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1,150 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

more call options, than puts

Call options by funds: $ | Put options by funds: $

more first-time investments, than exits

New positions opened: | Existing positions closed:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding

Funds holding:

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
1,150
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
22
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$99M
Puts
$46.3M
Net Calls
Net Calls Change

Top Buyers

1 +$247M
2 +$168M
3 +$143M
4
Two Sigma Investments
Two Sigma Investments
New York
+$138M
5
JP Morgan Chase
JP Morgan Chase
New York
+$122M

Top Sellers

1 -$256M
2 -$232M
3 -$215M
4
BlackRock
BlackRock
New York
-$183M
5
ATO
Alecta Tjanstepension Omsesidigt
Sweden
-$165M
Name Holding Trade Value Shares
Change
Change in
Stake
HI
376
Horizon Investments
North Carolina
$5.54M
BWL
377
Bogart Wealth LLC
Virginia
$5.52M
CCIA
378
Campbell & Co Investment Adviser
Maryland
$5.49M
Macquarie Group
379
Macquarie Group
Australia
$5.44M
PC
380
Promethos Capital
Massachusetts
$5.44M
Focus Partners Wealth
381
Focus Partners Wealth
Massachusetts
$5.42M
EI
382
Ethic Inc
New York
$5.41M
AssetMark Inc
383
AssetMark Inc
California
$5.33M
ACM
384
Ayrshire Capital Management
Connecticut
$5.24M
AUB
385
Atlantic Union Bankshares
Virginia
$5.23M
EMPI
386
Elo Mutual Pension Insurance
Finland
$5.21M
VIM
387
Vinva Investment Management
Australia
$5.2M
EF
388
Empowered Funds
Pennsylvania
$5.19M
N
389
Numerai
California
$5.1M
CISOA
390
Capital Investment Services of America
Wisconsin
$5.07M
GCM
391
Graham Capital Management
Connecticut
$4.99M
RC
392
Roundview Capital
New Jersey
$4.92M
CIC
393
Carnegie Investment Counsel
Ohio
$4.92M
AC
394
Allstate Corporation
Illinois
$4.89M
M&T Bank
395
M&T Bank
New York
$4.87M
WA
396
Waverly Advisors
Alabama
$4.76M
KAS
397
Kestra Advisory Services
Texas
$4.58M
Susquehanna International Group
398
Susquehanna International Group
Pennsylvania
$4.48M
FAM
399
Fulcrum Asset Management
United Kingdom
$4.48M
Fuller & Thaler Asset Management
400
Fuller & Thaler Asset Management
California
$4.39M