FMR LLC

Position in MRK — Merck & Co., Inc.

CIK 315066 BOSTON, MA

Back to MRK Full portfolio

Position in MRK

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$5,354,830,840

+$1,056,373,905 QoQ

Shares Held

44,516,010

+9.0% QoQ

Ownership

1.80%

of shares outstanding

% of Portfolio

0.31%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 68.5568383150242.ToString("F0")% Shared 0.ToString("F0")% None 31.443161684975813.ToString("F0")%

Common Shares in MRK Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - General

Healthcare · as of Mar 31, 2026

FMR LLC holds $65,159,031,340 across 17 Drug Manufacturers - General names. MRK ranks #5 (8.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	LLY	ELI LILLY & Co	26,341,031	$24,227,690,080
2	GILD	Gilead Sciences, Inc.	71,906,290	$10,021,579,632
3	JNJ	Johnson & Johnson	24,771,828	$6,055,225,633
4	AZN	Astrazeneca PLC	29,601,724	$5,838,052,004
5	MRK	Merck & Co., Inc. This page	44,516,010	$5,354,830,840
6	ABBV	AbbVie Inc.	21,762,703	$4,733,170,273
7	GSK	GSK plc	67,661,646	$3,734,246,242
8	BIIB	Biogen Inc.	12,807,541	$2,348,006,489

All Filings in MRK

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$5,354,830,840	44,516,010	+9.0%	Shares	Defined	2026-05-15
2025-12-31	$4,298,456,935	40,836,566	+22.2%	Shares	Defined	2026-02-17
2025-09-30	$2,805,507,125	33,426,750	+5.9%	Shares	Defined	2025-11-13
2025-06-30	$2,498,774,452	31,566,125	-0.8%	Shares	Defined	2025-08-14
2025-03-31	$2,855,089,937	31,808,043	-14.9%	Shares	Defined	2025-05-12
2024-12-31	$3,716,629,699	37,360,572	-24.8%	Shares	Defined	2025-02-13
2024-09-30	$5,644,647,879	49,706,304	-1.9%	Shares	Defined	2024-11-13
2024-06-30	$6,270,872,842	50,653,254	-2.9%	Shares	Defined	2024-08-13
2024-03-31	$6,883,952,758	52,170,919	+21.9%	Shares	Defined	2024-05-13
2023-12-31	$4,666,057,851	42,800,017	+12.2%	Shares	Defined	2024-02-13
2023-09-30	$3,927,048,131	38,145,198	-2.1%	Shares	Defined	2023-11-13
2023-06-30	$4,496,130,499	38,964,646	+9.0%	Shares	Defined	2023-08-11
2023-03-31	$3,801,838,668	35,734,925	+30.2%	Shares	Defined	2023-08-11
2022-12-31	$3,045,908,460	27,452,983	+18.3%	Shares	Defined	2023-02-13
2022-09-30	$1,997,729,083	23,197,040	+3.8%	Shares	Defined	2022-11-10
2022-06-30	$2,037,608,380	22,349,549	+53.8%	Shares	Defined	2022-08-12
2022-03-31	$1,192,439,128	14,533,079	+3.3%	Shares	Defined	2022-05-13
2021-12-31	$1,078,324,873	14,070,001	+31.6%	Shares	Defined	2022-02-14
2021-09-30	$802,766,813	10,687,882	+3.2%	Shares	Defined	2022-02-14
2021-06-30	$805,531,782	10,357,873	+67.3%	Shares	Defined	2021-08-13
2021-03-31	$455,501,221	6,192,308	-18.7%	Shares	Defined	2021-05-14
2020-12-31	$594,777,988	7,620,142	-37.2%	Shares	Defined	2021-02-08
2020-09-30	$960,868,865	12,139,724	-6.3%	Shares	Defined	2020-11-13
2020-06-30	$956,121,889	12,957,653	+0.3%	Shares	Defined	2020-08-24
2020-03-31	$948,237,162	12,915,947	—	Shares	Defined	2020-05-14
No filing history on record for this holder in this stock.