3,253 hedge funds and large institutions have $159B invested in Merck in 2025 Q3 according to their latest regulatory filings, with 191 funds opening new positions, 1,331 increasing their positions, 1,399 reducing their positions, and 147 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: $ → $

5% less repeat investments, than reductions

Existing positions increased: 1,331 | Existing positions reduced: 1,399

1% less funds holding

Funds holding: 3,2963,253 (-43)

2.2% less ownership

Funds ownership: 78.07%75.87% (-2.2%)

Holders
3,253
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
IP
2451
Investment Partners
Ohio
$413K
RGC
2452
Roberts, Glore & Co
Illinois
$413K
WIM
2453
Warwick Investment Management
Texas
$412K
SIC
2454
Sigma Investment Counselors
Michigan
$411K
CPSC
2455
Carl P. Sherr & Co
Massachusetts
$411K
BAM
2456
Boyar Asset Management
New York
$411K
JCM
2457
Jacobsen Capital Management
Utah
$410K
SC
2458
Summa Corp
Texas
$410K
MIM
2459
Moseley Investment Management
Florida
$408K
HCM
2460
Hollencrest Capital Management
California
$408K
GS
2461
GWN Securities
Florida
$408K
BAM
2462
BOS Asset Management
Illinois
$407K
ACM
2463
Arcataur Capital Management
Wisconsin
$407K
SGK
2464
Steigerwald Gordon & Koch
Virginia
$406K
BF
2465
Brucke Financial
Indiana
$406K
PCMC
2466
Paragon Capital Management (Colorado)
Colorado
$405K
FGA
2467
Fortis Group Advisors
New Jersey
$405K
EHWM
2468
Eads & Heald Wealth Management
Georgia
$404K
CAM
2469
Campion Asset Management
Virginia
$404K
BRA
2470
Bender Robert & Associates
California
$404K
SR
2471
Syntax Research
Florida
$403K
CAM
2472
Clark Asset Management
New Hampshire
$403K
EMB
2473
Elefante Mark B
$403K
CCIA
2474
Campbell & Co Investment Adviser
Maryland
$402K
CFA
2475
Cahill Financial Advisors
Minnesota
$402K