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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
AI
851
AdvisorShares Investments
Maryland
$290K
PAS
852
Professional Advisory Services
Florida
$289K
GC
853
Gilbert & Cook
Iowa
$287K
7WCP
854
71 West Capital Partners
Massachusetts
$287K
ABC
855
Associated Banc-Corp
Wisconsin
$283K
AFGAS
856
Allegiance Financial Group Advisory Services
Virginia
$281K
Koshinski Asset Management
857
Koshinski Asset Management
Illinois
$279K
PAG
858
Poinciana Advisors Group
Florida
$277K
EL
859
EWA LLC
Pennsylvania
$276K
AWM
860
Aprio Wealth Management
Georgia
$275K
RIL
861
Rothschild Investment LLC
Illinois
$274K
EP
862
Edgestream Partners
New Jersey
$274K
ST
863
Sageworth Trust
Pennsylvania
$274K
CFM
864
Catalyst Funds Management
Australia
$273K
FFA
865
Fi3 Financial Advisors
Indiana
$271K
SL
866
Sentinus LLC
Illinois
$268K
ST
867
Smithfield Trust
Pennsylvania
$268K
TWM
868
TriaGen Wealth Management
California
$268K
MWM
869
Mission Wealth Management
California
$268K
BTD
870
BankPlus Trust Department
Mississippi
$266K
LAM
871
L2 Asset Management
Massachusetts
$266K
EWM
872
Endowment Wealth Management
Wisconsin
$265K
DCU
873
Dara Capital US
Florida
$265K
TPCW
874
TD Private Client Wealth
New York
$265K
VA
875
VestGen Advisors
Illinois
$264K