DOSSIER · 13F Holders · Q2 2026
AMPGZ

AMPLITECH GROUP INC

7 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 03211Q143·7 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$5M
visible holders
Holders
7
filers reporting
Concentration
49.11%
Cable Car Capital, LP #1
top holder share
AI Holders Summary · Q2 2026

7 institutions reported AMPGZ in Q2 2026. Cable Car Capital, LP leads at 49.1% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
Cable Car Capital, LP
CIK 0001699575
$2M1.7M0.05%Q2 2026
02
HEIGHTS CAPITAL MANAGEMENT, INC
CIK 0001081698
$2M1.2M0.41%Q2 2026
03
EQUITEC PROPRIETARY MARKETS, LLC
CIK 0001143261
$485K335K0.09%Q2 2026
04
Warberg Asset Management LLC
CIK 0001597506
$253K174K0.05%Q2 2026
05
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$39K27K0.00%Q2 2026
06
WELLS FARGO & COMPANY/MN
CIK 0000072971
$1K1K0.00%Q2 2026
07
UBS Group AG
CIK 0001610520
$1K8610.00%Q2 2026