DOSSIER · 13F Holders · Q1 2026

AMPLITECH GROUP INC

2 institutions still hold AMPLITECH GROUP INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 03211Q950·2 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$6K
visible holders
Holders
2
filers reporting
Concentration
75.77%
GROUP ONE TRADING LLC #1
top holder share
AI Holders Summary · Q1 2026

2 institutions reported AMPLITECH GROUP INC in Q1 2026. GROUP ONE TRADING LLC leads at 75.8% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
GROUP ONE TRADING LLC
CIK 0000932540
$5K3K0.00%Q1 2026
02
SIMPLEX TRADING, LLC
CIK 0001488542
$2K8000.00%Q1 2026