3,253 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, 1,331 increasing their positions, 1,399 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: 1,331 | Existing positions reduced: 1,399

1% less funds holding

Funds holding: 3,2963,253 (-43)

2.2% less ownership

Funds ownership: 78.07%75.87% (-2.2%)

Holders
3,253
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
XSC
2576
X-Square Capital
Puerto Rico
$353K
PCM
2577
Perritt Capital Management
Illinois
$353K
A
2578
AlphaQuest
New York
$352K
OCM
2579
Osterweis Capital Management
California
$351K
JF
2580
Joule Financial
Kentucky
$351K
GFG
2581
Goldstone Financial Group
Illinois
$350K
ACA
2582
Affinity Capital Advisors
California
$350K
PGWM
2583
Parisi Gray Wealth Management
New Jersey
$349K
GI
2584
Gradient Investments
Minnesota
$349K
BST
2585
Bath Savings Trust
Maine
$349K
PIA
2586
Powell Investment Advisors
Florida
$348K
GSWM
2587
Greenup Street Wealth Management
Michigan
$348K
CPWA
2588
Cerro Pacific Wealth Advisors
California
$348K
BWFA
2589
Baltimore-Washington Financial Advisors
Maryland
$347K
UPS
2590
UHLMANN PRICE SECURITIES
Illinois
$347K
AA
2591
Alesco Advisors
New York
$347K
FPW
2592
Fairvoy Private Wealth
Alabama
$346K
RC
2593
Randolph Company
Ohio
$346K
WW
2594
Westshore Wealth
California
$346K
CFA
2595
Camarda Financial Advisors
Florida
$346K
RCM
2596
RB Capital Management
Nevada
$345K
CC
2597
Cornerstone Capital
California
$344K
CM
2598
Capula Management
Cayman Islands
$344K
WCG
2599
Weaver Consulting Group
California
$343K
TFO
2600
Tarbox Family Office
California
$343K