DOSSIER · 13F Holders · Q2 2026

MEDIFAST INC

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

CUSIP 58470H951·3 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$908K
visible holders
Holders
3
filers reporting
Concentration
89.14%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q2 2026

3 institutions reported MEDIFAST INC in Q2 2026. IMC-Chicago, LLC leads at 89.1% 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
$810K76K0.00%Q2 2026
02
SIMPLEX TRADING, LLC
CIK 0001488542
$99K9K0.00%Q2 2026
03
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025