Petroleo Brasileiro SA Petrobras PBR
Ownership & positioning
Who holds it, who is betting against it, and where the big money is moving
Short-sale volume as % of daily volume
Large-order net flow, last 20 sessions
Net of large-order buying minus selling, in USD. Over this window: −$31.80M (9 inflow days, 11 outflow days).
Net flow by order size, last 20 sessions
Super/Big orders approximate institutional-size trades; Mid/Small approximate retail-size trades. Net buy minus sell value in each bucket, summed over the window.
The five largest holders on file together own 51.5% of shares outstanding.
Largest holders
By investor type
Reported short interest has risen from 0.63% to 0.82% of float over the last 6 biweekly reports (31 Jul 2026 to 15 Oct 2026).
Recent institutional activity
| Holder | Type | Period | Share change | New stake |
|---|---|---|---|---|
| Vanguard Capital Management, LLC | Mutual Fund | 2026/Q3 | +4,806,452 | 2.8% |
| Mirae Asset Global Investments Co., Ltd | Mutual Fund | 2026/Q3 | +1,599,288 | 0.0% |
| BlackRock | Mutual Fund | 2026/Q3 | +44,886,276 | 6.0% |
| Vanguard Capital Management, LLC | Mutual Fund | 2026/Q3 | +3,330,041 | 2.8% |
| Jane Street Group, LLC | Private Company | 2026/Q3 | +15,197,841 | 0.3% |
| Capital Research | Mutual Fund | 2026/Q3 | +12,885,997 | 1.2% |
| State of Wisconsin Investment Board | Government Pension Fund | 2026/Q3 | +7,948,500 | 0.1% |
| Renaissance Technologies Corp. | Hedge Fund | 2026/Q3 | +7,396,600 | 0.3% |
| Boston Partners Global Investors, Inc. | Mutual Fund | 2026/Q3 | +6,483,180 | 0.7% |
| Voloridge Investment Management, LLC | Hedge Fund | 2026/Q3 | +6,379,407 | 0.1% |
| Qube Research & Technologies Ltd | Mutual Fund | 2026/Q3 | +5,481,282 | 0.1% |
| Carrhae Capital, LLP | Hedge Fund | 2026/Q3 | +5,411,909 | 0.1% |
| Bridgewater Associates | Hedge Fund | 2026/Q3 | +5,373,569 | 0.1% |
| AllianceBernstein | Mutual Fund | 2026/Q3 | +4,737,250 | 0.1% |
| Schonfeld Strategic Advisors LLC | Hedge Fund | 2026/Q3 | +4,538,813 | 0.1% |
Institutional buy/sell activity by reporting period, largest moves first.
Insider transactions
| Date | Insider | Title | Transaction | Shares | Price | Held after |
|---|---|---|---|---|---|---|
| 13 Sep 2026 | Marcelo Pogliese | Non-Independent Director | Private Disposition | -225 | $9.46 | – |
| 13 Sep 2026 | Marcelo Pogliese | Non-Independent Director | Private Disposition | -46 | $10.44 | – |
| 11 Jun 2026 | Fernando Melgarejo | Executive Director-Finance & IR, CFO, Chief Investor Relations Officer & Member of Executive Board | Derivative Sale to Issuer | -1,757 | – | 21,071 |
| 2 Jun 2026 | Renata Faria Baruzzi Lopes | Chief Engineering, Technology, & Innovation Officer and Member of Executive Board | Derivative Sale to Issuer | -1,733 | – | 21,431 |
| 14 May 2026 | William da Silva | Chief Industrial Processes & Products Officer and Member of Executive Board | Derivative Sale to Issuer | -6,840 | – | 33,419 |
| 13 May 2026 | Clarice Coppetti | Chief Corporate Affairs Officer & Member of Executive Board | Derivative Sale to Issuer | -9,910 | – | 32,965 |
| 15 Apr 2026 | Marcelo da Silva | Independent Director | Initial Statement of Beneficial | +0 | – | 3,250 |
| 1 Apr 2026 | Claudio Schlosser | Former Chief Logistics, Sales & Markets Officer and Member of Executive Board | Derivative Sale to Issuer | -3,211 | $50.44 | 23,116 |
| 1 Apr 2026 | Angelica Garcia Laureano | Chief Logistics, Commercialization & Markets Officer and Member of Executive Board | Private Acquisition | +1,000 | $9.49 | 3,659 |
| 31 Mar 2026 | Angelica Garcia Laureano | Chief Logistics, Commercialization & Markets Officer and Member of Executive Board | Private Disposition | -19 | $9.09 | 3,659 |
| 16 Mar 2026 | Claudio Schlosser | Former Chief Logistics, Sales & Markets Officer and Member of Executive Board | Initial Statement of Beneficial | +0 | – | 45,306 |
| 16 Mar 2026 | Marcelo Pogliese | Non-Independent Director | Initial Statement of Beneficial | +0 | – | 225 |
| 12 Mar 2026 | Jose Joao Filho | Independent Director | Initial Statement of Beneficial | +0 | – | 223,273,700 |
| 12 Mar 2026 | Magda de Regina Chambriard | President, CEO, Member of Executive Board & Non-Independent Director | Initial Statement of Beneficial | +0 | – | 9,178 |
| 12 Mar 2026 | Fernando Melgarejo | Executive Director-Finance & IR, CFO, Chief Investor Relations Officer & Member of Executive Board | Initial Statement of Beneficial | +0 | – | 6,844 |
| 11 Mar 2026 | Clarice Coppetti | Chief Corporate Affairs Officer & Member of Executive Board | Initial Statement of Beneficial | +0 | – | 26,327 |
| 11 Mar 2026 | William da Silva | Chief Industrial Processes & Products Officer and Member of Executive Board | Initial Statement of Beneficial | +0 | – | 23,742 |
| 11 Mar 2026 | Angelica Garcia Laureano | Chief Logistics, Commercialization & Markets Officer and Member of Executive Board | Initial Statement of Beneficial | +0 | – | 2,685 |
| 10 Mar 2026 | Sylvia Couto dos Anjos | Chief Exploration & Production Officer and Member of Executive Board | Initial Statement of Beneficial | +0 | – | 9,693 |
| 4 Mar 2026 | Renata Faria Baruzzi Lopes | Chief Engineering, Technology, & Innovation Officer and Member of Executive Board | Initial Statement of Beneficial | +0 | – | 6,748 |
From Form 4/Form 144 filings. Negative share counts are disposals (sales, gifts, or shares withheld for taxes); positive are acquisitions.
Short interest, by report
| Report date | Shares short | % of float | Days to cover |
|---|---|---|---|
| 15 Oct 2026 | 52,879,551 | 0.8% | 1.9 |
| 30 Sep 2026 | 35,656,035 | 0.6% | 1.8 |
| 15 Sep 2026 | 31,099,792 | 0.5% | 1.3 |
| 31 Aug 2026 | 31,928,583 | 0.5% | 1.5 |
| 14 Aug 2026 | 36,847,350 | 0.6% | 2.4 |
| 31 Jul 2026 | 40,920,034 | 0.6% | 2.9 |
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