3,244 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, 1,326 increasing their positions, 1,396 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: 1,326 | Existing positions reduced: 1,396

1% less funds holding

Funds holding: 3,2933,244 (-49)

2.24% less ownership

Funds ownership: 78.03%75.78% (-2.2%)

Holders
3,244
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
RMA
451
Roffman Miller Associates
Pennsylvania
$17.8M
Wealthfront Advisers
452
Wealthfront Advisers
California
$17.7M
EDRH
453
Edmond de Rothschild Holding
Switzerland
$17.6M
Loomis, Sayles & Company
454
Loomis, Sayles & Company
Massachusetts
$17.6M
DT
455
Diversified Trust
Tennessee
$17.4M
SDIC
456
South Dakota Investment Council
South Dakota
$17.4M
GAI
457
General American Investors
New York
$17.1M
TH
458
TCTC Holdings
Texas
$17M
FNT
459
First National Trust
Pennsylvania
$16.9M
CSP
460
Cary Street Partners
Virginia
$16.9M
IIM
461
Intact Investment Management
Quebec, Canada
$16.8M
SCP
462
Stamos Capital Partners
California
$16.8M
TRSOTSOK
463
Teachers Retirement System of the State of Kentucky
Kentucky
$16.6M
PR
464
Payden & Rygel
California
$16.6M
AUB
465
Atlantic Union Bankshares
Virginia
$16.4M
BC
466
Bruce & Co
Illinois
$16.2M
PJWM
467
Philip James Wealth Mangement
Georgia
$16.1M
SIC
468
Salem Investment Counselors
North Carolina
$16.1M
HPC
469
HM Payson & Co
Maine
$16M
FRM
470
Foundation Resource Management
Arkansas
$16M
SWP
471
Stratos Wealth Partners
Ohio
$16M
UAS
472
United Asset Strategies
New York
$16M
FFM
473
Fisher Funds Management
New Zealand
$16M
AAIS
474
ABN AMRO Investment Solutions
$15.9M
SCM
475
Shelton Capital Management
Colorado
$15.8M