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 MSTB 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/MSTB"
Use Arkolith to show who owns MSTB, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | CreativeOne Wealth, LLC | $8.4M | 221K | ▼−6.0% Reduced · −14K sh | Q1 2026 | |
| 2 | Sigma Planning Corp | $6.1M | 158K | ▲+8.5% Added · +12K sh | Q1 2026 | |
| 3 | WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | $868K | 22K | ▼−62% Reduced · −36K sh | Q1 2026 | |
| 4 | Mutual Advisors, LLC | $813K | 21K | —Held | Q1 2026 | |
| 5 | AlphaCore Capital LLC | $343K | 9K | —Held | Q1 2026 | |
| 6 | IFP Advisors, Inc | $38 | 1 | ▼−97% Reduced · −32 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 |
|---|---|---|
| ISHARES CORE S&P 500 ETFIVV | 8 funds | $3.9B |
| ISHARES CORE U.S. AGGREGATEAGG | 8 funds | $1.8B |
| MICROSOFT CORPMSFT | 8 funds | $1.8B |
| APPLE INCAAPL | 8 funds | $1.6B |
| AMAZON.COM INCAMZN | 8 funds | $1.4B |
| NVIDIA CORPNVDA | 8 funds | $1.3B |
| VANGUARD S&P 500 ETFVOO | 8 funds | $1.3B |
| ALPHABET INC-CL AGOOGL | 8 funds | $1.1B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 8 funds | $912.6M |
| STE STR SPDR PT S&P 500 ETFSPYM | 8 funds | $856.9M |
| VANGUARD FTSE EMERGING MARKEVWO | 8 funds | $851.0M |
| SS SPDR S&P 500 ETF TRUST-USSPY | 8 funds | $824.0M |
Ranked by how many of MSTB'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 MSTB. 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.