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
PCA
626
Providence Capital Advisors
North Carolina
$9.33M
PFS
627
Prospera Financial Services
Texas
$9.28M
WC
628
Whitney & Co
New York
$9.28M
JIC
629
Johnson Investment Counsel
Ohio
$9.27M
CTC
630
Central Trust Company
Missouri
$9.23M
APP
631
Avantax Planning Partners
Iowa
$9.2M
JC
632
Jacobs & Co
California
$9.17M
PP
633
Patten & Patten
Tennessee
$9.16M
CSI
634
Clark & Stuart Inc
Maine
$9.16M
WAG
635
Wallace Advisory Group
California
$9.16M
NGA
636
Naples Global Advisors
Florida
$9.14M
TCOV
637
Trust Company of Vermont
Vermont
$8.99M
LW
638
Linscomb Wealth
Texas
$8.95M
GAM
639
Griffin Asset Management
New York
$8.93M
MC
640
Miramar Capital
Illinois
$8.91M
FPAS
641
Focus Partners Advisor Solutions
Missouri
$8.9M
TAIM
642
Te Ahumairangi Investment Management
New Zealand
$8.9M
Capstone Investment Advisors
643
Capstone Investment Advisors
New York
$8.89M
CAG
644
Crestwood Advisors Group
Massachusetts
$8.88M
Verition Fund Management
645
Verition Fund Management
Connecticut
$8.86M
BCM
646
Brookstone Capital Management
Illinois
$8.85M
IPAM
647
ICICI Prudential Asset Management
India
$8.84M
Hudson Bay Capital Management
648
Hudson Bay Capital Management
Connecticut
$8.83M
TAM
649
Trillium Asset Management
Massachusetts
$8.83M
RDWM
650
Red Door Wealth Management
Tennessee
$8.8M