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
KFC
426
Klingenstein Fields & Co
New York
$19.5M
EAM
427
Erste Asset Management
Austria
$19.4M
DP
428
Dearborn Partners
Illinois
$19.2M
CPSAC
429
Chas P. Smith & Associates (CPS)
Florida
$19.2M
BCP
430
Blue Chip Partners
Michigan
$19.2M
GGI
431
Godsey & Gibb Inc
Virginia
$19.1M
HWM
432
HB Wealth Management
Georgia
$19M
SC
433
Savant Capital
Illinois
$19M
CFB
434
Cullen/Frost Bankers
Texas
$18.9M
ISL
435
Ingalls & Snyder LLC
New York
$18.9M
EB
436
Eastern Bank
Massachusetts
$18.8M
NPF
437
Norris Perne & French
Michigan
$18.8M
JFG
438
Jefferies Financial Group
New York
$18.7M
VIM
439
Vinva Investment Management
Australia
$18.6M
EHC
440
Everett Harris & Co
California
$18.6M
AP
441
Americana Partners
Texas
$18.5M
RAM
442
RWC Asset Management
United Kingdom
$18.4M
SCM
443
Suvretta Capital Management
New York
$18.4M
SC
444
Scotia Capital
Ontario, Canada
$18.3M
KWM
445
Kingsview Wealth Management
Oregon
$18.2M
SFM
446
Stack Financial Management
Montana
$18.2M
BBHC
447
Brown Brothers Harriman & Co
New York
$18.1M
MWM
448
Moran Wealth Management
Florida
$18M
FLPIM
449
F.L. Putnam Investment Management
Massachusetts
$18M
AA
450
ALPS Advisors
Colorado
$17.9M