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
PK
1451
Pflug Koory
Nebraska
$1.65M
BFM
1452
Boothbay Fund Management
New York
$1.64M
BF
1453
bLong Financial
Tennessee
$1.64M
DAS
1454
Diversify Advisory Services
Utah
$1.64M
LA
1455
LVW Advisors
New York
$1.64M
AC
1456
Avestar Capital
New York
$1.64M
KIM
1457
Kestra Investment Management
Texas
$1.64M
CT
1458
Clearstead Trust
Maine
$1.64M
HR
1459
Howe & Rusling
New York
$1.63M
MWM
1460
Mindset Wealth Management
Indiana
$1.63M
LIM
1461
Longfellow Investment Management
Massachusetts
$1.63M
LCM
1462
Leisure Capital Management
California
$1.62M
WWM
1463
Wolff Wiese Magana
California
$1.62M
SFS
1464
Strategic Financial Services
New York
$1.62M
AWM
1465
Accurate Wealth Management
Florida
$1.62M
MFA
1466
Mayflower Financial Advisors
Massachusetts
$1.62M
IMC Chicago
1467
IMC Chicago
Illinois
$1.61M
TT
1468
TI-Trust
Illinois
$1.61M
IIL
1469
Insight Inv LLC
California
$1.61M
KCM
1470
Kendall Capital Management
Maryland
$1.6M
GLLW
1471
Graves Light Lenhart Wealth
Virginia
$1.6M
VCAM
1472
Van Cleef Asset Management
Ohio
$1.6M
LS
1473
Livforsakringsbolaget Skandia
Sweden
$1.59M
AF
1474
Apexium Financial
Texas
$1.59M
ONSWM
1475
Old North State Wealth Management
North Carolina
$1.59M