DOSSIER · 13F Holders · Q2 2026

TECOGEN INC NEW

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

CUSIP 87876P951·3 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$1M
visible holders
Holders
3
filers reporting
Concentration
69.67%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q2 2026

3 institutions reported TECOGEN INC NEW in Q2 2026. IMC-Chicago, LLC leads at 69.7% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
IMC-Chicago, LLC
CIK 0001452861· Market maker
$848K162K0.00%Q2 2026
02
SIMPLEX TRADING, LLC
CIK 0001488542
$239K46K0.00%Q2 2026
03
GROUP ONE TRADING LLC
CIK 0000932540
$131K25K0.00%Q2 2026