REI Ring Energy, Inc.
Ring Energy, Inc. (REI) Institutional Ownership
What the institutions did with REI last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
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Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| PEAK6 LLC | 17.1M | 13.9% |
| BlackRock, Inc. | 12.1M | 9.9% |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 10.7M | 8.7% |
| VANGUARD CAPITAL MANAGEMENT LLC | 8.9M | 7.3% |
| TWO SIGMA INVESTMENTS, LP | 8.0M | 6.6% |
| BARCLAYS PLC | 7.4M | 6.0% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 4.6M | 3.8% |
| GEODE CAPITAL MANAGEMENT, LLC | 4.6M | 3.7% |
| RENAISSANCE TECHNOLOGIES LLC | 4.1M | 3.4% |
| ACADIAN ASSET MANAGEMENT LLC | 3.6M | 2.9% |
| CDC Financial, Inc. | 3.5M | 2.9% |
| UBS Group AG | 3.1M | 2.5% |
| Connor, Clark & Lunn Investment Management Ltd. | 2.9M | 2.4% |
| FIRST TRUST ADVISORS LP | 2.7M | 2.2% |
| STATE STREET CORP | 2.5M | 2.0% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 2.2M | 1.8% |
| GOLDMAN SACHS GROUP INC | 1.5M | 1.2% |
| NORTHERN TRUST CORP | 1.5M | 1.2% |
| Nierenberg Investment Management Company, LLC | 1.4M | 1.1% |
| Empowered Funds, LLC | 1.3M | 1.0% |
| VANGUARD FIDUCIARY TRUST CO | 1.1M | 0.9% |
| De Lisle Partners LLP | 1.1M | 0.9% |
| Bank of New York Mellon Corp | 1.1M | 0.9% |
| PLUSTICK MANAGEMENT LLC | 1.0M | 0.8% |
| SEGALL BRYANT & HAMILL, LLC | 937.0K | 0.8% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| PEAK6 LLC | Increased | 1.2M | 17.1M | +15.9M |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | New | 0 | 10.7M | +10.7M |
| BlackRock, Inc. | Increased | 1.7M | 12.1M | +10.4M |
| AMERIPRISE FINANCIAL INC | Sold Out | 6.7M | 0 | -6.7M |
| FIRST TRUST ADVISORS LP | New | 0 | 2.7M | +2.7M |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 2.0M | 4.6M | +2.6M |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | 3.0M | 526.7K | -2.5M |
| RENAISSANCE TECHNOLOGIES LLC | Increased | 1.6M | 4.1M | +2.5M |
| MILLENNIUM MANAGEMENT LLC | Reduced | 3.1M | 902.1K | -2.2M |
| Truffle Hound Capital, LLC | Sold Out | 2.0M | 0 | -2.0M |
| TWO SIGMA INVESTMENTS, LP | Increased | 6.1M | 8.0M | +2.0M |
| BARCLAYS PLC | Increased | 5.7M | 7.4M | +1.7M |
| STATE STREET CORP | Increased | 806.1K | 2.5M | +1.7M |
| JANE STREET GROUP, LLC | Sold Out | 1.5M | 0 | -1.5M |
| Nierenberg Investment Management Company, LLC | New | 0 | 1.4M | +1.4M |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 7.5M | 8.9M | +1.4M |
| CastleKnight Management LP | Sold Out | 1.4M | 0 | -1.4M |
| NORTHERN TRUST CORP | Increased | 347.8K | 1.5M | +1.1M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 3.5M | 4.6M | +1.1M |
| MARSHALL WACE, LLP | Sold Out | 1.1M | 0 | -1.1M |
| ACADIAN ASSET MANAGEMENT LLC | Increased | 2.5M | 3.6M | +1.0M |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Sold Out | 1.0M | 0 | -1.0M |
| PLUSTICK MANAGEMENT LLC | New | 0 | 1.0M | +1.0M |
| SEGALL BRYANT & HAMILL, LLC | New | 0 | 937.0K | +937.0K |
| CITADEL ADVISORS LLC | Sold Out | 738.2K | 0 | -738.2K |
| VICTORY CAPITAL MANAGEMENT INC | Increased | 20.4K | 757.9K | +737.5K |
| Alyeska Investment Group, L.P. | New | 0 | 714.4K | +714.4K |
| WINTON GROUP Ltd | Reduced | 948.9K | 306.3K | -642.6K |
| AMERICAN CENTURY COMPANIES INC | New | 0 | 502.2K | +502.2K |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Increased | 97.0K | 562.4K | +465.3K |
| Nuveen, LLC | New | 0 | 455.3K | +455.3K |
| Bank of New York Mellon Corp | Increased | 682.4K | 1.1M | +438.6K |
| De Lisle Partners LLP | Increased | 694.0K | 1.1M | +435.6K |
| RBF Capital, LLC | Reduced | 907.4K | 500.0K | -407.4K |
| Voleon Capital Management LP | Sold Out | 393.0K | 0 | -393.0K |
| GOLDMAN SACHS GROUP INC | Increased | 1.2M | 1.5M | +312.2K |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | Increased | 1.9M | 2.2M | +309.0K |
| HRT FINANCIAL LP | Sold Out | 303.6K | 0 | -303.6K |
| Connor, Clark & Lunn Investment Management Ltd. | Increased | 2.6M | 2.9M | +293.4K |
| Quadrature Capital Ltd | Reduced | 426.8K | 134.2K | -292.5K |
| CITIGROUP INC | Increased | 34.7K | 257.7K | +223.0K |
| OMERS ADMINISTRATION Corp | Sold Out | 208.8K | 0 | -208.8K |
| Schonfeld Strategic Advisors LLC | Increased | 122.7K | 325.4K | +202.7K |
| UBS Group AG | Reduced | 3.3M | 3.1M | -200.0K |
| SEI INVESTMENTS CO | New | 0 | 197.0K | +197.0K |
| DEUTSCHE BANK AG\ | New | 0 | 187.0K | +187.0K |
| CANADA PENSION PLAN INVESTMENT BOARD | Increased | 140.5K | 323.0K | +182.5K |
| ALGERT GLOBAL LLC | Increased | 227.8K | 402.2K | +174.4K |
| Catalyst Funds Management Pty Ltd | Sold Out | 168.5K | 0 | -168.5K |
| State of Wyoming | Reduced | 259.0K | 92.9K | -166.2K |
| Virtu Financial LLC | New | 0 | 165.8K | +165.8K |
| PRICE T ROWE ASSOCIATES INC /MD/ | New | 0 | 157.3K | +157.3K |
| Man Group plc | New | 0 | 153.9K | +153.9K |
| VANGUARD FIDUCIARY TRUST CO | Increased | 990.8K | 1.1M | +151.4K |
| RHUMBLINE ADVISERS | New | 0 | 146.9K | +146.9K |
| BANK OF AMERICA CORP /DE/ | Reduced | 286.0K | 139.2K | -146.8K |
| WELLS FARGO & COMPANY/MN | Increased | 26.9K | 173.5K | +146.6K |
| LAZARD ASSET MANAGEMENT LLC | New | 0 | 145.9K | +145.9K |
| MANGROVE PARTNERS IM, LLC | Sold Out | 145.8K | 0 | -145.8K |
| MORGAN STANLEY | Increased | 267.5K | 411.0K | +143.6K |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.