3,244 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, 1,326 increasing their positions, 1,396 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: 1,326 | Existing positions reduced: 1,396

1% less funds holding

Funds holding: 3,2933,244 (-49)

2.24% less ownership

Funds ownership: 78.03%75.78% (-2.2%)

Holders
3,244
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
PSB
2801
Piscataqua Savings Bank
New Hampshire
$263K
EWM
2802
Elmwood Wealth Management
California
$263K
CRI
2803
Colonial River Investments
Virginia
$260K
KIA
2804
Knollwood Investment Advisory
Maryland
$260K
TIA
2805
Tandem Investment Advisors
South Carolina
$260K
BBA
2806
Braun-Bostich & Associates
Pennsylvania
$260K
OHWA
2807
Oak Hill Wealth Advisors
Virginia
$259K
PFP
2808
Paragon Financial Partners
California
$258K
WIM
2809
Westside Investment Management
California
$258K
LWM
2810
Liberty Wealth Management
California
$258K
PPWM
2811
Paragon Private Wealth Management
Kentucky
$258K
PAG
2812
Powers Advisory Group
Illinois
$257K
PMFA
2813
Plante Moran Financial Advisors
Michigan
$257K
WF
2814
Whelan Financial
California
$257K
BWM
2815
Baron Wealth Management
Michigan
$256K
MIA
2816
MeadowBrook Investment Advisors
Michigan
$256K
HFP
2817
Holistic Financial Partners
Indiana
$256K
PFM
2818
Patton Fund Management
Texas
$256K
BFG
2819
Birch Financial Group
New Hampshire
$256K
MFC
2820
Morris Financial Concepts
South Carolina
$256K
DBRC
2821
D.B. Root & Company
Pennsylvania
$255K
PBT
2822
Pictet Bank & Trust
Bahamas
$255K
TWM
2823
TriaGen Wealth Management
California
$255K
CA
2824
Carson Advisory
Georgia
$255K
WA
2825
Waterford Advisors
New York
$254K