3,638 hedge funds and large institutions have $207B invested in Merck in 2025 Q4 according to their latest regulatory filings, with 540 funds opening new positions, 1,372 increasing their positions, 1,393 reducing their positions, and 130 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more capital invested

Capital invested by funds: $ → $

10% more funds holding

Funds holding: 3,3003,638 (+338)

3.3% more ownership

Funds ownership: 76.15%79.45% (+3.3%)

2% less repeat investments, than reductions

Existing positions increased: 1,372 | Existing positions reduced: 1,393

Holders
3,638
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
77
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$3.76B
Puts
$2.62B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
HI
3676
Humankind Investments
New York
GCP
3677
GSA Capital Partners
United Kingdom
BWM
3678
Bulltick Wealth Management
Florida
HKIM
3679
Hayek Kallen Investment Management
Alabama
SIP
3680
Stoneridge Investment Partners
Pennsylvania
CCM
3681
Campbell Capital Management
Florida
1C
3682
111 Capital
France
ZP
3683
Zimmer Partners
New York
IMC Chicago
3684
IMC Chicago
Illinois
OQS
3685
Occudo Quantitative Strategies
Florida
GA
3686
GraniteShares Advisors
New York
LAM
3687
LECAP Asset Management
United Kingdom
MTIM
3688
Marathon Trading Investment Management
Pennsylvania
Blackstone Inc
3689
Blackstone Inc
New York
QC
3690
Quadrature Capital
United Kingdom
CII
3691
Capital International Inc
California
P
3692
Pitcairn
Pennsylvania
TCWM
3693
Total Clarity Wealth Management
Illinois
TAP
3694
Tounjian Advisory Partners
Florida
AAI
3695
American Assets Inc
California
AA
3696
ABC Arbitrage
France
FAM
3697
Fairtree Asset Management
South Africa
OAM
3698
Oxford Asset Management
United Kingdom
SM
3699
Stonegate Management
Illinois
WIM
3700
Waverton Investment Management
United Kingdom