3,274 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, 1,411 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: 3,3023,274 (-28)

5% less repeat investments, than reductions

Existing positions increased: 1,338 | Existing positions reduced: 1,411

2.14% less ownership

Funds ownership: 78.17%76.03% (-2.1%)

Holders
3,274
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
AC
1451
Avestar Capital
New York
$1.64M
KIM
1452
Kestra Investment Management
Texas
$1.64M
CT
1453
Clearstead Trust
Maine
$1.64M
HR
1454
Howe & Rusling
New York
$1.63M
MWM
1455
Mindset Wealth Management
Indiana
$1.63M
LIM
1456
Longfellow Investment Management
Massachusetts
$1.63M
LCM
1457
Leisure Capital Management
California
$1.62M
WWM
1458
Wolff Wiese Magana
California
$1.62M
SFS
1459
Strategic Financial Services
New York
$1.62M
AWM
1460
Accurate Wealth Management
Florida
$1.62M
MFA
1461
Mayflower Financial Advisors
Massachusetts
$1.62M
IMC Chicago
1462
IMC Chicago
Illinois
$1.61M
TT
1463
TI-Trust
Illinois
$1.61M
IIL
1464
Insight Inv LLC
California
$1.61M
KCM
1465
Kendall Capital Management
Maryland
$1.6M
GLLW
1466
Graves Light Lenhart Wealth
Virginia
$1.6M
VCAM
1467
Van Cleef Asset Management
Ohio
$1.6M
LS
1468
Livforsakringsbolaget Skandia
Sweden
$1.59M
AF
1469
Apexium Financial
Texas
$1.59M
ONSWM
1470
Old North State Wealth Management
North Carolina
$1.59M
LPT
1471
Legacy Private Trust
Wisconsin
$1.58M
ECM
1472
Eisler Capital Management
United Kingdom
$1.58M
Wolverine Trading
1473
Wolverine Trading
Illinois
$1.58M
AFP
1474
Ausdal Financial Partners
Iowa
$1.58M
OQS
1475
Occudo Quantitative Strategies
Florida
$1.58M