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 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.
Sign in or subscribeLargest holders
| Manager | Shares | % of reported |
|---|---|---|
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 3.1M | 12.7% |
| Silver Point Capital L.P. | 2.6M | 10.7% |
| BlackRock, Inc. | 2.3M | 9.3% |
| STATE STREET CORP | 990.9K | 4.1% |
| FMR LLC | 861.9K | 3.5% |
| VANGUARD CAPITAL MANAGEMENT LLC | 666.0K | 2.7% |
| DIMENSIONAL FUND ADVISORS LP | 627.5K | 2.6% |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 558.7K | 2.3% |
| VICTORY CAPITAL MANAGEMENT INC | 530.6K | 2.2% |
| JENNISON ASSOCIATES LLC | 527.2K | 2.2% |
| T. Rowe Price Investment Management, Inc. | 524.8K | 2.2% |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 470.1K | 1.9% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 454.1K | 1.9% |
| HITE Hedge Asset Management LLC | 403.4K | 1.7% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 388.7K | 1.6% |
| GEODE CAPITAL MANAGEMENT, LLC | 386.9K | 1.6% |
| PRINCIPAL FINANCIAL GROUP INC | 377.2K | 1.5% |
| JPMORGAN CHASE & CO | 372.5K | 1.5% |
| Palo Duro Investment Partners, LP | 357.9K | 1.5% |
| Assenagon Asset Management S.A. | 344.0K | 1.4% |
| AMERICAN CENTURY COMPANIES INC | 338.6K | 1.4% |
| WHITEBOX ADVISORS LLC | 274.6K | 1.1% |
| WESTWOOD HOLDINGS GROUP INC | 248.6K | 1.0% |
| FRONTIER CAPITAL MANAGEMENT CO LLC | 240.8K | 1.0% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 239.6K | 1.0% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | Increased | 18.8K | 3.1M | +3.1M |
| BlackRock, Inc. | Increased | 1.2M | 2.3M | +1.1M |
| Gemsstock Ltd. | Reduced | 508.2K | 139.9K | -368.3K |
| HITE Hedge Asset Management LLC | Increased | 148.2K | 403.4K | +255.2K |
| Hancock Prospecting Pty Ltd | New | 0 | 227.5K | +227.5K |
| STATE STREET CORP | Increased | 764.8K | 990.9K | +226.1K |
| GOLDENTREE ASSET MANAGEMENT LP | Sold Out | 216.3K | 0 | -216.3K |
| T. Rowe Price Investment Management, Inc. | Increased | 371.2K | 524.8K | +153.6K |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 311.0K | 454.1K | +143.1K |
| AMERICAN CENTURY COMPANIES INC | Increased | 201.6K | 338.6K | +136.9K |
| Assenagon Asset Management S.A. | Reduced | 467.4K | 344.0K | -123.4K |
| JENNISON ASSOCIATES LLC | Reduced | 620.8K | 527.2K | -93.6K |
| MILLENNIUM MANAGEMENT LLC | Reduced | 202.5K | 109.8K | -92.6K |
| WELLINGTON MANAGEMENT GROUP LLP | Reduced | 119.1K | 29.6K | -89.5K |
| Alyeska Investment Group, L.P. | Sold Out | 78.1K | 0 | -78.1K |
| Pacer Advisors, Inc. | Increased | 1.7K | 79.5K | +77.8K |
| Zimmer Partners, LP | New | 0 | 76.0K | +76.0K |
| MACKENZIE FINANCIAL CORP | Reduced | 117.0K | 46.8K | -70.2K |
| SYSTEMATIC FINANCIAL MANAGEMENT LP | Increased | 101.7K | 171.0K | +69.3K |
| Bridgewater Associates, LP | Increased | 91.8K | 159.9K | +68.1K |
| PRINCIPAL FINANCIAL GROUP INC | Increased | 310.0K | 377.2K | +67.2K |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 137.2K | 75.0K | -62.2K |
| BANK OF AMERICA CORP /DE/ | Reduced | 152.2K | 97.0K | -55.2K |
| WHITEBOX ADVISORS LLC | Increased | 219.6K | 274.6K | +55.0K |
| FMR LLC | Reduced | 915.5K | 861.9K | -53.6K |
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.