DOSSIER · 13F Holders · Q2 2026

AMETEK INC

8 institutions still hold AMETEK INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 031100900·8 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$45M
visible holders
Holders
8
filers reporting
Concentration
53.83%
Cartenna Capital, LP #1
top holder share
AI Holders Summary · Q2 2026

8 institutions reported AMETEK INC in Q2 2026. Cartenna Capital, LP leads at 53.8% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
Cartenna Capital, LP
CIK 0001808928
$24M100K0.58%Q2 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$15M63K0.00%Q2 2026
03
JPMORGAN CHASE & CO
CIK 0000019617
$3M11K0.00%Q2 2026
04
SIMPLEX TRADING, LLC
CIK 0001488542
$1M6K0.00%Q2 2026
05
GROUP ONE TRADING LLC
CIK 0000932540
$1M6K0.00%Q2 2026
06
AlphaCore Capital LLC
CIK 0001713662
$88K520.00%Q2 2026
07
Compagnie Lombard Odier SCmA
CIK 0001615423
$000.00%Q2 2026
08
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025