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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 %
RCM
276
Radnor Capital Management
Pennsylvania
$45.6M -$1.19M -13,268 -3%
VLKIM
277
Van Lanschot Kempen Investment Management
Netherlands
$45.2M -$116M -1,292,388 -72%
MML Investors Services
278
MML Investors Services
Massachusetts
$45.1M +$825K +9,190 +2%
Susquehanna International Group
279
Susquehanna International Group
Pennsylvania
$45M -$87.8M -978,665 -66%
EF
280
Empowered Funds
Pennsylvania
$45M +$16.2M +180,118 +56%
GC
281
Guggenheim Capital
Illinois
$44.9M +$10.1M +112,579 +29%
P
282
&Partners
Tennessee
$44.8M +$7.2M +80,574 +19%
RG
283
Rathbones Group
United Kingdom
$44.7M -$68.6M -764,209 -61%
AAP
284
Aristotle Atlantic Partners
Florida
$44.6M – – –
RT
285
Rockland Trust
Massachusetts
$44.3M +$6.84M +76,223 +18%
KBG
286
Kahn Brothers Group
New York
$44.2M -$1.49M -16,633 -3%
BBVA
287
Banco Bilbao Vizcaya Argentaria
Spain
$44.1M +$94.4K +1,051 +0.2%
SPIA
288
Steward Partners Investment Advisory
New York
$44.1M +$671K +7,481 +2%
Pathstone Holdings
289
Pathstone Holdings
New Jersey
$43.9M -$2.78M -30,924 -6%
FMI
290
Factory Mutual Insurance
Massachusetts
$43.8M -$6.39M -71,200 -13%
Assenagon Asset Management
291
Assenagon Asset Management
Luxembourg
$43.7M -$20M -222,494 -31%
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
292
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$43.7M -$169M -1,878,640 -79%
II
293
IFM Investors
Australia
$43.5M -$338K -3,764 -0.8%
Fidelity International
294
Fidelity International
Bermuda
$43.5M +$23.9M +265,942 +122%
BCIM
295
British Columbia Investment Management
British Columbia, Canada
$43.4M -$147K -1,638 -0.3%
BTCPP
296
Border to Coast Pensions Partnership
United Kingdom
$43M – – –
OAM
297
Oppenheimer Asset Management
New York
$42.9M -$100K -1,117 -0.2%
1832 Asset Management
298
1832 Asset Management
Ontario, Canada
$42.7M -$1.38M -15,376 -3%
DCM
299
Donaldson Capital Management
Indiana
$42.7M +$541K +6,027 +1%
DK
300
DJE Kapital
Germany
$40.8M -$1.27M -14,259 -3%
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