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
PP
1576
PDS Planning
Ohio
$1.34M
MA
1577
MCF Advisors
Kentucky
$1.34M
HNWAG
1578
High Net Worth Advisory Group
Florida
$1.34M
SB
1579
SIG Brokerage
New York
$1.33M
HFBOT
1580
Home Federal Bank of Tennessee
Tennessee
$1.33M
SC
1581
Sawyer & Company
Massachusetts
$1.33M
GIM
1582
Gold Investment Management
Alberta, Canada
$1.33M
AI
1583
Atom Investors
Texas
$1.33M
FFO
1584
Fiduciary Family Office
Florida
$1.32M
CWM
1585
Calamos Wealth Management
Illinois
$1.32M
LJHT
1586
Laurie J. Hall Trustee
$1.32M
BWM
1587
BCS Wealth Management
Tennessee
$1.32M
BEAM
1588
Baker Ellis Asset Management
Washington
$1.32M
CRB
1589
Chad R. Baker
$1.32M
SSI
1590
Scott & Selber Inc
Texas
$1.32M
TCM
1591
Telos Capital Management
California
$1.32M
CFP
1592
Cascade Financial Partners
California
$1.31M
CIA
1593
Caerus Investment Advisors
Texas
$1.31M
GAG
1594
GM Advisory Group
New York
$1.31M
WCM
1595
Windsor Capital Management
Arizona
$1.3M
SLT
1596
St Louis Trust
Missouri
$1.3M
MC
1597
Martin & Co
Tennessee
$1.3M
PWM
1598
PBMares Wealth Management
Virginia
$1.3M
SPF
1599
South Plains Financial
Texas
$1.3M
EFM
1600
Eley Financial Management
Vermont
$1.3M