Latest Institutional Transactions on Merck & Co., Inc. (MRK)
This table provides information on the latest institutional transactions involving Merck & Co., Inc. (MRK) stock. The table includes the name of the institution, the type of operation (buy or sell), whether options were involved, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the transaction has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
May 15, 2025
Q1 2025
|
Dark Forest Capital Management LP
Weston, CT |
BUY
|
- |
9.36K+ 380.45% |
$777K - $945K
|
11.8K
$908K
|
|
|
May 15, 2025
Q1 2025
|
Parallax Volatility Advisers, L.P.
San Francisco, CA |
SELL
|
PUT |
-396K- 95.17% |
$32.9M - $40M
|
20.1K
$1.54M
|
|
|
May 15, 2025
Q1 2025
|
Cubist Systematic Strategies, LLC
Stamford, CT |
BUY
|
PUT |
104K+ 72.5% |
$8.6M - $10.5M
|
247K
$18.9M
|
|
|
May 15, 2025
Q1 2025
|
Steven Cohen
Point72 Asset Management, L.P. | Stamford, Ct
|
BUY
|
PUT |
100K+ 5000.0% |
$8.3M - $10.1M
|
102K
$7.84M
|
|
|
May 15, 2025
Q1 2025
|
Df Dent & CO Inc
Baltimore, MD |
SELL
|
- |
-5.62K- 10.94% |
$466K - $567K
|
45.7K
$3.51M
|
|
|
May 15, 2025
Q1 2025
|
D. E. Shaw & Co., Inc.
New York, NY |
BUY
|
- |
2.94M+ 46.07% |
$244M - $297M
|
9.31M
$716M
|
|
|
May 15, 2025
Q1 2025
|
D. E. Shaw & Co., Inc.
New York, NY |
SELL
|
PUT |
-22.8K- 4.19% |
$1.89M - $2.3M
|
521K
$40.1M
|
|
|
May 15, 2025
Q1 2025
|
Joel Greenblatt
Gotham Asset Management, LLC | New York, Ny
|
SELL
|
- |
-29.6K- 6.97% |
$2.46M - $2.99M
|
395K
$30.4M
|
|
|
May 15, 2025
Q1 2025
|
Occudo Quantitative Strategies LP
Fort Lauderdale, FL |
BUY
|
- |
8.14KNew |
$676K - $822K
|
8.14K
$625K
|
|
|
May 15, 2025
Q1 2025
|
Aqr Capital Management LLC
Greenwich, CT |
BUY
|
- |
2.38M+ 44.26% |
$198M - $240M
|
7.76M
$596M
|
|
|
May 15, 2025
Q1 2025
|
New England Asset Management Inc
Farmington, CT |
BUY
|
- |
14K+ 44.8% |
$1.16M - $1.42M
|
45.3K
$3.48M
|
|
|
May 15, 2025
Q1 2025
|
Paloma Partners Management CO
Greenwich, CT |
BUY
|
- |
5.89KNew |
$489K - $595K
|
5.89K
$452K
|
|
|
May 15, 2025
Q1 2025
|
Man Group PLC
London, X0 |
BUY
|
- |
1.25M+ 98.89% |
$104M - $126M
|
2.51M
$193M
|
|
|
May 15, 2025
Q1 2025
|
Man Group PLC
London, X0 |
BUY
|
PUT |
43.6K+ 21.63% |
$3.62M - $4.4M
|
245K
$18.8M
|
|
|
May 15, 2025
Q1 2025
|
Zurich Insurance Group LTD
Zurich, V8 |
SELL
|
- |
-561K- 94.56% |
$46.6M - $56.7M
|
32.3K
$2.48M
|
|
|
May 15, 2025
Q1 2025
|
Alliancebernstein L.P.
New York, NY |
SELL
|
- |
-873K- 7.86% |
$72.5M - $88.2M
|
10.2M
$787M
|
|
|
May 15, 2025
Q1 2025
|
Holt Capital Advisors, L.L.C. Dba Holt Capital Partners, L.P.
Fort Worth, TX |
SELL
|
- |
-1.95K- 37.86% |
$162K - $197K
|
3.2K
$246K
|
|
|
May 15, 2025
Q1 2025
|
Armistice Capital, LLC
New York, NY |
BUY
|
- |
324KNew |
$26.9M - $32.7M
|
324K
$24.9M
|
|
|
May 15, 2025
Q1 2025
|
Amundi
Paris, I0 |
BUY
|
- |
3.54M+ 37.15% |
$294M - $358M
|
13.1M
$1B
|
|
|
May 15, 2025
Q1 2025
|
Ancora Advisors, LLC
Cleveland, OH |
BUY
|
- |
703+ 2.5% |
$58.4K - $71K
|
28.8K
$2.21M
|
|
|
May 15, 2025
Q1 2025
|
Aureus Asset Management, LLC
Boston, MA |
BUY
|
- |
14.7K+ 33.75% |
$1.22M - $1.49M
|
58.3K
$4.48M
|
|
|
May 15, 2025
Q1 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
SELL
|
- |
-3.23M- 61.21% |
$268M - $327M
|
2.05M
$157M
|
|
|
May 15, 2025
Q1 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
BUY
|
PUT |
2.22M+ 161.04% |
$184M - $224M
|
3.6M
$277M
|
|
|
May 15, 2025
Q1 2025
|
Clark Capital Management Group, Inc.
Philadelphia, PA |
SELL
|
- |
-360K- 94.22% |
$29.8M - $36.3M
|
22K
$1.69M
|
|
|
May 15, 2025
Q1 2025
|
Creative Planning
Overland Park, KS |
BUY
|
- |
76.5K+ 8.3% |
$6.35M - $7.73M
|
998K
$76.7M
|
|
|
May 15, 2025
Q1 2025
|
Fsa Wealth Management LLC
Needham, MA |
SELL
|
- |
-162- 13.14% |
$13.4K - $16.4K
|
1.07K
$82.3K
|
|
|
May 15, 2025
Q1 2025
|
Gallagher Fiduciary Advisors, LLC
Rolling Meadows, IL |
BUY
|
- |
380+ 3.68% |
$31.5K - $38.4K
|
10.7K
$824K
|
|
|
May 15, 2025
Q1 2025
|
Hilltop Holdings Inc.
Dallas, TX |
BUY
|
- |
1.01K+ 1.37% |
$83.5K - $102K
|
74.4K
$5.71M
|
|
|
May 15, 2025
Q1 2025
|
Holocene Advisors, LP
New York, NY |
BUY
|
- |
150KNew |
$12.4M - $15.1M
|
150K
$11.5M
|
|
|
May 15, 2025
Q1 2025
|
Investment Management Corp Of Ontario
Toronto, Z4 |
BUY
|
- |
4.65K+ 3.86% |
$386K - $469K
|
125K
$9.59M
|
|
|
May 15, 2025
Q1 2025
|
Jacobs Levy Equity Management, Inc
Florham Park, NJ |
SELL
|
- |
-34.8K- 2.53% |
$2.89M - $3.52M
|
1.34M
$103M
|
|
|
May 15, 2025
Q1 2025
|
Karani Asset Management LLC
New York, NY |
SELL
|
- |
-29- 0.23% |
$2.41K - $2.93K
|
12.6K
$969K
|
|
|
May 15, 2025
Q1 2025
|
Laurion Capital Management LP
New York, NY |
SELL
|
- |
-136K- 89.55% |
$11.3M - $13.7M
|
15.8K
$1.22M
|
|
|
May 15, 2025
Q1 2025
|
Laurion Capital Management LP
New York, NY |
SELL
|
CALL |
-600- 2.69% |
$49.8K - $60.6K
|
21.7K
$1.67M
|
|
|
May 15, 2025
Q1 2025
|
Mbb Public Markets I LLC
Chicago, IL |
BUY
|
- |
3.17KNew |
$263K - $321K
|
3.17K
$244K
|
|
|
May 15, 2025
Q1 2025
|
Israel Englander
Millennium Management LLC | New York, Ny
|
SELL
|
- |
-56.4K- 1.57% |
$4.68M - $5.69M
|
3.52M
$271M
|
|
|
May 15, 2025
Q1 2025
|
Israel Englander
Millennium Management LLC | New York, Ny
|
BUY
|
PUT |
976K+ 155.18% |
$81M - $98.6M
|
1.6M
$123M
|
|
|
May 15, 2025
Q1 2025
|
Options Solutions, LLC
Chevy Chase, MD |
BUY
|
- |
94+ 4.27% |
$7.8K - $9.5K
|
2.29K
$176K
|
|
|
May 15, 2025
Q1 2025
|
Port Capital LLC
Chicago, IL |
BUY
|
- |
15+ 0.18% |
$1.25K - $1.52K
|
8.33K
$640K
|
|
|
May 15, 2025
Q1 2025
|
Schonfeld Strategic Advisors LLC
New York, NY |
BUY
|
- |
125K+ 28.29% |
$10.4M - $12.6M
|
567K
$43.5M
|
|
|
May 15, 2025
Q1 2025
|
Paul Tudor Jones
Tudor Investment Corp Et Al | Stamford, Ct
|
BUY
|
- |
723K+ 1423.18% |
$60M - $73.1M
|
774K
$59.5M
|
|
|
May 15, 2025
Q1 2025
|
Paul Tudor Jones
Tudor Investment Corp Et Al | Stamford, Ct
|
BUY
|
PUT |
549K+ 723.58% |
$45.6M - $55.5M
|
625K
$48M
|
|
|
May 15, 2025
Q1 2025
|
Twinbeech Capital LP
Purchase, NY |
BUY
|
- |
522K+ 998.41% |
$43.3M - $52.7M
|
574K
$44.1M
|
|
|
May 15, 2025
Q1 2025
|
Teza Capital Management LLC
Chicago, IL |
BUY
|
- |
16KNew |
$1.33M - $1.62M
|
16K
$1.23M
|
|
|
May 15, 2025
Q1 2025
|
Voloridge Investment Management, LLC
Jupiter, FL |
SELL
|
- |
-647K- 27.87% |
$53.7M - $65.4M
|
1.67M
$129M
|
|
|
May 15, 2025
Q1 2025
|
Worldquant Millennium Advisors LLC
New York, NY |
BUY
|
- |
151K+ 8.82% |
$12.6M - $15.3M
|
1.87M
$143M
|
|
|
May 15, 2025
Q1 2025
|
Williams Jones Wealth Management, Llc.
New York, NY |
SELL
|
- |
-19.3K- 19.84% |
$1.6M - $1.95M
|
78.1K
$6M
|
|
|
May 15, 2025
Q1 2025
|
Chilton Investment CO Inc.
Stamford, CT |
SELL
|
- |
-22.6K- 87.63% |
$1.87M - $2.28M
|
3.18K
$245K
|
|
|
May 15, 2025
Q1 2025
|
Mid West One Financial Group, Inc.
Iowa City, IA |
SELL
|
- |
-5- 0.04% |
$415 - $505
|
12.8K
$985K
|
|
|
May 15, 2025
Q1 2025
|
Sherbrooke Park Advisers LLC
White Plains, NY |
BUY
|
- |
7.97K+ 98.92% |
$662K - $805K
|
16K
$1.23M
|