DOSSIER · 13F Holders · Q3 2026

PETROLEO BRASILEIRO SA PETRO

9 institutions still hold PETROLEO BRASILEIRO SA PETRO as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 71654V958·9 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$281M
visible holders
Holders
9
filers reporting
Concentration
60.27%
Optiver Holding B.V. #1
top holder share
AI Holders Summary · Q3 2026

9 institutions reported PETROLEO BRASILEIRO SA PETRO in Q3 2026. Optiver Holding B.V. leads at 60.3% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
Optiver Holding B.V.
CIK 0001859606· Market maker
$170M10.5M0.05%Q2 2026
02
JPMORGAN CHASE & CO
CIK 0000019617
$39M1.9M0.00%Q3 2026
03
GROUP ONE TRADING LLC
CIK 0000932540
$27M1.3M0.04%Q3 2026
04
SIMPLEX TRADING, LLC
CIK 0001488542
$18M881K0.01%Q3 2026
05
IMC-Chicago, LLC
CIK 0001452861· Market maker
$18M845K0.00%Q3 2026
06
Itau Unibanco Holding S.A.
CIK 0001132597
$6M93K0.11%Q2 2026
07
HRT FINANCIAL LP
CIK 0001475597
$4M181K0.01%Q3 2026
08
SG Americas Securities, LLC
CIK 0001313360
$26K115K0.00%Q1 2026
09
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025