3,253 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: 3,2963,253 (-43)

2.2% less ownership

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

Holders
3,253
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
FZCM
2801
Flynn Zito Capital Management
New York
$267K
OWP
2802
ORG Wealth Partners
Texas
$266K
BI
2803
Binnacle Investments
Iowa
$266K
OR
2804
Olympiad Research
Connecticut
$265K
MPIA
2805
Milestones Private Investment Advisors
New York
$265K
BAM
2806
Byrne Asset Management
New Jersey
$265K
OWA
2807
Opal Wealth Advisors
New York
$264K
OCM
2808
Objective Capital Management
Ohio
$264K
RW
2809
Regimen Wealth
Georgia
$264K
PSB
2810
Piscataqua Savings Bank
New Hampshire
$263K
EWM
2811
Elmwood Wealth Management
California
$263K
CRI
2812
Colonial River Investments
Virginia
$260K
KIA
2813
Knollwood Investment Advisory
Maryland
$260K
TIA
2814
Tandem Investment Advisors
South Carolina
$260K
BBA
2815
Braun-Bostich & Associates
Pennsylvania
$260K
OHWA
2816
Oak Hill Wealth Advisors
Virginia
$259K
PFP
2817
Paragon Financial Partners
California
$258K
WIM
2818
Westside Investment Management
California
$258K
LWM
2819
Liberty Wealth Management
California
$258K
PPWM
2820
Paragon Private Wealth Management
Kentucky
$258K
PAG
2821
Powers Advisory Group
Illinois
$257K
PMFA
2822
Plante Moran Financial Advisors
Michigan
$257K
WF
2823
Whelan Financial
California
$257K
BWM
2824
Baron Wealth Management
Michigan
$256K
MIA
2825
MeadowBrook Investment Advisors
Michigan
$256K