3,288 hedge funds and large institutions have $159B invested in Merck in 2025 Q3 according to their latest regulatory filings, with 189 funds opening new positions, 1,344 increasing their positions, 1,419 reducing their positions, and 150 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: $ → $

1% less funds holding

Funds holding: 3,3093,288 (-21)

5% less repeat investments, than reductions

Existing positions increased: 1,344 | Existing positions reduced: 1,419

2.22% less ownership

Funds ownership: 78.27%76.04% (-2.2%)

Holders
3,288
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 -$847M
2 -$568M
3 -$443M
4
BlackRock
BlackRock
New York
-$285M
5
Goldman Sachs
Goldman Sachs
New York
-$278M
Name Holding Trade Value Shares
Change
Change in
Stake
GAM
351
Generali Asset Management
Italy
$28.6M
AAM
352
Advisors Asset Management
Colorado
$28.6M
NYLIM
353
New York Life Investment Management
New York
$28.5M
SA
354
Sanctuary Advisors
Indiana
$28.3M
NAM
355
Nissay Asset Management
Japan
$27.8M
HIMC
356
Heritage Investors Management Corp
Maryland
$27.7M
WF
357
Welch & Forbes
Massachusetts
$27.4M
CA
358
CapWealth Advisors
Tennessee
$27.4M
GF
359
Gabelli Funds
New York
$27.3M
Public Employees Retirement Association of Colorado
360
Public Employees Retirement Association of Colorado
Colorado
$27.1M
SGA
361
Sector Gamma AS
Norway
$27.1M
VPIM
362
Vanguard Personalized Indexing Management
California
$26.9M
PWP
363
Private Wealth Partners
California
$26.7M
SI
364
Stephens Inc
Arkansas
$26.5M
HW
365
Hancock Whitney
Mississippi
$26.5M
WIC
366
Willis Investment Counsel
Georgia
$26.3M
SFA
367
Sequoia Financial Advisors
Ohio
$26.1M
HCMG
368
Howard Capital Management Group
California
$26.1M
SOADOR
369
State of Alaska Department of Revenue
Alaska
$26.1M
BCM
370
Bridgeway Capital Management
Texas
$25.9M
DWA
371
Douglass Winthrop Advisors
New York
$25.9M
ADEF
372
Adams Diversified Equity Fund
Maryland
$25.9M
CVA
373
Ceredex Value Advisors
Florida
$25.8M
WB
374
WesBanco Bank
West Virginia
$25.7M
NEI
375
Northwest & Ethical Investments
Ontario, Canada
$25.6M