3,272 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, 1,339 increasing their positions, 1,408 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: 3,3023,272 (-30)

5% less repeat investments, than reductions

Existing positions increased: 1,339 | Existing positions reduced: 1,408

2.19% less ownership

Funds ownership: 78.17%75.99% (-2.2%)

Holders
3,272
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
BMCM
426
Bryn Mawr Capital Management
Pennsylvania
$20.4M
DRZID
427
DePrince Race & Zollo Inc (DRZ)
Florida
$20.2M
WSFS
428
Wilmington Savings Fund Society
Delaware
$20.1M
HA
429
Homestead Advisers
Virginia
$20.1M
PHS
430
PFM Health Sciences
California
$19.8M
KFC
431
Klingenstein Fields & Co
New York
$19.5M
EAM
432
Erste Asset Management
Austria
$19.4M
DP
433
Dearborn Partners
Illinois
$19.2M
CPSAC
434
Chas P. Smith & Associates (CPS)
Florida
$19.2M
BCP
435
Blue Chip Partners
Michigan
$19.2M
GGI
436
Godsey & Gibb Inc
Virginia
$19.1M
HWM
437
HB Wealth Management
Georgia
$19M
SC
438
Savant Capital
Illinois
$19M
CFB
439
Cullen/Frost Bankers
Texas
$18.9M
ISL
440
Ingalls & Snyder LLC
New York
$18.9M
EB
441
Eastern Bank
Massachusetts
$18.8M
NPF
442
Norris Perne & French
Michigan
$18.8M
JFG
443
Jefferies Financial Group
New York
$18.7M
VIM
444
Vinva Investment Management
Australia
$18.6M
EHC
445
Everett Harris & Co
California
$18.6M
AP
446
Americana Partners
Texas
$18.5M
RAM
447
RWC Asset Management
United Kingdom
$18.4M
SCM
448
Suvretta Capital Management
New York
$18.4M
SC
449
Scotia Capital
Ontario, Canada
$18.3M
KWM
450
Kingsview Wealth Management
Oregon
$18.2M