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 MBND 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/MBND"
Use Arkolith to show who owns MBND, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | CWM, LLC | $3.6M | 134K | ▲+27% Added · +29K sh | Q1 2026 | |
| 2 | PATTEN & PATTEN INC/TN | $2.5M | 93K | ▼−0.3% Reduced · −250 sh | Q1 2026 | |
| 3 | Sanctuary Advisors, LLC | $220K | 8K | ▼−62% Reduced · −13K sh | Q1 2026 | |
| 4 | MAI Capital Management | $12K | 434 | ▼−51% Reduced · −452 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.
No Form 4 insider transactions on file yet.
| Company | Co-held by | Combined value |
|---|---|---|
| SS SPDR S&P 500 ETF TRUST-USSPY | 5 funds | $3.3B |
| MICROSOFT CORPMSFT | 5 funds | $3.2B |
| ISHARES CORE S&P 500 ETFIVV | 5 funds | $3.1B |
| NVIDIA CORPNVDA | 5 funds | $3.0B |
| ALPHABET INC-CL AGOOGL | 5 funds | $2.2B |
| BROADCOM INCAVGO | 5 funds | $1.6B |
| VANGUARD S&P 500 ETFVOO | 5 funds | $1.4B |
| JPMORGAN CHASE & COJPM | 5 funds | $1.3B |
| ALPHABET INC-CL CGOOG | 5 funds | $1.2B |
| META PLATFORMS INC-CLASS AMETA | 5 funds | $1.1B |
| ISHARES S&P 500 VALUE ETFIVE | 5 funds | $1.0B |
| ISHR CR UNVRSE USD BD ETF-UIIUSB | 5 funds | $954.7M |
Ranked by how many of MBND's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
No filings captured for this ticker in the live stream yet.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for MBND. 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.