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 14, 2025
Q1 2025
|
Loomis Sayles & CO L P
|
SELL
|
- |
-4.84K- 2.58% |
$402K - $489K
|
182K
$13.9M
|
|
|
May 14, 2025
Q1 2025
|
Campbell & CO Investment Adviser LLC
Baltimore, MD |
BUY
|
- |
15.3K+ 472.52% |
$1.27M - $1.54M
|
18.5K
$1.41M
|
|
|
May 14, 2025
Q1 2025
|
Enterprise Financial Services Corp
Clayton, MO |
SELL
|
- |
-2.47K- 11.89% |
$205K - $249K
|
18.3K
$1.39M
|
|
|
May 14, 2025
Q1 2025
|
Jump Financial, LLC
Chicago, IL |
BUY
|
- |
362KNew |
$30.1M - $36.6M
|
362K
$27.6M
|
|
|
May 14, 2025
Q1 2025
|
Nordea Investment Management Ab
Stockholm, V7 |
BUY
|
- |
16.4K+ 0.17% |
$1.36M - $1.66M
|
9.42M
$718M
|
|
|
May 14, 2025
Q1 2025
|
Shell Asset Management CO
The Hague, P7 |
SELL
|
- |
-1.87K- 3.05% |
$156K - $189K
|
59.5K
$4.53M
|
|
|
May 14, 2025
Q1 2025
|
Truvestments Capital LLC
Sarasota, FL |
SELL
|
- |
-545- 13.45% |
$45.2K - $55.1K
|
3.51K
$267K
|
|
|
May 14, 2025
Q1 2025
|
Eqis Capital Management, Inc.
San Rafael, CA |
SELL
|
- |
-1.04K- 5.02% |
$86.2K - $105K
|
19.7K
$1.5M
|
|
|
May 14, 2025
Q1 2025
|
Walleye Capital LLC
Plymouth, MN |
BUY
|
- |
121K+ 131.85% |
$10.1M - $12.2M
|
213K
$16.3M
|
|
|
May 14, 2025
Q1 2025
|
Walleye Capital LLC
Plymouth, MN |
SELL
|
PUT |
-27.9K- 25.71% |
$2.32M - $2.82M
|
80.6K
$6.15M
|
|
|
May 14, 2025
Q1 2025
|
Walleye Trading LLC
Plymouth, MN |
BUY
|
- |
111KNew |
$9.2M - $11.2M
|
111K
$8.45M
|
|
|
May 14, 2025
Q1 2025
|
Walleye Trading LLC
Plymouth, MN |
BUY
|
PUT |
259K+ 300.7% |
$21.5M - $26.2M
|
345K
$26.3M
|
|
|
May 14, 2025
Q1 2025
|
Douglass Winthrop Advisors, LLC
New York, NY |
SELL
|
- |
-19.7K- 6.25% |
$1.64M - $1.99M
|
296K
$22.5M
|
|
|
May 14, 2025
Q1 2025
|
Sax Wealth Advisors, LLC
Parsippany, NJ |
BUY
|
- |
993+ 13.41% |
$82.4K - $100K
|
8.4K
$640K
|
|
|
May 14, 2025
Q1 2025
|
Healthcare Of Ontario Pension Plan Trust Fund
Toronto, A6 |
SELL
|
- |
-1.88M- 79.43% |
$156M - $190M
|
487K
$37.1M
|
|
|
May 14, 2025
Q1 2025
|
Csm Advisors, LLC
Pittsburgh, PA |
SELL
|
- |
-1.12K- 1.5% |
$93K - $113K
|
73.5K
$5.61M
|
|
|
May 14, 2025
Q1 2025
|
Bellevue Group Ag
Kuesnacht, V8 |
SELL
|
- |
-32.9K- 12.43% |
$2.73M - $3.32M
|
231K
$17.6M
|
|
|
May 14, 2025
Q1 2025
|
Cutler Capital Management, LLC
Worcester, MA |
SELL
|
- |
-294- 0.51% |
$24.4K - $29.7K
|
57.7K
$4.4M
|
|
|
May 14, 2025
Q1 2025
|
Ally Financial Inc.
Detroit, MI |
BUY
|
- |
16K+ 16.49% |
$1.33M - $1.62M
|
113K
$8.62M
|
|
|
May 14, 2025
Q1 2025
|
Coco Enterprises, LLC
Whitefish, MT |
BUY
|
- |
2+ 0.05% |
$166 - $202
|
3.69K
$282K
|
|
|
May 14, 2025
Q1 2025
|
Synovus Financial Corp
Columbus, GA |
SELL
|
- |
-4.78K- 1.81% |
$397K - $483K
|
259K
$19.8M
|
|
|
May 14, 2025
Q1 2025
|
Gabelli & CO Investment Advisers, Inc.
Rye, NY |
BUY
|
- |
3KNew |
$249K - $303K
|
3K
$229K
|
|
|
May 14, 2025
Q1 2025
|
Gabelli Funds LLC
Rye, NY |
SELL
|
- |
-4.59K- 1.3% |
$381K - $464K
|
350K
$26.7M
|
|
|
May 14, 2025
Q1 2025
|
Jim Simons
Renaissance Technologies LLC | New York, Ny
|
SELL
|
- |
-1.16M- 83.95% |
$96.3M - $117M
|
222K
$16.9M
|
|
|
May 14, 2025
Q1 2025
|
Visionary Wealth Advisors
O'fallon, IL |
BUY
|
- |
20+ 0.16% |
$1.66K - $2.02K
|
12.6K
$960K
|
|
|
May 14, 2025
Q1 2025
|
Dodge & Cox
San Francisco, CA |
SELL
|
- |
-282- 0.18% |
$23.4K - $28.5K
|
157K
$12M
|
|
|
May 14, 2025
Q1 2025
|
Ensign Peak Advisors, Inc
Salt Lake City, UT |
SELL
|
- |
-56.2K- 2.1% |
$4.67M - $5.68M
|
2.62M
$199M
|
|
|
May 14, 2025
Q1 2025
|
Kayne Anderson Rudnick Investment Management LLC
Los Angeles, CA |
BUY
|
- |
2.66K+ 2.51% |
$221K - $269K
|
109K
$8.28M
|
|
|
May 14, 2025
Q1 2025
|
Ossiam
Paris, I0 |
BUY
|
- |
34.6K+ 65.61% |
$2.87M - $3.49M
|
87.3K
$6.66M
|
|
|
May 14, 2025
Q1 2025
|
Natixis
Paris, I0 |
BUY
|
- |
1.1M+ 315.61% |
$91.6M - $111M
|
1.45M
$111M
|
|
|
May 14, 2025
Q1 2025
|
Cadence Bank
Tupelo, MS |
SELL
|
- |
-11.3K- 22.51% |
$942K - $1.15M
|
39.1K
$2.98M
|
|
|
May 14, 2025
Q1 2025
|
Huber Capital Management LLC
El Segundo, CA |
BUY
|
- |
25K+ 123.2% |
$2.08M - $2.53M
|
45.3K
$3.45M
|
|
|
May 14, 2025
Q1 2025
|
Snowden Capital Advisors LLC
New York, NY |
SELL
|
- |
-7.59K- 6.57% |
$630K - $766K
|
108K
$8.23M
|
|
|
May 14, 2025
Q1 2025
|
Hap Trading, LLC
New York, NY |
BUY
|
CALL |
3.2K+ 21.05% |
$266K - $323K
|
18.4K
$1.4M
|
|
|
May 14, 2025
Q1 2025
|
United Bank
Vienna, VA |
SELL
|
- |
-20- 0.44% |
$1.66K - $2.02K
|
4.58K
$349K
|
|
|
May 14, 2025
Q1 2025
|
Bank Of Hawaii
Honolulu, HI |
SELL
|
- |
-4.07K- 6.32% |
$338K - $411K
|
60.4K
$4.6M
|
|
|
May 14, 2025
Q1 2025
|
Choate Investment Advisors
Boston, MA |
SELL
|
- |
-2.94K- 3.92% |
$244K - $297K
|
72.1K
$5.5M
|
|
|
May 14, 2025
Q1 2025
|
Group One Trading, L.P.
Chicago, IL |
SELL
|
- |
-37.8KClosed |
$3.14M - $3.82M
|
0
$0
|
|
|
May 14, 2025
Q1 2025
|
Trexquant Investment LP
Stamford, CT |
BUY
|
- |
387K+ 1314.54% |
$32.1M - $39M
|
416K
$31.7M
|
|
|
May 14, 2025
Q1 2025
|
B. Metzler Seel. Sohn & Co. Ag
Frankfurt, 2M |
BUY
|
- |
22.3K+ 5.32% |
$1.85M - $2.25M
|
442K
$33.7M
|
|
|
May 14, 2025
Q1 2025
|
First Trust Advisors LP
Wheaton, IL |
BUY
|
- |
1.93M+ 212.84% |
$160M - $195M
|
2.84M
$216M
|
|
|
May 14, 2025
Q1 2025
|
Haverford Trust CO
Radnor, PA |
SELL
|
- |
-175K- 23.99% |
$14.5M - $17.7M
|
554K
$42.3M
|
|
|
May 14, 2025
Q1 2025
|
Mml Investors Services, LLC
Springfield, MA |
BUY
|
- |
9.19K+ 1.86% |
$763K - $928K
|
503K
$38.3M
|
|
|
May 14, 2025
Q1 2025
|
Omers Administration Corp
Toronto, A6 |
BUY
|
- |
26.9K+ 11.69% |
$2.23M - $2.72M
|
257K
$19.6M
|
|
|
May 14, 2025
Q1 2025
|
Rafferty Asset Management, LLC
New York, NY |
SELL
|
- |
-52.7K- 18.15% |
$4.38M - $5.33M
|
238K
$18.1M
|
|
|
May 14, 2025
Q1 2025
|
Smead Capital Management, Inc.
Phoenix, AZ |
BUY
|
- |
34.4K+ 1.04% |
$2.85M - $3.47M
|
3.33M
$254M
|
|
|
May 14, 2025
Q1 2025
|
Stamos Capital Partners, L.P.
Menlo Park, CA |
SELL
|
- |
-9.45K- 7.64% |
$784K - $954K
|
114K
$8.71M
|
|
|
May 14, 2025
Q1 2025
|
Samalin Investment Counsel, LLC
Chappaqua, NY |
SELL
|
- |
-39- 0.54% |
$3.24K - $3.94K
|
7.16K
$546K
|
|
|
May 14, 2025
Q1 2025
|
Redwood Investment Management, LLC
Scottsdale, AZ |
BUY
|
- |
22.1K+ 608.02% |
$1.84M - $2.24M
|
25.8K
$1.97M
|
|
|
May 14, 2025
Q1 2025
|
Trustco Bank Corp N Y
Albany, NY |
SELL
|
- |
-183- 1.94% |
$15.2K - $18.5K
|
9.23K
$704K
|