Latest Institutional Purchases of Merck & Co., Inc. (MRK)
This list provides information on the latest institutional transactions involving Merck & Co., Inc. (MRK) stock that were buys. The list includes the name of the institution, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the purchase has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Oct 21, 2025
Q3 2025
|
Tectonic Advisors LLC
Plano, TX |
BUY
|
- |
23.3K+ 22.91% |
$1.81M - $2.04M
|
125K
$11.6M
|
|
|
Nov 13, 2025
Q3 2025
|
Private Management Group Inc
|
BUY
|
- |
23.1KNew |
$1.79M - $2.01M
|
23.1K
$2.14M
|
|
|
Nov 06, 2025
Q3 2025
|
Assetmark, Inc
|
BUY
|
- |
22.5K+ 14.56% |
$1.74M - $1.96M
|
177K
$16.4M
|
|
|
Nov 14, 2025
Q3 2025
|
Wiley Bros. Aintree Capital, LLC
|
BUY
|
- |
22.4K+ 4.99% |
$1.73M - $1.95M
|
470K
$43.7M
|
|
|
Nov 13, 2025
Q3 2025
|
Sage View Advisory Group, LLC
Newport Beach, CA |
BUY
|
- |
22.3K+ 95.19% |
$1.73M - $1.95M
|
45.7K
$4.24M
|
|
|
Nov 19, 2025
Q3 2025
|
Campbell Capital Management Inc
|
BUY
|
- |
22.2KNew |
$1.73M - $1.94M
|
22.2K
$2.06M
|
|
|
Oct 10, 2025
Q3 2025
|
Thomas Story & Son LLC
Culver, IN |
BUY
|
- |
22.2K+ 40.64% |
$1.72M - $1.94M
|
76.7K
$7.13M
|
|
|
Oct 23, 2025
Q3 2025
|
United Asset Strategies, Inc.
Garden City, NY |
BUY
|
- |
21.8K+ 12.92% |
$1.69M - $1.9M
|
190K
$17.7M
|
|
|
Nov 04, 2025
Q3 2025
|
Health Invest Partners Ab
|
BUY
|
- |
21.7K+ 15.62% |
$1.69M - $1.9M
|
161K
$14.9M
|
|
|
Nov 17, 2025
Q3 2025
|
Caxton Associates LLP
London, |
BUY
|
- |
21.5K+ 54.6% |
$1.67M - $1.88M
|
60.9K
$5.66M
|
|
|
Nov 03, 2025
Q3 2025
|
Td Waterhouse Canada Inc.
Toronto, A6 |
BUY
|
- |
21.4K+ 9.24% |
$1.66M - $1.87M
|
253K
$23.5M
|
|
|
Nov 12, 2025
Q3 2025
|
Portfolio Design Labs, LLC
Encino, CA |
BUY
|
- |
21.3KNew |
$1.65M - $1.86M
|
21.3K
$1.97M
|
|
|
Nov 06, 2025
Q3 2025
|
Krilogy Financial LLC
|
BUY
|
- |
21.1K+ 131.83% |
$1.64M - $1.85M
|
37.1K
$3.45M
|
|
|
Nov 14, 2025
Q3 2025
|
Redwood Grove Capital, LLC
Palo Alto, CA |
BUY
|
- |
21K+ 16.75% |
$1.63M - $1.83M
|
146K
$13.6M
|
|
|
Oct 21, 2025
Q3 2025
|
Ninety One Sa (Pty) LTD
Cape Town, T3 |
BUY
|
- |
20.8KNew |
$1.61M - $1.81M
|
20.8K
$1.93M
|
|
|
Oct 09, 2025
Q3 2025
|
Addenda Capital Inc.
|
BUY
|
- |
20.6K+ 26.87% |
$1.6M - $1.8M
|
97.4K
$9.04M
|
|
|
Oct 08, 2025
Q3 2025
|
Czech National Bank
Prague, 2N |
BUY
|
- |
20.6K+ 3.36% |
$1.6M - $1.8M
|
634K
$58.9M
|
|
|
Oct 14, 2025
Q3 2025
|
Brighton Jones LLC
|
BUY
|
- |
20.1K+ 37.98% |
$1.56M - $1.75M
|
73K
$6.78M
|
|
|
Nov 14, 2025
Q3 2025
|
Toroso Investments, LLC
Massapequa, NY |
BUY
|
- |
20.1K+ 5.94% |
$1.56M - $1.75M
|
358K
$33.2M
|
|
|
Nov 14, 2025
Q3 2025
|
Zimmer Partners, LP
New York, NY |
BUY
|
- |
20KNew |
$1.55M - $1.75M
|
20K
$1.86M
|
|
|
Nov 12, 2025
Q3 2025
|
Dkrt Investments Corp.
Toronto, |
BUY
|
- |
20K+ 160.0% |
$1.55M - $1.75M
|
32.5K
$3.02M
|
|
|
Oct 16, 2025
Q3 2025
|
Avanza Fonder Ab
Stockholm, V7 |
BUY
|
- |
19.8K+ 8.11% |
$1.54M - $1.73M
|
264K
$24.5M
|
|
|
Nov 14, 2025
Q3 2025
|
Lombard Odier Asset Management (Switzerland) Sa
Petit Lancy, V8 |
BUY
|
- |
19.8K+ 16.17% |
$1.54M - $1.73M
|
142K
$13.2M
|
|
|
Nov 12, 2025
Q3 2025
|
Miramar Capital, LLC
|
BUY
|
- |
19.7K+ 22.75% |
$1.53M - $1.72M
|
106K
$9.86M
|
|
|
Oct 23, 2025
Q3 2025
|
Benjamin Edwards Inc
Clayton, MO |
BUY
|
- |
19.7K+ 4.15% |
$1.53M - $1.72M
|
494K
$45.9M
|
|
|
Nov 13, 2025
Q3 2025
|
Baird Financial Group, Inc.
Milwaukee, WI |
BUY
|
- |
19.6K+ 1.57% |
$1.52M - $1.71M
|
1.27M
$118M
|
|
|
Nov 07, 2025
Q3 2025
|
Texas Yale Capital Corp.
St. Petersburg, FL |
BUY
|
- |
19.6K+ 51.74% |
$1.52M - $1.71M
|
57.5K
$5.34M
|
|
|
Oct 10, 2025
Q3 2025
|
Douglas Lane & Associates, LLC
|
BUY
|
- |
19.4K+ 3.74% |
$1.51M - $1.7M
|
539K
$50.1M
|
|
|
Nov 04, 2025
Q3 2025
|
Imc Chicago, LLC
|
BUY
|
- |
19.2KNew |
$1.49M - $1.68M
|
19.2K
$1.78M
|
|
|
Nov 10, 2025
Q3 2025
|
Lansforsakringar Fondforvaltning Ab (Publ)
Stockholm, V7 |
BUY
|
- |
19K+ 2.27% |
$1.48M - $1.66M
|
857K
$79.6M
|
|
|
Oct 10, 2025
Q3 2025
|
Viking Fund Management LLC
|
BUY
|
- |
19K+ 23.46% |
$1.47M - $1.66M
|
100K
$9.29M
|
|
|
Oct 20, 2025
Q3 2025
|
Ascent Group, LLC
|
BUY
|
- |
18.8K+ 114.43% |
$1.46M - $1.65M
|
35.3K
$3.28M
|
|
|
Oct 23, 2025
Q3 2025
|
Park Avenue Securities LLC
|
BUY
|
- |
18.8K+ 32.4% |
$1.46M - $1.65M
|
77K
$7.15M
|
|
|
Nov 14, 2025
Q3 2025
|
Occudo Quantitative Strategies LP
Fort Lauderdale, FL |
BUY
|
- |
18.8KNew |
$1.46M - $1.64M
|
18.8K
$1.74M
|
|
|
Nov 13, 2025
Q3 2025
|
Quadrant Capital Group LLC
Cincinnati, OH |
BUY
|
- |
18.8K+ 27.64% |
$1.46M - $1.64M
|
86.7K
$8.05M
|
|
|
Oct 20, 2025
Q3 2025
|
Diversified Trust CO
|
BUY
|
- |
18.2K+ 9.59% |
$1.41M - $1.59M
|
208K
$19.3M
|
|
|
Oct 14, 2025
Q3 2025
|
Ofi Invest Asset Management
Paris, I0 |
BUY
|
- |
17.8K+ 2.48% |
$1.38M - $1.55M
|
734K
$68.1M
|
|
|
Nov 12, 2025
Q3 2025
|
Thompson Siegel & Walmsley LLC
|
BUY
|
- |
17.1K+ 5.99% |
$1.33M - $1.49M
|
302K
$28.1M
|
|
|
Nov 12, 2025
Q3 2025
|
Barclays PLC
London, X0 |
BUY
|
PUT |
16.8K+ 95.45% |
$1.3M - $1.47M
|
34.4K
$3.19M
|
|
|
Nov 14, 2025
Q3 2025
|
Bridgeway Capital Management, LLC
Houston, TX |
BUY
|
- |
16.8K+ 5.74% |
$1.3M - $1.47M
|
309K
$28.7M
|
|
|
Oct 20, 2025
Q3 2025
|
Merit Financial Group, LLC
|
BUY
|
- |
16.5K+ 13.32% |
$1.28M - $1.45M
|
141K
$13.1M
|
|
|
Oct 15, 2025
Q3 2025
|
Vontobel Holding Ltd.
|
BUY
|
- |
16.4K+ 4.29% |
$1.27M - $1.43M
|
398K
$37M
|
|
|
Nov 13, 2025
Q3 2025
|
American Investment Services, Inc.
|
BUY
|
- |
16.1K+ 54.37% |
$1.25M - $1.41M
|
45.8K
$4.26M
|
|
|
Nov 14, 2025
Q3 2025
|
Amf Tjanstepension Ab
|
BUY
|
- |
15.9KNew |
$1.24M - $1.39M
|
15.9K
$1.48M
|
|
|
Nov 12, 2025
Q3 2025
|
River Wealth Advisors LLC
Camp Hill, PA |
BUY
|
- |
15.9K+ 24.09% |
$1.23M - $1.39M
|
81.9K
$7.61M
|
|
|
Oct 20, 2025
Q3 2025
|
Romano Brothers And Company
Evanston, IL |
BUY
|
- |
15.9K+ 57.07% |
$1.23M - $1.39M
|
43.8K
$4.06M
|
|
|
Oct 22, 2025
Q3 2025
|
Cordatus Wealth Management LLC
Newtown, PA |
BUY
|
- |
15.9K+ 91.81% |
$1.23M - $1.39M
|
33.2K
$3.08M
|
|
|
Nov 14, 2025
Q3 2025
|
Atom Investors LP
Austin, TX |
BUY
|
- |
15.8KNew |
$1.23M - $1.38M
|
15.8K
$1.47M
|
|
|
Nov 14, 2025
Q3 2025
|
Summit Trail Advisors, LLC
New York, NY |
BUY
|
- |
15.7K+ 23.61% |
$1.22M - $1.37M
|
82.1K
$7.63M
|
|
|
Nov 19, 2025
Q3 2025
|
Caerus Investment Advisors, LLC
|
BUY
|
- |
15.6KNew |
$1.21M - $1.36M
|
15.6K
$1.45M
|
|