Vanguard Group Inc Merck & Co., Inc. Transaction History

Vanguard Group Inc

$6.57 Trillion
Q4 2025

A detailed history of Vanguard Group Inc transactions in Merck & Co., Inc. stock. As of the latest transaction made, Vanguard Group Inc holds 254,322,763 shares of MRK stock, worth $23.6 Billion. This represents 0.36% of its overall portfolio holdings.

Number of Shares

254,322,763

Previous 252,136,910 0.87%

Holding current value

$23.6 Billion

Previous $21.2 Billion 11.6%

% of portfolio

0.36%

Previous 0.33%

20 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q4 2025 Jan 29, 2026	BUY	$82.49 - $92.93 $180 Million - $203 Million	2,185,853 Added 0.87%	254,322,763 $23.6 Billion
Q3 2025 Nov 07, 2025	SELL	$77.6 - $87.37 $60.3 Million - $67.9 Million	-777,516 Reduced 0.31%	252,136,910 $21.2 Billion
Q2 2025 Aug 11, 2025	BUY	$73.47 - $87.12 $29.5 Million - $34.9 Million	401,045 Added 0.16%	252,914,426 $20 Billion
Q1 2025 May 09, 2025	BUY	$83.01 - $101.02 $118 Million - $143 Million	1,417,274 Added 0.56%	252,513,381 $22.7 Billion
Q4 2024 Feb 11, 2025	BUY	$96.31 - $114.76 $124 Million - $148 Million	1,292,192 Added 0.52%	251,096,107 $25 Billion

Q3 2024 Nov 13, 2024	BUY	$111.15 - $128.97 $570 Million - $661 Million	5,126,701 Added 2.1%	249,803,915 $28.4 Billion
Q2 2024 Aug 13, 2024	BUY	$123.8 - $132.96 $174 Million - $187 Million	1,407,315 Added 0.58%	244,677,214 $30.3 Billion
Q1 2024 May 10, 2024	SELL	$113.24 - $131.95 $171 Million - $199 Million	-1,506,848 Reduced 0.62%	243,269,899 $32.1 Billion
Q4 2023 Feb 14, 2024	BUY	$100.18 - $109.02 $124 Million - $135 Million	1,236,228 Added 0.51%	244,776,747 $26.7 Billion
Q3 2023 Nov 14, 2023	SELL	$102.95 - $114.33 $10.3 Million - $11.4 Million	-99,634 Reduced 0.04%	243,540,519 $25.1 Billion
Q2 2023 Aug 14, 2023	SELL	$108.61 - $118.38 $33.1 Million - $36.1 Million	-304,970 Reduced 0.13%	243,640,153 $28.1 Billion
Q1 2023 Jul 14, 2023	BUY	$102.94 - $114.86 $849,255 - $947,595	8,250 Added 0.0%	243,945,123 $26 Billion
Q1 2023 May 15, 2023	BUY	$102.94 - $114.86 $1.72 Billion - $1.92 Billion	16,730,895 Added 7.36%	243,936,873 $26 Billion
Q4 2022 Feb 10, 2023	BUY	$87.44 - $112.11 $269 Million - $344 Million	3,071,530 Added 1.37%	227,205,978 $25.2 Billion
Q3 2022 Nov 14, 2022	BUY	$84.53 - $94.96 $260 Million - $293 Million	3,081,402 Added 1.39%	224,134,448 $19.3 Billion
Q2 2022 Aug 12, 2022	BUY	$83.49 - $94.64 $414 Million - $469 Million	4,956,989 Added 2.29%	221,053,046 $20.2 Billion
Q1 2022 May 13, 2022	BUY	$73.51 - $82.4 $360 Million - $403 Million	4,893,526 Added 2.32%	216,096,057 $17.7 Billion
Q4 2021 Feb 14, 2022	BUY	$72.28 - $90.54 $53.1 Million - $66.5 Million	734,443 Added 0.35%	211,202,531 $16.2 Billion
Q3 2021 Nov 12, 2021	SELL	$71.68 - $78.83 $1.08 Billion - $1.19 Billion	-15,085,702 Reduced 6.69%	210,468,088 $15.8 Billion
Q2 2021 Aug 13, 2021	BUY	$70.31 - $77.77 $15.9 Billion - $17.5 Billion	225,553,790 New	225,553,790 $17.5 Billion

Others Institutions Holding MRK

# of Institutions

3,968

Shares Held

1.9B

Call Options Held

29.9M

Put Options Held

27.3M

View Full List

About Merck & Co., Inc.

Ticker MRK
Exchange NYSE
Sector Healthcare
Industry Drug Manufacturers—General
Shares Outstandng 2,533,280,000
Market Cap $235B
Description
Merck & Co., Inc. operates as a healthcare company worldwide. It operates through two segments, Pharmaceutical and Animal Health. The Pharmaceutical segment offers human health pharmaceutical products in the areas of oncology, hospital acute care, immunology, neuroscience, virology, cardiovascular, and diabetes, as well as vaccine products, ...

More about MRK

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Vanguard Group Inc Merck & Co., Inc. Transaction History