Gulfport Energy Corp. 13F holders
Of the 44 funds followed here, 8 reported a position in Gulfport Energy Corp. in a 13F for the quarter ended 30 June 2026. The largest: FMR LLC, 861,942 shares worth $146.3 million, 0.0% of its reported book. Sold out: Alyeska.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| FMR LLC | 861,942 | $146.3 million | 0.0% | -53,592 | trimmed | 30 June 2026 | 13F |
| Geode Capital Management | 386,941 | $65.7 million | 0.0% | +9,272 | added | 30 June 2026 | 13F |
| Greenlight Capital | 222,970 | $29.7 million | 1.5% | +12,450 | added | 31 December 2023 | 13F |
| Bridgewater Associates | 159,943 | $27.1 million | 0.1% | +68,108 | added | 30 June 2026 | 13F |
| Millennium Management | 109,831 | $18.6 million | 0.0% | -92,647 | trimmed | 30 June 2026 | 13F |
| Renaissance Technologies | 75,000 | $12.7 million | 0.0% | -62,200 | trimmed | 30 June 2026 | 13F |
| Citadel Advisors | 63,803 | $10.8 million | 0.0% | +8,801 | added | 30 June 2026 | 13F |
| Two Sigma Investments | 13,340 | $2.3 million | 0.0% | -13,330 | trimmed | 30 June 2026 | 13F |
| Alyeska | 0 | $0 | 0.0% | -78,141 | exited | 30 June 2026 | 13F |
Value is what the fund reported.
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Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 7 August 2026 | 13G | State Street Corporation and 1 other | 990,939 | 5.5% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 8 July 2026 | 13G/A | BlackRock, Inc. and 1 other | 2.2 million | 12.5% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 6 May 2026 | 13G/A | Fmr Llc and 3 others | 915,534 | 4.9% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 27 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
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Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short.Fails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 10 September 2026 | 201 | $176.33 | SEC |
| 2 September 2026 | 1,836 | $182.61 | SEC |
| 1 September 2026 | 1,528 | $179.45 | SEC |
| 21 August 2026 | 137 | $174.35 | SEC |
| 18 August 2026 | 217 | $169.60 | SEC |
| 17 August 2026 | 3,260 | $170.03 | SEC |
| 11 August 2026 | 5,000 | $168.01 | SEC |
| 4 August 2026 | 68 | $163.84 | SEC |
| 3 August 2026 | 9 | $161.37 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.
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Largest in the window: 5,000 on 11 August 2026. A fail is an operational fact about settlement, not a position.Source
Each fund's 13F-HR on EDGAR, linked per row; positions matched to GPOR by CUSIP from the SEC's own fails-to-deliver files; Schedule 13D and 13G from the company's own filing index, each read to confirm the company is the issuer named.
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