3,274 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, 1,411 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: 3,3023,274 (-28)

5% less repeat investments, than reductions

Existing positions increased: 1,338 | Existing positions reduced: 1,411

2.14% less ownership

Funds ownership: 78.17%76.03% (-2.1%)

Holders
3,274
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
BPWM
2451
BCS Private Wealth Management
New Jersey
$417K
CPBTD
2452
Central Pacific Bank - Trust Division
Hawaii
$417K
ICA
2453
Infrastructure Capital Advisors
New York
$416K
SAM
2454
S.A. Mason
Michigan
$416K
GIM
2455
Groesbeck Investment Management
New Jersey
$416K
ORC
2456
O'Rourke & Company
Massachusetts
$416K
BDF
2457
Black Diamond Financial
Maryland
$416K
NPFS
2458
Novak & Powell Financial Services
Florida
$414K
CPRC
2459
Consolidated Portfolio Review Corp
New York
$413K
MC
2460
Mathes Company
New York
$413K
PAW
2461
Plan A Wealth
Nebraska
$413K
IP
2462
Investment Partners
Ohio
$413K
RGC
2463
Roberts, Glore & Co
Illinois
$413K
WIM
2464
Warwick Investment Management
Texas
$412K
SIC
2465
Sigma Investment Counselors
Michigan
$411K
CPSC
2466
Carl P. Sherr & Co
Massachusetts
$411K
BAM
2467
Boyar Asset Management
New York
$411K
JCM
2468
Jacobsen Capital Management
Utah
$410K
SC
2469
Summa Corp
Texas
$410K
MIM
2470
Moseley Investment Management
Florida
$408K
HCM
2471
Hollencrest Capital Management
California
$408K
GS
2472
GWN Securities
Florida
$408K
BAM
2473
BOS Asset Management
Illinois
$407K
ACM
2474
Arcataur Capital Management
Wisconsin
$407K
SGK
2475
Steigerwald Gordon & Koch
Virginia
$406K