D. E. Shaw & Co., Inc. Merck & Co., Inc. Transaction History

D. E. Shaw & Co., Inc.

$156 Billion
Q3 2025

A detailed history of D. E. Shaw & Co., Inc. transactions in Merck & Co., Inc. stock. As of the latest transaction made, D. E. Shaw & Co., Inc. holds 3,467,852 shares of MRK stock, worth $322 Million. This represents 0.19% of its overall portfolio holdings.

Number of Shares

3,467,852

Previous 10,367,789 66.55%

Holding current value

$322 Million

Previous $821 Million 64.54%

% of portfolio

0.19%

Previous 0.66%

33 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	SELL	$77.6 - $87.37 $535 Million - $603 Million	-6,899,937 Reduced 66.55%	3,467,852 $291 Million
Q2 2025 Aug 14, 2025	BUY	$73.47 - $87.12 $77.6 Million - $92 Million	1,056,063 Added 11.34%	10,367,789 $821 Million
Q1 2025 May 15, 2025	BUY	$83.01 - $101.02 $244 Million - $297 Million	2,936,922 Added 46.07%	9,311,726 $836 Million
Q4 2024 Feb 14, 2025	SELL	$96.31 - $114.76 $37.2 Million - $44.3 Million	-386,291 Reduced 5.71%	6,374,804 $634 Million
Q3 2024 Nov 14, 2024	BUY	$111.15 - $128.97 $487 Million - $565 Million	4,382,317 Added 184.23%	6,761,095 $768 Million

Q2 2024 Aug 14, 2024	BUY	$123.8 - $132.96 $44.2 Million - $47.5 Million	357,363 Added 17.68%	2,378,778 $294 Million
Q1 2024 May 15, 2024	SELL	$113.24 - $131.95 $47.7 Million - $55.6 Million	-421,015 Reduced 17.24%	2,021,415 $267 Million
Q4 2023 Feb 14, 2024	BUY	$100.18 - $109.02 $75.2 Million - $81.8 Million	750,290 Added 44.34%	2,442,430 $266 Million
Q3 2023 Nov 14, 2023	BUY	$102.95 - $114.33 $39 Million - $43.3 Million	378,731 Added 28.84%	1,692,140 $174 Million
Q2 2023 Aug 14, 2023	SELL	$108.61 - $118.38 $88 Million - $95.9 Million	-810,055 Reduced 38.15%	1,313,409 $152 Million
Q1 2023 May 15, 2023	BUY	$102.94 - $114.86 $80.9 Million - $90.3 Million	786,199 Added 58.79%	2,123,464 $226 Million
Q4 2022 Feb 14, 2023	BUY	$87.44 - $112.11 $108 Million - $138 Million	1,233,272 Added 1185.92%	1,337,265 $148 Million
Q3 2022 Nov 14, 2022	SELL	$84.53 - $94.96 $22.3 Million - $25.1 Million	-263,897 Reduced 71.73%	103,993 $8.96 Million
Q2 2022 Aug 15, 2022	SELL	$83.49 - $94.64 $26.1 Million - $29.6 Million	-312,737 Reduced 45.95%	367,890 $33.5 Million
Q1 2022 May 16, 2022	BUY	$73.51 - $82.4 $369,828 - $414,554	5,031 Added 0.74%	680,627 $55.8 Million
Q4 2021 Feb 14, 2022	SELL	$72.28 - $90.54 $208 Million - $260 Million	-2,871,462 Reduced 80.95%	675,596 $51.8 Million
Q3 2021 Nov 15, 2021	SELL	$71.68 - $78.83 $23.3 Million - $25.7 Million	-325,497 Reduced 8.41%	3,547,058 $266 Million
Q2 2021 Aug 16, 2021	SELL	$70.31 - $77.77 $417 Million - $461 Million	-5,930,639 Reduced 60.5%	3,872,555 $301 Million
Q1 2021 May 17, 2021	SELL	$68.86 - $81.11 $7.79 Million - $9.17 Million	-113,067 Reduced 1.14%	9,803,194 $756 Million
Q4 2020 Feb 16, 2021	BUY	$71.77 - $79.65 $288 Million - $320 Million	4,019,781 Added 68.17%	9,916,261 $811 Million
Q3 2020 Nov 16, 2020	SELL	$73.18 - $82.95 $201 Million - $228 Million	-2,746,222 Reduced 31.78%	5,896,480 $489 Million
Q2 2020 Aug 14, 2020	BUY	$70.42 - $80.13 $241 Million - $274 Million	3,421,204 Added 65.52%	8,642,702 $668 Million
Q1 2020 May 15, 2020	BUY	$63.36 - $87.82 $184 Million - $255 Million	2,899,596 Added 124.88%	5,221,498 $402 Million
Q4 2019 Feb 14, 2020	SELL	$77.58 - $87.54 $131 Million - $148 Million	-1,692,417 Reduced 42.16%	2,321,902 $211 Million
Q3 2019 Nov 14, 2019	SELL	$76.08 - $82.93 $71.4 Million - $77.8 Million	-937,977 Reduced 18.94%	4,014,319 $338 Million
Q2 2019 Aug 14, 2019	SELL	$69.84 - $81.59 $70.8 Million - $82.7 Million	-1,013,455 Reduced 16.99%	4,952,296 $415 Million
Q1 2019 May 15, 2019	BUY	$69.58 - $79.36 $54.7 Million - $62.4 Million	785,979 Added 15.17%	5,965,751 $496 Million
Q4 2018 Feb 14, 2019	SELL	$65.24 - $75.71 $53.5 Million - $62.1 Million	-820,071 Reduced 13.67%	5,179,772 $396 Million
Q3 2018 Nov 14, 2018	SELL	$57.69 - $67.84 $160 Million - $188 Million	-2,778,310 Reduced 31.65%	5,999,843 $426 Million
Q2 2018 Aug 14, 2018	SELL	$50.83 - $59.72 $389 Million - $457 Million	-7,655,492 Reduced 46.58%	8,778,153 $533 Million
Q1 2018 May 15, 2018	BUY	$50.96 - $59.23 $136 Million - $158 Million	2,666,913 Added 19.37%	16,433,645 $895 Million
Q4 2017 Feb 14, 2018	BUY	$51.62 - $61.64 $286 Million - $342 Million	5,544,095 Added 67.42%	13,766,732 $775 Million
Q3 2017 Nov 14, 2017	BUY	$58.67 - $63.13 $482 Million - $519 Million	8,222,637	8,222,637 $526 Million

Others Institutions Holding MRK

# of Institutions

3,881

Shares Held

1.9B

Call Options Held

31.1M

Put Options Held

28.5M

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 $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

Track This Portfolio

Portfolio Update

Get notified when there are updates to the investment portfolio of D. E. Shaw & Co., Inc., based on Form 13F filings with the SEC.

News

Stay updated on D. E. Shaw & Co., Inc. with notifications on news.

Account