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
WorldQuant Millennium Advisors
3276
WorldQuant Millennium Advisors
New York
TI
3277
Trexquant Investment
Connecticut
TPSF
3278
Texas Permanent School Fund
Texas
Renaissance Technologies
3279
Renaissance Technologies
New York
MASUI
3280
MIRAE ASSET SECURITIES (USA) INC.
New York
YIH
3281
Y-Intercept (HK)
Hong Kong
LOAME
3282
Lombard Odier Asset Management (Europe)
United Kingdom
SGA
3283
Strategic Global Advisors
California
AFA
3284
Abacus FCF Advisors
Florida
QC
3285
Quantessence Capital
New York
BIMC
3286
Benson Investment Management Company
Virginia
ACM
3287
Aster Capital Management
United Arab Emirates
MHS
3288
M Holdings Securities
Oregon
MCM
3289
Moore Capital Management
New York
GC
3290
Globeflex Capital
California
NNPTE
3291
Nationale-Nederlanden Powszechne Towarzystwo Emerytalne
Poland
QCM
3292
Qsemble Capital Management
New York
GIM
3293
Guild Investment Management
California
CAS
3294
CTC Alternative Strategies
Illinois
DGM
3295
Delta Global Management
New York
FIM
3296
Freedom Investment Management
Connecticut
LCM
3297
Laurion Capital Management
New York
VT
3298
Volterra Technologies
New York
M1FG
3299
Mach-1 Financial Group
Arkansas
DP
3300
Diadema Partners
New Jersey