Does RhumbLine Advisers own MRK stock?

Yes. As of its Q2 2026 13F, RhumbLine Advisers holds 3,809,518 shares of MRK (Merck), worth $489.5M.

How many shares of MRK does RhumbLine Advisers own?

As of its Q2 2026 13F, RhumbLine Advisers holds 3,809,518 shares of MRK (Merck).

As of its Q2 2026 13F, RhumbLine Advisers' MRK position is worth $489.5M.

In Q2 2026, RhumbLine Advisers increased its MRK position by 12,088 shares (+0.3%).

RhumbLine Advisers already held MRK in its Q4 2018 13F, the earliest on record, and has listed it in 31 quarterly 13F filings.

Position history for RHUMBLINE ADVISERS's holdings in MERCK & CO INC

Current Value

$489.5M

Current Shares

3.8M

Total Value Change

+$162.7M

Total Shares Change

-467,504

Quarter-by-Quarter History

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	3.8M	+0.3%	$489.5M	0.4%	$127.75	37
2026-Q1	Decreased	3.8M	-4.5%	$456.8M	0.4%	$118.73	0
2025-Q4	Decreased	4M	-3.0%	$418.5M	0.3%	$103.13	0
2025-Q3	Decreased	4.1M	-0.2%	$344.1M	0.3%	$81.54	0
2025-Q2	Decreased	4.1M	-8.5%	$325.3M	0.3%	$76.15	0
2025-Q1	Increased	4.5M	+0.7%	$403.3M	0.4%	$85.49	37
2024-Q4	Decreased	4.5M	-1.2%	$444M	0.4%	$93.94	0
2024-Q3	Decreased	4.5M	-1.1%	$513M	0.5%	$106.38	0
2024-Q2	Increased	4.6M	+2.6%	$565.3M	0.5%	$115.20	45
2024-Q1	Decreased	4.4M	-2.4%	$587.1M	0.6%	$122.06	0
2023-Q4	Decreased	4.6M	-0.6%	$496.8M	0.5%	$100.21	0
2023-Q3	Decreased	4.6M	-0.0%	$472M	0.5%	$93.95	0
2023-Q2	Increased	4.6M	+1.8%	$529.2M	0.6%	$104.59	45
2023-Q1	Increased	4.5M	+2.6%	$479.1M	0.6%	$95.79	45
2022-Q4	Increased	4.4M	+3.7%	$486.8M	0.7%	$99.21	46
2022-Q3	Increased	4.2M	+3.8%	$364.4M	0.5%	$76.50	45
2022-Q2	Increased	4.1M	+4.3%	$371.8M	0.5%	$80.34	46
2022-Q1	Increased	3.9M	+5.2%	$320.7M	0.4%	$71.71	39
2021-Q4	Increased	3.7M	+1.0%	$284.9M	0.3%	$66.39	37
2021-Q3	Decreased	3.7M	-5.3%	$276.5M	0.4%	$64.46	0
2021-Q2	Decreased	3.9M	-4.6%	$302.2M	0.4%	$66.15	0
2021-Q1	Decreased	4.1M	-3.1%	$314M	0.4%	$62.03	0
2020-Q4	Decreased	4.2M	-5.1%	$343.8M	0.5%	$65.25	0
2020-Q3	Decreased	4.4M	-0.1%	$367.4M	0.6%	$65.65	0
2020-Q2	Increased	4.4M	+6.8%	$342.8M	0.6%	$60.76	47
2020-Q1	Increased	4.2M	+0.6%	$319.4M	0.7%	$59.98	44
2019-Q4	Decreased	4.1M	-0.4%	$375.2M	0.6%	$70.32	0
2019-Q3	Increased	4.1M	+0.4%	$348.5M	0.6%	$64.64	44
2019-Q2	Decreased	4.1M	-0.3%	$345.7M	0.6%	$63.96	0
2019-Q1	Decreased	4.1M	-3.3%	$344.1M	0.7%	$63.02	0
2018-Q4	First report	4.3M	-	$326.8M	0.7%	$57.51	0