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1,151 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

114% more call options, than puts

Call options by funds: $99M | Put options by funds: $46.3M

51% more first-time investments, than exits

New positions opened: 136 | Existing positions closed: 90

25% more repeat investments, than reductions

Existing positions increased: 463 | Existing positions reduced: 369

2% more funds holding

Funds holding: 1,1261,151 (+25)

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
1,151
Holders Change
+25
Holders Change %
+2.22%
% of All Funds
14.17%
Holding in Top 10
22
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-8.33%
% of All Funds
0.27%
New
136
Increased
463
Reduced
369
Closed
90
Calls
$99M
Puts
$46.3M
Net Calls
+$52.8M
Net Calls Change
+$14.7M
Name Holding Trade Value Shares
Change
Change in
Stake
MSA
576
MUFG Securities Americas
New York
$1.37M +$37.3K +168 +3%
NCM
577
Noesis Capital Mangement
Florida
$1.36M
SAM
578
Securian Asset Management
Minnesota
$1.34M
PAS
579
Park Avenue Securities
New York
$1.34M +$1.39M +6,249 New
Vontobel Holding
580
Vontobel Holding
Switzerland
$1.32M +$145K +651 +12%
CA
581
Clearstead Advisors
Ohio
$1.32M -$120K -541 -8%
SAM
582
Smartleaf Asset Management
Massachusetts
$1.31M +$22.7K +102 +2%
KRSITF
583
Kentucky Retirement Systems Insurance Trust Fund
Kentucky
$1.3M
UCFA
584
United Capital Financial Advisors
Texas
$1.3M +$25.1K +113 +2%
HWM
585
HBE Wealth Management
Nebraska
$1.29M
VT
586
Vise Technologies
New York
$1.29M
PGCM
587
Prescott Group Capital Management
Oklahoma
$1.29M
SC
588
Syon Capital
California
$1.28M +$166K +745 +14%
CCM
589
Coldstream Capital Management
Washington
$1.27M -$15.8K -71 -1%
BHCM
590
Brevan Howard Capital Management
Jersey
$1.25M +$863K +3,884 +198%
FC
591
Farringdon Capital
United Kingdom
$1.24M +$1.29M +5,803 New
RBWA
592
RFG - Bristol Wealth Advisors
Massachusetts
$1.23M -$238K -1,072 -16%
PA
593
PSI Advisors
Florida
$1.23M
QIM
594
Quantitative Investment Management
Virginia
$1.23M +$1.27M +5,719 New
Assenagon Asset Management
595
Assenagon Asset Management
Luxembourg
$1.22M -$112M -505,037 -99%
MAS
596
Meeder Advisory Services
Ohio
$1.22M +$98.4K +443 +8%
KTM
597
Keeler Thomas Management
Utah
$1.2M -$378K -1,702 -23%
KPPF
598
Klein Pavlis & Peasley Financial
California
$1.19M +$7.33K +33 +0.6%
IWA
599
IVC Wealth Advisors
Pennsylvania
$1.19M -$55.6K -250 -4%
CC
600
Centiva Capital
New York
$1.18M +$1.22M +5,506 New