3,288 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, 1,419 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: 3,3093,288 (-21)

5% less repeat investments, than reductions

Existing positions increased: 1,344 | Existing positions reduced: 1,419

2.22% less ownership

Funds ownership: 78.27%76.04% (-2.2%)

Holders
3,288
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
OC
601
Optimas Capital
Hong Kong
$10.3M
WBC
602
Westpac Banking Corp
Australia
$10.2M
ERP
603
Eldred Rock Partners
Texas
$10.2M
UCFA
604
United Capital Financial Advisors
Texas
$10.2M
HFS
605
Hantz Financial Services
Michigan
$10.2M
SAM
606
Securian Asset Management
Minnesota
$10.1M
CL
607
Choreo LLC
Illinois
$10.1M
CWP
608
Cyndeo Wealth Partners
Florida
$10.1M
UB
609
UMB Bank
Missouri
$10.1M
SF
610
Summit Financial
New Jersey
$10.1M
JWCA
611
J.W. Cole Advisors
Florida
$10M
VA
612
Vident Advisory
Georgia
$10M
FHC
613
First Horizon Corporation
Tennessee
$10M
SW
614
SlateStone Wealth
Florida
$9.98M
AAM
615
Auxier Asset Management
Oregon
$9.95M
SAM
616
SP Asset Management
California
$9.92M
MGIA
617
Matthew Goff Investment Advisor
Texas
$9.91M
ASN
618
Advisory Services Network
Georgia
$9.91M
CCS
619
Concentric Capital Strategies
Connecticut
$9.84M
KC
620
Kepler Cheuvreux
$9.83M
HW
621
Hamilton Wealth
California
$9.8M
ERSOT
622
Employees Retirement System of Texas
Texas
$9.77M
CB
623
Community Bank
New York
$9.74M
Twin Tree Management
624
Twin Tree Management
Texas
$9.67M
BCI
625
Brinker Capital Investments
Pennsylvania
$9.65M