Mariner, LLC Merck & Co., Inc. Transaction History

Mariner, LLC

$75.9 Billion
Q3 2025

A detailed history of Mariner, LLC transactions in Merck & Co., Inc. stock. As of the latest transaction made, Mariner, LLC holds 2,527,966 shares of MRK stock, worth $235 Million. This represents 0.28% of its overall portfolio holdings.

Number of Shares

2,527,966

Previous 2,492,387 1.43%

Holding current value

$235 Million

Previous $197 Million 7.54%

% of portfolio

0.28%

Previous 0.29%

33 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	BUY	$77.6 - $87.37 $2.76 Million - $3.11 Million	35,579 Added 1.43%	2,527,966 $212 Million
Q2 2025 Aug 14, 2025	SELL	$73.47 - $87.12 $18.1 Million - $21.4 Million	-245,786 Reduced 8.98%	2,492,387 $197 Million
Q1 2025 May 15, 2025	BUY	$83.01 - $101.02 $78.3 Million - $95.3 Million	943,144 Added 52.54%	2,738,173 $246 Million
Q4 2024 Feb 13, 2025	BUY	$96.31 - $114.76 $11.7 Million - $14 Million	121,709 Added 7.27%	1,795,029 $179 Million
Q3 2024 Nov 13, 2024	BUY	$111.15 - $128.97 $1.53 Million - $1.78 Million	13,808 Added 0.83%	1,673,320 $190 Million

Q2 2024 Aug 13, 2024	BUY	$123.8 - $132.96 $6.08 Million - $6.52 Million	49,073 Added 3.05%	1,659,512 $205 Million
Q1 2024 May 15, 2024	BUY	$113.24 - $131.95 $2.56 Million - $2.98 Million	22,574 Added 1.42%	1,610,439 $212 Million
Q4 2023 Feb 14, 2024	SELL	$100.18 - $109.02 $765,775 - $833,348	-7,644 Reduced 0.48%	1,587,865 $173 Million
Q3 2023 Nov 13, 2023	BUY	$102.95 - $114.33 $6.1 Million - $6.77 Million	59,234 Added 3.86%	1,595,509 $164 Million
Q2 2023 Aug 11, 2023	BUY	$108.61 - $118.38 $3.05 Million - $3.33 Million	28,102 Added 1.86%	1,536,275 $177 Million
Q1 2023 May 12, 2023	BUY	$102.94 - $114.86 $6.32 Million - $7.05 Million	61,407 Added 4.24%	1,508,173 $160 Million
Q4 2022 Feb 14, 2023	BUY	$87.44 - $112.11 $13.1 Million - $16.8 Million	149,941 Added 11.56%	1,446,766 $161 Million
Q3 2022 Nov 10, 2022	BUY	$84.53 - $94.96 $4.6 Million - $5.17 Million	54,451 Added 4.38%	1,296,825 $112 Million
Q2 2022 Aug 15, 2022	BUY	$83.49 - $94.64 $6.31 Million - $7.15 Million	75,527 Added 6.47%	1,242,374 $113 Million
Q1 2022 May 13, 2022	SELL	$73.51 - $82.4 $19 Million - $21.2 Million	-257,872 Reduced 18.1%	1,166,847 $95.7 Million
Q4 2021 Feb 14, 2022	BUY	$72.28 - $90.54 $13 Million - $16.3 Million	179,720 Added 14.44%	1,424,719 $109 Million
Q3 2021 Nov 15, 2021	BUY	$71.68 - $78.83 $9.13 Million - $10 Million	127,400 Added 11.4%	1,244,999 $93.5 Million
Q2 2021 Aug 24, 2021	BUY	$70.31 - $77.77 $5.02 Million - $5.56 Million	71,434 Added 6.83%	1,117,599 $86.9 Million
Q1 2021 May 07, 2021	BUY	$68.86 - $81.11 $5.09 Million - $5.99 Million	73,867 Added 7.6%	1,046,165 $80.6 Million
Q4 2020 Feb 16, 2021	BUY	$71.77 - $79.65 $6.65 Million - $7.38 Million	92,713 Added 10.54%	972,298 $79.5 Million
Q3 2020 Nov 13, 2020	SELL	$73.18 - $82.95 $793,417 - $899,343	-10,842 Reduced 1.22%	879,585 $73 Million
Q2 2020 Aug 14, 2020	BUY	$70.42 - $80.13 $4.13 Million - $4.7 Million	58,675 Added 7.05%	890,427 $68.9 Million
Q1 2020 May 14, 2020	BUY	$63.36 - $87.82 $1.92 Million - $2.66 Million	30,335 Added 3.79%	831,752 $64.1 Million
Q4 2019 Feb 13, 2020	BUY	$77.58 - $87.54 $2.3 Million - $2.59 Million	29,610 Added 3.84%	801,417 $72.9 Million
Q3 2019 Nov 13, 2019	BUY	$76.08 - $82.93 $1.47 Million - $1.6 Million	19,305 Added 2.57%	771,807 $65 Million
Q2 2019 Aug 14, 2019	BUY	$69.84 - $81.59 $3.86 Million - $4.51 Million	55,266 Added 7.93%	752,502 $63.1 Million
Q1 2019 May 15, 2019	BUY	$69.58 - $79.36 $12.2 Million - $13.9 Million	174,903 Added 33.48%	697,236 $47.8 Million
Q4 2018 Feb 13, 2019	BUY	$65.24 - $75.71 $28.1 Million - $32.6 Million	429,979 Added 465.58%	522,333 $39.9 Million
Q3 2018 Nov 14, 2018	BUY	$57.69 - $67.84 $681,145 - $800,986	11,807 Added 14.66%	92,354 $6.55 Million
Q2 2018 Aug 14, 2018	BUY	$50.83 - $59.72 $779,732 - $916,104	15,340 Added 23.53%	80,547 $4.89 Million
Q1 2018 May 15, 2018	BUY	$50.96 - $59.23 $453,340 - $526,910	8,896 Added 15.8%	65,207 $3.55 Million
Q4 2017 Feb 09, 2018	BUY	$51.62 - $61.64 $793,967 - $948,084	15,381 Added 37.58%	56,311 $3.17 Million
Q3 2017 Nov 14, 2017	BUY	$58.67 - $63.13 $2.4 Million - $2.58 Million	40,930	40,930 $2.62 Million

Others Institutions Holding MRK

# of Institutions

3,875

Shares Held

1.9B

Call Options Held

30.1M

Put Options Held

27.7M

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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