We are live on ! Find out more

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
OAM
401
OP Asset Management
$29.2M
FMI
402
Factory Mutual Insurance
Massachusetts
$29.2M
CFG
403
Citizens Financial Group
Rhode Island
$29.1M
OAC
404
OMERS Administration Corp
Ontario, Canada
$29M
AV
405
ASR Vermogensbeheer
Netherlands
$28.8M
TRSOTSOK
406
Teachers Retirement System of the State of Kentucky
Kentucky
$28.6M
SCB
407
Saudi Central Bank
Saudi Arabia
$28.5M
WTC
408
WhitTier Trust Company
Nevada
$28.5M
Rafferty Asset Management
409
Rafferty Asset Management
New York
$28.4M
MOACM
410
Mutual of America Capital Management
New York
$28M
BCM
411
Bridgeway Capital Management
Texas
$27.9M
YCM
412
Yousif Capital Management
Michigan
$27.7M
TCA
413
Transcend Capital Advisors
New Jersey
$27.5M
DC
414
Davenport & Co
Virginia
$27.5M
HCMT
415
Highland Capital Management (Tennessee)
Tennessee
$27.5M
RG
416
Rathbones Group
United Kingdom
$27.4M
SAM
417
Silvercrest Asset Management
New York
$27.3M
HI
418
Horizon Investments
North Carolina
$27.3M
VI
419
Vestcor Inc
New Brunswick, Canada
$27.2M
ECM
420
Evergreen Capital Management
Washington
$27.2M
Wealthfront Advisers
421
Wealthfront Advisers
California
$27.1M
AAIS
422
ABN AMRO Investment Solutions
$27M
WA
423
Waverly Advisors
Alabama
$27M
KPWS
424
Kestra Private Wealth Services
Texas
$27M
HNB
425
Huntington National Bank
Ohio
$27M