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, 1,345 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: 3,3103,289 (-21)

5% less repeat investments, than reductions

Existing positions increased: 1,345 | Existing positions reduced: 1,419

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
PFM
2851
Patton Fund Management
Texas
$256K
BFG
2852
Birch Financial Group
New Hampshire
$256K
MFC
2853
Morris Financial Concepts
South Carolina
$256K
DBRC
2854
D.B. Root & Company
Pennsylvania
$255K
PBT
2855
Pictet Bank & Trust
Bahamas
$255K
TWM
2856
TriaGen Wealth Management
California
$255K
CA
2857
Carson Advisory
Georgia
$255K
WA
2858
Waterford Advisors
New York
$254K
DC
2859
Diametric Capital
Massachusetts
$254K
LSWM
2860
Lorne Steinberg Wealth Management
Canada
$254K
HPM
2861
Hoxton Planning & Management
West Virginia
$253K
CCAL
2862
City Center Advisors LLC
Michigan
$253K
AIP
2863
Almanack Investment Partners
Pennsylvania
$253K
SFP
2864
Sterling Financial Planning
New Jersey
$253K
PGAM
2865
Princeton Global Asset Management
New Jersey
$252K
PWM
2866
Partners Wealth Management
California
$252K
CCAM
2867
Cascades Capital Asset Management
North Carolina
$252K
KCM
2868
KRS Capital Management
Michigan
$252K
JWM
2869
JPL Wealth Management
Colorado
$252K
GCIA
2870
Gabelli & Co Investment Advisers
New York
$252K
BCM
2871
Buckhead Capital Management
Georgia
$252K
NC
2872
North Capital
Utah
$251K
PSC
2873
Prentiss Smith & Co
Vermont
$251K
APC
2874
Aspire Private Capital
North Carolina
$250K
PCTC
2875
Perkins Coie Trust Company
Washington
$249K