3,273 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, 1,338 increasing their positions, 1,410 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: 3,3023,273 (-29)

5% less repeat investments, than reductions

Existing positions increased: 1,338 | Existing positions reduced: 1,410

2.19% less ownership

Funds ownership: 78.17%75.98% (-2.2%)

Holders
3,273
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
PCMC
2476
Paragon Capital Management (Colorado)
Colorado
$405K
FGA
2477
Fortis Group Advisors
New Jersey
$405K
EHWM
2478
Eads & Heald Wealth Management
Georgia
$404K
CAM
2479
Campion Asset Management
Virginia
$404K
BRA
2480
Bender Robert & Associates
California
$404K
SR
2481
Syntax Research
Florida
$403K
CAM
2482
Clark Asset Management
New Hampshire
$403K
EMB
2483
Elefante Mark B
$403K
CCIA
2484
Campbell & Co Investment Adviser
Maryland
$402K
CFA
2485
Cahill Financial Advisors
Minnesota
$402K
HWA
2486
HCR Wealth Advisors
California
$402K
MIC
2487
Meridian Investment Counsel
California
$401K
WCM
2488
Wedge Capital Management
North Carolina
$401K
TWP
2489
Triad Wealth Partners
Kansas
$400K
SCM
2490
SOL Capital Management
Maryland
$400K
APW
2491
Acima Private Wealth
Virginia
$400K
SFG
2492
Seamount Financial Group
Colorado
$399K
OIA
2493
Optimum Investment Advisors
Illinois
$399K
3F
2494
360 Financial
Minnesota
$398K
RWP
2495
Revolve Wealth Partners
New Jersey
$398K
DIM
2496
DLK Investment Management
California
$397K
CIS
2497
Connors Investor Services
Pennsylvania
$397K
LCOV
2498
London Company of Virginia
Virginia
$396K
LGG
2499
Luts & Greenleigh Group
Maryland
$395K
CJ
2500
Caitlin John
Michigan
$394K