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 |
|---|---|---|---|---|---|---|---|
|
Nov 12, 2025
Q3 2025
|
Dld Asset Management, LP
New York, NY |
BUY
|
- |
47.5MNew |
$3.69B - $4.15B
|
47.5M
$4.41B
|
|
|
Nov 07, 2025
Q3 2025
|
Jpmorgan Chase & CO
New York, NY |
BUY
|
- |
6.69M+ 23.48% |
$519M - $585M
|
35.2M
$3.27B
|
|
|
Oct 07, 2025
Q3 2025
|
Assenagon Asset Management S.A.
|
BUY
|
- |
3.62M+ 192.67% |
$281M - $316M
|
5.5M
$510M
|
|
|
Nov 13, 2025
Q3 2025
|
Invesco Ltd.
Atlanta, GA |
BUY
|
- |
2.82M+ 16.58% |
$219M - $247M
|
19.8M
$1.84B
|
|
|
Nov 14, 2025
Q3 2025
|
Price T Rowe Associates Inc
Baltimore, MD |
BUY
|
- |
2.8M+ 25.96% |
$218M - $245M
|
13.6M
$1.26B
|
|
|
Nov 14, 2025
Q3 2025
|
Ameriprise Financial Inc
Minneapolis, MN |
BUY
|
- |
2.74M+ 20.73% |
$212M - $239M
|
15.9M
$1.48B
|
|
|
Nov 13, 2025
Q3 2025
|
Van Eck Associates Corp
|
BUY
|
- |
2.03M+ 61.58% |
$157M - $177M
|
5.33M
$494M
|
|
|
Nov 14, 2025
Q3 2025
|
Aqr Capital Management LLC
Greenwich, CT |
BUY
|
- |
1.87M+ 21.29% |
$145M - $163M
|
10.7M
$990M
|
|
|
Nov 12, 2025
Q3 2025
|
Barclays PLC
London, X0 |
BUY
|
- |
1.62M+ 27.42% |
$125M - $141M
|
7.51M
$698M
|
|
|
Nov 13, 2025
Q3 2025
|
Capital Wealth Planning, LLC
|
BUY
|
- |
1.6M+ 101.13% |
$125M - $140M
|
3.19M
$296M
|
|
|
Nov 14, 2025
Q3 2025
|
Janus Henderson Group PLC
London, X0 |
BUY
|
- |
1.57M+ 290.24% |
$122M - $137M
|
2.12M
$196M
|
|
|
Nov 12, 2025
Q3 2025
|
Neuberger Berman Group LLC
New York, NY |
BUY
|
- |
1.37M+ 110.19% |
$106M - $120M
|
2.61M
$243M
|
|
|
Nov 14, 2025
Q3 2025
|
Steven Cohen
Point72 Asset Management, L.P. | Stamford, Ct
|
BUY
|
- |
1.26M+ 21671.6% |
$97.5M - $110M
|
1.26M
$117M
|
|
|
Nov 14, 2025
Q3 2025
|
Axa Investment Managers S.A.
Puteaux, I0 |
BUY
|
- |
1.21MNew |
$93.8M - $106M
|
1.21M
$112M
|
|
|
Oct 21, 2025
Q3 2025
|
Lazard Freres Gestion S.A.S.
|
BUY
|
- |
1.17MNew |
$90.9M - $102M
|
1.17M
$109M
|
|
|
Nov 13, 2025
Q3 2025
|
Legal & General Group PLC
London, X0 |
BUY
|
- |
1.16M+ 5.93% |
$89.7M - $101M
|
20.7M
$1.92B
|
|
|
Nov 04, 2025
Q3 2025
|
Allianz Asset Management Gmb H
Munich, 2M |
BUY
|
- |
1.15M+ 55.19% |
$89.2M - $100M
|
3.23M
$300M
|
|
|
Nov 13, 2025
Q3 2025
|
Munich Reinsurance CO Stock Corp In Munich
Munich, |
BUY
|
- |
1.06MNew |
$81.9M - $92.2M
|
1.06M
$98M
|
|
|
Oct 23, 2025
Q3 2025
|
Sg Americas Securities, LLC
|
BUY
|
- |
1.03M+ 494.0% |
$80.2M - $90.3M
|
1.24M
$115M
|
|
|
Nov 14, 2025
Q3 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
BUY
|
- |
968KNew |
$75.1M - $84.6M
|
968K
$89.9M
|
|
|
Nov 12, 2025
Q3 2025
|
Stifel Financial Corp
St. Louis, MO |
BUY
|
- |
964K+ 12.42% |
$74.8M - $84.2M
|
8.72M
$810M
|
|
|
Oct 20, 2025
Q3 2025
|
Los Angeles Capital Management LLC
|
BUY
|
- |
957K+ 38.97% |
$74.3M - $83.6M
|
3.41M
$317M
|
|
|
Nov 10, 2025
Q3 2025
|
Citigroup Inc
|
BUY
|
PUT |
874K+ 102.64% |
$67.8M - $76.4M
|
1.73M
$160M
|
|
|
Nov 12, 2025
Q3 2025
|
Geode Capital Management, LLC
Boston, MA |
BUY
|
- |
846K+ 1.44% |
$65.7M - $73.9M
|
59.8M
$5.55B
|
|
|
Nov 14, 2025
Q3 2025
|
Paul Tudor Jones
Tudor Investment Corp Et Al | Stamford, Ct
|
BUY
|
- |
787KNew |
$61.1M - $68.8M
|
787K
$73.1M
|
|
|
Nov 12, 2025
Q3 2025
|
American Century Companies Inc
Kansas City, MO |
BUY
|
- |
787K+ 20.87% |
$61.1M - $68.8M
|
4.56M
$423M
|
|
|
Nov 14, 2025
Q3 2025
|
Mufg Securities Emea PLC
London, X0 |
BUY
|
- |
761K+ 10261.31% |
$59.1M - $66.5M
|
769K
$71.4M
|
|
|
Nov 14, 2025
Q3 2025
|
Exodus Point Capital Management, LP
New York, NY |
BUY
|
CALL |
750K+ 300.0% |
$58.2M - $65.5M
|
1M
$92.9M
|
|
|
Nov 13, 2025
Q3 2025
|
Bank Of Montreal
Toronto, A6 |
BUY
|
- |
722K+ 15.45% |
$56.1M - $63.1M
|
5.4M
$501M
|
|
|
Nov 13, 2025
Q3 2025
|
Healthcare Of Ontario Pension Plan Trust Fund
Toronto, A6 |
BUY
|
- |
717K+ 277.41% |
$55.7M - $62.7M
|
976K
$90.6M
|
|
|
Nov 14, 2025
Q3 2025
|
Harris Associates L P
Chicago, IL |
BUY
|
- |
692K+ 7.58% |
$53.7M - $60.5M
|
9.82M
$912M
|
|
|
Nov 14, 2025
Q3 2025
|
Balyasny Asset Management LLC
Chicago, IL |
BUY
|
- |
669K+ 4281.48% |
$51.9M - $58.5M
|
685K
$63.6M
|
|
|
Nov 12, 2025
Q3 2025
|
Ci Investments Inc.
Toronto, A6 |
BUY
|
- |
664K+ 86.63% |
$51.5M - $58M
|
1.43M
$133M
|
|
|
Nov 14, 2025
Q3 2025
|
Holocene Advisors, LP
New York, NY |
BUY
|
- |
646KNew |
$50.1M - $56.4M
|
646K
$60M
|
|
|
Nov 13, 2025
Q3 2025
|
Jane Street Group, LLC
New York, NY |
BUY
|
- |
643K+ 7683.43% |
$49.9M - $56.2M
|
651K
$60.5M
|
|
|
Nov 13, 2025
Q3 2025
|
Hsbc Holdings PLC
London, X0 |
BUY
|
- |
600K+ 7.71% |
$46.6M - $52.4M
|
8.39M
$779M
|
|
|
Nov 13, 2025
Q3 2025
|
Wells Fargo & Company
San Francisco, CA |
BUY
|
PUT |
574K+ 71775.0% |
$44.6M - $50.2M
|
575K
$53.4M
|
|
|
Nov 14, 2025
Q3 2025
|
Brandes Investment Partners, LP
La Jolla, CA |
BUY
|
- |
510K+ 26.69% |
$39.6M - $44.6M
|
2.42M
$225M
|
|
|
Oct 15, 2025
Q3 2025
|
Swedbank Ab
Stockholm, V7 |
BUY
|
- |
469K+ 5.96% |
$36.4M - $41M
|
8.34M
$775M
|
|
|
Nov 14, 2025
Q3 2025
|
Lazard Asset Management LLC
New York, NY |
BUY
|
- |
455K+ 6.88% |
$35.3M - $39.7M
|
7.06M
$656M
|
|
|
Nov 14, 2025
Q3 2025
|
Cubist Systematic Strategies, LLC
Stamford, CT |
BUY
|
- |
454K+ 10314.98% |
$35.2M - $39.7M
|
458K
$42.6M
|
|
|
Nov 14, 2025
Q3 2025
|
Tri Locum Partners LP
New York, NY |
BUY
|
- |
447KNew |
$34.7M - $39M
|
447K
$41.5M
|
|
|
Nov 14, 2025
Q3 2025
|
Toronto Dominion Bank
Toronto, Ontario, A6 |
BUY
|
CALL |
409KNew |
$31.7M - $35.7M
|
409K
$37.9M
|
|
|
Nov 14, 2025
Q3 2025
|
Morgan Stanley
New York, NY |
BUY
|
- |
386K+ 0.87% |
$29.9M - $33.7M
|
44.6M
$4.14B
|
|
|
Nov 14, 2025
Q3 2025
|
Schonfeld Strategic Advisors LLC
New York, NY |
BUY
|
- |
377K+ 747.08% |
$29.3M - $33M
|
428K
$39.7M
|
|
|
Nov 12, 2025
Q3 2025
|
Natixis Advisors, L.P.
Boston, MA |
BUY
|
- |
371K+ 19.13% |
$28.8M - $32.4M
|
2.31M
$215M
|
|
|
Oct 27, 2025
Q3 2025
|
Conning Inc.
|
BUY
|
- |
366K+ 1059.87% |
$28.4M - $32M
|
401K
$37.2M
|
|
|
Nov 13, 2025
Q3 2025
|
Marshall Wace, LLP
London, X0 |
BUY
|
PUT |
350K+ 208.45% |
$27.2M - $30.6M
|
518K
$48.1M
|
|
|
Nov 14, 2025
Q3 2025
|
Caisse De Depot Et Placement Du Quebec
Montreal, A8 |
BUY
|
- |
347K+ 7.85% |
$26.9M - $30.3M
|
4.77M
$443M
|
|
|
Nov 14, 2025
Q3 2025
|
Cetera Investment Advisers
Schaumburg, IL |
BUY
|
- |
338K+ 45.87% |
$26.3M - $29.6M
|
1.08M
$100M
|
|