GPOR Gulfport Energy Corporation
Gulfport Energy Corporation (GPOR) Institutional Ownership
What the institutions did with GPOR 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 September 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 |
|---|---|---|
| DIMENSIONAL FUND ADVISORS LP | 622.1K | 22.8% |
| GEODE CAPITAL MANAGEMENT, LLC | 385.6K | 14.1% |
| PRINCIPAL FINANCIAL GROUP INC | 341.9K | 12.5% |
| Pictet Asset Management Holding SA | 157.7K | 5.8% |
| FORT WASHINGTON INVESTMENT ADVISORS INC /OH/ | 142.1K | 5.2% |
| Penn Capital Management Company, LLC | 102.5K | 3.8% |
| MacKay Shields LLC | 97.5K | 3.6% |
| Bank of New York Mellon Corp | 88.2K | 3.2% |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 82.0K | 3.0% |
| Tributary Capital Management, LLC | 70.4K | 2.6% |
| CITIGROUP INC | 59.0K | 2.2% |
| Thrivent Financial for Lutherans | 57.6K | 2.1% |
| CONGRESS ASSET MANAGEMENT CO | 52.9K | 1.9% |
| Russell Investments Group, Ltd. | 48.8K | 1.8% |
| MACKENZIE FINANCIAL CORP | 46.0K | 1.7% |
| LSV ASSET MANAGEMENT | 35.8K | 1.3% |
| BARCLAYS PLC | 35.8K | 1.3% |
| Creative Planning | 29.1K | 1.1% |
| Azarias Capital Management, L.P. | 24.1K | 0.9% |
| KING LUTHER CAPITAL MANAGEMENT CORP | 24.0K | 0.9% |
| EXCHANGE TRADED CONCEPTS, LLC | 23.1K | 0.8% |
| MILLER HOWARD INVESTMENTS INC /NY | 21.6K | 0.8% |
| DEUTSCHE BANK AG\ | 16.5K | 0.6% |
| Americana Partners, LLC | 14.6K | 0.5% |
| FIFTH THIRD BANCORP | 13.3K | 0.5% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| Assenagon Asset Management S.A. | Sold Out | 344.0K | 0 | -344.0K |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | Reduced | 156.7K | 82.0K | -74.6K |
| CITIGROUP INC | Increased | 23.2K | 59.0K | +35.9K |
| PRINCIPAL FINANCIAL GROUP INC | Reduced | 377.2K | 341.9K | -35.3K |
| EXCHANGE TRADED CONCEPTS, LLC | New | 0 | 23.1K | +23.1K |
| Azarias Capital Management, L.P. | Reduced | 46.4K | 24.1K | -22.3K |
| Artemis Investment Management LLP | Sold Out | 17.3K | 0 | -17.3K |
| Y-Intercept (Hong Kong) Ltd | Sold Out | 14.5K | 0 | -14.5K |
| VIKING FUND MANAGEMENT LLC | Sold Out | 10.0K | 0 | -10.0K |
| WESBANCO BANK INC | Sold Out | 9.9K | 0 | -9.9K |
| Thrivent Financial for Lutherans | Increased | 47.8K | 57.6K | +9.8K |
| TECTONIC ADVISORS LLC | Sold Out | 9.5K | 0 | -9.5K |
| CONGRESS ASSET MANAGEMENT CO | Increased | 43.5K | 52.9K | +9.4K |
| PINNACLE ASSOCIATES LTD | New | 0 | 8.4K | +8.4K |
| Livforsakringsbolaget Skandia, Omsesidigt | Sold Out | 7.7K | 0 | -7.7K |
| Illinois Municipal Retirement Fund | New | 0 | 7.5K | +7.5K |
| FIFTH THIRD BANCORP | Increased | 5.9K | 13.3K | +7.3K |
| Russell Investments Group, Ltd. | Increased | 42.2K | 48.8K | +6.6K |
| Louisiana State Employees Retirement System | New | 0 | 6.3K | +6.3K |
| Tributary Capital Management, LLC | Increased | 64.4K | 70.4K | +6.0K |
| DIMENSIONAL FUND ADVISORS LP | Reduced | 627.5K | 622.1K | -5.4K |
| BAILARD, INC. | Sold Out | 5.1K | 0 | -5.1K |
| NATIXIS | Sold Out | 4.6K | 0 | -4.6K |
| BARCLAYS PLC | Increased | 31.5K | 35.8K | +4.3K |
| Creative Planning | Increased | 25.3K | 29.1K | +3.8K |
| Savant Capital, LLC | New | 0 | 3.7K | +3.7K |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | Sold Out | 3.4K | 0 | -3.4K |
| Maryland State Retirement & Pension System | New | 0 | 3.3K | +3.3K |
| RFG Advisory, LLC | New | 0 | 3.1K | +3.1K |
| State of Alaska, Department of Revenue | Reduced | 8.8K | 6.4K | -2.4K |
| Pinnacle Wealth Management Advisory Group, LLC | New | 0 | 1.8K | +1.8K |
| YOUSIF CAPITAL MANAGEMENT, LLC | Increased | 2.0K | 3.8K | +1.7K |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM | Increased | 439 | 2.1K | +1.7K |
| Ashton Thomas Private Wealth, LLC | Sold Out | 1.7K | 0 | -1.7K |
| Fulcrum Asset Management LLP | New | 0 | 1.7K | +1.7K |
| Financiere des Professionnels - Fonds d'investissement inc. | Sold Out | 1.4K | 0 | -1.4K |
| GEODE CAPITAL MANAGEMENT, LLC | Reduced | 386.9K | 385.6K | -1.4K |
| WOODSTOCK CORP | Sold Out | 1.3K | 0 | -1.3K |
| Inspire Investing, LLC | Sold Out | 1.2K | 0 | -1.2K |
| Penn Capital Management Company, LLC | Reduced | 103.6K | 102.5K | -1.1K |
| DEUTSCHE BANK AG\ | Reduced | 17.6K | 16.5K | -1.1K |
| STRS OHIO | Sold Out | 1.0K | 0 | -1.0K |
| GF FUND MANAGEMENT CO. LTD. | Reduced | 3.3K | 2.3K | -972 |
| MACKENZIE FINANCIAL CORP | Reduced | 46.8K | 46.0K | -826 |
| PNC Financial Services Group, Inc. | Increased | 2.6K | 3.5K | +826 |
| AZZAD ASSET MANAGEMENT INC /ADV | Increased | 4.5K | 5.2K | +660 |
| Caitong International Asset Management Co., Ltd | Reduced | 1.8K | 1.2K | -603 |
| Covestor Ltd | Increased | 472 | 1.1K | +595 |
| Bank of New York Mellon Corp | Reduced | 88.8K | 88.2K | -594 |
| LPL Financial LLC | Increased | 6.0K | 6.6K | +573 |
| US BANCORP \DE\ | Increased | 1.0K | 1.5K | +489 |
| SIGNATUREFD, LLC | Increased | 217 | 682 | +465 |
| ASSETMARK, INC | Increased | 1.6K | 1.9K | +395 |
| MILLER HOWARD INVESTMENTS INC /NY | Increased | 21.3K | 21.6K | +374 |
| State of Wyoming | Sold Out | 359 | 0 | -359 |
| KEYBANK NATIONAL ASSOCIATION/OH | Reduced | 5.5K | 5.1K | -320 |
| Bayforest Capital Ltd | Sold Out | 316 | 0 | -316 |
| Pinnacle Wealth Planning Services, Inc. | Increased | 36 | 325 | +289 |
| Sterling Capital Management LLC | Increased | 3.4K | 3.7K | +265 |
| SIMPLEX TRADING, LLC | New | 0 | 253 | +253 |
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.