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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 %
Rafferty Asset Management
426
Rafferty Asset Management
New York
$21.3M -$4.73M -52,722 -18%
ISL
427
Ingalls & Snyder LLC
New York
$21.1M -$602K -6,712 -3%
FLPIM
428
F.L. Putnam Investment Management
Massachusetts
$20.9M +$948K +10,562 +5%
BG
429
Bellevue Group
Switzerland
$20.8M -$2.95M -32,855 -12%
CA
430
CapWealth Advisors
Tennessee
$20.7M +$1.42M +15,770 +7%
RIM
431
Rakuten Investment Management
Japan
$20.7M +$20.7M +231,479 New
AAS
432
Avantax Advisory Services
Texas
$20.6M -$68.7K -765 -0.3%
GD
433
Grandfield & Dodd
New York
$20.5M -$3.54M -39,396 -15%
Lido Advisors
434
Lido Advisors
California
$20.5M +$6.12M +67,777 +43%
PCIA
435
Prime Capital Investment Advisors
Kansas
$20.4M +$4.11M +45,771 +25%
AF
436
Avanza Fonder
Sweden
$20.3M -$3.38M -39,001 -14%
DILIC
437
Dai-ichi Life Insurance Company
Japan
$20.1M -$7.92M -88,221 -28%
GAM
438
Generali Asset Management
Italy
$20.1M -$3.75M -41,809 -16%
DP
439
Dearborn Partners
Illinois
$20M -$5.15M -57,396 -20%
EGM
440
Engineers Gate Manager
New York
$20M +$13.7M +152,393 +216%
KPWS
441
Kestra Private Wealth Services
Texas
$19.9M +$924K +10,298 +5%
Renaissance Technologies
442
Renaissance Technologies
New York
$19.9M -$104M -1,159,944 -84%
AP
443
Americana Partners
Texas
$19.8M +$146K +1,631 +0.7%
SFM
444
Stack Financial Management
Montana
$19.8M -$409K -4,556 -2%
DWM
445
Destination Wealth Management
California
$19.8M +$767K +8,545 +4%
TG
446
TCW Group
California
$19.8M -$12.2M -135,432 -38%
OPERF
447
Oregon Public Employees Retirement Fund
Oregon
$19.5M +$47.3K +527 +0.2%
IIM
448
Intact Investment Management
Quebec, Canada
$19.4M +$314K +3,500 +2%
SDIC
449
South Dakota Investment Council
South Dakota
$19.1M +$60.3K +672 +0.3%
Walleye Capital
450
Walleye Capital
New York
$19.1M +$10.9M +121,207 +132%
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