3,294 hedge funds and large institutions have $160B invested in Merck in 2025 Q3 according to their latest regulatory filings, with 189 funds opening new positions, 1,347 increasing their positions, 1,421 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: 3,3143,294 (-20)

5% less repeat investments, than reductions

Existing positions increased: 1,347 | Existing positions reduced: 1,421

2.2% less ownership

Funds ownership: 78.35%76.15% (-2.2%)

Holders
3,294
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 -$847M
2 -$568M
3 -$443M
4
BlackRock
BlackRock
New York
-$285M
5
Goldman Sachs
Goldman Sachs
New York
-$278M
Name Holding Trade Value Shares
Change
Change in
Stake
BCAM
426
Boston Common Asset Management
Massachusetts
$20.8M
CAM
427
Cresset Asset Management
Illinois
$20.7M
NAM
428
NorthCrest Asset Manangement
Minnesota
$20.6M
BMCM
429
Bryn Mawr Capital Management
Pennsylvania
$20.4M
DRZID
430
DePrince Race & Zollo Inc (DRZ)
Florida
$20.2M
WSFS
431
Wilmington Savings Fund Society
Delaware
$20.1M
HA
432
Homestead Advisers
Virginia
$20.1M
PHS
433
PFM Health Sciences
California
$19.8M
KFC
434
Klingenstein Fields & Co
New York
$19.5M
EAM
435
Erste Asset Management
Austria
$19.4M
DP
436
Dearborn Partners
Illinois
$19.2M
CPSAC
437
Chas P. Smith & Associates (CPS)
Florida
$19.2M
BCP
438
Blue Chip Partners
Michigan
$19.2M
GGI
439
Godsey & Gibb Inc
Virginia
$19.1M
HWM
440
HB Wealth Management
Georgia
$19M
CFB
441
Cullen/Frost Bankers
Texas
$18.9M
ISL
442
Ingalls & Snyder LLC
New York
$18.9M
EB
443
Eastern Bank
Massachusetts
$18.8M
NPF
444
Norris Perne & French
Michigan
$18.8M
JFG
445
Jefferies Financial Group
New York
$18.7M
VIM
446
Vinva Investment Management
Australia
$18.6M
EHC
447
Everett Harris & Co
California
$18.6M
AP
448
Americana Partners
Texas
$18.5M
RAM
449
RWC Asset Management
United Kingdom
$18.4M
SCM
450
Suvretta Capital Management
New York
$18.4M