3,288 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, 1,419 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: 3,3093,288 (-21)

5% less repeat investments, than reductions

Existing positions increased: 1,344 | Existing positions reduced: 1,419

2.22% less ownership

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

Holders
3,288
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
PA
301
Pinnacle Associates
New York
$37.2M
CIM
302
Corda Investment Management
Texas
$37M
KBG
303
Kahn Brothers Group
New York
$36.4M
IMPI
304
Ilmarinen Mutual Pension Insurance
Finland
$36.3M
PI
305
PineBridge Investments
New York
$36.3M
FT
306
Fiduciary Trust
Massachusetts
$36.3M
AAP
307
Arax Advisory Partners
Colorado
$36M
SSA
308
Schonfeld Strategic Advisors
New York
$35.9M
UIM
309
USS Investment Management
United Kingdom
$35.5M
SCI
310
S&CO Inc
Massachusetts
$35.5M
URS
311
Utah Retirement Systems
Utah
$34.9M
UBP
312
Union Bancaire Privee
Switzerland
$34.9M
VDI
313
Vaughan David Investments
Illinois
$34.6M
X
314
Xponance
Pennsylvania
$34.5M
SAI
315
Systematic Alpha Investments
New Jersey
$34.5M
PP
316
Prudential plc
United Kingdom
$34.4M
RG
317
Rathbones Group
United Kingdom
$34.3M
Cambridge Investment Research Advisors
318
Cambridge Investment Research Advisors
Iowa
$34.1M
PFSRSONJ
319
Police & Firemen's Retirement System of New Jersey
New Jersey
$34.1M
VMPIC
320
Varma Mutual Pension Insurance Co
Finland
$33.8M
CI
321
Conning Inc
Connecticut
$33.7M
Vontobel Holding
322
Vontobel Holding
Switzerland
$33.4M
CRC
323
Curi RMB Capital
Illinois
$33M
CIBC Private Wealth Group
324
CIBC Private Wealth Group
Georgia
$33M
QCM
325
QRG Capital Management
Illinois
$32.2M