3,273 hedge funds and large institutions have $159B invested in Merck in 2025 Q3 according to their latest regulatory filings, with 190 funds opening new positions, 1,339 increasing their positions, 1,409 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: 3,3023,273 (-29)

5% less repeat investments, than reductions

Existing positions increased: 1,339 | Existing positions reduced: 1,409

2.19% less ownership

Funds ownership: 78.17%75.99% (-2.2%)

Holders
3,273
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
LOAMS
551
Lombard Odier Asset Management (Switzerland)
Switzerland
$11.9M
CA
552
Cornerstone Advisors
North Carolina
$11.9M
BRCM
553
Bright Rock Capital Management
Massachusetts
$11.9M
LMIM
554
Lockheed Martin Investment Management
Maryland
$11.9M
MFG
555
Merit Financial Group
Georgia
$11.8M
QI
556
QV Investors
Alberta, Canada
$11.8M
EGA
557
Eagle Global Advisors
Texas
$11.8M
FVWA
558
Foster Victor Wealth Advisors
South Carolina
$11.6M
PAM
559
Panagora Asset Management
Massachusetts
$11.6M
ACIM
560
Azimuth Capital Investment Management
Michigan
$11.5M
CIG
561
Cullen Investment Group
Louisiana
$11.5M
WAS
562
Wesleyan Assurance Society
United Kingdom
$11.4M
NCM
563
Narwhal Capital Management
Georgia
$11.4M
DPL
564
Danica Pension Livsforsikrings
$11.4M
MIM
565
Morningstar Investment Management
Illinois
$11.4M
BCWM
566
Bartlett & Co Wealth Management
Ohio
$11.3M
TS
567
Triglav Skladi
Slovenia
$11.3M
Ninety One (UK)
568
Ninety One (UK)
United Kingdom
$11.2M
RB
569
Rodgers Brothers
Pennsylvania
$11.2M
SGI
570
Summit Global Investments
Utah
$11.1M
DMC
571
Drexel Morgan & Co
Pennsylvania
$11.1M
WA
572
Waverly Advisors
Alabama
$11.1M
GA
573
GFS Advisors
Texas
$11.1M
EIP
574
Easterly Investment Partners
Massachusetts
$11M
LSERS
575
Louisiana State Employees Retirement System
Louisiana
$11M