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
SAM
3276
Stembrook Asset Management
New Jersey
$245K
WW
3277
Waterfront Wealth
Kansas
$245K
JDLA
3278
J. Derek Lewis & Associates
California
$244K
ACM
3279
AUA Capital Management
Pennsylvania
$244K
CP
3280
Creekside Partners
California
$244K
PCFFS
3281
Pacific Center for Financial Services
California
$244K
FFO
3282
Fortitude Family Office
Arizona
$243K
MWP
3283
Madison Wealth Partners
Wisconsin
$243K
S
3284
Sachetta
Massachusetts
$243K
OC
3285
Optima Capital
Oregon
$242K
PCM
3286
Palisade Capital Management
New Jersey
$242K
KWM
3287
KFG Wealth Management
Indiana
$242K
CWM
3288
Cabot Wealth Management
Massachusetts
$242K
CAAM
3289
Cornerstone Advisors Asset Management
Pennsylvania
$242K
SPAS
3290
Spectrum Planning & Advisory Services
California
$241K
HWA
3291
Hilltop Wealth Advisors
North Carolina
$241K
GA
3292
Gordian Advisors
Arizona
$241K
BRG
3293
Bay Rivers Group
Virginia
$241K
CIM
3294
Capital Investment Management
Missouri
$241K
PWM
3295
Partnership Wealth Management
Maryland
$241K
NG
3296
NWK Group
California
$241K
PC
3297
Prairiewood Capital
North Dakota
$241K
SMFG
3298
Sumitomo Mitsui Financial Group
Japan
$241K
AMM
3299
American Money Management
California
$240K
BWM
3300
Brown Wealth Management
Illinois
$240K