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3,648 hedge funds and large institutions have $207B invested in Merck in 2025 Q4 according to their latest regulatory filings, with 544 funds opening new positions, 1,372 increasing their positions, 1,398 reducing their positions, and 131 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: $ → $

10% more funds holding

Funds holding: 3,3073,648 (+341)

2.9% more ownership

Funds ownership: 76.23%79.13% (+2.9%)

2% less repeat investments, than reductions

Existing positions increased: 1,372 | Existing positions reduced: 1,398

Holders
3,648
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
$3.76B
Puts
$2.62B
Net Calls
Net Calls Change

Top Buyers

1 +$1.05B
2 +$696M
3 +$567M
4
Citadel Advisors
Citadel Advisors
Florida
+$549M
5
Jennison Associates
Jennison Associates
New York
+$522M
Name Holding Trade Value Shares
Change
Change in
Stake
VFM
676
Viking Fund Management
North Dakota
$10.5M
ALMGDA
677
AG2R La Mondiale Gestion d'Actifs
France
$10.5M
IAA
678
Independent Advisor Alliance
North Carolina
$10.4M
AG
679
Advocate Group
Minnesota
$10.4M
CIA
680
Choate Investment Advisors
Massachusetts
$10.4M
ECM
681
Estabrook Capital Management
New York
$10.3M
MC
682
Moors & Cabot
Massachusetts
$10.3M
BMO
683
Beck Mack & Oliver
New York
$10.3M
FFA
684
Farther Finance Advisors
California
$10.3M
MKA
685
M. Kulyk & Associates
Georgia
$10.3M
TAM
686
Trillium Asset Management
Massachusetts
$10.2M
AG
687
Algert Global
California
$10.2M
CCMINC
688
Cardinal Capital Management Inc (North Carolina)
North Carolina
$10.2M
FSA
689
Fort Sheridan Advisors
Illinois
$10.2M
KA
690
Kintegral Advisory
New York
$10.2M
SGC
691
Slocum, Gordon & Co
Rhode Island
$10.1M
MIM
692
Marco Investment Management
Georgia
$10.1M
1SB
693
1ST Source Bank
Indiana
$10M
IWA
694
IBEX Wealth Advisors
New Jersey
$9.99M
EAM
695
EdenTree Asset Management
United Kingdom
$9.93M
RWA
696
River Wealth Advisors
Pennsylvania
$9.88M
LMIM
697
Lockheed Martin Investment Management
Maryland
$9.87M
HA
698
Hamel Associates
New Jersey
$9.8M
EWM
699
Evercore Wealth Management
New York
$9.8M
LA
700
Lynch & Associates
Indiana
$9.78M