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3,648 hedge funds and large institutions have $207B invested in Merck in 2025 Q4 according to their latest regulatory filings, with 544 funds opening new positions, 1,372 increasing their positions, 1,398 reducing their positions, and 131 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more capital invested

Capital invested by funds: $ → $

10% more funds holding

Funds holding: 3,3073,648 (+341)

2.9% more ownership

Funds ownership: 76.23%79.13% (+2.9%)

2% less repeat investments, than reductions

Existing positions increased: 1,372 | Existing positions reduced: 1,398

Holders
3,648
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
77
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$3.76B
Puts
$2.62B
Net Calls
Net Calls Change

Top Buyers

1 +$1.05B
2 +$696M
3 +$567M
4
Citadel Advisors
Citadel Advisors
Florida
+$549M
5
Jennison Associates
Jennison Associates
New York
+$522M
Name Holding Trade Value Shares
Change
Change in
Stake
Mirae Asset Global ETFs Holdings
376
Mirae Asset Global ETFs Holdings
Hong Kong
$32.3M
SFA
377
Sequoia Financial Advisors
Ohio
$32.2M
TI
378
Tidal Investments
Wisconsin
$32.1M
EMPI
379
Elo Mutual Pension Insurance
Finland
$32.1M
GF
380
Gabelli Funds
New York
$32M
HCMG
381
Howard Capital Management Group
California
$31.9M
TSW
382
Thompson Siegel & Walmsley
Virginia
$31.8M
SPIA
383
Steward Partners Investment Advisory
New York
$31.6M
QPBE
384
Quintet Private Bank (Europe)
Luxembourg
$31.5M
AIM
385
ARGA Investment Management
Connecticut
$31.3M
GKIM
386
GW&K Investment Management
Massachusetts
$31.1M
AAP
387
Arax Advisory Partners
Colorado
$30.9M
KAS
388
Kestra Advisory Services
Texas
$30.7M
BPA
389
Beacon Pointe Advisors
California
$30.6M
IMCOOI
390
Investment Management Corp of Ontario (IMCO)
Canada
$30.5M
AF
391
Avanza Fonder
Sweden
$30.5M
WB
392
WesBanco Bank
West Virginia
$30.5M
BFS
393
Bradley Foster & Sargent
Connecticut
$30.4M
BCM
394
Becker Capital Management
Oregon
$30.3M
PAG
395
Private Advisor Group
New Jersey
$30M
OPERF
396
Oregon Public Employees Retirement Fund
Oregon
$29.9M
TWC
397
TD Waterhouse Canada
Ontario, Canada
$29.8M
SCM
398
Shelton Capital Management
Colorado
$29.4M
HTC
399
Haverford Trust Company
Pennsylvania
$29.4M
TIAA Trust, National Association
400
TIAA Trust, National Association
North Carolina
$29.3M