3,273 hedge funds and large institutions have $159B invested in Merck in 2025 Q3 according to their latest regulatory filings, with 190 funds opening new positions, 1,338 increasing their positions, 1,410 reducing their positions, and 150 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: $ → $

1% less funds holding

Funds holding: 3,3023,273 (-29)

5% less repeat investments, than reductions

Existing positions increased: 1,338 | Existing positions reduced: 1,410

2.19% less ownership

Funds ownership: 78.17%75.98% (-2.2%)

Holders
3,273
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
ZIG
1326
Zuckerman Investment Group
Illinois
$1.99M
AIC
1327
Archer Investment Corporation
Indiana
$1.99M
EFMC
1328
Empire Financial Management Company
New York
$1.99M
BFA
1329
Brendel Financial Advisors
New Hampshire
$1.99M
MMPW
1330
Mitchell McLeod Pugh & Williams
Alabama
$1.98M
SMC
1331
Smith, Moore & Co
Missouri
$1.98M
EI
1332
Ellevest Inc
New York
$1.98M
WPC
1333
Wedmont Private Capital
Pennsylvania
$1.98M
AA
1334
Ancora Advisors
Ohio
$1.98M
SWA
1335
Stratos Wealth Advisors
Ohio
$1.98M
SLI
1336
Sumitomo Life Insurance
Japan
$1.97M
BCM
1337
Birmingham Capital Management
Alabama
$1.97M
NG
1338
Northstar Group
New York
$1.97M
BT
1339
Banque Transatlantique
France
$1.96M
IB
1340
Intrust Bank
Kansas
$1.96M
FAM
1341
Fulcrum Asset Management
United Kingdom
$1.96M
EWA
1342
Exencial Wealth Advisors
Oklahoma
$1.96M
MCWS
1343
McKinley Carter Wealth Services
West Virginia
$1.96M
BOPW
1344
Brandywine Oak Private Wealth
Pennsylvania
$1.96M
MG
1345
Marex Group
$1.95M
RMCM
1346
Reynders McVeigh Capital Management
Massachusetts
$1.95M
RIG
1347
RiverFront Investment Group
Virginia
$1.94M
SCA
1348
Sippican Capital Advisors
Massachusetts
$1.94M
CCA
1349
Checchi Capital Advisers
California
$1.94M
FBC
1350
Fairfield, Bush & Co
Connecticut
$1.94M