Adage Capital Partners Gp, L.L.C. Merck & Co., Inc. Transaction History

Adage Capital Partners Gp, L.L.C.

$56.4 Billion
Q2 2025

A detailed history of Adage Capital Partners Gp, L.L.C. transactions in Merck & Co., Inc. stock. As of the latest transaction made, Adage Capital Partners Gp, L.L.C. holds 1,425,186 shares of MRK stock, worth $125 Million. This represents 0.2% of its overall portfolio holdings.

Number of Shares

1,425,186

Previous 2,026,500 29.67%

Holding current value

$125 Million

Previous $182 Million 37.98%

% of portfolio

0.2%

Previous 0.35%

32 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 14, 2025	SELL	$73.47 - $87.12 $44.2 Million - $52.4 Million	-601,314 Reduced 29.67%	1,425,186 $113 Million
Q1 2025 May 15, 2025	BUY	$83.01 - $101.02 $44.1 Million - $53.6 Million	530,939 Added 35.5%	2,026,500 $182 Million
Q4 2024 Feb 14, 2025	BUY	$96.31 - $114.76 $260,037 - $309,852	2,700 Added 0.18%	1,495,561 $149 Million
Q3 2024 Nov 14, 2024	SELL	$111.15 - $128.97 $187 Million - $216 Million	-1,678,326 Reduced 52.92%	1,492,861 $170 Million
Q2 2024 Aug 14, 2024	SELL	$123.8 - $132.96 $25.3 Million - $27.2 Million	-204,404 Reduced 6.06%	3,171,187 $393 Million
Q1 2024 May 15, 2024	BUY	$113.24 - $131.95 $168 Million - $195 Million	1,479,768 Added 78.05%	3,375,591 $445 Million
Q4 2023 Feb 14, 2024	SELL	$100.18 - $109.02 $96.5 Million - $105 Million	-963,016 Reduced 33.69%	1,895,823 $207 Million
Q3 2023 Nov 14, 2023	SELL	$102.95 - $114.33 $19,869 - $22,065	-193 Reduced 0.01%	2,858,839 $294 Million
Q2 2023 Aug 14, 2023	BUY	$108.61 - $118.38 $28.1 Million - $30.6 Million	258,407 Added 9.94%	2,859,032 $330 Million
Q1 2023 May 15, 2023	SELL	$102.94 - $114.86 $12.2 Million - $13.6 Million	-118,700 Reduced 4.37%	2,600,625 $277 Million
Q4 2022 Feb 14, 2023	BUY	$87.44 - $112.11 $35.3 Million - $45.3 Million	404,264 Added 17.46%	2,719,325 $302 Million
Q3 2022 Nov 14, 2022	BUY	$84.53 - $94.96 $67.8 Million - $76.1 Million	801,685 Added 52.97%	2,315,061 $199 Million
Q2 2022 Aug 15, 2022	BUY	$83.49 - $94.64 $25.9 Million - $29.4 Million	310,700 Added 25.83%	1,513,376 $138 Million
Q1 2022 May 16, 2022	SELL	$73.51 - $82.4 $41.1 Million - $46.1 Million	-559,000 Reduced 31.73%	1,202,676 $98.7 Million
Q4 2021 Feb 14, 2022	SELL	$72.28 - $90.54 $2.85 Million - $3.57 Million	-39,430 Reduced 2.19%	1,761,676 $135 Million
Q3 2021 Nov 15, 2021	BUY	$71.68 - $78.83 $21.2 Million - $23.3 Million	296,000 Added 19.67%	1,801,106 $135 Million
Q2 2021 Aug 16, 2021	SELL	$70.31 - $77.77 $130 Million - $144 Million	-1,846,200 Reduced 55.09%	1,505,106 $117 Million
Q1 2021 May 17, 2021	BUY	$68.86 - $81.11 $159 Million - $187 Million	2,302,300 Added 219.47%	3,351,306 $258 Million
Q4 2020 Feb 16, 2021	SELL	$71.77 - $79.65 $90.3 Million - $100 Million	-1,257,500 Reduced 54.52%	1,049,006 $85.8 Million
Q3 2020 Nov 16, 2020	BUY	$73.18 - $82.95 $5.36 Million - $6.08 Million	73,300 Added 3.28%	2,306,506 $191 Million
Q2 2020 Aug 14, 2020	SELL	$70.42 - $80.13 $41.9 Million - $47.7 Million	-594,700 Reduced 21.03%	2,233,206 $173 Million
Q1 2020 May 15, 2020	SELL	$63.36 - $87.82 $40.7 Million - $56.4 Million	-642,685 Reduced 18.52%	2,827,906 $218 Million
Q4 2019 Feb 14, 2020	SELL	$77.58 - $87.54 $14.6 Million - $16.4 Million	-187,800 Reduced 5.13%	3,470,591 $316 Million
Q3 2019 Nov 14, 2019	SELL	$76.08 - $82.93 $2.18 Million - $2.38 Million	-28,700 Reduced 0.78%	3,658,391 $308 Million
Q2 2019 Aug 14, 2019	SELL	$69.84 - $81.59 $38.9 Million - $45.5 Million	-557,102 Reduced 13.13%	3,687,091 $309 Million
Q1 2019 May 15, 2019	SELL	$69.58 - $79.36 $79.4 Million - $90.6 Million	-1,141,600 Reduced 21.2%	4,244,193 $353 Million
Q4 2018 Feb 14, 2019	SELL	$65.24 - $75.71 $73.5 Million - $85.3 Million	-1,126,140 Reduced 17.29%	5,385,793 $412 Million
Q3 2018 Nov 14, 2018	SELL	$57.69 - $67.84 $3.54 Million - $4.16 Million	-61,300 Reduced 0.93%	6,511,933 $462 Million
Q2 2018 Aug 14, 2018	BUY	$50.83 - $59.72 $168 Million - $198 Million	3,312,140 Added 101.57%	6,573,233 $399 Million
Q1 2018 May 15, 2018	SELL	$50.96 - $59.23 $36.8 Million - $42.7 Million	-721,600 Reduced 18.12%	3,261,093 $178 Million
Q4 2017 Feb 14, 2018	SELL	$51.62 - $61.64 $29.7 Million - $35.4 Million	-574,600 Reduced 12.61%	3,982,693 $224 Million
Q3 2017 Nov 14, 2017	BUY	$58.67 - $63.13 $267 Million - $288 Million	4,557,293	4,557,293 $292 Million

Others Institutions Holding MRK

# of Institutions

3,842

Shares Held

1.96B

Call Options Held

29.2M

Put Options Held

30M

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 $222B
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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Adage Capital Partners Gp, L.L.C. Merck & Co., Inc. Transaction History