Who Owns RING ENERGY INC (REI)? -- Institutional Holders (2026-06-30)
170 institutions reported holding $139.1M of RING ENERGY INC (REI) in SEC 13F filings for 2026-06-30. Largest institutional holders: PEAK6 LLC ($18.4M), VANGUARD GROUP INC ($15.9M), BlackRock, Inc. ($13.1M), ADAGE CAPITAL PARTNERS GP, L.L.C. ($11.5M), TWO SIGMA INVESTMENTS, LP ($8.7M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | PEAK6 LLC | $18.4M | 17.1M | Added |
| 2 | VANGUARD GROUP INC | $15.9M | 14.7M | Added |
| 3 | BlackRock, Inc. | $13.1M | 12.1M | Added |
| 4 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $11.5M | 10.7M | New |
| 5 | TWO SIGMA INVESTMENTS, LP | $8.7M | 8.0M | Added |
| 6 | BARCLAYS PLC | $8.0M | 7.4M | Added |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | $4.9M | 4.6M | Added |
| 8 | RENAISSANCE TECHNOLOGIES LLC | $4.4M | 4.1M | Added |
| 9 | ACADIAN ASSET MANAGEMENT LLC | $3.8M | 3.6M | Added |
| 10 | CDC Financial, Inc. | $3.8M | 3.5M | Added |
| 11 | UBS Group AG | $3.3M | 3.1M | Trimmed |
| 12 | Connor, Clark & Lunn Investment Management Ltd. | $3.2M | 2.9M | Added |
| 13 | FIRST TRUST ADVISORS LP | $2.9M | 2.7M | New |
| 14 | STATE STREET CORP | $2.7M | 2.5M | Added |
| 15 | CITIGROUP INC | $2.6M | 2.4M | Added |
| 16 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $2.3M | 2.2M | Added |
| 17 | GOLDMAN SACHS GROUP INC | $1.6M | 1.5M | Added |
| 18 | NORTHERN TRUST CORP | $1.6M | 1.5M | Added |
| 19 | Nierenberg Investment Management Company, Inc. | $1.5M | 1.4M | New |
| 20 | Empowered Funds, LLC | $1.4M | 1.3M | Added |
| 21 | De Lisle Partners LLP | $1.2M | 1.1M | Added |
| 22 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $1.2M | 1.1M | Trimmed |
| 23 | Bank of New York Mellon Corp | $1.2M | 1.1M | Added |
| 24 | PLUSTICK MANAGEMENT LLC | $1.1M | 1.0M | New |
| 25 | GROUP ONE TRADING LLC | $1.0M | 944,700 | Added |
Source: SEC Form 13F filings · as of 2026-06-30