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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
14.18%
Holding in Top 10
22
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-8.33%
% of All Funds
0.27%
New
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
Jones Financial Companies
51
Jones Financial Companies
Missouri
$167M +$143M +643,034 +422%
Balyasny Asset Management
52
Balyasny Asset Management
Illinois
$164M -$68.3M -307,140 -29%
SCM
53
Snyder Capital Management
California
$161M -$13.9M -62,643 -8%
Westfield Capital Management
54
Westfield Capital Management
Massachusetts
$160M -$34.3M -154,384 -17%
Bank Julius Baer & Co
55
Bank Julius Baer & Co
Switzerland
$159M -$13.8M -61,922 -8%
ATO
56
Alecta Tjanstepension Omsesidigt
Sweden
$157M -$165M -743,600 -50%
CLOS
57
Compagnie Lombard Odier SCmA
Switzerland
$156M +$6.75M +30,394 +4%
Natixis Advisors
58
Natixis Advisors
Massachusetts
$154M +$10.1M +45,282 +7%
N
59
Nuveen
North Carolina
$148M +$46.3M +208,213 +43%
Swiss National Bank
60
Swiss National Bank
Switzerland
$145M +$9.49M +42,700 +7%
1832 Asset Management
61
1832 Asset Management
Ontario, Canada
$134M -$39.8M -179,142 -22%
GC
62
Giverny Capital
Quebec, Canada
$131M -$81.6M -367,400 -38%
Bessemer Group
63
Bessemer Group
New Jersey
$129M +$3.79M +17,043 +3%
JHP
64
James Hambro & Partners
United Kingdom
$125M -$5.63M -25,356 -4%
Allianz Asset Management
65
Allianz Asset Management
Germany
$125M -$4.23M -19,013 -3%
Acadian Asset Management
66
Acadian Asset Management
Massachusetts
$120M +$14.6M +65,802 +13%
SAM
67
Silvercrest Asset Management
New York
$120M +$964K +4,336 +0.8%
HPC
68
HM Payson & Co
Maine
$119M -$2.97M -13,360 -2%
GI
69
GAMCO Investors
Connecticut
$118M -$12.9M -58,262 -10%
Arrowstreet Capital
70
Arrowstreet Capital
Massachusetts
$116M +$21.7M +97,716 +22%
CC
71
Cartenna Capital
Connecticut
$115M +$41.1M +185,000 +53%
Lord, Abbett & Co
72
Lord, Abbett & Co
New Jersey
$115M +$119M +534,546 New
Ameriprise
73
Ameriprise
Minnesota
$114M +$2.05M +9,204 +2%
Royal London Asset Management
74
Royal London Asset Management
United Kingdom
$113M -$2.16M -9,700 -2%
Mitsubishi UFJ Asset Management
75
Mitsubishi UFJ Asset Management
Japan
$111M +$7.11M +32,006 +7%