DOSSIER · 13F Holders · Q2 2026

OPKO HEALTH INC

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

CUSIP 68375N903·4 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$466K
visible holders
Holders
4
filers reporting
Concentration
54.46%
SIMPLEX TRADING, LLC #1
top holder share
AI Holders Summary · Q2 2026

4 institutions reported OPKO HEALTH INC in Q2 2026. SIMPLEX TRADING, LLC leads at 54.5% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
SIMPLEX TRADING, LLC
CIK 0001488542
$254K169K0.00%Q2 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$158K106K0.00%Q2 2026
03
GROUP ONE TRADING LLC
CIK 0000932540
$54K36K0.00%Q2 2026
04
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025