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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
IFG
976
Independent Financial Group
California
$5.07M
BP
977
Ballentine Partners
Massachusetts
$5.07M
PMSA
978
Patrick M. Sweeney & Associates
Illinois
$5.06M
M
979
MOTCO
Texas
$5.05M
HI
980
Harper Investing
California
$5.05M
RA
981
RFG Advisory
Alabama
$5.03M
SCP
982
Sandhill Capital Partners
New York
$5.03M
SFCL
983
Strengthening Families & Communities LLC
Massachusetts
$5.03M
Capital Fund Management (CFM)
984
Capital Fund Management (CFM)
France
$5.03M
CCM
985
Cinctive Capital Management
New York
$5.02M
EFMC
986
Empire Financial Management Company
New York
$5.01M
NIM
987
Northeast Investment Management
Massachusetts
$4.98M
MPIM
988
McGinn Penninger Investment Management
Virginia
$4.97M
BG
989
BDF Gestion
France
$4.97M
WLPWM
990
Walled Lake Planning & Wealth Management
Illinois
$4.97M
BOCM
991
Bontempo Ohly Capital Management
Maryland
$4.97M
HCM
992
Howland Capital Management
Massachusetts
$4.95M
PA
993
Profund Advisors
Maryland
$4.95M
SPC
994
Sigma Planning Corp
Michigan
$4.94M
IIM
995
Ipswich Investment Management
Massachusetts
$4.94M
GLF
996
Groupe la Francaise
France
$4.93M
SIA
997
Soltis Investment Advisors
Utah
$4.92M
AIP
998
Arrowpoint Investment Partners
Singapore
$4.91M
HCA
999
Harbor Capital Advisors
Illinois
$4.91M
AL
1000
Arnhold LLC
New York
$4.89M