Harbor Investment Advisory, LLC Merck & Co., Inc. Transaction History

Harbor Investment Advisory, LLC

$1.31 Billion
Q2 2025

A detailed history of Harbor Investment Advisory, LLC transactions in Merck & Co., Inc. stock. As of the latest transaction made, Harbor Investment Advisory, LLC holds 16,508 shares of MRK stock, worth $1.38 Million. This represents 0.1% of its overall portfolio holdings.

Number of Shares

16,508

Previous 19,809 16.66%

Holding current value

$1.38 Million

Previous $1.78 Million 26.55%

% of portfolio

0.1%

Previous 0.15%

23 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Jul 01, 2025	SELL	$73.47 - $87.12 $242,524 - $287,583	-3,301 Reduced 16.66%	16,508 $1.31 Million
Q1 2025 Apr 09, 2025	SELL	$83.01 - $101.02 $1.04 Million - $1.27 Million	-12,576 Reduced 38.83%	19,809 $1.78 Million
Q4 2024 Jan 16, 2025	BUY	$96.31 - $114.76 $328,128 - $390,987	3,407 Added 11.76%	32,385 $3.22 Million
Q3 2024 Oct 04, 2024	SELL	$111.15 - $128.97 $147,718 - $171,401	-1,329 Reduced 4.39%	28,978 $3.29 Million
Q2 2024 Jul 19, 2024	SELL	$123.8 - $132.96 $5,571 - $5,983	-45 Reduced 0.15%	30,307 $3.75 Million
Q1 2024 Apr 12, 2024	BUY	$113.24 - $131.95 $1,925 - $2,243	17 Added 0.06%	30,352 $4 Million
Q4 2023 Jan 26, 2024	BUY	$100.18 - $109.02 $139,550 - $151,864	1,393 Added 4.81%	30,335 $3.31 Million
Q3 2023 Oct 13, 2023	BUY	$102.95 - $114.33 $163,072 - $181,098	1,584 Added 5.79%	28,942 $2.98 Million
Q2 2023 Jul 14, 2023	BUY	$108.61 - $118.38 $37,036 - $40,367	341 Added 1.26%	27,358 $3.16 Million
Q1 2023 Apr 21, 2023	BUY	$102.94 - $114.86 $95,528 - $106,590	928 Added 3.56%	27,017 $2.87 Million
Q4 2022 Jan 24, 2023	BUY	$87.44 - $112.11 $70,476 - $90,360	806 Added 3.19%	26,089 $0
Q3 2022 Nov 01, 2022	BUY	$84.53 - $94.96 $87,404 - $98,188	1,034 Added 4.26%	25,283 $2.18 Million
Q2 2022 Jul 18, 2022	BUY	$83.49 - $94.64 $158,213 - $179,342	1,895 Added 8.48%	24,249 $2.21 Million
Q1 2022 Apr 20, 2022	SELL	$73.51 - $82.4 $266,914 - $299,194	-3,631 Reduced 13.97%	22,354 $1.83 Million
Q4 2021 Jan 10, 2022	BUY	$72.28 - $90.54 $174,411 - $218,473	2,413 Added 10.24%	25,985 $1.99 Million
Q3 2021 Oct 12, 2021	BUY	$71.68 - $78.83 $32,829 - $36,104	458 Added 1.98%	23,572 $1.77 Million
Q2 2021 Jul 27, 2021	SELL	$70.31 - $77.77 $98,574 - $109,033	-1,402 Reduced 5.72%	23,114 $1.8 Million
Q1 2021 Apr 16, 2021	BUY	$68.86 - $81.11 $109,625 - $129,127	1,592 Added 6.94%	24,516 $1.89 Million
Q4 2020 Feb 04, 2021	SELL	$71.77 - $79.65 $620,523 - $688,653	-8,646 Reduced 27.39%	22,924 $1.88 Million
Q3 2020 Oct 23, 2020	BUY	$73.18 - $82.95 $64,691 - $73,327	884 Added 2.88%	31,570 $2.62 Million
Q2 2020 Jul 16, 2020	BUY	$70.42 - $80.13 $222,949 - $253,691	3,166 Added 11.5%	30,686 $2.37 Million
Q1 2020 May 11, 2020	BUY	$63.36 - $87.82 $200,597 - $278,038	3,166 Added 13.0%	27,520 $2.12 Million
Q4 2019 Jan 16, 2020	BUY	$77.58 - $87.54 $1.89 Million - $2.13 Million	24,354 New	24,354 $2.22 Million

Others Institutions Holding MRK

# of Institutions

3,891

Shares Held

1.93B

Call Options Held

26.2M

Put Options Held

23.5M

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 $212B
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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Harbor Investment Advisory, LLC Merck & Co., Inc. Transaction History