15 institutions reported holding $1.23B of PETROLEO BRASILEIRO S A (PBR.A) in SEC 13F filings for 2026-03-31. Largest institutional holders: Optiver Holding B.V. ($717.1M), JPMORGAN CHASE & CO ($114.5M), Capital Markets Trading UK LLP ($100.7M), GROUP ONE TRADING LLC ($91.8M), SIMPLEX TRADING, LLC ($75.6M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Optiver Holding B.V. | $717.1M | 35.3M | Added |
| 2 | JPMORGAN CHASE & CO | $114.5M | 5.5M | Trimmed |
| 3 | Capital Markets Trading UK LLP | $100.7M | 4.8M | Trimmed |
| 4 | GROUP ONE TRADING LLC | $91.8M | 4.6M | Added |
| 5 | SIMPLEX TRADING, LLC | $75.6M | 3.7M | New |
| 6 | CMT Capital Markets Trading GmbH | $56.1M | 2.7M | Added |
| 7 | IMC-Chicago, LLC | $38.1M | 1.8M | Added |
| 8 | CIBC Bancorp USA Inc. | $12.4M | 600,000 | New |
| 9 | Sagil Capital LLP | $7.3M | 350,000 | Hold |
| 10 | Itau Unibanco Holding S.A. | $6.5M | 8,000 | New |
| 11 | Truffle Hound Capital, LLC | $5.2M | 250,000 | New |
| 12 | SG Americas Securities, LLC | $51,000 | 125,000 | New |
| 13 | Verde Servicos Internacionais S.A. | $25,000 | 5,700 | Hold |
| 14 | Hurley Capital, LLC | $0 | 0 | Exited |
| 15 | OSAIC HOLDINGS, INC. | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31