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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
BlackRock
1
BlackRock
New York
$4.04B -$183M -824,909 -4%
VCM
2
Vanguard Capital Management
Pennsylvania
$3.2B +$3.32B +14,926,515 New
State Street
3
State Street
Massachusetts
$2.16B +$28.3M +127,524 +1%
VPM
4
Vanguard Portfolio Management
Pennsylvania
$2.11B +$2.19B +9,850,858 New
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$1.48B -$215M -967,516 -12%
Geode Capital Management
6
Geode Capital Management
Massachusetts
$1.31B +$52M +234,077 +4%
JP Morgan Chase
7
JP Morgan Chase
New York
$970M +$122M +548,092 +13%
Fidelity Investments
8
Fidelity Investments
Massachusetts
$934M -$31M -139,488 -3%
Morgan Stanley
9
Morgan Stanley
New York
$829M -$21M -94,710 -2%
Flossbach Von Storch
10
Flossbach Von Storch
Germany
$741M -$80.5M -362,242 -9%
Invesco
11
Invesco
Georgia
$671M -$256M -1,150,618 -27%
Wellington Management Group
12
Wellington Management Group
Massachusetts
$600M -$2.35M -10,573 -0.4%
Bank of New York Mellon
13
Bank of New York Mellon
New York
$537M +$26.7M +120,134 +5%
Northern Trust
14
Northern Trust
Illinois
$504M +$2.88M +12,939 +0.6%
Dimensional Fund Advisors
15
Dimensional Fund Advisors
Texas
$445M +$6.44M +29,001 +1%
EIG
16
EdgePoint Investment Group
Ontario, Canada
$402M -$232M -1,044,703 -36%
Capital World Investors
17
Capital World Investors
California
$396M +$168M +758,082 +69%
Principal Financial Group
18
Principal Financial Group
Iowa
$381M -$57.6M -259,099 -13%
Goldman Sachs
19
Goldman Sachs
New York
$361M -$145M -651,441 -28%
Bank of America
20
Bank of America
North Carolina
$353M +$25.6M +115,311 +8%
UBS AM
21
UBS AM
Illinois
$350M +$26.6M +119,539 +8%
Two Sigma Investments
22
Two Sigma Investments
New York
$350M +$138M +620,621 +61%
Lazard Asset Management
23
Lazard Asset Management
New York
$347M +$15.7M +70,693 +5%
Royal Bank of Canada
24
Royal Bank of Canada
Ontario, Canada
$310M -$359K -1,617 -0.1%
Citadel Advisors
25
Citadel Advisors
Florida
$310M -$64.6M -290,552 -17%