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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
FNBOO
401
First National Bank of Omaha
Nebraska
$4.3M
SCM
402
Sterling Capital Management
North Carolina
$4.27M
P
403
&Partners
Tennessee
$4.25M
Pacer Advisors
404
Pacer Advisors
Pennsylvania
$4.2M
TRCT
405
Tower Research Capital (TRC)
New York
$4.06M
CCS
406
Concentric Capital Strategies
Connecticut
$4.04M
OAC
407
OMERS Administration Corp
Ontario, Canada
$3.99M
FNA
408
First National Advisers
Nebraska
$3.98M
MCM
409
MAI Capital Management
Ohio
$3.95M
CS
410
Candriam SCA
Luxembourg
$3.95M
ClearBridge Investments
411
ClearBridge Investments
New York
$3.95M
PA
412
PFG Advisors
Arizona
$3.94M
TRSOTSOK
413
Teachers Retirement System of the State of Kentucky
Kentucky
$3.88M
MC
414
Moors & Cabot
Massachusetts
$3.86M
CWP
415
Core Wealth Partners
California
$3.86M
Commonwealth Equity Services
416
Commonwealth Equity Services
Massachusetts
$3.86M
SPIA
417
Steward Partners Investment Advisory
New York
$3.83M
SCM
418
Seascape Capital Management
New Hampshire
$3.83M
DSC
419
Duncker Streett & Co
Missouri
$3.82M
GIBU
420
Gulf International Bank (UK)
United Kingdom
$3.82M
BRCM
421
Bright Rock Capital Management
Massachusetts
$3.75M
Baird Financial Group
422
Baird Financial Group
Wisconsin
$3.72M
MPA
423
Marvin & Palmer Associates
Delaware
$3.63M
MFS
424
Mirabella Financial Services
United Kingdom
$3.63M
MC
425
Machina Capital
France
$3.63M