431 tracked 13F filers disclose a position in MTDR as of the latest SEC 13F filings, a combined $5.7B 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 | BlackRock, Inc. | $703.7M | 11.1M | ▲+3.1% Added · +336K sh | Q1 2026 | |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | $534.8M | 8.5M | →First observed position No prior filed position | Q1 2026 | |
| 3 | DIMENSIONAL FUND ADVISORS LP | $439.0M | 6.9M | ▲+4.2% Added · +278K sh | Q1 2026 | |
| 4 | STATE STREET CORP | $260.9M | 5.2M | ▲+2.1% Added · +108K sh | Q2 2026 | |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | $320.4M | 5.1M | →First observed position No prior filed position | Q1 2026 | |
| 6 | T. Rowe Price Investment Management, Inc. | Withheld | 3.7M | ▲+8.1% Added · +280K sh | Q1 2026 | |
| 7 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $191.8M | 3.0M | ▼−9.8% Reduced · −330K sh | Q1 2026 | |
| 8 | ALLIANCEBERNSTEIN L.P. | $112.8M | 2.7M | ▲+3.0% Added · +78K sh | Q1 2026 | |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | $117.8M | 2.4M | ▲+1.6% Added · +37K sh | Q2 2026 | |
| 10 | AMERICAN CENTURY COMPANIES INC | $140.0M | 2.2M | ▲+22% Added · +401K sh | Q1 2026 | |
| 11 | MORGAN STANLEY | $137.1M | 2.2M | ▼−7.7% Reduced · −182K sh | Q1 2026 | |
| 12 | FIRST TRUST ADVISORS LP | $100.8M | 1.6M | ▲+103% Added · +811K sh | Q1 2026 | |
| 13 | AQR CAPITAL MANAGEMENT LLC | $97.3M | 1.5M | ▲+38% Added · +422K sh | Q1 2026 | |
| 14 | SILVERCREST ASSET MANAGEMENT GROUP LLC | $88.4M | 1.4M | ▼−7.9% Reduced · −121K sh | Q1 2026 | |
| 15 | CIBC Bancorp USA Inc. | $86.3M | 1.4M | ▲New +1.4M sh | Q1 2026 | |
| 16 | BECK MACK & OLIVER LLC | $85.8M | 1.4M | ▼−5.2% Reduced · −74K sh | Q1 2026 | |
| 17 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $80.6M | 1.3M | ▲+4.3% Added · +52K sh | Q1 2026 | |
| 18 | Copeland Capital Management, LLC | $61.9M | 1.2M | ▼−4.7% Reduced · −62K sh | Q2 2026 | |
| 19 | Bank of New York Mellon Corp | $74.9M | 1.2M | ▲+2.3% Added · +26K sh | Q1 2026 | |
| 20 | VICTORY CAPITAL MANAGEMENT INC | $65.7M | 1.0M | ▼−13% Reduced · −159K sh | Q1 2026 | |
| 21 | NORTHERN TRUST CORP | $64.3M | 1.0M | ▲+2.5% Added · +25K sh | Q1 2026 | |
| 22 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | $66.7M | 1.0M | ▼−20% Reduced · −257K sh | Q1 2026 | |
| 23 | Clearbridge Investments, LLC | $63.6M | 1.0M | ▼−43% Reduced · −772K sh | Q1 2026 | |
| 24 | FRANKLIN RESOURCES INC | $63.0M | 997K | ▲+19% Added · +159K sh | Q1 2026 | |
| 25 | Nuveen, LLC | $59.1M | 935K | ▼−0.5% Reduced · −5K 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, 8 funds opened a new position in MTDR and 24 added to an existing one, while 29 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 | 241 funds | $264.1B |
| AMAZON.COM INCAMZN | 238 funds | $191.3B |
| ALPHABET INC-CL AGOOGL | 236 funds | $166.7B |
| APPLE INCAAPL | 235 funds | $290.2B |
| META PLATFORMS INC-CLASS AMETA | 235 funds | $109.3B |
| NVIDIA CORPNVDA | 233 funds | $374.0B |
| ALPHABET INC-CL CGOOG | 228 funds | $117.8B |
| BROADCOM INCAVGO | 227 funds | $151.9B |
| JPMORGAN CHASE & COJPM | 227 funds | $63.8B |
| ELI LILLY & COLLY | 224 funds | $75.2B |
| CHEVRON CORPCVX | 220 funds | $33.4B |
| VISA INC-CLASS A SHARESV | 219 funds | $59.9B |
Ranked by how many of MTDR's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 27, 2026 | Calvert Christopher P | EVP and CFO | Buy (P) | 3K | $142K |
| Aug 26, 2026 | Foran Joseph Wm | Chairman and CEO, Director | Buy (P) | 555 | $30K |
| Aug 17, 2026 | Foran Joseph Wm | Chairman and CEO, Director | Buy (P) | 400 | $21K |
| Aug 13, 2026 | Foran Joseph Wm | Chairman and CEO, Director | Buy (P) | 5K | $257K |
| Aug 12, 2026 | Foran Joseph Wm | Chairman and CEO, Director | Buy (P) | 10K | $522K |
| Aug 11, 2026 | Foran Joseph Wm | Chairman and CEO, Director | Buy (P) | 709 | $37K |
| Aug 10, 2026 | Elsener William Thomas | EVP, Reservoir Engineering | Buy (P) | 850 | $43K |
| Aug 10, 2026 | Foran Joseph Wm | Chairman and CEO, Director | Buy (P) | 3K | $160K |
| Jun 15, 2026 | Baty Robert Gaines | Director | Buy (P) | 500 | $26K |
| Jun 9, 2026 | Stetson Glenn W | EVP and COO | Buy (P) | 500 | $27K |
| Jun 9, 2026 | Foran Joseph Wm | Chairman and CEO, Director | Buy (P) | 2K | $106K |
| Jun 8, 2026 | Ehrman Monika U | Director | Buy (P) | 362 | $20K |
| Class | 13F holders | Value held |
|---|---|---|
| MTDRthis pagecs | 431 funds | $5.7B |
| 576485AG1Corporate Bond - Domestic | 1 funds | $81K |
| 576485AH9Corporate Bond - Domestic | 1 funds | $75K |
| 576485AJ5Corporate Bond - Domestic | 1 funds | $75K |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
Connected entities for MTDR
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/MTDR/capital-change-brief"
Use Arkolith's capital_change_brief for MTDR. 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 MTDR. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.