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Merck
MRK

Overview Fund Activity

3,400 hedge funds and large institutions have $177B invested in Merck in 2025 Q1 according to their latest regulatory filings, with 183 funds opening new positions, 1,323 increasing their positions, 1,580 reducing their positions, and 275 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
3,400
Holders Change
-162
Holders Change %
-4.55%
% of All Funds
46.18%
Holding in Top 10
64
Holding in Top 10 Change
-8
Holding in Top 10 Change %
-11.11%
% of All Funds
0.87%
New
183
Increased
1,323
Reduced
1,580
Closed
275
Calls
$2.57B
Puts
$2.32B
Net Calls
+$255M
Net Calls Change
+$17.9M

Top Buyers

1
Charles Schwab
Charles Schwab
California
+$2.61B
2
TIM
Thornburg Investment Management
New Mexico
+$1.09B
3
Fisher Asset Management
Fisher Asset Management
Washington
+$748M
4
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
+$708M
5
Pacer Advisors
Pacer Advisors
Pennsylvania
+$454M

Top Sellers

1
Capital World Investors
Capital World Investors
California
-$787M
2
AIM
Alphinity Investment Management
Australia
-$693M
3
Fidelity Investments
Fidelity Investments
Massachusetts
-$498M
4
Bank of America
Bank of America
North Carolina
-$481M
5
Royal Bank of Canada
Royal Bank of Canada
Ontario, Canada
-$377M
Name Holding Trade Value Shares
Change 		Shares
Change %
RCP
3426
Rothschild Capital Partners
New York
– -$6.17M -62,026 Closed
CCAM
3427
Codex Capital Asset Management
Texas
– -$5.97M -60,000 Closed
MWM
3428
Marietta Wealth Management
Georgia
– -$5.87M -58,976 Closed
SWIG
3429
Strategic Wealth Investment Group
Kentucky
– -$5.55M -55,838 Closed
HW
3430
Hedeker Wealth
Illinois
– -$5.4M -54,248 Closed
BCM
3431
Bayesian Capital Management
New York
– -$4.71M -47,355 Closed
AC
3432
Asio Capital
Kentucky
– -$4.65M -46,771 Closed
RWM
3433
RBA Wealth Management
California
– -$4.42M -44,453 Closed
SCA
3434
Stokes Capital Advisors
South Carolina
– -$4.41M -44,324 Closed
Wolverine Trading
3435
Wolverine Trading
Illinois
– -$4.32M -43,963 Closed
Simplex Trading
3436
Simplex Trading
Illinois
– -$4.11M -41,291 Closed
CPCPP
3437
Canada Post Corporation Pension Plan
Canada
– -$3.77M -37,868 Closed
Group One Trading
3438
Group One Trading
Illinois
– -$3.76M -37,824 Closed
LMIM
3439
Lockheed Martin Investment Management
Maryland
– -$3.73M -37,500 Closed
SF
3440
Symphony Financial
Texas
– -$3.58M -37,238 Closed
LRWA
3441
Long Run Wealth Advisors
New York
– -$3.66M -36,765 Closed
CFGS
3442
Concourse Financial Group Securities
Alabama
– -$3.52M -36,743 Closed
HC
3443
Hendley & Co
Ohio
– -$3.65M -36,664 Closed
AHB
3444
Abner Herrman & Brock
New Jersey
– -$3.63M -36,461 Closed
RPSA
3445
Richard P. Slaughter Associates
Texas
– -$3.34M -33,551 Closed
SM
3446
Sciencast Management
New Jersey
– -$3.14M -31,583 Closed
SC
3447
Sepio Capital
Utah
– -$2.64M -26,569 Closed
WPW
3448
Warther Private Wealth
Ohio
– -$2.56M -25,729 Closed
CWI
3449
Conscious Wealth Investments
Florida
– -$2.49M -25,439 Closed
ACM
3450
Advent Capital Management
New York
– -$2.49M -25,000 Closed
136 137
138
139 140