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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 137 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

52% more first-time investments, than exits

New positions opened: 137 | Existing positions closed: 90

25% more repeat investments, than reductions

Existing positions increased: 463 | Existing positions reduced: 369

2% more funds holding

Funds holding: 1,1251,151 (+26)

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
+26
Holders Change %
+2.31%
% of All Funds
14.18%
Holding in Top 10
22
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-8.33%
% of All Funds
0.27%
New
137
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
Qube Research & Technologies (QRT)
26
Qube Research & Technologies (QRT)
United Kingdom
$308M +$70.2M +315,895 +28%
Massachusetts Financial Services
27
Massachusetts Financial Services
Massachusetts
$306M +$101M +453,900 +47%
Charles Schwab
28
Charles Schwab
California
$306M +$8.47M +38,123 +3%
Legal & General Group
29
Legal & General Group
United Kingdom
$290M -$1.67M -7,503 -0.6%
UBS Group
30
UBS Group
Switzerland
$284M +$102M +458,515 +53%
Franklin Resources
31
Franklin Resources
California
$284M -$2.56M -11,513 -0.9%
Kayne Anderson Rudnick Investment Management
32
Kayne Anderson Rudnick Investment Management
California
$283M -$25.7M -115,579 -8%
DZ Bank
33
DZ Bank
Germany
$279M +$247M +1,110,421 +586%
VFT
34
Vanguard Fiduciary Trust
Pennsylvania
$278M +$288M +1,294,702 New
Boston Partners
35
Boston Partners
Massachusetts
$269M -$11.7M -52,764 -4%
Amundi
36
Amundi
France
$269M -$112M -502,267 -29%
Deutsche Bank
37
Deutsche Bank
Germany
$259M -$1.59M -7,148 -0.6%
HSBC Holdings
38
HSBC Holdings
United Kingdom
$248M -$23.1M -103,764 -8%
Man Group
39
Man Group
United Kingdom
$244M +$9.37M +42,183 +4%
AQR Capital Management
40
AQR Capital Management
Connecticut
$221M +$32.7M +147,050 +16%
Barclays
41
Barclays
United Kingdom
$220M +$69.9M +314,554 +44%
Neuberger Berman Group
42
Neuberger Berman Group
New York
$218M +$29.3M +131,767 +15%
American Century Companies
43
American Century Companies
Missouri
$200M +$43.5M +195,951 +27%
GF
44
Gabelli Funds
New York
$199M -$3.42M -15,370 -2%
D.E. Shaw & Co
45
D.E. Shaw & Co
New York
$191M -$119M -536,680 -38%
MC
46
Maren Capital
Illinois
$191M +$3.15M +14,166 +2%
Nordea Investment Management
47
Nordea Investment Management
Sweden
$189M +$10.1M +45,540 +5%
MIM
48
Meridiem Investment Management
United Kingdom
$183M -$7.11M -32,017 -4%
DekaBank Deutsche Girozentrale
49
DekaBank Deutsche Girozentrale
Germany
$181M
Primecap Management
50
Primecap Management
California
$176M