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, 1,339 increasing their positions, 1,409 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: 1,339 | Existing positions reduced: 1,409

2.19% less ownership

Funds ownership: 78.17%75.99% (-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
KIA
2826
Knollwood Investment Advisory
Maryland
$260K
TIA
2827
Tandem Investment Advisors
South Carolina
$260K
BBA
2828
Braun-Bostich & Associates
Pennsylvania
$260K
OHWA
2829
Oak Hill Wealth Advisors
Virginia
$259K
PFP
2830
Paragon Financial Partners
California
$258K
WIM
2831
Westside Investment Management
California
$258K
LWM
2832
Liberty Wealth Management
California
$258K
PPWM
2833
Paragon Private Wealth Management
Kentucky
$258K
PAG
2834
Powers Advisory Group
Illinois
$257K
PMFA
2835
Plante Moran Financial Advisors
Michigan
$257K
WF
2836
Whelan Financial
California
$257K
BWM
2837
Baron Wealth Management
Michigan
$256K
MIA
2838
MeadowBrook Investment Advisors
Michigan
$256K
HFP
2839
Holistic Financial Partners
Indiana
$256K
PFM
2840
Patton Fund Management
Texas
$256K
BFG
2841
Birch Financial Group
New Hampshire
$256K
MFC
2842
Morris Financial Concepts
South Carolina
$256K
DBRC
2843
D.B. Root & Company
Pennsylvania
$255K
PBT
2844
Pictet Bank & Trust
Bahamas
$255K
TWM
2845
TriaGen Wealth Management
California
$255K
CA
2846
Carson Advisory
Georgia
$255K
WA
2847
Waterford Advisors
New York
$254K
DC
2848
Diametric Capital
Massachusetts
$254K
LSWM
2849
Lorne Steinberg Wealth Management
Canada
$254K
HPM
2850
Hoxton Planning & Management
West Virginia
$253K