3,289 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, 1,420 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: 3,3103,289 (-21)

5% less repeat investments, than reductions

Existing positions increased: 1,344 | Existing positions reduced: 1,420

2.22% less ownership

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

Holders
3,289
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
LPT
1476
Legacy Private Trust
Wisconsin
$1.58M
ECM
1477
Eisler Capital Management
United Kingdom
$1.58M
Wolverine Trading
1478
Wolverine Trading
Illinois
$1.58M
AFP
1479
Ausdal Financial Partners
Iowa
$1.58M
OQS
1480
Occudo Quantitative Strategies
Florida
$1.58M
IWA
1481
IVC Wealth Advisors
Pennsylvania
$1.57M
IIC
1482
Integrated Investment Consultants
Michigan
$1.57M
CIA
1483
Compass Ion Advisors
Pennsylvania
$1.57M
CCMG
1484
Clark Capital Management Group
Pennsylvania
$1.57M
FMB
1485
Field & Main Bank
Kentucky
$1.57M
DCM
1486
Dudley Capital Management
Virginia
$1.56M
NCM
1487
NCM Capital Management
New Jersey
$1.56M
EFSCE
1488
Enterprise Financial Services Corp (EFSC)
Missouri
$1.56M
ACM
1489
ADAR1 Capital Management
Texas
$1.56M
DAM
1490
Diamant Asset Management
Connecticut
$1.55M
FIA
1491
Foundations Investment Advisors
Arizona
$1.55M
KFS
1492
Kurt F. Somerville
$1.54M
AIM
1493
Avity Investment Management
Connecticut
$1.54M
LSA
1494
L & S Advisors
California
$1.54M
FIM
1495
Fruth Investment Management
Texas
$1.54M
AT
1496
Avalon Trust
New Mexico
$1.54M
OIM
1497
Orca Investment Management
Oregon
$1.53M
ISWM
1498
Independent Solutions Wealth Management
New York
$1.53M
ALAM
1499
Asahi Life Asset Management
Japan
$1.53M
PAM
1500
Peak Asset Management
Colorado
$1.53M