3,726 hedge funds and large institutions have $233B invested in Merck in 2026 Q1 according to their latest regulatory filings, with 310 funds opening new positions, 1,431 increasing their positions, 1,560 reducing their positions, and 123 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 capital invested

Capital invested by funds: $ → $

more funds holding in top 10

Funds holding in top 10:

3% more funds holding

Funds holding: 3,6343,726 (+92)

8% less repeat investments, than reductions

Existing positions increased: 1,431 | Existing positions reduced: 1,560

1.55% less ownership

Funds ownership: 79.45%77.9% (-1.5%)

Holders
3,726
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
86
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$3.43B
Puts
$2.78B
Net Calls
Net Calls Change

Top Sellers

1 -$997M
2 -$809M
3 -$605M
4
Corient Private Wealth
Corient Private Wealth
Florida
-$602M
5
Millennium Management
Millennium Management
New York
-$558M
Name Holding Trade Value Shares
Change
Change in
Stake
VGA
51
Vanguard Global Advisers
Pennsylvania
$672M
American Century Companies
52
American Century Companies
Missouri
$667M
DekaBank Deutsche Girozentrale
53
DekaBank Deutsche Girozentrale
Germany
$652M
VOYA Investment Management
54
VOYA Investment Management
Georgia
$621M
LSV Asset Management
55
LSV Asset Management
Illinois
$612M
VAM
56
Vanguard Asset Management
$602M
Bank of Montreal
57
Bank of Montreal
Ontario, Canada
$581M
Principal Financial Group
58
Principal Financial Group
Iowa
$567M
Aberdeen Group
59
Aberdeen Group
United Kingdom
$561M
CWP
60
Capital Wealth Planning
Florida
$543M
First Trust Advisors
61
First Trust Advisors
Illinois
$537M
Acadian Asset Management
62
Acadian Asset Management
Massachusetts
$505M
Allianz Asset Management
63
Allianz Asset Management
Germany
$477M
Envestnet Asset Management
64
Envestnet Asset Management
Illinois
$463M
California State Teachers Retirement System (CalSTRS)
65
California State Teachers Retirement System (CalSTRS)
California
$461M
Citadel Advisors
66
Citadel Advisors
Florida
$460M
Caisse de Depot et Placement du Quebec (CDPQ)
67
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$457M
RhumbLine Advisers
68
RhumbLine Advisers
Massachusetts
$457M
Victory Capital Management
69
Victory Capital Management
Texas
$456M
LPL Financial
70
LPL Financial
California
$455M
TIM
71
Thornburg Investment Management
New Mexico
$449M
Bank Julius Baer & Co
72
Bank Julius Baer & Co
Switzerland
$443M
HighTower Advisors
73
HighTower Advisors
Illinois
$437M
Canada Pension Plan Investment Board
74
Canada Pension Plan Investment Board
Ontario, Canada
$435M
New York State Common Retirement Fund
75
New York State Common Retirement Fund
New York
$423M