3,244 hedge funds and large institutions have $159B invested in Merck in 2025 Q3 according to their latest regulatory filings, with 191 funds opening new positions, 1,326 increasing their positions, 1,396 reducing their positions, and 147 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: $ → $

5% less repeat investments, than reductions

Existing positions increased: 1,326 | Existing positions reduced: 1,396

1% less funds holding

Funds holding: 3,2933,244 (-49)

2.24% less ownership

Funds ownership: 78.03%75.78% (-2.2%)

Holders
3,244
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 -$863M
2 -$579M
3 -$452M
4
BlackRock
BlackRock
New York
-$291M
5
Goldman Sachs
Goldman Sachs
New York
-$283M
Name Holding Trade Value Shares
Change
Change in
Stake
SCA
526
Stonebridge Capital Advisors
Minnesota
$12.8M
Nomura Holdings
527
Nomura Holdings
Japan
$12.7M
WTB
528
Washington Trust Bank
Washington
$12.6M
CS
529
Central Securities
New York
$12.6M
O
530
Ossiam
France
$12.6M
OCM
531
One Capital Management
California
$12.4M
SW
532
SteelPeak Wealth
California
$12.4M
TIAA Trust, National Association
533
TIAA Trust, National Association
North Carolina
$12.4M
BFA
534
Bragg Financial Advisors
North Carolina
$12.4M
NB
535
Norinchukin Bank
Japan
$12.3M
CFIA
536
Cantor Fitzgerald Investment Advisors
New York
$12.3M
RGC
537
Redwood Grove Capital
California
$12.3M
HIMCH
538
Hartford Investment Management Co (HIMCO)
Connecticut
$12.3M
CC
539
Centiva Capital
New York
$12.2M
SC
540
Saturna Capital
Washington
$12.2M
MA
541
Montag & Associates
Georgia
$12.2M
Impax Asset Management Group
542
Impax Asset Management Group
United Kingdom
$12.1M
First Manhattan
543
First Manhattan
New York
$12.1M
MC
544
Middleton & Co
Massachusetts
$12M
MGP
545
Metis Global Partners
California
$12M
LOAMS
546
Lombard Odier Asset Management (Switzerland)
Switzerland
$11.9M
CA
547
Cornerstone Advisors
North Carolina
$11.9M
BRCM
548
Bright Rock Capital Management
Massachusetts
$11.9M
LMIM
549
Lockheed Martin Investment Management
Maryland
$11.9M
MFG
550
Merit Financial Group
Georgia
$11.8M