Twin Tree Management, LP Merck & Co., Inc. Transaction History

Twin Tree Management, LP

$51.8 Billion
Q2 2025

A detailed history of Twin Tree Management, LP transactions in Merck & Co., Inc. stock. As of the latest transaction made, Twin Tree Management, LP holds 172,940 shares of MRK stock, worth $13.7 Million. This represents 0.03% of its overall portfolio holdings.

Number of Shares

172,940

Previous 776,400 77.73%

Holding current value

$13.7 Million

Previous $69.7 Million 80.36%

% of portfolio

0.03%

Previous 0.13%

17 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Jul 28, 2025	BUY	$73.47 - $87.12 $12.7 Million - $15.1 Million	172,940 New	172,940 $13.7 Million
Q4 2024 Feb 10, 2025	BUY	$96.31 - $114.76 $7.95 Million - $9.48 Million	82,568 New	82,568 $8.21 Million
Q1 2024 May 09, 2024	BUY	$113.24 - $131.95 $9.12 Million - $10.6 Million	80,575 Added 25.57%	395,696 $52.2 Million
Q4 2023 Feb 14, 2024	BUY	$100.18 - $109.02 $29.7 Million - $32.3 Million	296,337 Added 1577.6%	315,121 $34.4 Million
Q3 2023 Nov 14, 2023	SELL	$102.95 - $114.33 $4.66 Million - $5.18 Million	-45,267 Reduced 70.67%	18,784 $1.93 Million
Q2 2023 Aug 11, 2023	BUY	$108.61 - $118.38 $673,490 - $734,074	6,201 Added 10.72%	64,051 $7.39 Million
Q1 2023 May 10, 2023	SELL	$102.94 - $114.86 $52.4 Million - $58.5 Million	-509,340 Reduced 89.8%	57,850 $6.15 Million
Q4 2022 Feb 13, 2023	BUY	$87.44 - $112.11 $32.8 Million - $42 Million	374,937 Added 195.02%	567,190 $62.9 Million
Q3 2022 Nov 10, 2022	BUY	$84.53 - $94.96 $5.56 Million - $6.25 Million	65,825 Added 52.07%	192,253 $16.6 Million
Q2 2022 Aug 11, 2022	SELL	$83.49 - $94.64 $6.59 Million - $7.48 Million	-78,988 Reduced 38.45%	126,428 $11.5 Million
Q3 2021 Nov 12, 2021	BUY	$71.68 - $78.83 $1.76 Million - $1.93 Million	24,534 Added 13.56%	205,416 $15.4 Million
Q1 2021 May 17, 2021	BUY	$68.86 - $81.11 $9.73 Million - $11.5 Million	141,263 Added 356.55%	180,882 $13.9 Million
Q4 2020 Feb 12, 2021	BUY	$71.77 - $79.65 $2.37 Million - $2.63 Million	33,053 Added 503.4%	39,619 $3.24 Million
Q2 2020 Aug 12, 2020	SELL	$70.42 - $80.13 $5.03 Million - $5.73 Million	-71,469 Reduced 91.59%	6,566 $508,000
Q2 2018 Aug 08, 2018	BUY	$50.83 - $59.72 $3.11 Million - $3.66 Million	61,266 Added 365.35%	78,035 $4.74 Million
Q1 2018 May 09, 2018	SELL	$50.96 - $59.23 $2.97 Million - $3.45 Million	-58,228 Reduced 77.64%	16,769 $913,000
Q3 2017 Nov 13, 2017	BUY	$58.67 - $63.13 $4.4 Million - $4.73 Million	74,997	74,997 $4.8 Million

Others Institutions Holding MRK

# of Institutions

3,877

Shares Held

1.92B

Call Options Held

25.7M

Put Options Held

24.2M

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 $201B
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

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Twin Tree Management, LP Merck & Co., Inc. Transaction History