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
MAM
1351
Morse Asset Management
Connecticut
$1.91M
CA
1352
CSM Advisors
Pennsylvania
$1.91M
BFA
1353
Beaumont Financial Advisors
Massachusetts
$1.91M
CWM
1354
Cornerstone Wealth Management
Missouri
$1.91M
HP
1355
Hikari Power
Japan
$1.91M
FFM
1356
Forum Financial Management
Illinois
$1.91M
Walleye Capital
1357
Walleye Capital
New York
$1.9M
ZF
1358
Zhang Financial
Michigan
$1.9M
DWMS
1359
Dominguez Wealth Management Solutions
Virginia
$1.9M
OPTFSNA
1360
Old Point Trust & Financial Services N A
Virginia
$1.9M
IA
1361
IAM Advisory
Pennsylvania
$1.9M
CIP
1362
Convergence Investment Partners
Florida
$1.89M
3IP
1363
3Chopt Investment Partners
Virginia
$1.89M
RI
1364
Ridgewood Investments
New Jersey
$1.88M
BHBT
1365
Burke & Herbert Bank & Trust
Virginia
$1.88M
BCCM
1366
Bridge Creek Capital Management
Massachusetts
$1.88M
GWP
1367
Gen-Wealth Partners
Michigan
$1.87M
CAAS
1368
Capital Asset Advisory Services
Michigan
$1.87M
CCM
1369
Campbell Capital Management
Florida
$1.87M
NAM
1370
NTV Asset Management
West Virginia
$1.86M
MWM
1371
Massachusetts Wealth Management
Massachusetts
$1.86M
LBC
1372
Leigh Baldwin & Co
New York
$1.86M
NP
1373
Nilsine Partners
Colorado
$1.86M
PRP
1374
Peak Retirement Planning
Ohio
$1.86M
EC
1375
Enhancing Capital
Pennsylvania
$1.85M