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1,150 hedge funds and large institutions have $43B invested in Ametek in 2026 Q1 according to their latest regulatory filings, with 136 funds opening new positions, 463 increasing their positions, 369 reducing their positions, and 90 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

more first-time investments, than exits

New positions opened: | Existing positions closed:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding

Funds holding:

2% more capital invested

Capital invested by funds: $42.1B → $43B (+$859M)

1.54% less ownership

Funds ownership: 89.22%87.68% (-1.5%)

8% less funds holding in top 10

Funds holding in top 10: 2422 (-2)

Holders
1,150
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
22
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$99M
Puts
$46.3M
Net Calls
Net Calls Change

Top Buyers

1 +$247M
2 +$168M
3 +$143M
4
Two Sigma Investments
Two Sigma Investments
New York
+$138M
5
JP Morgan Chase
JP Morgan Chase
New York
+$122M

Top Sellers

1 -$256M
2 -$232M
3 -$215M
4
BlackRock
BlackRock
New York
-$183M
5
ATO
Alecta Tjanstepension Omsesidigt
Sweden
-$165M
Name Holding Trade Value Shares
Change
Change in
Stake
SWM
826
Spire Wealth Management
Virginia
$328K
SFS
827
Sowell Financial Services
Arkansas
$325K
CSIC
828
Clifford Swan Investment Counsel
California
$322K
KBFS
829
Kohmann Bosshard Financial Services
Ohio
$315K
CW
830
CreativeOne Wealth
Kansas
$313K
HW
831
Hancock Whitney
Mississippi
$311K
MMG
832
Monetary Management Group
Missouri
$311K
WBC
833
Westpac Banking Corp
Australia
$310K
QL
834
Quarry LP
New York
$310K
TC
835
TownSquare Capital
Utah
$309K
HFM
836
Harvest Fund Management
China
$309K
SEIA
837
Signature Estate & Investment Advisors
California
$309K
SC
838
Scotia Capital
Ontario, Canada
$308K
MG
839
Mather Group
Illinois
$306K
AHL
840
Abel Hall LLC
Louisiana
$306K
FHC
841
First Horizon Corporation
Tennessee
$305K
FC
842
Financial Consulate
Maryland
$301K
RCM
843
Radnor Capital Management
Pennsylvania
$300K
CIA
844
Caerus Investment Advisors
Texas
$299K
ACA
845
Aptus Capital Advisors
Alabama
$296K
TAFW
846
Tred Avon Family Wealth
Maryland
$294K
ICP
847
Impact Capital Partners
Colorado
$294K
EA
848
Everpar Advisors
Oklahoma
$293K
RYIA
849
Roehl & Yi Investment Advisors
Oregon
$291K
MPWT
850
MassMutual Private Wealth & Trust
Connecticut
$290K