DOSSIER · 13F Holders · Q2 2026
AMPGZ

AMPLITECH GROUP INC

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

CUSIP 03211Q143·5 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$695K
visible holders
Holders
5
filers reporting
Concentration
69.89%
EQUITEC PROPRIETARY MARKETS, LLC #1
top holder share
AI Holders Summary · Q2 2026

5 institutions reported AMPGZ in Q2 2026. EQUITEC PROPRIETARY MARKETS, LLC leads at 69.9% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
EQUITEC PROPRIETARY MARKETS, LLC
CIK 0001143261
$485K335K0.09%Q2 2026
02
Cable Car Capital, LP
CIK 0001699575
$114K950K0.04%Q1 2026
03
HEIGHTS CAPITAL MANAGEMENT, INC
CIK 0001081698
$75K1.2M0.02%Q1 2026
04
Warberg Asset Management LLC
CIK 0001597506
$20K167K0.00%Q1 2026
05
WELLS FARGO & COMPANY/MN
CIK 0000072971
$1201K0.00%Q1 2026