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 |
|---|---|---|---|---|---|---|---|
|
Aug 13, 2025
Q2 2025
|
Dld Asset Management, LP
New York, NY |
BUY
|
- |
36.5MNew |
$2.68B - $3.18B
|
36.5M
$2.93B
|
|
|
Aug 13, 2025
Q2 2025
|
Norges Bank
Oslo, Q8 |
BUY
|
- |
36.1MNew |
$2.65B - $3.15B
|
36.1M
$2.9B
|
|
|
Aug 12, 2025
Q2 2025
|
Franklin Resources Inc
San Mateo, CA |
BUY
|
- |
5.14M+ 23.45% |
$377M - $447M
|
27M
$2.17B
|
|
|
Aug 13, 2025
Q2 2025
|
Arrowstreet Capital, Limited Partnership
Boston, MA |
BUY
|
- |
5.09M+ 35.47% |
$374M - $444M
|
19.5M
$1.56B
|
|
|
Aug 12, 2025
Q2 2025
|
Charles Schwab Investment Management Inc
San Francisco, CA |
BUY
|
- |
4.64M+ 9.42% |
$341M - $404M
|
53.9M
$4.33B
|
|
|
Aug 14, 2025
Q2 2025
|
Ubs Asset Management Americas Inc
Chicago, IL |
BUY
|
- |
4.4M+ 21.2% |
$323M - $383M
|
25.1M
$2.02B
|
|
|
Aug 14, 2025
Q2 2025
|
Goldman Sachs Group Inc
New York, NY |
BUY
|
- |
4.02M+ 28.01% |
$296M - $351M
|
18.4M
$1.48B
|
|
|
Aug 13, 2025
Q2 2025
|
Amundi
Paris, I0 |
BUY
|
- |
3.45M+ 26.42% |
$254M - $301M
|
16.5M
$1.33B
|
|
|
Jul 10, 2025
Q2 2025
|
Kingstone Capital Partners Texas, LLC
Frisco, TX |
BUY
|
- |
3.26MNew |
$240M - $284M
|
3.26M
$262M
|
|
|
Aug 13, 2025
Q2 2025
|
Marshall Wace, LLP
London, X0 |
BUY
|
- |
3.14M+ 41236.93% |
$230M - $273M
|
3.14M
$253M
|
|
|
Aug 14, 2025
Q2 2025
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
BUY
|
PUT |
2.83M+ 78.74% |
$208M - $247M
|
6.42M
$516M
|
|
|
Aug 14, 2025
Q2 2025
|
David A. Siegel
Two Sigma Advisers, LP | New York, Ny
|
BUY
|
- |
2.39M+ 72.68% |
$176M - $208M
|
5.68M
$456M
|
|
|
Aug 13, 2025
Q2 2025
|
First Trust Advisors LP
Wheaton, IL |
BUY
|
- |
2.21M+ 77.92% |
$162M - $193M
|
5.05M
$405M
|
|
|
Aug 14, 2025
Q2 2025
|
Public Investment Fund
Riyadh, T0 |
BUY
|
CALL |
1.9MNew |
$140M - $165M
|
1.9M
$152M
|
|
|
Aug 13, 2025
Q2 2025
|
Invesco Ltd.
Atlanta, GA |
BUY
|
- |
1.73M+ 11.28% |
$127M - $150M
|
17M
$1.37B
|
|
|
Aug 14, 2025
Q2 2025
|
Harris Associates L P
Chicago, IL |
BUY
|
- |
1.66M+ 22.25% |
$122M - $145M
|
9.13M
$733M
|
|
|
Aug 12, 2025
Q2 2025
|
Thornburg Investment Management Inc
|
BUY
|
- |
1.64M+ 53.22% |
$121M - $143M
|
4.73M
$380M
|
|
|
Aug 14, 2025
Q2 2025
|
Lazard Asset Management LLC
New York, NY |
BUY
|
- |
1.59M+ 31.69% |
$117M - $139M
|
6.61M
$531M
|
|
|
Aug 07, 2025
Q2 2025
|
Acadian Asset Management LLC
Boston, MA |
BUY
|
- |
1.58M+ 61.04% |
$116M - $138M
|
4.18M
$336M
|
|
|
Aug 07, 2025
Q2 2025
|
Capital Wealth Planning, LLC
|
BUY
|
- |
1.58M+ 41147.36% |
$116M - $138M
|
1.59M
$127M
|
|
|
Aug 14, 2025
Q2 2025
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
BUY
|
- |
1.4M+ 278.87% |
$103M - $122M
|
1.9M
$153M
|
|
|
Jul 11, 2025
Q2 2025
|
Assenagon Asset Management S.A.
|
BUY
|
- |
1.39M+ 285.62% |
$102M - $121M
|
1.88M
$151M
|
|
|
Jul 29, 2025
Q2 2025
|
Nordea Investment Management Ab
Stockholm, V7 |
BUY
|
- |
1.32M+ 14.01% |
$96.9M - $115M
|
10.7M
$862M
|
|
|
Aug 14, 2025
Q2 2025
|
Hrt Financial LP
New York, NY |
BUY
|
- |
1.11MNew |
$81.9M - $97.1M
|
1.11M
$89.5M
|
|
|
Aug 15, 2025
Q2 2025
|
Morgan Stanley
New York, NY |
BUY
|
- |
1.09M+ 2.52% |
$79.8M - $94.6M
|
44.2M
$3.55B
|
|
|
Aug 14, 2025
Q2 2025
|
D. E. Shaw & Co., Inc.
New York, NY |
BUY
|
- |
1.06M+ 11.34% |
$77.6M - $92M
|
10.4M
$833M
|
|
|
Aug 14, 2025
Q2 2025
|
Aqr Capital Management LLC
Greenwich, CT |
BUY
|
- |
1.03M+ 13.27% |
$75.6M - $89.7M
|
8.79M
$706M
|
|
|
Aug 14, 2025
Q2 2025
|
Bank Of America Corp
Charlotte, NC |
BUY
|
PUT |
945K+ 57.31% |
$69.4M - $82.3M
|
2.59M
$208M
|
|
|
Aug 14, 2025
Q2 2025
|
Jane Street Group, LLC
New York, NY |
BUY
|
PUT |
934K+ 57.05% |
$68.6M - $81.4M
|
2.57M
$206M
|
|
|
Aug 12, 2025
Q2 2025
|
Barrow Hanley Mewhinney & Strauss LLC
Dallas, TX |
BUY
|
- |
916K+ 11.75% |
$67.3M - $79.8M
|
8.71M
$699M
|
|
|
Aug 14, 2025
Q2 2025
|
Deerfield Management Company, L.P. (Series C)
New York, NY |
BUY
|
- |
858KNew |
$63M - $74.7M
|
858K
$68.9M
|
|
|
Aug 14, 2025
Q2 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
BUY
|
PUT |
848K+ 23.55% |
$62.3M - $73.8M
|
4.45M
$357M
|
|
|
Aug 14, 2025
Q2 2025
|
Susquehanna Portfolio Strategies, LLC
Bala Cynwyd, PA |
BUY
|
- |
801KNew |
$58.8M - $69.8M
|
801K
$64.3M
|
|
|
Aug 14, 2025
Q2 2025
|
Bi Asset Management Fondsmaeglerselskab A
Kobenhavn, G7 |
BUY
|
- |
782K+ 372.11% |
$57.5M - $68.2M
|
993K
$79.7M
|
|
|
Aug 12, 2025
Q2 2025
|
Pacer Advisors, Inc.
Malvern, PA |
BUY
|
- |
755K+ 14.28% |
$55.5M - $65.8M
|
6.04M
$485M
|
|
|
Aug 07, 2025
Q2 2025
|
Midwest Trust CO
Overland Park, KS |
BUY
|
- |
734KNew |
$53.9M - $64M
|
734K
$59M
|
|
|
Aug 12, 2025
Q2 2025
|
American Century Companies Inc
Kansas City, MO |
BUY
|
- |
722K+ 23.66% |
$53M - $62.9M
|
3.77M
$303M
|
|
|
Aug 13, 2025
Q2 2025
|
Beutel, Goodman & CO Ltd.
Toronto, A6 |
BUY
|
- |
679K+ 15.35% |
$49.9M - $59.2M
|
5.1M
$410M
|
|
|
Aug 01, 2025
Q2 2025
|
Australian Super Pty LTD
|
BUY
|
- |
643K+ 710.79% |
$47.3M - $56M
|
734K
$58.9M
|
|
|
Aug 14, 2025
Q2 2025
|
Glenmede Investment Management, LP
Philadelphia, PA |
BUY
|
- |
630KNew |
$46.3M - $54.8M
|
630K
$50.6M
|
|
|
Aug 13, 2025
Q2 2025
|
Ray Dalio
Bridgewater Associates, LP | Westport, Ct
|
BUY
|
- |
616K+ 115.14% |
$45.2M - $53.7M
|
1.15M
$92.4M
|
|
|
Aug 14, 2025
Q2 2025
|
Qube Research & Technologies LTD
London, X0 |
BUY
|
- |
589K+ 17.16% |
$43.3M - $51.3M
|
4.02M
$323M
|
|
|
Aug 13, 2025
Q2 2025
|
Ken Fisher
Fisher Asset Management, LLC | Camas, Wa
|
BUY
|
- |
568K+ 2.32% |
$41.7M - $49.5M
|
25M
$2.01B
|
|
|
Jul 18, 2025
Q2 2025
|
Robeco Institutional Asset Management B.V.
|
BUY
|
- |
557K+ 21.37% |
$40.9M - $48.5M
|
3.16M
$254M
|
|
|
Aug 14, 2025
Q2 2025
|
Great West Life Assurance CO
Winnipeg, A2 |
BUY
|
- |
512K+ 16.39% |
$37.6M - $44.6M
|
3.63M
$292M
|
|
|
Jul 28, 2025
Q2 2025
|
Twin Tree Management, LP
Dallas, TX |
BUY
|
PUT |
510K+ 948.14% |
$37.5M - $44.4M
|
564K
$45.3M
|
|
|
Aug 11, 2025
Q2 2025
|
Great Lakes Advisors, LLC
Chicago, IL |
BUY
|
- |
501K+ 43.34% |
$36.8M - $43.6M
|
1.66M
$133M
|
|
|
Aug 14, 2025
Q2 2025
|
Camber Capital Management LP
Boston, MA |
BUY
|
- |
500KNew |
$36.7M - $43.6M
|
500K
$40.2M
|
|
|
Aug 12, 2025
Q2 2025
|
Laurel Wealth Advisors LLC
Charlotte, NC |
BUY
|
- |
483K+ 7567.85% |
$35.5M - $42.1M
|
489K
$39.3M
|
|
|
Aug 14, 2025
Q2 2025
|
Zurich Insurance Group LTD
Zurich, V8 |
BUY
|
- |
481K+ 1489.19% |
$35.3M - $41.9M
|
513K
$41.2M
|