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 |
|---|---|---|---|---|---|---|---|
|
Aug 14, 2025
Q2 2025
|
Daiwa Securities Group Inc.
Tokyo, M0 |
BUY
|
- |
27.5K+ 5.18% |
$2.02M - $2.39M
|
557K
$44.8M
|
|
|
Aug 14, 2025
Q2 2025
|
Sit Investment Associates Inc
Minneapolis, MN |
SELL
|
- |
-83.6K- 82.68% |
$6.15M - $7.29M
|
17.5K
$1.41M
|
|
|
Aug 14, 2025
Q2 2025
|
State Street Corp
Boston, MA |
SELL
|
- |
-2.04M- 1.69% |
$150M - $177M
|
118M
$9.53B
|
|
|
Aug 14, 2025
Q2 2025
|
Wiley Bros. Aintree Capital, LLC
|
SELL
|
- |
-53.7K- 10.7% |
$3.95M - $4.68M
|
448K
$36M
|
|
|
Aug 14, 2025
Q2 2025
|
Empire Life Investments Inc.
|
SELL
|
- |
-18.9K- 10.42% |
$1.39M - $1.65M
|
163K
$13.1M
|
|
|
Aug 14, 2025
Q2 2025
|
Deprince Race & Zollo Inc
Winter Park, FL |
SELL
|
- |
-78.2K- 24.15% |
$5.75M - $6.81M
|
246K
$19.7M
|
|
|
Aug 14, 2025
Q2 2025
|
Lombard Odier Asset Management (Switzerland) Sa
Petit Lancy, V8 |
BUY
|
- |
8.02K+ 7.01% |
$589K - $699K
|
123K
$9.85M
|
|
|
Aug 14, 2025
Q2 2025
|
Lombard Odier Asset Management (Europe) LTD
London, X0 |
SELL
|
- |
-29.4K- 23.63% |
$2.16M - $2.56M
|
94.9K
$7.63M
|
|
|
Aug 14, 2025
Q2 2025
|
Intact Investment Management Inc.
Montreal, A8 |
SELL
|
- |
-17.6K- 8.14% |
$1.29M - $1.53M
|
199K
$16M
|
|
|
Aug 14, 2025
Q2 2025
|
Axa S.A.
Paris, I0 |
SELL
|
- |
-13.7K- 1.04% |
$1M - $1.19M
|
1.31M
$105M
|
|
|
Aug 14, 2025
Q2 2025
|
Creegan & Nassoura Financial Group, LLC
Portsmouth, NH |
BUY
|
- |
915+ 2.57% |
$67.2K - $79.7K
|
36.5K
$2.93M
|
|
|
Aug 14, 2025
Q2 2025
|
Investment Management Corp Of Ontario
Toronto, Z4 |
BUY
|
- |
99.3K+ 79.52% |
$7.29M - $8.65M
|
224K
$18M
|
|
|
Aug 14, 2025
Q2 2025
|
Qube Research & Technologies LTD
London, X0 |
BUY
|
- |
589K+ 17.16% |
$43.3M - $51.3M
|
4.02M
$323M
|
|
|
Aug 14, 2025
Q2 2025
|
Qube Research & Technologies LTD
London, X0 |
BUY
|
PUT |
172K+ 16.48% |
$12.6M - $14.9M
|
1.21M
$97.5M
|
|
|
Aug 14, 2025
Q2 2025
|
Tripletail Wealth Management, LLC
Orlando, FL |
BUY
|
- |
2.69KNew |
$197K - $234K
|
2.69K
$216K
|
|
|
Aug 14, 2025
Q2 2025
|
American Trust Investment Advisors, LLC
|
SELL
|
- |
-8.15K- 71.04% |
$599K - $710K
|
3.32K
$267K
|
|
|
Aug 14, 2025
Q2 2025
|
Dearborn Partners LLC
|
BUY
|
- |
2.69K+ 1.21% |
$198K - $235K
|
226K
$18.2M
|
|
|
Aug 14, 2025
Q2 2025
|
Ubs Group Ag
|
SELL
|
- |
-4.16M- 19.75% |
$306M - $362M
|
16.9M
$1.36B
|
|
|
Aug 14, 2025
Q2 2025
|
Ubs Group Ag
|
SELL
|
PUT |
-246K- 22.54% |
$18M - $21.4M
|
844K
$67.8M
|
|
|
Aug 14, 2025
Q2 2025
|
Apriem Advisors
Irvine, CA |
BUY
|
- |
36+ 0.34% |
$2.64K - $3.14K
|
10.7K
$861K
|
|
|
Aug 14, 2025
Q2 2025
|
Hudson Bay Capital Management LP
Greenwich, CT |
SELL
|
- |
-185K- 50.97% |
$13.6M - $16.1M
|
178K
$14.3M
|
|
|
Aug 14, 2025
Q2 2025
|
Hudson Bay Capital Management LP
Greenwich, CT |
SELL
|
PUT |
-390K- 35.11% |
$28.6M - $33.9M
|
720K
$57.9M
|
|
|
Aug 14, 2025
Q2 2025
|
Rafferty Asset Management, LLC
New York, NY |
BUY
|
- |
30.7K+ 12.9% |
$2.25M - $2.67M
|
268K
$21.6M
|
|
|
Aug 14, 2025
Q2 2025
|
Suvretta Capital Management, LLC
New York, NY |
BUY
|
- |
75.1K+ 52.1% |
$5.52M - $6.54M
|
219K
$17.6M
|
|
|
Aug 14, 2025
Q2 2025
|
Evergreen Capital Management LLC
Bellevue, WA |
BUY
|
- |
97.5K+ 61.1% |
$7.16M - $8.49M
|
257K
$20.7M
|
|
|
Aug 14, 2025
Q2 2025
|
Adage Capital Partners Gp, L.L.C.
Boston, MA |
SELL
|
- |
-601K- 29.67% |
$44.2M - $52.4M
|
1.43M
$115M
|
|
|
Aug 14, 2025
Q2 2025
|
Warren Averett Asset Management, LLC
Birmingham, AL |
BUY
|
- |
6.71K+ 5.11% |
$493K - $585K
|
138K
$11.1M
|
|
|
Aug 14, 2025
Q2 2025
|
Aristotle Capital Management, LLC
Los Angeles, CA |
SELL
|
- |
-328K- 3.88% |
$24.1M - $28.6M
|
8.14M
$654M
|
|
|
Aug 14, 2025
Q2 2025
|
Crawford Investment Counsel Inc
Atlanta, GA |
SELL
|
- |
-68.5K- 25.3% |
$5.03M - $5.97M
|
202K
$16.3M
|
|
|
Aug 14, 2025
Q2 2025
|
Clark Capital Management Group, Inc.
Philadelphia, PA |
SELL
|
- |
-3.88K- 17.58% |
$285K - $338K
|
18.2K
$1.46M
|
|
|
Aug 14, 2025
Q2 2025
|
Guardian Wealth Advisors, LLC
Raleigh, NC |
BUY
|
- |
876+ 9.66% |
$64.4K - $76.3K
|
9.94K
$799K
|
|
|
Aug 14, 2025
Q2 2025
|
Iconiq Capital, LLC
San Francisco, CA |
BUY
|
- |
7.28K+ 113.72% |
$535K - $635K
|
13.7K
$1.1M
|
|
|
Aug 14, 2025
Q2 2025
|
London CO Of Virginia
Richmond, VA |
SELL
|
- |
-8.65K- 58.27% |
$635K - $753K
|
6.19K
$498K
|
|
|
Aug 14, 2025
Q2 2025
|
Matrix Private Capital Group LLC
New York, NY |
SELL
|
- |
-591- 7.36% |
$43.4K - $51.5K
|
7.44K
$598K
|
|
|
Aug 14, 2025
Q2 2025
|
Weiss Asset Management LP
Boston, MA |
BUY
|
- |
447KNew |
$32.9M - $39M
|
447K
$36M
|
|
|
Aug 14, 2025
Q2 2025
|
Money Concepts Capital Corp
|
BUY
|
- |
1.34K+ 4.12% |
$98.7K - $117K
|
34K
$2.73M
|
|
|
Aug 14, 2025
Q2 2025
|
Integrated Investment Consultants, LLC
|
SELL
|
- |
-363- 1.83% |
$26.7K - $31.6K
|
19.5K
$1.57M
|
|
|
Aug 14, 2025
Q2 2025
|
Sargent Investment Group, LLC
|
BUY
|
- |
3.52K+ 17.6% |
$259K - $307K
|
23.5K
$1.89M
|
|
|
Aug 14, 2025
Q2 2025
|
Redwood Financial Network Corp
|
SELL
|
- |
-551- 12.11% |
$40.5K - $48K
|
4K
$321K
|
|
|
Aug 14, 2025
Q2 2025
|
Humankind Investments LLC
|
SELL
|
- |
-4.23K- 13.27% |
$311K - $369K
|
27.7K
$2.22M
|
|
|
Aug 14, 2025
Q2 2025
|
New Edge Advisors, LLC
New Orleans, LA |
SELL
|
- |
-40K- 9.84% |
$2.94M - $3.48M
|
366K
$29.5M
|
|
|
Aug 14, 2025
Q2 2025
|
Douglass Winthrop Advisors, LLC
New York, NY |
SELL
|
- |
-12.1K- 4.11% |
$892K - $1.06M
|
284K
$22.8M
|
|
|
Aug 14, 2025
Q2 2025
|
Alphadyne Asset Management LP
New York, NY |
BUY
|
PUT |
15.5KNew |
$1.14M - $1.35M
|
15.5K
$1.25M
|
|
|
Aug 14, 2025
Q2 2025
|
Drw Securities, LLC
Chicago, IL |
BUY
|
- |
14.1KNew |
$1.03M - $1.23M
|
14.1K
$1.13M
|
|
|
Aug 14, 2025
Q2 2025
|
Drw Securities, LLC
Chicago, IL |
BUY
|
PUT |
9.5KNew |
$698K - $828K
|
9.5K
$764K
|
|
|
Aug 14, 2025
Q2 2025
|
Marathon Capital Management
Hunt Valley, MD |
SELL
|
- |
-482- 1.38% |
$35.4K - $42K
|
34.5K
$2.78M
|
|
|
Aug 14, 2025
Q2 2025
|
Mml Investors Services, LLC
Springfield, MA |
SELL
|
- |
-171K- 33.94% |
$12.5M - $14.9M
|
332K
$26.7M
|
|
|
Aug 14, 2025
Q2 2025
|
Srb Corp
Boston, MA |
SELL
|
- |
-749K- 60.13% |
$55M - $65.3M
|
497K
$39.9M
|
|
|
Aug 14, 2025
Q2 2025
|
Stamos Capital Partners, L.P.
Menlo Park, CA |
BUY
|
- |
113K+ 98.63% |
$8.28M - $9.82M
|
227K
$18.2M
|
|
|
Aug 14, 2025
Q2 2025
|
Prelude Capital Management, LLC
New York, NY |
SELL
|
- |
-596- 9.72% |
$43.8K - $51.9K
|
5.54K
$445K
|