3,289 hedge funds and large institutions have $159B invested in Merck in 2025 Q3 according to their latest regulatory filings, with 189 funds opening new positions, 1,345 increasing their positions, 1,419 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: 3,3103,289 (-21)

5% less repeat investments, than reductions

Existing positions increased: 1,345 | Existing positions reduced: 1,419

2.22% less ownership

Funds ownership: 78.27%76.04% (-2.2%)

Holders
3,289
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
SFG
2501
Seamount Financial Group
Colorado
$399K
OIA
2502
Optimum Investment Advisors
Illinois
$399K
3F
2503
360 Financial
Minnesota
$398K
RWP
2504
Revolve Wealth Partners
New Jersey
$398K
DIM
2505
DLK Investment Management
California
$397K
CIS
2506
Connors Investor Services
Pennsylvania
$397K
LCOV
2507
London Company of Virginia
Virginia
$396K
LGG
2508
Luts & Greenleigh Group
Maryland
$395K
CJ
2509
Caitlin John
Michigan
$394K
KW
2510
Keyvantage Wealth
Pennsylvania
$394K
VIM
2511
Vista Investment Management
Pennsylvania
$393K
SFG
2512
Sovereign Financial Group
Connecticut
$393K
CSA
2513
Cottage Street Advisors
Massachusetts
$392K
LK
2514
Lumbard & Kellner
New Hampshire
$392K
NCM
2515
Nelson Capital Management
California
$391K
BLAM
2516
Bourne Lent Asset Management
New York
$391K
GWAG
2517
Garrett Wealth Advisory Group
Texas
$391K
PPW
2518
Presilium Private Wealth
Pennsylvania
$390K
PAM
2519
Parvin Asset Management
South Dakota
$390K
GAM
2520
Gemmer Asset Management
California
$390K
PFG
2521
PAX Financial Group
Texas
$390K
BCG
2522
Bravias Capital Group
New Jersey
$389K
CCA
2523
Cora Capital Advisors
New Jersey
$389K
AIA
2524
AssuredPartners Investment Advisors
Florida
$389K
EIA
2525
Edgemoor Investment Advisors
Maryland
$388K