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
SFI
1576
SPC Financial Inc
Maryland
$1.35M
EA
1577
Ellsworth Advisors
Ohio
$1.35M
VPI
1578
Value Partners Investments
Manitoba, Canada
$1.34M
MF
1579
Meridian Financial
Massachusetts
$1.34M
AT
1580
AMF Tjänstepension
Sweden
$1.34M
PP
1581
PDS Planning
Ohio
$1.34M
MA
1582
MCF Advisors
Kentucky
$1.34M
HNWAG
1583
High Net Worth Advisory Group
Florida
$1.34M
SB
1584
SIG Brokerage
New York
$1.33M
HFBOT
1585
Home Federal Bank of Tennessee
Tennessee
$1.33M
SC
1586
Sawyer & Company
Massachusetts
$1.33M
GIM
1587
Gold Investment Management
Alberta, Canada
$1.33M
AI
1588
Atom Investors
Texas
$1.33M
FFO
1589
Fiduciary Family Office
Florida
$1.32M
CWM
1590
Calamos Wealth Management
Illinois
$1.32M
LJHT
1591
Laurie J. Hall Trustee
$1.32M
BWM
1592
BCS Wealth Management
Tennessee
$1.32M
BEAM
1593
Baker Ellis Asset Management
Washington
$1.32M
CRB
1594
Chad R. Baker
$1.32M
SSI
1595
Scott & Selber Inc
Texas
$1.32M
TCM
1596
Telos Capital Management
California
$1.32M
CFP
1597
Cascade Financial Partners
California
$1.31M
CIA
1598
Caerus Investment Advisors
Texas
$1.31M
GAG
1599
GM Advisory Group
New York
$1.31M
WCM
1600
Windsor Capital Management
Arizona
$1.3M