The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This stock page is the Follow view. The Build view lets your agent query MNR owners, fund changes, insider filings, and source links through REST or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/MNR"
Use Arkolith to show who owns MNR, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | KAYNE ANDERSON CAPITAL ADVISORS LP | $265.4M | 19.0M | ▼−1.2% Reduced · −228K sh | Q1 2026 | |
| 2 | AMERICAN CENTURY COMPANIES INC | $33.0M | 2.4M | ▼−7.4% Reduced · −188K sh | Q1 2026 | |
| 3 | MORGAN STANLEY | $16.6M | 1.2M | ▲+11% Added · +115K sh | Q1 2026 | |
| 4 | GOLDMAN SACHS GROUP INC | $14.7M | 1.0M | ▼−46% Reduced · −877K sh | Q1 2026 | |
| 5 | ING GROEP NV | $14.2M | 1.0M | ▼−0.6% Reduced · −6K sh | Q1 2026 | |
| 6 | FIRST TRUST ADVISORS LP | $7.0M | 498K | ▼−7.7% Reduced · −41K sh | Q1 2026 | |
| 7 | RAYMOND JAMES FINANCIAL INC | $6.5M | 461K | ▲+26% Added · +96K sh | Q1 2026 | |
| 8 | CIBC Bancorp USA Inc. | $6.0M | 426K | ▲New +426K sh | Q1 2026 | |
| 9 | &PARTNERS | $3.7M | 265K | ▼−2.3% Reduced · −6K sh | Q1 2026 | |
| 10 | Chicago Partners Investment Group LLC | $3.2M | 247K | ▼−0.3% Reduced · −851 sh | Q1 2026 | |
| 11 | LPL Financial LLC | $2.7M | 193K | ▲New +193K sh | Q1 2026 | |
| 12 | FRANKLIN RESOURCES INC | $2.6M | 183K | ▼−0.9% Reduced · −2K sh | Q1 2026 | |
| 13 | STIFEL FINANCIAL CORP | $2.0M | 140K | ▼−40% Reduced · −92K sh | Q1 2026 | |
| 14 | JANE STREET GROUP, LLC | $1.2M | 87K | ▼−43% Reduced · −65K sh | Q1 2026 | |
| 15 | CITADEL ADVISORS LLC | $934K | 67K | ▼−23% Reduced · −20K sh | Q1 2026 | |
| 16 | BLAIR WILLIAM & CO/IL | $874K | 62K | ▲New +62K sh | Q1 2026 | |
| 17 | Bramshill Investments, LLC | $702K | 50K | ▲New +50K sh | Q1 2026 | |
| 18 | ENVESTNET ASSET MANAGEMENT INC | $700K | 50K | ▲New +50K sh | Q1 2026 | |
| 19 | SIGNATURE ESTATE & INVESTMENT ADVISORS LLC | $700K | 50K | ▲New +50K sh | Q1 2026 | |
| 20 | UBS Group AG | $664K | 47K | ▲47× Added · +46K sh | Q1 2026 | |
| 21 | Rockefeller Capital Management L.P. | $507K | 36K | ▲+31% Added · +9K sh | Q1 2026 | |
| 22 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $462K | 33K | ▲+39% Added · +9K sh | Q1 2026 | |
| 23 | Tidal Investments LLC | $296K | 21K | ▼−11% Reduced · −3K sh | Q1 2026 | |
| 24 | STEPHENS INC /AR/ | $285K | 20K | ▼−15% Reduced · −4K sh | Q1 2026 | |
| 25 | Verdence Capital Advisors LLC | $238K | 17K | ▲New +17K 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.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Mar 23, 2026 | McMullen William Wallace | Director, 10% Owner | Buy (P) | 3K | $44K |
| Mar 20, 2026 | Burn Christopher | Director | Buy (P) | 1K | $14K |
| Mar 20, 2026 | McMullen William Wallace | Director, 10% Owner | Buy (P) | 3K | $35K |
| Mar 19, 2026 | McMullen William Wallace | Director, 10% Owner | Buy (P) | 4K | $50K |
| Mar 19, 2026 | Burn Christopher | Director | Buy (P) | 1K | $14K |
| Feb 11, 2026 | Reel Michael E | See Remarks | Tax withholding (F) | 3K | $32K |
| Feb 11, 2026 | WHITE KEVIN R. | See Remarks | Tax withholding (F) | 6K | $71K |
| Feb 9, 2026 | KAYNE ANDERSON CAPITAL ADVISORS LP | 10% Owner | Other (J) | 228K | $3.3M |
| Feb 9, 2026 | Reel Michael E | See Remarks | Grant (A) | 5K | $65K |
| Feb 9, 2026 | WHITE KEVIN R. | See Remarks | Grant (A) | 12K | $150K |
| Jan 1, 2026 | Burn Christopher | Director | Grant (A) | 14K | $150K |
| Dec 9, 2025 | BAYOU CITY ENERGY MANAGEMENT LLC | 10% Owner | Buy (P) | 18K | $216K |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 18 funds | $8.6B |
| AMAZON.COM INCAMZN | 18 funds | $7.7B |
| ALPHABET INC-CL AGOOGL | 18 funds | $5.9B |
| META PLATFORMS INC-CLASS AMETA | 18 funds | $4.4B |
| BROADCOM INCAVGO | 18 funds | $4.1B |
| JPMORGAN CHASE & COJPM | 18 funds | $3.6B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 18 funds | $2.3B |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 18 funds | $2.3B |
| COSTCO WHOLESALE CORPCOST | 18 funds | $2.2B |
| TESLA INCTSLA | 18 funds | $2.0B |
| ELI LILLY & COLLY | 18 funds | $2.0B |
| ADVANCED MICRO DEVICESAMD | 18 funds | $2.0B |
Ranked by how many of MNR's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for MNR. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.