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
MASUI
3301
MIRAE ASSET SECURITIES (USA) INC.
New York
YIH
3302
Y-Intercept (HK)
Hong Kong
LOAME
3303
Lombard Odier Asset Management (Europe)
United Kingdom
SGA
3304
Strategic Global Advisors
California
AFA
3305
Abacus FCF Advisors
Florida
QC
3306
Quantessence Capital
New York
BIMC
3307
Benson Investment Management Company
Virginia
ACM
3308
Aster Capital Management
United Arab Emirates
MHS
3309
M Holdings Securities
Oregon
MCM
3310
Moore Capital Management
New York
GC
3311
Globeflex Capital
California
NNPTE
3312
Nationale-Nederlanden Powszechne Towarzystwo Emerytalne
Poland
QCM
3313
Qsemble Capital Management
New York
GIM
3314
Guild Investment Management
California
CAS
3315
CTC Alternative Strategies
Illinois
DGM
3316
Delta Global Management
New York
FIM
3317
Freedom Investment Management
Connecticut
LCM
3318
Laurion Capital Management
New York
VT
3319
Volterra Technologies
New York
M1FG
3320
Mach-1 Financial Group
Arkansas
DP
3321
Diadema Partners
New Jersey
FC
3322
FORA Capital
Florida
OTPPB
3323
Ontario Teachers' Pension Plan Board
Ontario, Canada
BPAMU
3324
BTG Pactual Asset Management US
New York
FRM
3325
Fox Run Management
Connecticut