O'Brien Wealth Partners LLC Merck & Co., Inc. Transaction History

O'Brien Wealth Partners LLC

$658 Million
Q3 2025

A detailed history of O'Brien Wealth Partners LLC transactions in Merck & Co., Inc. stock. As of the latest transaction made, O'Brien Wealth Partners LLC holds 5,320 shares of MRK stock, worth $494,015. This represents 0.07% of its overall portfolio holdings.

Number of Shares

5,320

Previous 2,130 149.77%

Holding current value

$494,015

Previous $168,000 165.48%

% of portfolio

0.07%

Previous 0.03%

26 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Oct 22, 2025	BUY	$77.6 - $87.37 $247,543 - $278,710	3,190 Added 149.77%	5,320 $446,000
Q2 2025 Jul 09, 2025	SELL	$73.47 - $87.12 $16,163 - $19,166	-220 Reduced 9.36%	2,130 $168,000
Q1 2025 Apr 28, 2025	BUY	$83.01 - $101.02 $20,752 - $25,255	250 Added 11.9%	2,350 $210,000
Q3 2024 Oct 23, 2024	SELL	$111.15 - $128.97 $2,223 - $2,579	-20 Reduced 0.94%	2,100 $238,000
Q2 2024 Jul 22, 2024	SELL	$123.8 - $132.96 $2,599 - $2,792	-21 Reduced 0.98%	2,120 $262,000

Q1 2024 Apr 18, 2024	SELL	$113.24 - $131.95 $1,585 - $1,847	-14 Reduced 0.65%	2,141 $282,000
Q4 2023 Jan 25, 2024	BUY	$100.18 - $109.02 $2,304 - $2,507	23 Added 1.08%	2,155 $234,000
Q2 2023 Aug 07, 2023	SELL	$108.61 - $118.38 $5,864 - $6,392	-54 Reduced 2.47%	2,132 $246,000
Q1 2023 May 08, 2023	SELL	$102.94 - $114.86 $8,441 - $9,418	-82 Reduced 3.62%	2,186 $232,000
Q4 2022 Feb 10, 2023	BUY	$87.44 - $112.11 $3,147 - $4,035	36 Added 1.61%	2,268 $251,000
Q3 2022 Nov 14, 2022	SELL	$84.53 - $94.96 $338 - $379	-4 Reduced 0.18%	2,232 $192,000
Q2 2022 Jul 22, 2022	SELL	$83.49 - $94.64 $1,502 - $1,703	-18 Reduced 0.8%	2,236 $204,000
Q1 2022 May 10, 2022	BUY	$73.51 - $82.4 $6,027 - $6,756	82 Added 3.78%	2,254 $198,000
Q3 2021 Oct 07, 2021	SELL	$71.68 - $78.83 $69,529 - $76,465	-970 Reduced 30.87%	2,172 $177,000
Q2 2021 Jul 12, 2021	BUY	$70.31 - $77.77 $24,186 - $26,752	344 Added 12.29%	3,142 $245,000
Q1 2021 Apr 13, 2021	SELL	$68.86 - $81.11 $3,236 - $3,812	-47 Reduced 1.65%	2,798 $211,000
Q4 2020 Jan 11, 2021	SELL	$71.77 - $79.65 $33,301 - $36,957	-464 Reduced 14.02%	2,845 $236,000
Q3 2020 Oct 09, 2020	BUY	$73.18 - $82.95 $46,103 - $52,258	630 Added 23.52%	3,309 $266,000
Q2 2020 Jul 10, 2020	BUY	$70.42 - $80.13 $188,655 - $214,668	2,679 New	2,679 $205,000
Q1 2020 Apr 03, 2020	SELL	$63.36 - $87.82 $278,720 - $386,320	-4,399 Closed	0 $0
Q4 2019 Jan 07, 2020	BUY	$77.58 - $87.54 $97,052 - $109,512	1,251 Added 39.74%	4,399 $403,000
Q2 2019 Jul 08, 2019	SELL	$69.84 - $81.59 $9,288 - $10,851	-133 Reduced 4.05%	3,148 $269,000
Q1 2019 Apr 05, 2019	BUY	$69.58 - $79.36 $9,254 - $10,554	133 Added 4.22%	3,281 $273,000
Q3 2018 Oct 09, 2018	BUY	$57.69 - $67.84 $181,608 - $213,560	3,148 New	3,148 $223,000
Q2 2018 Jul 11, 2018	SELL	$50.83 - $59.72 $88,952 - $104,510	-1,750 Closed	0 $0
Q1 2018 Apr 11, 2018	BUY	$50.96 - $59.23 $89,180 - $103,652	1,750 New	1,750 $95,000

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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O'Brien Wealth Partners LLC Merck & Co., Inc. Transaction History