Latest Institutional Sells of Merck & Co., Inc. (MRK)
This list provides information on the latest institutional transactions involving Merck & Co., Inc. (MRK) stock that were sells. 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 sale has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Aug 14, 2025
Q2 2025
|
Hudson Bay Capital Management LP
Greenwich, CT |
SELL
|
PUT |
-390K- 35.11% |
$28.6M - $33.9M
|
720K
$59.6M
|
|
|
Aug 13, 2025
Q2 2025
|
M&T Bank Corp
|
SELL
|
- |
-387K- 19.37% |
$28.4M - $33.7M
|
1.61M
$133M
|
|
|
Aug 12, 2025
Q2 2025
|
Rhumbline Advisers
Boston, MA |
SELL
|
- |
-384K- 8.54% |
$28.2M - $33.4M
|
4.11M
$340M
|
|
|
Jul 23, 2025
Q2 2025
|
West End Advisors, LLC
|
SELL
|
- |
-371K- 99.92% |
$27.3M - $32.4M
|
285
$23.6K
|
|
|
Aug 14, 2025
Q2 2025
|
Jane Street Group, LLC
New York, NY |
SELL
|
- |
-371K- 97.8% |
$27.3M - $32.4M
|
8.37K
$693K
|
|
|
Aug 05, 2025
Q2 2025
|
Tredje Ap Fonden
|
SELL
|
- |
-348K- 37.67% |
$25.5M - $30.3M
|
575K
$47.6M
|
|
|
Jul 18, 2025
Q2 2025
|
Truist Financial Corp
|
SELL
|
- |
-343K- 16.03% |
$25.2M - $29.8M
|
1.79M
$149M
|
|
|
Aug 14, 2025
Q2 2025
|
Aristotle Capital Management, LLC
Los Angeles, CA |
SELL
|
- |
-328K- 3.88% |
$24.1M - $28.6M
|
8.14M
$674M
|
|
|
Aug 14, 2025
Q2 2025
|
Perritt Capital Management Inc
Chicago, IL |
SELL
|
- |
-321K- 98.74% |
$23.6M - $28M
|
4.11K
$340K
|
|
|
Jul 09, 2025
Q2 2025
|
Sapient Capital LLC
Indianapolis, IN |
SELL
|
- |
-318K- 96.43% |
$23.4M - $27.7M
|
11.8K
$976K
|
|
|
Aug 08, 2025
Q2 2025
|
Massachusetts Financial Services CO
Boston, MA |
SELL
|
- |
-303K- 3.8% |
$22.3M - $26.4M
|
7.68M
$636M
|
|
|
Aug 14, 2025
Q2 2025
|
Fayez Sarofim & CO
Houston, TX |
SELL
|
- |
-297K- 10.17% |
$21.8M - $25.8M
|
2.62M
$217M
|
|
|
Aug 12, 2025
Q2 2025
|
Dimensional Fund Advisors LP
Austin, TX |
SELL
|
- |
-291K- 2.67% |
$21.4M - $25.4M
|
10.6M
$880M
|
|
|
Aug 13, 2025
Q2 2025
|
Townsquare Capital LLC
|
SELL
|
- |
-272K- 64.32% |
$20M - $23.7M
|
151K
$12.5M
|
|
|
Jul 11, 2025
Q2 2025
|
Annex Advisory Services, LLC
|
SELL
|
- |
-267K- 95.99% |
$19.6M - $23.2M
|
11.1K
$922K
|
|
|
Aug 11, 2025
Q2 2025
|
Raiffeisen Bank International Ag
Vienna, C4 |
SELL
|
- |
-255K- 26.16% |
$18.7M - $22.2M
|
719K
$59.5M
|
|
|
Aug 12, 2025
Q2 2025
|
Legal & General Group PLC
London, X0 |
SELL
|
- |
-252K- 1.28% |
$18.5M - $22M
|
19.5M
$1.62B
|
|
|
Aug 08, 2025
Q2 2025
|
Impax Asset Management Group PLC
|
SELL
|
- |
-252K- 63.17% |
$18.5M - $22M
|
147K
$12.2M
|
|
|
Aug 14, 2025
Q2 2025
|
Mariner, LLC
Overland Park, KS |
SELL
|
- |
-246K- 8.98% |
$18.1M - $21.4M
|
2.49M
$206M
|
|
|
Aug 27, 2025
Q2 2025
|
Squarepoint Ops LLC
New York, NY |
SELL
|
PUT |
-246K- 25.23% |
$18M - $21.4M
|
728K
$60.2M
|
|
|
Aug 14, 2025
Q2 2025
|
Ubs Group Ag
|
SELL
|
PUT |
-246K- 22.54% |
$18M - $21.4M
|
844K
$69.9M
|
|
|
Aug 13, 2025
Q2 2025
|
Haverford Trust CO
Radnor, PA |
SELL
|
- |
-245K- 44.2% |
$18M - $21.3M
|
309K
$25.6M
|
|
|
Jul 28, 2025
Q2 2025
|
Td Asset Management Inc
|
SELL
|
- |
-241K- 10.78% |
$17.7M - $21M
|
1.99M
$165M
|
|
|
Aug 14, 2025
Q2 2025
|
Israel Englander
Millennium Management LLC | New York, Ny
|
SELL
|
PUT |
-236K- 14.71% |
$17.3M - $20.6M
|
1.37M
$113M
|
|
|
Aug 13, 2025
Q2 2025
|
Healthcare Of Ontario Pension Plan Trust Fund
Toronto, A6 |
SELL
|
- |
-228K- 46.86% |
$16.8M - $19.9M
|
259K
$21.4M
|
|
|
Aug 14, 2025
Q2 2025
|
Engineers Gate Manager LP
New York, NY |
SELL
|
- |
-220K- 98.82% |
$16.2M - $19.2M
|
2.62K
$217K
|
|
|
Aug 12, 2025
Q2 2025
|
Trexquant Investment LP
Stamford, CT |
SELL
|
- |
-220K- 52.85% |
$16.2M - $19.2M
|
196K
$16.2M
|
|
|
Aug 06, 2025
Q2 2025
|
Los Angeles Capital Management LLC
|
SELL
|
- |
-219K- 8.2% |
$16.1M - $19.1M
|
2.46M
$203M
|
|
|
Aug 13, 2025
Q2 2025
|
Hsbc Holdings PLC
London, X0 |
SELL
|
- |
-219K- 2.73% |
$16.1M - $19M
|
7.79M
$645M
|
|
|
Aug 13, 2025
Q2 2025
|
Jeremy Grantham
Grantham, Mayo, Van Otterloo & Co. LLC | Boston, Ma
|
SELL
|
- |
-217K- 3.25% |
$15.9M - $18.9M
|
6.47M
$536M
|
|
|
Aug 12, 2025
Q2 2025
|
Mediolanum International Funds LTD
Dublin 1, L2 |
SELL
|
- |
-210K- 24.38% |
$15.4M - $18.3M
|
651K
$53.9M
|
|
|
Aug 07, 2025
Q2 2025
|
Factory Mutual Insurance CO
Waltham, MA |
SELL
|
- |
-207K- 42.39% |
$15.2M - $18M
|
281K
$23.3M
|
|
|
Aug 13, 2025
Q2 2025
|
Peak6 LLC
Chicago, IL |
SELL
|
PUT |
-205K- 81.6% |
$15.1M - $17.9M
|
46.3K
$3.83M
|
|
|
Aug 14, 2025
Q2 2025
|
Symphony Financial, Ltd. Co.
|
SELL
|
- |
-205K- 81.28% |
$15.1M - $17.9M
|
47.3K
$3.91M
|
|
|
Aug 14, 2025
Q2 2025
|
Bellevue Group Ag
Kuesnacht, V8 |
SELL
|
- |
-203K- 87.79% |
$14.9M - $17.7M
|
28.2K
$2.34M
|
|
|
Jul 16, 2025
Q2 2025
|
Randolph CO Inc
Cincinnati, OH |
SELL
|
- |
-201K- 97.99% |
$14.8M - $17.5M
|
4.12K
$341K
|
|
|
Aug 14, 2025
Q2 2025
|
Xponance, Inc.
|
SELL
|
- |
-196K- 31.23% |
$14.4M - $17M
|
431K
$35.7M
|
|
|
Aug 13, 2025
Q2 2025
|
Baird Financial Group, Inc.
Milwaukee, WI |
SELL
|
- |
-192K- 13.33% |
$14.1M - $16.7M
|
1.25M
$103M
|
|
|
Aug 14, 2025
Q2 2025
|
Sei Investments CO
Oaks, PA |
SELL
|
- |
-188K- 10.48% |
$13.8M - $16.4M
|
1.6M
$133M
|
|
|
Aug 14, 2025
Q2 2025
|
Canada Pension Plan Investment Board
Toronto Ontario, A6 |
SELL
|
- |
-185K- 4.85% |
$13.6M - $16.1M
|
3.64M
$301M
|
|
|
Aug 06, 2025
Q2 2025
|
Ae Wealth Management LLC
|
SELL
|
- |
-185K- 43.57% |
$13.6M - $16.1M
|
240K
$19.8M
|
|
|
Aug 14, 2025
Q2 2025
|
Hudson Bay Capital Management LP
Greenwich, CT |
SELL
|
- |
-185K- 50.97% |
$13.6M - $16.1M
|
178K
$14.7M
|
|
|
Aug 12, 2025
Q2 2025
|
Steward Partners Investment Advisory, LLC
|
SELL
|
- |
-174K- 35.42% |
$12.8M - $15.2M
|
317K
$26.3M
|
|
|
Aug 14, 2025
Q2 2025
|
Mml Investors Services, LLC
Springfield, MA |
SELL
|
- |
-171K- 33.94% |
$12.5M - $14.9M
|
332K
$27.5M
|
|
|
Aug 14, 2025
Q2 2025
|
Destination Wealth Management
|
SELL
|
- |
-170K- 77.33% |
$12.5M - $14.9M
|
50K
$4.14M
|
|
|
Jul 17, 2025
Q2 2025
|
Sonora Investment Management Group, LLC
Tucson, AZ |
SELL
|
- |
-169K- 96.19% |
$12.4M - $14.7M
|
6.69K
$554K
|
|
|
Aug 13, 2025
Q2 2025
|
Schroder Investment Management Group
London, X0 |
SELL
|
- |
-162K- 9.82% |
$11.9M - $14.1M
|
1.49M
$123M
|
|
|
Aug 13, 2025
Q2 2025
|
Walleye Capital LLC
Plymouth, MN |
SELL
|
- |
-160K- 75.16% |
$11.8M - $14M
|
52.9K
$4.38M
|
|
|
Jul 18, 2025
Q2 2025
|
Platinum Investment Management LTD
Sydney Australia 2000, C3 |
SELL
|
- |
-159K- 15.4% |
$11.7M - $13.9M
|
876K
$72.5M
|
|
|
Aug 08, 2025
Q2 2025
|
Calamos Advisors LLC
|
SELL
|
- |
-158K- 23.65% |
$11.6M - $13.8M
|
510K
$42.3M
|