3,273 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, 1,410 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: 3,3023,273 (-29)

5% less repeat investments, than reductions

Existing positions increased: 1,338 | Existing positions reduced: 1,410

2.19% less ownership

Funds ownership: 78.17%75.98% (-2.2%)

Holders
3,273
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
WCM
2001
Washington Capital Management
Washington
$758K
PCA
2002
Peddock Capital Advisors
Massachusetts
$758K
CFA
2003
Capstone Financial Advisors
Illinois
$756K
LAM
2004
Lynch Asset Management
Pennsylvania
$755K
WPA
2005
West Paces Advisors
Georgia
$752K
WTA
2006
Washington Trust Advisors
Massachusetts
$751K
IFWM
2007
Institute for Wealth Management
Colorado
$749K
ONST
2008
Old North State Trust
North Carolina
$749K
SFC
2009
SYM Financial Corp
Indiana
$749K
FC
2010
Financial Consulate
Maryland
$744K
MCM
2011
Maple Capital Management
Vermont
$744K
AIM
2012
Aigen Investment Management
New York
$744K
CTA
2013
Colonial Trust Advisors
South Carolina
$743K
CST
2014
Charles Schwab Trust
Nevada
$742K
CLA
2015
Carnegie Lake Advisors
New Jersey
$741K
OWP
2016
Obermeyer Wealth Partners
Colorado
$741K
FBFS
2017
First Business Financial Services
Wisconsin
$741K
HTI
2018
Hikari Tsushin Inc
Japan
$740K
MAWCM
2019
Mine & Arao Wealth Creation & Management
California
$738K
MCCA
2020
Mill Creek Capital Advisors
Pennsylvania
$738K
MMCM
2021
Murphy & Mullick Capital Management
New York
$737K
SB
2022
Strategic Blueprint
Georgia
$737K
CWP
2023
CFM Wealth Partners
Texas
$736K
BONH
2024
Bank of New Hampshire
New Hampshire
$735K
PCM
2025
Perkins Capital Management
Minnesota
$734K