Css LLC Merck & Co., Inc. Transaction History

Css LLC

$928 Million
Q3 2025

A detailed history of Css LLC transactions in Merck & Co., Inc. stock. As of the latest transaction made, Css LLC holds 17,655 shares of MRK stock, worth $1.64 Million. This represents 0.16% of its overall portfolio holdings.

Number of Shares

17,655

Previous 22,965 23.12%

Holding current value

$1.64 Million

Previous $1.82 Million 18.49%

% of portfolio

0.16%

Previous 0.19%

21 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 13, 2025	SELL	$77.6 - $87.37 $412,055 - $463,934	-5,310 Reduced 23.12%	17,655 $1.48 Million
Q2 2025 Aug 14, 2025	BUY	$73.47 - $87.12 $381,309 - $452,152	5,190 Added 29.2%	22,965 $1.82 Million
Q1 2025 May 15, 2025	BUY	$83.01 - $101.02 $143,607 - $174,764	1,730 Added 10.78%	17,775 $1.6 Million
Q4 2024 Feb 14, 2025	BUY	$96.31 - $114.76 $466,140 - $555,438	4,840 Added 43.2%	16,045 $1.6 Million
Q3 2024 Nov 14, 2024	BUY	$111.15 - $128.97 $500,730 - $581,009	4,505 Added 67.24%	11,205 $1.27 Million

Q2 2024 Aug 14, 2024	SELL	$123.8 - $132.96 $246,114 - $264,324	-1,988 Reduced 22.88%	6,700 $829,000
Q1 2024 May 15, 2024	SELL	$113.24 - $131.95 $113,240 - $131,950	-1,000 Reduced 10.32%	8,688 $1.15 Million
Q4 2023 Feb 14, 2024	BUY	$100.18 - $109.02 $350,630 - $381,570	3,500 Added 56.56%	9,688 $1.06 Million
Q3 2023 Nov 14, 2023	BUY	$102.95 - $114.33 $225,254 - $250,154	2,188 Added 54.7%	6,188 $637,000
Q2 2023 Aug 14, 2023	SELL	$108.61 - $118.38 $54,305 - $59,190	-500 Reduced 11.11%	4,000 $461,000
Q1 2023 May 15, 2023	BUY	$102.94 - $114.86 $103,042 - $114,974	1,001 Added 28.61%	4,500 $478,000
Q4 2022 Feb 14, 2023	SELL	$87.44 - $112.11 $349,847 - $448,552	-4,001 Reduced 53.35%	3,499 $388,000
Q3 2022 Nov 14, 2022	BUY	$84.53 - $94.96 $633,975 - $712,200	7,500 New	7,500 $646,000
Q1 2022 May 16, 2022	SELL	$73.51 - $82.4 $147,020 - $164,800	-2,000 Reduced 28.57%	5,000 $410,000
Q4 2021 Feb 14, 2022	BUY	$72.28 - $90.54 $505,960 - $633,780	7,000 New	7,000 $536,000
Q4 2020 Feb 16, 2021	SELL	$71.77 - $79.65 $1.54 Million - $1.71 Million	-21,483 Closed	0 $0
Q3 2020 Nov 16, 2020	BUY	$73.18 - $82.95 $1.57 Million - $1.78 Million	21,483 New	21,483 $1.78 Million
Q2 2020 Aug 14, 2020	SELL	$70.42 - $80.13 $55,068 - $62,661	-782 Closed	0 $0
Q1 2020 May 15, 2020	BUY	$63.36 - $87.82 $49,547 - $68,675	782 New	782 $60,000
Q3 2019 Nov 14, 2019	SELL	$76.08 - $82.93 $121,728 - $132,688	-1,600 Closed	0 $0
Q2 2019 Aug 14, 2019	BUY	$69.84 - $81.59 $111,744 - $130,544	1,600 New	1,600 $134,000

Others Institutions Holding MRK

# of Institutions

3,878

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, ...

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