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, 1,338 increasing their positions, 1,410 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: 1,338 | Existing positions reduced: 1,410

2.19% less ownership

Funds ownership: 78.17%75.98% (-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
IIC
1476
Integrated Investment Consultants
Michigan
$1.57M
CIA
1477
Compass Ion Advisors
Pennsylvania
$1.57M
CCMG
1478
Clark Capital Management Group
Pennsylvania
$1.57M
FMB
1479
Field & Main Bank
Kentucky
$1.57M
DCM
1480
Dudley Capital Management
Virginia
$1.56M
NCM
1481
NCM Capital Management
New Jersey
$1.56M
EFSCE
1482
Enterprise Financial Services Corp (EFSC)
Missouri
$1.56M
ACM
1483
ADAR1 Capital Management
Texas
$1.56M
DAM
1484
Diamant Asset Management
Connecticut
$1.55M
FIA
1485
Foundations Investment Advisors
Arizona
$1.55M
KFS
1486
Kurt F. Somerville
$1.54M
AIM
1487
Avity Investment Management
Connecticut
$1.54M
LSA
1488
L & S Advisors
California
$1.54M
FIM
1489
Fruth Investment Management
Texas
$1.54M
AT
1490
Avalon Trust
New Mexico
$1.54M
OIM
1491
Orca Investment Management
Oregon
$1.53M
ISWM
1492
Independent Solutions Wealth Management
New York
$1.53M
ALAM
1493
Asahi Life Asset Management
Japan
$1.53M
PAM
1494
Peak Asset Management
Colorado
$1.53M
RSVP
1495
Ramsay Stattman Vela & Price
Colorado
$1.53M
IAMOG
1496
Investors Asset Management of Georgia
Georgia
$1.53M
FAT
1497
First American Trust
California
$1.52M
BEC
1498
Blue Edge Capital
Virginia
$1.52M
KSB
1499
Kennebec Savings Bank
Maine
$1.51M
QIM
1500
Quest Investment Management
Oregon
$1.51M