DIMENSIONAL FUND ADVISORS LP

Position in MRK — Merck & Co., Inc.

CIK 354204 AUSTIN, TX

Back to MRK Full portfolio

Position in MRK

as of Mar 31, 2026 · filed May 7, 2026 Compact

Position Value

$1,859,206,929

+$544,911,309 QoQ

Shares Held

15,456,039

+23.8% QoQ

Ownership

0.626%

of shares outstanding

% of Portfolio

0.39%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 80.95599396455975.ToString("F0")% Shared 11.15568484266894.ToString("F0")% None 7.8883211927713175.ToString("F0")%

Common Shares in MRK Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - General

Healthcare · as of Mar 31, 2026

DIMENSIONAL FUND ADVISORS LP holds $16,975,027,289 across 14 Drug Manufacturers - General names. MRK ranks #3 (11.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	JNJ	Johnson & Johnson	15,832,514	$3,870,099,719
2	LLY	ELI LILLY & Co	3,895,925	$3,583,354,934
3	MRK	Merck & Co., Inc. This page	15,456,039	$1,859,206,929
4	ABBV	AbbVie Inc.	7,411,238	$1,611,870,150
5	NVS	Novartis AG	8,110,116	$1,238,820,217
6	AMGN	Amgen Inc	3,304,344	$1,162,633,435
7	BMY	Bristol Myers Squibb Co	18,762,589	$1,137,951,021
8	GILD	Gilead Sciences, Inc.	7,722,929	$1,076,344,612

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	$1,859,206,929	15,456,039	+23.8%	Shares	Sole	2026-05-07
2025-12-31	$1,314,295,620	12,486,183	+14.8%	Shares	Sole	2026-02-12
2025-09-30	$912,954,783	10,877,574	+2.4%	Shares	Sole	2025-11-12
2025-06-30	$840,927,919	10,623,142	-2.7%	Shares	Sole	2025-08-12
2025-03-31	$979,661,014	10,914,227	-5.7%	Shares	Sole	2025-05-13
2024-12-31	$1,151,733,180	11,577,535	+63.1%	Shares	Sole	2025-02-13
2024-09-30	$805,995,277	7,097,528	+14.4%	Shares	Sole	2024-11-07
2024-06-30	$767,798,436	6,201,926	+7.5%	Shares	Sole	2024-08-09
2024-03-31	$761,463,919	5,770,852	-2.8%	Shares	Sole	2024-05-10
2023-12-31	$647,527,013	5,939,525	-32.1%	Shares	Sole	2024-02-07
2023-09-30	$900,522,487	8,747,183	-9.2%	Shares	Sole	2023-11-09
2023-06-30	$1,111,634,718	9,633,718	+1.4%	Shares	Sole	2023-08-09
2023-03-31	$1,011,055,126	9,503,291	+2.6%	Shares	Sole	2023-05-12
2022-12-31	$1,027,653,291	9,262,310	+5.4%	Shares	Sole	2023-02-09
2022-09-30	$756,658,413	8,786,094	+12.9%	Shares	Sole	2022-11-10
2022-06-30	$709,421,756	7,781,307	+3.3%	Shares	Sole	2022-08-12
2022-03-31	$618,093,726	7,533,135	-16.9%	Shares	Defined	2022-05-13
2021-12-31	$694,775,244	9,065,439	-7.4%	Shares	Defined	2022-02-09
2021-09-30	$735,475,016	9,791,972	-1.2%	Shares	Defined	2021-11-12
2021-06-30	$770,993,737	9,913,768	-2.3%	Shares	Defined	2021-08-12
2021-03-31	$746,372,394	10,146,554	-0.4%	Shares	Defined	2021-05-14
2020-12-31	$794,902,928	10,184,091	-1.5%	Shares	Defined	2021-03-08
2020-09-30	$818,473,806	10,340,689	+3.8%	Shares	Defined	2020-11-12
2020-06-30	$735,163,864	9,963,163	+4.5%	Shares	Defined	2020-08-13
2020-03-31	$699,862,761	9,532,837	—	Shares	Defined	2020-05-14
No filing history on record for this holder in this stock.