3,728 hedge funds and large institutions have $233B invested in Merck in 2026 Q1 according to their latest regulatory filings, with 309 funds opening new positions, 1,433 increasing their positions, 1,561 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 funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

3% more funds holding

Funds holding: 3,6343,728 (+94)

8% less repeat investments, than reductions

Existing positions increased: 1,433 | Existing positions reduced: 1,561

1.51% less ownership

Funds ownership: 79.45%77.94% (-1.5%)

Holders
3,728
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
87
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
CA
3401
Crane Advisory
California
$216K
PSP
3402
Pacific Sage Partners
Washington
$216K
SDJVC
3403
St. Denis J. Villere & Co
Louisiana
$216K
FC
3404
Fusion Capital
South Carolina
$215K
VWM
3405
Vigilare Wealth Management
Arizona
$215K
MAS
3406
MPWM Advisory Solutions
Georgia
$215K
FPW
3407
Flywheel Private Wealth
California
$215K
ILI
3408
Invesco LLC (Illinois)
Illinois
$214K
FL
3409
FreeGulliver LLC
Louisiana
$214K
ML
3410
Mayport LLC
Massachusetts
$213K
CIG
3411
Cascade Investment Group
Colorado
$213K
RIA
3412
Retirement Investment Advisors
Oklahoma
$213K
VR
3413
Vision Retirement
New Jersey
$213K
SFB
3414
STAR Financial Bank
Indiana
$212K
IF
3415
IRON Financial
Illinois
$211K
AWM
3416
Able Wealth Management
New Jersey
$211K
EWA
3417
Emergent Wealth Advisors
New York
$211K
LCA
3418
Legend Capital Advisors
New York
$211K
IW
3419
Instrumental Wealth
Florida
$210K
NF
3420
Nvest Financial
New Hampshire
$209K
NCM
3421
Next Capital Management
New York
$209K
PCM
3422
Penserra Capital Management
California
$209K
TSS
3423
Two Sigma Securities
New York
$209K
SPI
3424
Strategic Planning Inc
Ohio
$209K
SF
3425
Slagle Financial
Illinois
$208K