3,253 hedge funds and large institutions have $159B invested in Merck in 2025 Q3 according to their latest regulatory filings, with 191 funds opening new positions, 1,331 increasing their positions, 1,399 reducing their positions, and 147 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

5% less repeat investments, than reductions

Existing positions increased: 1,331 | Existing positions reduced: 1,399

1% less funds holding

Funds holding: 3,2963,253 (-43)

2.2% less ownership

Funds ownership: 78.07%75.87% (-2.2%)

Holders
3,253
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
46
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.83B
Puts
$2.51B
Net Calls
Net Calls Change

Top Sellers

1 -$863M
2 -$579M
3 -$452M
4
BlackRock
BlackRock
New York
-$291M
5
Goldman Sachs
Goldman Sachs
New York
-$283M
Name Holding Trade Value Shares
Change
Change in
Stake
NAM
351
Nissay Asset Management
Japan
$27.8M
HIMC
352
Heritage Investors Management Corp
Maryland
$27.7M
WF
353
Welch & Forbes
Massachusetts
$27.4M
CA
354
CapWealth Advisors
Tennessee
$27.4M
GF
355
Gabelli Funds
New York
$27.3M
Public Employees Retirement Association of Colorado
356
Public Employees Retirement Association of Colorado
Colorado
$27.1M
SGA
357
Sector Gamma AS
Norway
$27.1M
VPIM
358
Vanguard Personalized Indexing Management
California
$26.9M
PWP
359
Private Wealth Partners
California
$26.7M
SI
360
Stephens Inc
Arkansas
$26.5M
HW
361
Hancock Whitney
Mississippi
$26.5M
WIC
362
Willis Investment Counsel
Georgia
$26.3M
SFA
363
Sequoia Financial Advisors
Ohio
$26.1M
HCMG
364
Howard Capital Management Group
California
$26.1M
SOADOR
365
State of Alaska Department of Revenue
Alaska
$26.1M
BCM
366
Bridgeway Capital Management
Texas
$25.9M
DWA
367
Douglass Winthrop Advisors
New York
$25.9M
ADEF
368
Adams Diversified Equity Fund
Maryland
$25.9M
CVA
369
Ceredex Value Advisors
Florida
$25.8M
WB
370
WesBanco Bank
West Virginia
$25.7M
NEI
371
Northwest & Ethical Investments
Ontario, Canada
$25.6M
Northwestern Mutual Wealth Management
372
Northwestern Mutual Wealth Management
Wisconsin
$25.5M
IMCOOI
373
Investment Management Corp of Ontario (IMCO)
Canada
$25.4M
TSW
374
Thompson Siegel & Walmsley
Virginia
$25.4M
PAG
375
Private Advisor Group
New Jersey
$25.2M