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 MHI 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/MHI"
Use Arkolith to show who owns MHI, which funds added or reduced it, and which SEC filings prove each claim.
Not held in any tracked 13F filing yet.
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 |
|---|---|---|---|---|---|
| Aug 27, 2025 | Weinstein Boaz | 10% Owner | Other (J) | 4.2M | $36.1M |
| Aug 18, 2025 | Banc of America Preferred Funding Corp | 10% Owner | Other (J) | 500 | — |
| Apr 22, 2025 | Weinstein Boaz | 10% Owner | Buy (P) | 9K | $82K |
| Apr 21, 2025 | Weinstein Boaz | 10% Owner | Buy (P) | 13K | $116K |
| Apr 11, 2025 | Weinstein Boaz | 10% Owner | Buy (P) | 44K | $378K |
| Apr 7, 2025 | Saba Capital Management, L.P. | 10% Owner | Buy (P) | 4K | $34K |
| Jan 13, 2025 | Saba Capital Management, L.P. | 10% Owner | Buy (P) | 13K | $123K |
| Jan 8, 2025 | Saba Capital Management, L.P. | 10% Owner | Buy (P) | 5K | $44K |
| Jan 2, 2025 | Saba Capital Management, L.P. | 10% Owner | Buy (P) | 6K | $55K |
| Dec 30, 2024 | Weinstein Boaz | 10% Owner | Buy (P) | 21K | $198K |
| Dec 27, 2024 | Weinstein Boaz | 10% Owner | Buy (P) | 29K | $270K |
| Dec 26, 2024 | Weinstein Boaz | 10% Owner | Buy (P) | 39K | $366K |
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for MHI. 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.