DOSSIER · 13F Holders · Q3 2026

MEDICAL PPTYS TRUST INC

6 institutions still hold MEDICAL PPTYS TRUST INC as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 58463J904·6 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$9M
visible holders
Holders
6
filers reporting
Concentration
39.08%
GROUP ONE TRADING LLC #1
top holder share
AI Holders Summary · Q3 2026

6 institutions reported MEDICAL PPTYS TRUST INC in Q3 2026. GROUP ONE TRADING LLC leads at 39.1% 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
$4M1.1M0.01%Q3 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$3M882K0.00%Q3 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$2M499K0.00%Q3 2026
04
HRT FINANCIAL LP
CIK 0001475597
$935K270K0.00%Q3 2026
05
Pasadena Private Wealth, LLC
CIK 0001760578
$16K12K0.00%Q3 2026
06
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025