3,289 hedge funds and large institutions have $159B invested in Merck in 2025 Q3 according to their latest regulatory filings, with 189 funds opening new positions, 1,344 increasing their positions, 1,420 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: 3,3103,289 (-21)

5% less repeat investments, than reductions

Existing positions increased: 1,344 | Existing positions reduced: 1,420

2.22% less ownership

Funds ownership: 78.27%76.04% (-2.2%)

Holders
3,289
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 -$847M
2 -$568M
3 -$443M
4
BlackRock
BlackRock
New York
-$285M
5
Goldman Sachs
Goldman Sachs
New York
-$278M
Name Holding Trade Value Shares
Change
Change in
Stake
RMCM
1351
Reynders McVeigh Capital Management
Massachusetts
$1.95M
RIG
1352
RiverFront Investment Group
Virginia
$1.94M
SCA
1353
Sippican Capital Advisors
Massachusetts
$1.94M
CCA
1354
Checchi Capital Advisers
California
$1.94M
FBC
1355
Fairfield, Bush & Co
Connecticut
$1.94M
PMG
1356
Private Management Group
California
$1.93M
SCM
1357
SCS Capital Management
Massachusetts
$1.93M
BMWM
1358
Brown Miller Wealth Management
Virginia
$1.93M
SGCA
1359
Steel Grove Capital Advisors
Tennessee
$1.93M
AG
1360
AlTi Global
New York
$1.93M
FPB
1361
First PREMIER Bank
South Dakota
$1.93M
MCM
1362
MV Capital Management
Maryland
$1.93M
GFA
1363
Gifford Fong Associates
California
$1.92M
MA
1364
MJP Associates
Connecticut
$1.92M
LCGC
1365
Legacy Capital Group California
California
$1.91M
TCM
1366
Traynor Capital Management
Pennsylvania
$1.91M
MIA
1367
MMBG Investment Advisors
Florida
$1.91M
PFSC
1368
Peoples Financial Services Corp
Pennsylvania
$1.91M
MAM
1369
Morse Asset Management
Connecticut
$1.91M
CA
1370
CSM Advisors
Pennsylvania
$1.91M
BFA
1371
Beaumont Financial Advisors
Massachusetts
$1.91M
CWM
1372
Cornerstone Wealth Management
Missouri
$1.91M
HP
1373
Hikari Power
Japan
$1.91M
FFM
1374
Forum Financial Management
Illinois
$1.91M
Walleye Capital
1375
Walleye Capital
New York
$1.9M