266 tracked 13F filers disclose a position in GPOR as of the latest SEC 13F filings, a combined $3.5B in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Silver Point Capital L.P. | $442.5M | 2.6M | ▲~0% Added · +770 sh | Q2 2026 | |
| 2 | BlackRock, Inc. | $246.2M | 1.2M | ▲+0.5% Added · +6K sh | Q1 2026 | |
| 3 | STATE STREET CORP | $168.2M | 991K | ▲+30% Added · +226K sh | Q2 2026 | |
| 4 | FMR LLC | $193.7M | 916K | ▼−15% Reduced · −157K sh | Q1 2026 | |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | $147.9M | 699K | →First observed position No prior filed position | Q1 2026 | |
| 6 | DIMENSIONAL FUND ADVISORS LP | $133.3M | 630K | ▲+5.8% Added · +34K sh | Q1 2026 | |
| 7 | JENNISON ASSOCIATES LLC | $131.4M | 621K | ▼−7.5% Reduced · −51K sh | Q1 2026 | |
| 8 | VICTORY CAPITAL MANAGEMENT INC | $113.9M | 538K | ▲+2.1% Added · +11K sh | Q1 2026 | |
| 9 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $97.3M | 460K | ▲+3.1% Added · +14K sh | Q1 2026 | |
| 10 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $84.4M | 399K | ▲+13% Added · +46K sh | Q1 2026 | |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | $65.7M | 387K | ▲+2.5% Added · +9K sh | Q2 2026 | |
| 12 | T. Rowe Price Investment Management, Inc. | Withheld | 371K | ▲+25% Added · +73K sh | Q1 2026 | |
| 13 | JPMORGAN CHASE & CO | $76.7M | 357K | ▼−13% Reduced · −53K sh | Q1 2026 | |
| 14 | Palo Duro Investment Partners, LP | $74.5M | 352K | ▲+58% Added · +130K sh | Q1 2026 | |
| 15 | VANGUARD PORTFOLIO MANAGEMENT LLC | $65.8M | 311K | →First observed position No prior filed position | Q1 2026 | |
| 16 | PRINCIPAL FINANCIAL GROUP INC | $65.6M | 310K | ▼−12% Reduced · −41K sh | Q1 2026 | |
| 17 | WHITEBOX ADVISORS LLC | $46.6M | 275K | ▲+25% Added · +55K sh | Q2 2026 | |
| 18 | WESTWOOD HOLDINGS GROUP INC | $57.3M | 271K | ▲+7.4% Added · +19K sh | Q1 2026 | |
| 19 | FRONTIER CAPITAL MANAGEMENT CO LLC | $40.9M | 241K | ▲+8.5% Added · +19K sh | Q2 2026 | |
| 20 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $50.8M | 240K | ▲+4.9% Added · +11K sh | Q1 2026 | |
| 21 | Hancock Prospecting Pty Ltd | $38.6M | 228K | ▲New +228K sh | Q2 2026 | |
| 22 | Janus Henderson Group Ltd. | $47.3M | 224K | ▲+4.2% Added · +9K sh | Q1 2026 | |
| 23 | GREENLIGHT CAPITAL INC | $29.7M | 223K | ▲+5.9% Added · +12K sh | Q4 2023 | |
| 24 | GOLDENTREE ASSET MANAGEMENT LP | $45.8M | 216K | ▲+43% Added · +65K sh | Q1 2026 | |
| 25 | MILLENNIUM MANAGEMENT LLC | $42.8M | 202K | ▼−38% Reduced · −123K sh | Q1 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
Last quarter, 3 funds opened a new position in GPOR and 40 added to an existing one, while 21 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 141 funds | $213.5B |
| NVIDIA CORPNVDA | 134 funds | $310.7B |
| AMAZON.COM INCAMZN | 134 funds | $158.8B |
| BROADCOM INCAVGO | 133 funds | $131.4B |
| META PLATFORMS INC-CLASS AMETA | 133 funds | $91.2B |
| APPLE INCAAPL | 129 funds | $231.4B |
| ALPHABET INC-CL AGOOGL | 129 funds | $129.5B |
| ELI LILLY & COLLY | 128 funds | $64.5B |
| MASTERCARD INC - AMA | 126 funds | $45.7B |
| LAM RESEARCH CORPLRCX | 126 funds | $30.1B |
| CHEVRON CORPCVX | 126 funds | $22.5B |
| JPMORGAN CHASE & COJPM | 125 funds | $47.0B |
Ranked by how many of GPOR's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Sep 2, 2026 | Willrath Matthew | VP & CAO | Sell (S) | 325 | $59K |
| Aug 7, 2026 | DELL'OSSO DOMENIC J JR | President & CEO, Director | Buy (P) | 2K | $257K |
| Apr 2, 2026 | Martinez Jason Joseph | Director | Sell (S) | 400 | $85K |
| Mar 24, 2026 | Zitkus Lester | SVP, Land | Sell (S) | 2K | $401K |
| Mar 5, 2026 | SLUITER MICHAEL | SVP of Reservoir Engineering | Sell (S) | 2K | $438K |
| Mar 5, 2026 | Craine Patrick K. | CLAO and Corp Secretary | Sell (S) | 1K | $210K |
| Mar 5, 2026 | Craine Patrick K. | CLAO and Corp Secretary | Sell (S) | 1K | $208K |
| Mar 5, 2026 | Willrath Matthew | VP & CAO | Sell (S) | 497 | $107K |
| Mar 4, 2026 | Cutt Timothy J. | Director | Sell (S) | 3K | $523K |
| Mar 3, 2026 | Silver Point Capital L.P. | Director, 10% Owner | Sell (S) | 84K | $17.2M |
| Mar 2, 2026 | Silver Point Capital L.P. | Director, 10% Owner | Sell (S) | 760K | $155.2M |
| Mar 2, 2026 | HODGES MICHAEL L | EVP & CFO | Sell (S) | 2K | $350K |
Connected entities for GPOR
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/GPOR/capital-change-brief"
Use Arkolith's capital_change_brief for GPOR. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for GPOR. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.