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
ACS
1776
Archford Capital Strategies
Illinois
$1.04M
GWCM
1777
Godshalk Welsh Capital Management
Pennsylvania
$1.04M
PIA
1778
Pinion Investment Advisors
Kansas
$1.04M
PGA
1779
Portland Global Advisors
Maine
$1.04M
ECM
1780
Elgethun Capital Management
South Dakota
$1.03M
MA
1781
MONECO Advisors
Connecticut
$1.03M
MFG
1782
MidWestOne Financial Group
Iowa
$1.03M
SC
1783
Schulhoff & Co
Ohio
$1.03M
TAP
1784
Tounjian Advisory Partners
Florida
$1.03M
BHB
1785
Bank Hapoalim BM
Israel
$1.03M
NAS
1786
Nicolet Advisory Services
Wisconsin
$1.03M
AIM
1787
Advyzon Investment Management
Illinois
$1.02M
TC
1788
Truvestments Capital
Florida
$1.02M
BCG
1789
Breakwater Capital Group
New Jersey
$1.02M
LCM
1790
LVM Capital Management
Michigan
$1.02M
EFG
1791
Everhart Financial Group
Ohio
$1.02M
AM
1792
AGF Management
Ontario, Canada
$1.02M
CHJWM
1793
Carlton Hofferkamp & Jenks Wealth Management
Texas
$1.02M
CG
1794
Curat Global
New Hampshire
$1.02M
FNC
1795
First National Corp
Massachusetts
$1.02M
LTAS
1796
Linden Thomas Advisory Services
North Carolina
$1.02M
BTWM
1797
Baker Tilly Wealth Management
Wisconsin
$1.02M
DWM
1798
Dynasty Wealth Management
Florida
$1.02M
WA1
1799
Wimmer Associates 1
California
$1.02M
GWA
1800
Gibson Wealth Advisors
Texas
$1.02M