	$768M	0.2%	$115.20	41
2024-Q1	Decreased	5.8M	-2.8%	$761.5M	0.2%	$122.06	0
2023-Q4	Decreased	5.9M	-32.1%	$647.5M	0.2%	$100.21	0
2023-Q3	Decreased	8.7M	-9.2%	$900.6M	0.3%	$93.95	0
2023-Q2	Increased	9.6M	+1.4%	$1.1B	0.4%	$104.59	39
2023-Q1	Increased	9.5M	+2.6%	$1B	0.3%	$95.79	39
2022-Q4	Increased	9.3M	+5.4%	$1B	0.3%	$99.21	40
2022-Q3	Increased	8.8M	+12.9%	$756.7M	0.3%	$76.50	43
2022-Q2	Increased	7.8M	+3.3%	$709.5M	0.3%	$80.34	39
2022-Q1	Decreased	7.5M	-16.9%	$618.1M	0.2%	$71.71	0
2021-Q4	Decreased	9.1M	-7.4%	$694.8M	0.2%	$66.39	0
2021-Q3	Decreased	9.8M	-1.2%	$735.5M	0.2%	$64.46	0
2021-Q2	Decreased	9.9M	-2.3%	$771M	0.2%	$66.15	0
2021-Q1	Decreased	10.1M	-0.4%	$782.2M	0.3%	$62.03	0
2020-Q4	Decreased	10.2M	-1.5%	$833M	0.3%	$65.25	0
2020-Q3	Increased	10.3M	+3.8%	$857.7M	0.4%	$65.65	39
2020-Q2	Increased	10M	+4.5%	$770.4M	0.3%	$60.76	40
2020-Q1	Increased	9.5M	+5.9%	$733.5M	0.4%	$59.98	40
2019-Q4	Increased	9M	+2.9%	$818.9M	0.3%	$70.32	39
2019-Q3	First report	8.7M	-	$736.2M	0.3%	$64.64	0

MRK28 quarters

MRK
28 quarters