DOSSIER · 13F Holders · Q3 2026

PETROLEO BRASILEIRO SA PETRO

10 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 71654V908·10 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$299M
visible holders
Holders
10
filers reporting
Concentration
46.41%
Optiver Holding B.V. #1
top holder share
AI Holders Summary · Q3 2026

10 institutions reported PETROLEO BRASILEIRO SA PETRO in Q3 2026. Optiver Holding B.V. leads at 46.4% 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
$139M8.6M0.04%Q2 2026
02
GROUP ONE TRADING LLC
CIK 0000932540
$46M2.2M0.06%Q3 2026
03
JPMORGAN CHASE & CO
CIK 0000019617
$36M1.7M0.00%Q3 2026
04
IMC-Chicago, LLC
CIK 0001452861· Market maker
$35M1.7M0.01%Q3 2026
05
SIMPLEX TRADING, LLC
CIK 0001488542
$33M1.6M0.02%Q3 2026
06
Truffle Hound Capital, LLC
CIK 0001595862
$7M350K1.52%Q3 2026
07
Itau Unibanco Holding S.A.
CIK 0001132597
$3M8K0.05%Q2 2026
08
Verde Servicos Internacionais S.A.
CIK 0001629290
$26K3K0.01%Q3 2026
09
SG Americas Securities, LLC
CIK 0001313360
$25K10K0.00%Q1 2026
10
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025