3,294 hedge funds and large institutions have $160B invested in Merck in 2025 Q3 according to their latest regulatory filings, with 189 funds opening new positions, 1,347 increasing their positions, 1,421 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: 3,3143,294 (-20)

5% less repeat investments, than reductions

Existing positions increased: 1,347 | Existing positions reduced: 1,421

2.2% less ownership

Funds ownership: 78.35%76.15% (-2.2%)

Holders
3,294
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
GC
226
Guggenheim Capital
Illinois
$59.9M
ORIO
227
Old Republic International (ORI)
Illinois
$59.2M
Boston Partners
228
Boston Partners
Massachusetts
$59M
EIP
229
Epoch Investment Partners
New York
$58.2M
CLOS
230
Compagnie Lombard Odier SCmA
Switzerland
$58.2M
Nisa Investment Advisors
231
Nisa Investment Advisors
Missouri
$58M
Mirae Asset Global ETFs Holdings
232
Mirae Asset Global ETFs Holdings
Hong Kong
$57.9M
VOYA Investment Management
233
VOYA Investment Management
Georgia
$57.6M
Balyasny Asset Management
234
Balyasny Asset Management
Illinois
$57.5M
RBI
235
Raiffeisen Bank International
Austria
$55M
1832 Asset Management
236
1832 Asset Management
Ontario, Canada
$54.8M
Jane Street
237
Jane Street
New York
$54.6M
A
238
AustralianSuper
Australia
$54.4M
Holocene Advisors
239
Holocene Advisors
New York
$54.2M
Allspring Global Investments
240
Allspring Global Investments
North Carolina
$53.7M
CNB
241
Czech National Bank
Czech Republic
$53.2M
TAF
242
Tredje AP-fonden
Sweden
$53M
OIAM
243
OFI Invest Asset Management
France
$52.4M
IIM
244
INTECH Investment Management
Florida
$52.2M
QCM
245
Quantinno Capital Management
New York
$52.1M
MIM
246
MetLife Investment Management
New Jersey
$52M
HWA
247
Heritage Wealth Advisors
Virginia
$51.5M
FWIA
248
Fort Washington Investment Advisors
Ohio
$51.4M
VLKIM
249
Van Lanschot Kempen Investment Management
Netherlands
$50.9M
CAM
250
Cacti Asset Management
Georgia
$50.7M