How many shares of MRK does ADAGE CAPITAL PARTNERS GP, L.L.C. own?

As of 2026-Q2, ADAGE CAPITAL PARTNERS GP, L.L.C. holds 2M shares of MRK (MERCK & CO. INC.).

What is ADAGE CAPITAL PARTNERS GP, L.L.C.'s MRK position worth?

As of 2026-Q2, ADAGE CAPITAL PARTNERS GP, L.L.C.'s MRK position is worth $260.9M.

Is ADAGE CAPITAL PARTNERS GP, L.L.C. buying or selling MRK?

In 2026-Q2, ADAGE CAPITAL PARTNERS GP, L.L.C. decreased their MRK position (-24.5% change in shares).

When did ADAGE CAPITAL PARTNERS GP, L.L.C. first buy MRK?

Based on available 13F filings, ADAGE CAPITAL PARTNERS GP, L.L.C. first reported a position in MRK in 2018-Q4. They have held the position across 31 quarters.

Back to AG ADAGE CAPITAL PARTNERS GP, L.L.C.

MRK
31 quarters

Position history for AGADAGE CAPITAL PARTNERS GP, L.L.C.'s holdings in MERCK & CO. INC.

Current Value

$260.9M

Current Shares

Total Value Change

-$150.7M

Total Shares Change

-3.4M

Quarter-by-Quarter History

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	2M	-24.5%	$260.9M	0.4%	$128.50	0
2026-Q1	Decreased	2.7M	-0.0%	$323.3M	0.5%	$119.83	0
2025-Q4	Increased	2.7M	+155.1%	$282.9M	0.4%	$106.06	60
2025-Q3	Decreased	1.1M	-26.1%	$88.4M	0.1%	$77.91	0
2025-Q2	Decreased	1.4M	-29.7%	$112.8M	0.2%	$77.66	0
2025-Q1	Increased	2M	+35.5%	$181.9M	0.3%	$86.74	47
2024-Q4	Increased	1.5M	+0.2%	$148.8M	0.3%	$94.81	36
2024-Q3	Decreased	1.5M	-52.9%	$169.5M	0.3%	$108.70	0
2024-Q2	Decreased	3.2M	-6.1%	$392.6M	0.7%	$117.58	0
2024-Q1	Increased	3.4M	+78.0%	$445.4M	0.8%	$124.58	67
2023-Q4	Decreased	1.9M	-33.7%	$206.7M	0.4%	$102.28	0
2023-Q3	Decreased	2.9M	-0.0%	$294.3M	0.7%	$95.89	0
2023-Q2	Increased	2.9M	+9.9%	$329.9M	0.7%	$105.04	48
2023-Q1	Decreased	2.6M	-4.4%	$276.7M	0.6%	$97.34	0
2022-Q4	Increased	2.7M	+17.5%	$301.7M	0.7%	$101.26	51
2022-Q3	Increased	2.3M	+53.0%	$199.4M	0.5%	$78.55	51
2022-Q2	Increased	1.5M	+25.8%	$138M	0.3%	$83.20	45
2022-Q1	Decreased	1.2M	-31.7%	$98.7M	0.2%	$73.51	0
2021-Q4	Decreased	1.8M	-2.2%	$135M	0.2%	$68.21	0
2021-Q3	Increased	1.8M	+19.7%	$135.3M	0.3%	$65.77	43
2021-Q2	Decreased	1.5M	-55.1%	$117.1M	0.2%	$67.03	0
2021-Q1	Increased	3.4M	+219.5%	$258.4M	0.5%	$63.21	70
2020-Q4	Decreased	1M	-54.5%	$85.8M	0.2%	$65.61	0
2020-Q3	Increased	2.3M	+3.3%	$191.3M	0.5%	$66.16	38
2020-Q2	Decreased	2.2M	-21.0%	$172.7M	0.4%	$61.04	0
2020-Q1	Decreased	2.8M	-18.5%	$217.6M	0.6%	$61.22	0
2019-Q4	Decreased	3.5M	-5.1%	$315.7M	0.8%	$71.83	0
2019-Q3	Decreased	3.7M	-0.8%	$308M	0.8%	$64.98	0
2019-Q2	Decreased	3.7M	-13.1%	$309.2M	0.8%	$65.28	0
2019-Q1	Decreased	4.2M	-21.2%	$353M	0.9%	$64.32	0
2018-Q4	New	5.4M	-	$411.5M	1.1%	$57.90	71

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