Acadian Asset Management LLC Merck & Co., Inc. Transaction History

Acadian Asset Management LLC

  • $57.3 Billion
  • Q3 2025

A detailed history of Acadian Asset Management LLC transactions in Merck & Co., Inc. stock. As of the latest transaction made, Acadian Asset Management LLC holds 2,202,965 shares of MRK stock, worth $205 Million. This represents 0.32% of its overall portfolio holdings.

Number of Shares
2,202,965
Previous 4,178,385 47.28%
Holding current value
$205 Million
Previous $331 Million 44.1%
% of portfolio
0.32%
Previous 0.68%

Shares

34 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2025

Nov 13, 2025
SELL
$77.6 - $87.37 $153 Million - $173 Million
-1,975,420 Reduced 47.28%
2,202,965 $185 Million
Q2 2025

Aug 07, 2025
BUY
$73.47 - $87.12 $116 Million - $138 Million
1,583,692 Added 61.04%
4,178,385 $331 Million
Q1 2025

May 21, 2025
BUY
$83.01 - $101.02 $168 Million - $205 Million
2,027,957 Added 357.83%
2,594,693 $233 Million
Q4 2024

Feb 11, 2025
SELL
$96.31 - $114.76 $13.4 Million - $16 Million
-139,257 Reduced 19.72%
566,736 $56.4 Million
Q3 2024

Nov 12, 2024
BUY
$111.15 - $128.97 $17.4 Million - $20.2 Million
156,525 Added 28.49%
705,993 $80.2 Million
Q2 2024

Aug 06, 2024
BUY
$123.8 - $132.96 $47.6 Million - $51.1 Million
384,605 Added 233.29%
549,468 $68 Million
Q1 2024

May 10, 2024
BUY
$113.24 - $131.95 $9.58 Million - $11.2 Million
84,597 Added 105.4%
164,863 $21.7 Million
Q4 2023

Feb 13, 2024
SELL
$100.18 - $109.02 $27.3 Million - $29.7 Million
-272,400 Reduced 77.24%
80,266 $8.75 Million
Q3 2023

Nov 13, 2023
SELL
$102.95 - $114.33 $58.1 Million - $64.6 Million
-564,803 Reduced 61.56%
352,666 $36.3 Million
Q2 2023

Aug 07, 2023
SELL
$108.61 - $118.38 $16.1 Million - $17.5 Million
-148,141 Reduced 13.9%
917,469 $106 Million
Q1 2023

May 11, 2023
SELL
$102.94 - $114.86 $11.7 Million - $13 Million
-113,606 Reduced 9.63%
1,065,610 $113 Million
Q4 2022

Feb 14, 2023
BUY
$87.44 - $112.11 $48.7 Million - $62.4 Million
556,927 Added 89.5%
1,179,216 $131 Million
Q3 2022

Nov 14, 2022
SELL
$84.53 - $94.96 $7.53 Million - $8.45 Million
-89,035 Reduced 12.52%
622,289 $53.6 Million
Q3 2022

Nov 14, 2022
SELL
$84.53 - $94.96 $7.53 Million - $8.45 Million
-89,035 Reduced 12.52%
622,289 $53.6 Million
Q2 2022

Aug 09, 2022
SELL
$83.49 - $94.64 $27.8 Million - $31.5 Million
-333,166 Reduced 31.9%
711,324 $64.9 Million
Q1 2022

May 12, 2022
SELL
$73.51 - $82.4 $70.6 Million - $79.2 Million
-960,568 Reduced 47.91%
1,044,490 $85.7 Million
Q4 2021

Feb 10, 2022
BUY
$72.28 - $90.54 $4.58 Million - $5.73 Million
63,326 Added 3.26%
2,005,058 $154 Million
Q3 2021

Nov 12, 2021
BUY
$71.68 - $78.83 $44.5 Million - $48.9 Million
620,144 Added 46.92%
1,941,732 $146 Million
Q2 2021

Aug 11, 2021
SELL
$70.31 - $77.77 $76.2 Million - $84.3 Million
-1,083,622 Reduced 45.05%
1,321,588 $103 Million
Q1 2021

May 11, 2021
BUY
$68.86 - $81.11 $47.1 Million - $55.5 Million
684,262 Added 39.76%
2,405,210 $185 Million
Q4 2020

Feb 11, 2021
BUY
$71.77 - $79.65 $27.4 Million - $30.4 Million
382,191 Added 28.55%
1,720,948 $141 Million
Q3 2020

Nov 09, 2020
SELL
$73.18 - $82.95 $23.3 Million - $26.4 Million
-318,319 Reduced 19.21%
1,338,757 $111 Million
Q2 2020

Aug 12, 2020
BUY
$70.42 - $80.13 $60.4 Million - $68.7 Million
857,133 Added 107.15%
1,657,076 $128 Million
Q1 2020

May 11, 2020
BUY
$63.36 - $87.82 $31.9 Million - $44.2 Million
503,147 Added 169.53%
799,943 $61.5 Million
Q4 2019

Feb 06, 2020
SELL
$77.58 - $87.54 $3.74 Million - $4.21 Million
-48,146 Reduced 13.96%
296,796 $27 Million
Q3 2019

Nov 07, 2019
BUY
$76.08 - $82.93 $13.3 Million - $14.4 Million
174,227 Added 102.06%
344,942 $29 Million
Q2 2019

Aug 08, 2019
SELL
$69.84 - $81.59 $16.6 Million - $19.4 Million
-238,042 Reduced 58.24%
170,715 $14.3 Million
Q1 2019

May 09, 2019
SELL
$69.58 - $79.36 $33.2 Million - $37.9 Million
-477,416 Reduced 53.87%
408,757 $34 Million
Q4 2018

Feb 07, 2019
BUY
$65.24 - $75.71 $4.07 Million - $4.72 Million
62,309 Added 7.56%
886,173 $67.7 Million
Q3 2018

Oct 30, 2018
BUY
$57.69 - $67.84 $6.56 Million - $7.71 Million
113,688 Added 16.01%
823,864 $58.4 Million
Q2 2018

Jul 24, 2018
SELL
$50.83 - $59.72 $8.6 Million - $10.1 Million
-169,233 Reduced 19.24%
710,176 $43.1 Million
Q1 2018

Apr 12, 2018
BUY
$50.96 - $59.23 $37.2 Million - $43.2 Million
730,048 Added 488.78%
879,409 $47.9 Million
Q4 2017

Jan 18, 2018
BUY
$51.62 - $61.64 $500,559 - $597,723
9,697 Added 6.94%
149,361 $8.4 Million
Q3 2017

Oct 13, 2017
BUY
$58.67 - $63.13 $8.19 Million - $8.82 Million
139,664
139,664 $8.94 Million

Others Institutions Holding MRK

# of Institutions
3,877
Shares Held
1.9B
Call Options Held
30.1M
Put Options Held
27.7M
View Full List

About Merck & Co., Inc.

MRK Quotes by TradingView
  • 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
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