Who Owns PRAIRIE OPER CO (PROP)? -- Institutional Holders (2026-06-30)
146 institutions reported holding $15.4M of PRAIRIE OPER CO (PROP) in SEC 13F filings for 2026-06-30. Largest institutional holders: VANGUARD GROUP INC ($2.3M), AQR CAPITAL MANAGEMENT LLC ($1.7M), Arax Advisory Partners ($1.0M), LAZARD ASSET MANAGEMENT LLC ($820,918), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($772,179). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | VANGUARD GROUP INC | $2.3M | 3.2M | Added |
| 2 | AQR CAPITAL MANAGEMENT LLC | $1.7M | 2.4M | Added |
| 3 | Arax Advisory Partners | $1.0M | 1.4M | Added |
| 4 | LAZARD ASSET MANAGEMENT LLC | $820,918 | 1.1M | Added |
| 5 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $772,179 | 1.1M | Trimmed |
| 6 | UBS Group AG | $728,125 | 1.0M | Added |
| 7 | GROUP ONE TRADING LLC | $660,632 | 915,638 | Added |
| 8 | BlackRock, Inc. | $634,894 | 879,964 | Trimmed |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | $620,566 | 859,956 | Trimmed |
| 10 | SIMPLEX TRADING, LLC | $452,296 | 626,884 | Added |
| 11 | MILLENNIUM MANAGEMENT LLC | $379,420 | 525,876 | New |
| 12 | Corient Private Wealth LLC | $312,518 | 433,151 | Added |
| 13 | JANE STREET GROUP, LLC | $265,784 | 368,377 | Trimmed |
| 14 | MORGAN STANLEY | $264,434 | 366,506 | Trimmed |
| 15 | CITADEL ADVISORS LLC | $248,773 | 344,800 | Added |
| 16 | Fore Capital, LLC | $227,273 | 315,000 | New |
| 17 | STATE STREET CORP | $224,675 | 311,400 | Trimmed |
| 18 | ELCO Management Co., LLC | $217,870 | 301,968 | Added |
| 19 | TRANSCEND CAPITAL ADVISORS, LLC | $192,663 | 267,031 | New |
| 20 | GSA CAPITAL PARTNERS LLP | $191,000 | 264,466 | Added |
| 21 | Marex Group plc | $180,493 | 250,164 | Added |
| 22 | WELLINGTON MANAGEMENT GROUP LLP | $179,482 | 248,762 | Added |
| 23 | BNP PARIBAS FINANCIAL MARKETS | $172,737 | 239,414 | Added |
| 24 | HSBC HOLDINGS PLC | $154,435 | 227,110 | New |
| 25 | IMC-Chicago, LLC | $151,569 | 210,075 | Trimmed |
Source: SEC Form 13F filings · as of 2026-06-30