15 institutions reported holding $876.5M of PETROLEO BRASILEIRO S A (PBR.A) in SEC 13F filings for 2026-06-30. Largest institutional holders: Optiver Holding B.V. ($455.3M), Capital Markets Trading UK LLP ($127.0M), GROUP ONE TRADING LLC ($84.3M), JPMORGAN CHASE & CO ($60.8M), CMT Capital Markets Trading GmbH ($51.0M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Optiver Holding B.V. | $455.3M | 29.1M | Trimmed |
| 2 | Capital Markets Trading UK LLP | $127.0M | 7.9M | Added |
| 3 | GROUP ONE TRADING LLC | $84.3M | 5.4M | Added |
| 4 | JPMORGAN CHASE & CO | $60.8M | 3.7M | Trimmed |
| 5 | CMT Capital Markets Trading GmbH | $51.0M | 3.2M | Added |
| 6 | SIMPLEX TRADING, LLC | $48.5M | 3.0M | Trimmed |
| 7 | IMC-Chicago, LLC | $31.7M | 2.0M | Added |
| 8 | Itau Unibanco Holding S.A. | $8.5M | 100,889 | Added |
| 9 | Truffle Hound Capital, LLC | $5.7M | 350,000 | Added |
| 10 | HRT FINANCIAL LP | $3.6M | 224,700 | New |
| 11 | SG Americas Securities, LLC | $147,000 | 380,800 | Added |
| 12 | Verde Servicos Internacionais S.A. | $11,000 | 12,106 | Added |
| 13 | SUMMIT SECURITIES GROUP LLC | $8,080 | 500 | New |
| 14 | Sagil Capital LLP | $0 | 0 | Exited |
| 15 | CIBC Bancorp USA Inc. | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30