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