3,254 hedge funds and large institutions have $159B invested in Merck in 2025 Q3 according to their latest regulatory filings, with 191 funds opening new positions, 1,331 increasing their positions, 1,399 reducing their positions, and 147 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: $ → $

5% less repeat investments, than reductions

Existing positions increased: 1,331 | Existing positions reduced: 1,399

1% less funds holding

Funds holding: 3,2963,254 (-42)

2.2% less ownership

Funds ownership: 78.07%75.87% (-2.2%)

Holders
3,254
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
AI
1576
Atom Investors
Texas
$1.33M
FFO
1577
Fiduciary Family Office
Florida
$1.32M
CWM
1578
Calamos Wealth Management
Illinois
$1.32M
LJHT
1579
Laurie J. Hall Trustee
$1.32M
BWM
1580
BCS Wealth Management
Tennessee
$1.32M
BEAM
1581
Baker Ellis Asset Management
Washington
$1.32M
CRB
1582
Chad R. Baker
$1.32M
SSI
1583
Scott & Selber Inc
Texas
$1.32M
TCM
1584
Telos Capital Management
California
$1.32M
CFP
1585
Cascade Financial Partners
California
$1.31M
CIA
1586
Caerus Investment Advisors
Texas
$1.31M
GAG
1587
GM Advisory Group
New York
$1.31M
WCM
1588
Windsor Capital Management
Arizona
$1.3M
SLT
1589
St Louis Trust
Missouri
$1.3M
MC
1590
Martin & Co
Tennessee
$1.3M
PWM
1591
PBMares Wealth Management
Virginia
$1.3M
SPF
1592
South Plains Financial
Texas
$1.3M
EFM
1593
Eley Financial Management
Vermont
$1.3M
LHC
1594
Little House Capital
Massachusetts
$1.29M
AWE
1595
Avidian Wealth Enterprises
Texas
$1.29M
EWM
1596
Evermay Wealth Management
Virginia
$1.29M
RA
1597
Ransom Advisory
Rhode Island
$1.29M
QFA
1598
Quattro Financial Advisors
Texas
$1.29M
SJIM
1599
St. Johns Investment Management
Florida
$1.29M
LF
1600
Lantz Financial
Illinois
$1.29M