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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
KeyBank National Association
601
KeyBank National Association
Ohio
$1.18M -$1.78K -8 -0.1%
WFAG
602
Wescott Financial Advisory Group
Pennsylvania
$1.17M +$2.44K +11 +0.2%
NA
603
NewEdge Advisors
Louisiana
$1.16M +$126K +569 +12%
AWMS
604
Advocacy Wealth Management Services
Georgia
$1.15M +$2.22K +10 +0.2%
FFA
605
Farther Finance Advisors
California
$1.15M -$86.7K -390 -7%
KF
606
Krilogy Financial
Missouri
$1.14M -$29.3K -132 -3%
MAM
607
Mystic Asset Management
Rhode Island
$1.14M
BHWM
608
Bar Harbor Wealth Management
New Hampshire
$1.12M -$61.1K -275 -5%
SFI
609
Siemens Fonds Invest
Germany
$1.12M -$72.9K -328 -6%
ECM
610
Estabrook Capital Management
New York
$1.11M
NAM
611
NorthCrest Asset Manangement
Minnesota
$1.11M -$274K -1,235 -20%
S
612
SignatureFD
Georgia
$1.11M +$45.6K +205 +4%
PP
613
Prudential plc
United Kingdom
$1.11M +$414K +1,861 +56%
HNB
614
Huntington National Bank
Ohio
$1.09M +$62.9K +283 +6%
AIM
615
ARK Investment Management
Florida
$1.09M -$297K -1,338 -21%
BPMC
616
Buckland Partners Management Co
New York
$1.07M
BPA
617
Beacon Pointe Advisors
California
$1.07M +$189K +851 +21%
SPC
618
Spirepoint Private Client
Florida
$1.07M -$14.4K -65 -1%
KRS
619
Kentucky Retirement Systems
Kentucky
$1.06M +$1.28M +5,743 +40%
IA
620
IFP Advisors
Florida
$1.06M +$934K +4,202 +559%
KWM
621
Kingsview Wealth Management
Oregon
$1.05M +$1.09M +4,916 New
VI
622
Vestcor Inc
New Brunswick, Canada
$1.04M
MF
623
Magnetar Financial
Illinois
$1.03M +$1.09M +4,926 New
CPIG
624
Chicago Partners Investment Group
Illinois
$1.02M +$334K +1,503 +51%
IRP
625
Investment Research Partners
Pennsylvania
$1.02M +$48.7K +219 +5%