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 MAIN 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/MAIN"
Use Arkolith to show who owns MAIN, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | UBS Group AG | $70.9M | 1.3M | ▲+119% Added · +727K sh | Q1 2026 | |
| 2 | MORGAN STANLEY | $45.3M | 855K | ▼−1.5% Reduced · −13K sh | Q1 2026 | |
| 3 | Legal & General Group Plc | $41.5M | 784K | ▲+8.9% Added · +64K sh | Q1 2026 | |
| 4 | D. E. Shaw & Co., Inc. | $28.8M | 543K | ▲+95% Added · +265K sh | Q1 2026 | |
| 5 | TWO SIGMA INVESTMENTS, LP | $27.8M | 524K | ▲+624% Added · +452K sh | Q1 2026 | |
| 6 | Qube Research & Technologies Ltd | $25.7M | 486K | ▲+156% Added · +296K sh | Q1 2026 | |
| 7 | ADELL HARRIMAN & CARPENTER INC | $25.7M | 485K | ▲+1.3% Added · +6K sh | Q1 2026 | |
| 8 | BlackRock, Inc. | $22.5M | 424K | ▲+102% Added · +214K sh | Q1 2026 | |
| 9 | Sumitomo Mitsui Trust Group, Inc. | $19.6M | 371K | ▲+4.2% Added · +15K sh | Q1 2026 | |
| 10 | MILLENNIUM MANAGEMENT LLC | $19.1M | 360K | ▲+46% Added · +113K sh | Q1 2026 | |
| 11 | LPL Financial LLC | $18.4M | 348K | ▼−0.1% Reduced · −447 sh | Q1 2026 | |
| 12 | FRANKLIN RESOURCES INC | $17.0M | 321K | ▲+6.3% Added · +19K sh | Q1 2026 | |
| 13 | GOLDMAN SACHS GROUP INC | $16.6M | 313K | ▼−12% Reduced · −43K sh | Q1 2026 | |
| 14 | RAYMOND JAMES FINANCIAL INC | $13.9M | 264K | ▲+4.3% Added · +11K sh | Q1 2026 | |
| 15 | MARSHALL WACE, LLP | $10.9M | 205K | ▲New +205K sh | Q1 2026 | |
| 16 | Private Advisor Group, LLC | $9.0M | 170K | ▼−1.7% Reduced · −3K sh | Q1 2026 | |
| 17 | OSAIC HOLDINGS, INC. | $9.0M | 170K | ▼−0.6% Reduced · −1K sh | Q1 2026 | |
| 18 | JPMORGAN CHASE & CO | $8.7M | 168K | ▼−24% Reduced · −53K sh | Q1 2026 | |
| 19 | BENJAMIN EDWARDS INC | $8.1M | 154K | ▼−2.0% Reduced · −3K sh | Q1 2026 | |
| 20 | ROYAL BANK OF CANADA | $8.0M | 151K | ▲+1.1% Added · +2K sh | Q1 2026 | |
| 21 | Trexquant Investment LP | $7.5M | 142K | ▲+667% Added · +124K sh | Q1 2026 | |
| 22 | U.S. Capital Wealth Advisors, LLC | $7.4M | 139K | ▲+0.2% Added · +338 sh | Q1 2026 | |
| 23 | Joel Isaacson & Co., LLC | $6.8M | 129K | ▲+0.1% Added · +176 sh | Q1 2026 | |
| 24 | TCTC Holdings, LLC | $6.8M | 129K | ▲+1.7% Added · +2K sh | Q1 2026 | |
| 25 | ENVESTNET ASSET MANAGEMENT INC | $6.7M | 127K | ▲+167% Added · +80K 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 |
|---|---|---|---|---|---|
| Feb 13, 2026 | SOLCHER STEPHEN B | Director | Other (J) | 171 | $10K |
| Feb 13, 2026 | FOSTER VINCENT D | Director | Other (J) | 12 | $721 |
| Feb 13, 2026 | FOSTER VINCENT D | Director | Other (J) | 1K | $77K |
| Feb 13, 2026 | SHIVE DUNIA A | Director | Other (J) | 84 | $5K |
| Feb 13, 2026 | JACKSON JOHN EARL | Director | Other (J) | 8 | $480 |
| Feb 13, 2026 | JACKSON JOHN EARL | Director | Other (J) | 205 | $12K |
| Feb 13, 2026 | JACKSON JOHN EARL | Director | Other (J) | 78 | $5K |
| Feb 13, 2026 | Magdol David L. | PRESIDENT, CIO AND SMD | Other (J) | 57 | $3K |
| Feb 13, 2026 | Magdol David L. | PRESIDENT, CIO AND SMD | Other (J) | 53 | $3K |
| Feb 13, 2026 | Hyzak Dwayne L. | CEO, SMD, Director | Other (J) | 373 | $23K |
| Feb 13, 2026 | Beauvais Jason B | EVP, GC, SECRETARY | Other (J) | 103 | $6K |
| Feb 13, 2026 | Lane Brian E. | Director | Other (J) | 57 | $3K |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 135 funds | $33.2B |
| BROADCOM INCAVGO | 134 funds | $16.0B |
| AMAZON.COM INCAMZN | 133 funds | $25.1B |
| ALPHABET INC-CL AGOOGL | 133 funds | $22.2B |
| META PLATFORMS INC-CLASS AMETA | 133 funds | $14.5B |
| JPMORGAN CHASE & COJPM | 133 funds | $13.7B |
| ELI LILLY & COLLY | 133 funds | $8.3B |
| VISA INC-CLASS A SHARESV | 133 funds | $7.7B |
| CHEVRON CORPCVX | 133 funds | $5.1B |
| HONEYWELL INTERNATIONAL INCHON | 133 funds | $2.3B |
| NVIDIA CORPNVDA | 132 funds | $44.0B |
| COSTCO WHOLESALE CORPCOST | 132 funds | $6.9B |
Ranked by how many of MAIN'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 MAIN. 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.