3,584 hedge funds and large institutions have $207B invested in Merck in 2025 Q4 according to their latest regulatory filings, with 508 funds opening new positions, 1,362 increasing their positions, 1,384 reducing their positions, and 129 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more capital invested

Capital invested by funds: $ → $

9% more funds holding

Funds holding: 3,2893,584 (+295)

3.3% more ownership

Funds ownership: 76.04%79.34% (+3.3%)

2% less repeat investments, than reductions

Existing positions increased: 1,362 | Existing positions reduced: 1,384

Holders
3,584
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
77
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$3.75B
Puts
$2.61B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
CIA
676
Choate Investment Advisors
Massachusetts
$10.4M
ECM
677
Estabrook Capital Management
New York
$10.3M
MC
678
Moors & Cabot
Massachusetts
$10.3M
BMO
679
Beck Mack & Oliver
New York
$10.3M
FFA
680
Farther Finance Advisors
California
$10.3M
MKA
681
M. Kulyk & Associates
Georgia
$10.3M
TAM
682
Trillium Asset Management
Massachusetts
$10.2M
AG
683
Algert Global
California
$10.2M
CCMINC
684
Cardinal Capital Management Inc (North Carolina)
North Carolina
$10.2M
FSA
685
Fort Sheridan Advisors
Illinois
$10.2M
KA
686
Kintegral Advisory
New York
$10.2M
SGC
687
Slocum, Gordon & Co
Rhode Island
$10.1M
MIM
688
Marco Investment Management
Georgia
$10.1M
1SB
689
1ST Source Bank
Indiana
$10M
IWA
690
IBEX Wealth Advisors
New Jersey
$9.99M
EAM
691
EdenTree Asset Management
United Kingdom
$9.93M
RWA
692
River Wealth Advisors
Pennsylvania
$9.88M
LMIM
693
Lockheed Martin Investment Management
Maryland
$9.87M
HA
694
Hamel Associates
New Jersey
$9.8M
EWM
695
Evercore Wealth Management
New York
$9.8M
LA
696
Lynch & Associates
Indiana
$9.78M
RSWM
697
Robertson Stephens Wealth Management
California
$9.78M
Envestnet Portfolio Solutions
698
Envestnet Portfolio Solutions
Illinois
$9.76M
LBC
699
Lowe Brockenbrough & Co
Virginia
$9.71M
LG
700
LaFleur & Godfrey
Michigan
$9.71M