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, 1,345 increasing their positions, 1,419 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: 1,345 | Existing positions reduced: 1,419

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
PRTG
2776
Post Resch Tallon Group
New York
$286K
HFA
2777
High Falls Advisors
New York
$286K
ISB
2778
Iowa State Bank
Iowa
$286K
SP
2779
Symmetry Partners
Connecticut
$286K
SNBOSCI
2780
Security National Bank of Sioux City Iowa
Iowa
$286K
MWM
2781
MBE Wealth Management
Wisconsin
$284K
VFA
2782
Voya Financial Advisors
Connecticut
$284K
BCM
2783
Boreal Capital Management
Florida
$284K
VAF
2784
Values Added Financial
District of Columbia
$283K
NQWM
2785
Northwest Quadrant Wealth Management
Oregon
$282K
SWM
2786
Sterling Wealth Management
Illinois
$281K
OFO
2787
OneAscent Family Office
Alabama
$281K
MFWP
2788
Mosaic Family Wealth Partners
Missouri
$281K
GWA
2789
Genesis Wealth Advisors
Massachusetts
$281K
IPW
2790
Intergy Private Wealth
Colorado
$281K
FAG
2791
Fortitude Advisory Group
Washington
$281K
HWM
2792
Hemington Wealth Management
Virginia
$281K
Jacobs Levy Equity Management
2793
Jacobs Levy Equity Management
New Jersey
$281K
Pzena Investment Management
2794
Pzena Investment Management
New York
$279K
ODIJL
2795
One Day In July LLC
Vermont
$278K
VP
2796
Verum Partners
North Carolina
$278K
RWM
2797
Revisor Wealth Management
Ohio
$278K
SWP
2798
Strategic Wealth Partners
Ohio
$277K
HP
2799
Highlander Partners
Texas
$277K
CFO
2800
Collective Family Office
Pennsylvania
$276K