3,272 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, 1,339 increasing their positions, 1,408 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: 3,3023,272 (-30)

5% less repeat investments, than reductions

Existing positions increased: 1,339 | Existing positions reduced: 1,408

2.19% less ownership

Funds ownership: 78.17%75.99% (-2.2%)

Holders
3,272
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
RCM
276
Radnor Capital Management
Pennsylvania
$43.7M
SCTC
277
Sanibel Captiva Trust Company
Florida
$43.7M
BBVA
278
Banco Bilbao Vizcaya Argentaria
Spain
$43.5M
BA
279
Bridgewater Associates
Connecticut
$43.1M
Calamos Advisors
280
Calamos Advisors
Illinois
$42.8M
RCM
281
RNC Capital Management
California
$42.4M
AAP
282
Aristotle Atlantic Partners
Florida
$41.7M
AG
283
AIA Group
Hong Kong
$41.6M
TG
284
TCW Group
California
$41.5M
BEI
285
Benjamin Edwards Inc
Missouri
$41.5M
FDCDDQ
286
Federation des caisses Desjardins du Quebec
Quebec, Canada
$41.2M
LA
287
LBP AM
France
$40.8M
BTW
288
Boston Trust Walden
Massachusetts
$40.3M
II
289
IFM Investors
Australia
$40M
CIBC Asset Management
290
CIBC Asset Management
Ontario, Canada
$39.9M
AB
291
Amalgamated Bank
New York
$39.9M
SC
292
SRB Corp
Massachusetts
$39.7M
P
293
&Partners
Tennessee
$39.5M
Pathstone Holdings
294
Pathstone Holdings
New Jersey
$39.1M
CSS
295
Cubist Systematic Strategies
Connecticut
$38.5M
NPA
296
Nichols & Pratt Advisers
Massachusetts
$38.2M
FMLI
297
Fukoku Mutual Life Insurance
Japan
$37.6M
BMSSC
298
B. Metzler seel. Sohn & Co
Germany
$37.5M
TLP
299
Tri Locum Partners
New York
$37.5M
PA
300
Pinnacle Associates
New York
$37.2M