3,289 hedge funds and large institutions have $159B invested in Merck in 2025 Q3 according to their latest regulatory filings, with 189 funds opening new positions, 1,344 increasing their positions, 1,420 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: 3,3103,289 (-21)

5% less repeat investments, than reductions

Existing positions increased: 1,344 | Existing positions reduced: 1,420

2.22% less ownership

Funds ownership: 78.27%76.04% (-2.2%)

Holders
3,289
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
PTB
2201
Pioneer Trust Bank
Oregon
$577K
PNAA
2202
Pictet North America Advisors
Switzerland
$577K
APIM
2203
Agate Pass Investment Management
Washington
$574K
RIS
2204
Retirement Income Solutions
Michigan
$573K
OFS
2205
Orrstown Financial Services
Pennsylvania
$572K
FFA
2206
Fi3 Financial Advisors
Indiana
$571K
AIM
2207
Allen Investment Management
New York
$571K
OPA
2208
Old Port Advisors
Maine
$571K
MPWS
2209
McCarter Private Wealth Services
Massachusetts
$570K
PA
2210
Promethium Advisors
Maryland
$570K
NCM
2211
Neumann Capital Management
California
$569K
CCM
2212
Crabel Capital Management
California
$569K
CMAI
2213
Capital Management Associates Inc
Minnesota
$569K
GTAM
2214
Global Trust Asset Management
Florida
$568K
CFG
2215
Certior Financial Group
Pennsylvania
$568K
CCM
2216
Cox Capital Management
Massachusetts
$567K
AGP
2217
Aspire Growth Partners
Florida
$565K
GIP
2218
Granite Investment Partners
California
$564K
AAS
2219
Annex Advisory Services
Wisconsin
$562K
SMA
2220
Seven Mile Advisory
New Jersey
$562K
SC
2221
Sepio Capital
Utah
$560K
PCA
2222
Prosperity Capital Advisors
Ohio
$558K
AIA
2223
Allied Investment Advisors
Montana
$558K
SN
2224
Sittner & Nelson
Oregon
$557K
CH
2225
Cromwell Holdings
Wyoming
$557K