How many shares of MRK does MILLENNIUM MANAGEMENT LLC own?

As of 2026-Q2, MILLENNIUM MANAGEMENT LLC holds 561,302 shares of MRK (MERCK & CO. INC.).

What is MILLENNIUM MANAGEMENT LLC's MRK position worth?

As of 2026-Q2, MILLENNIUM MANAGEMENT LLC's MRK position is worth $72.1M.

Is MILLENNIUM MANAGEMENT LLC buying or selling MRK?

In 2026-Q2, MILLENNIUM MANAGEMENT LLC decreased their MRK position (-71.5% change in shares).

When did MILLENNIUM MANAGEMENT LLC first buy MRK?

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

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MILLENNIUM MANAGEMENT LLC

MRK
31 quarters

Position history for MILLENNIUM MANAGEMENT LLC's holdings in MERCK & CO. INC.

Current Value

$72.1M

Current Shares

561,302

Total Value Change

-$302.7M

Total Shares Change

-4.3M

Quarter-by-Quarter History

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	561,302	-71.5%	$72.1M	0.0%	$128.50	0
2026-Q1	Decreased	2M	-71.0%	$237.1M	0.1%	$119.83	0
2025-Q4	Increased	6.8M	+790.8%	$715.8M	0.3%	$106.06	61
2025-Q3	Decreased	763,368	-22.9%	$64.1M	0.0%	$77.91	0
2025-Q2	Decreased	989,794	-71.9%	$78.4M	0.0%	$77.66	0
2025-Q1	Decreased	3.5M	-1.6%	$316.4M	0.2%	$86.74	0
2024-Q4	Increased	3.6M	+99.3%	$356.2M	0.2%	$94.81	60
2024-Q3	Decreased	1.8M	-81.3%	$204.1M	0.1%	$108.70	0
2024-Q2	Decreased	9.6M	-4.8%	$1.2B	0.5%	$117.58	0
2024-Q1	Increased	10.1M	+66.5%	$1.3B	0.6%	$124.58	66
2023-Q4	Increased	6M	+76.8%	$659.3M	0.3%	$102.28	57
2023-Q3	Increased	3.4M	+7046.7%	$352.1M	0.2%	$95.89	60
2023-Q2	Increased	47,861	+27.8%	$5.5M	0.0%	$105.04	34
2023-Q1	Decreased	37,451	-97.4%	$4M	0.0%	$97.34	0
2022-Q4	Increased	1.4M	+7.0%	$159.5M	0.1%	$101.26	33
2022-Q3	Decreased	1.3M	-54.9%	$115.7M	0.1%	$78.55	0
2022-Q2	Increased	3M	+5.2%	$271.5M	0.2%	$83.20	39
2022-Q1	Increased	2.8M	+170.1%	$232.4M	0.1%	$73.51	59
2021-Q4	Increased	1M	+6.5%	$80.4M	0.0%	$68.21	32
2021-Q3	Increased	984,276	+109.7%	$73.9M	0.0%	$65.77	48
2021-Q2	Decreased	469,283	-54.3%	$36.5M	0.0%	$67.03	0
2021-Q1	Increased	1M	+39.4%	$79.2M	0.1%	$63.21	39
2020-Q4	Increased	737,195	+12.8%	$60.3M	0.0%	$65.61	33
2020-Q3	Increased	653,685	+135.7%	$54.2M	0.1%	$66.16	47
2020-Q2	Decreased	277,359	-83.4%	$21.4M	0.0%	$61.04	0
2020-Q1	Increased	1.7M	+17.3%	$128.5M	0.3%	$61.22	42
2019-Q4	Increased	1.4M	+2252.1%	$129.5M	0.2%	$71.83	58
2019-Q3	Increased	60,538	+187.1%	$5.1M	0.0%	$64.98	43
2019-Q2	New	21,090	-	$1.8M	0.0%	$65.28	36
2019-Q1	Exited	0	-100.0%	$0	0.0%	$64.32	0
2018-Q4	New	4.9M	-	$374.9M	0.6%	$57.90	61

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