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
QCM
326
QRG Capital Management
Illinois
$32.2M
LWCFA
327
Loring Wolcott & Coolidge Fiduciary Advisors
Massachusetts
$31.7M
HI
328
Horizon Investments
North Carolina
$31.7M
MHC
329
Meyer Handelman Company
New York
$31.7M
OSAM
330
O'Shaughnessy Asset Management
Connecticut
$31.6M
RL
331
Ruffer LLP
United Kingdom
$31M
Kovitz Investment Group Partners
332
Kovitz Investment Group Partners
Illinois
$30.9M
GT
333
Glenview Trust
Kentucky
$30.8M
CIA
334
Capital Investment Advisors
Georgia
$30.5M
MGP
335
M&G plc
United Kingdom
$30.5M
BCIM
336
British Columbia Investment Management
British Columbia, Canada
$30.3M
Lido Advisors
337
Lido Advisors
California
$30.3M
Federated Hermes
338
Federated Hermes
Pennsylvania
$30.3M
MAM
339
Martingale Asset Management
Massachusetts
$30.2M
TI
340
Tidal Investments
Wisconsin
$30M
LGF
341
LGT Group Foundation
Liechtenstein
$29.9M
LBA
342
Letko, Brosseau & Associates
Quebec, Canada
$29.7M
BPCE
343
Bank Pictet & Cie (Europe)
Germany
$29.3M
NIM
344
NEOS Investment Management
Connecticut
$29.2M
CA
345
Commerzbank Aktiengesellschaft
Germany
$29.1M
Public Sector Pension Investment Board (PSP Investments)
346
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$29.1M
MML Investors Services
347
MML Investors Services
Massachusetts
$29M
CS
348
Cannell & Spears
New York
$29M
CBU
349
CIBC Bancorp USA
Illinois
$29M
NA
350
NewEdge Advisors
Louisiana
$28.6M