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
G
2426
GenTrust
Florida
$424K
EW
2427
Element Wealth
Mississippi
$423K
CA
2428
CWC Advisors
Oregon
$422K
LCM
2429
Lazari Capital Management
California
$421K
BFIC
2430
Bedell Frazier Investment Counselling
California
$421K
MHC
2431
May Hill Capital
Massachusetts
$421K
MCA
2432
Magnolia Capital Advisors
Mississippi
$420K
VCM
2433
Vivaldi Capital Management
Illinois
$420K
MHR
2434
Matthew Hamilton Rosenberg
$419K
LWM
2435
Lyell Wealth Management
California
$418K
MAM
2436
MWA Asset Management
Massachusetts
$418K
LWANC
2437
Laurel Wealth Advisors (North Carolina)
North Carolina
$418K
CSPIA
2438
Cary Street Partners Investment Advisory
Virginia
$418K
WP
2439
Westmount Partners
California
$418K
BPWM
2440
BCS Private Wealth Management
New Jersey
$417K
CPBTD
2441
Central Pacific Bank - Trust Division
Hawaii
$417K
ICA
2442
Infrastructure Capital Advisors
New York
$416K
SAM
2443
S.A. Mason
Michigan
$416K
GIM
2444
Groesbeck Investment Management
New Jersey
$416K
ORC
2445
O'Rourke & Company
Massachusetts
$416K
BDF
2446
Black Diamond Financial
Maryland
$416K
NPFS
2447
Novak & Powell Financial Services
Florida
$414K
CPRC
2448
Consolidated Portfolio Review Corp
New York
$413K
MC
2449
Mathes Company
New York
$413K
PAW
2450
Plan A Wealth
Nebraska
$413K