DOSSIER · 13F Holders · Q2 2026

THE ONCOLOGY INSTITUTE INC

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

CUSIP 68236X950·3 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$439K
visible holders
Holders
3
filers reporting
Concentration
51.92%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q2 2026

3 institutions reported THE ONCOLOGY INSTITUTE INC in Q2 2026. IMC-Chicago, LLC leads at 51.9% 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
$228K42K0.00%Q2 2026
02
GROUP ONE TRADING LLC
CIK 0000932540
$142K26K0.00%Q2 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$70K13K0.00%Q2 2026