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 RSMC 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/RSMC"
Use Arkolith to show who owns RSMC, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | StoneX Group Inc. | $23.9M | 962K | ▲+3.7% Added · +34K sh | Q1 2026 | |
| 2 | GC Wealth Management RIA, LLC | $3.8M | 155K | —Held | Q1 2026 | |
| 3 | Haverford Trust Co | $800K | 32K | —Held | Q1 2026 | |
| 4 | COMMERCE BANK | $533K | 21K | ▲New +21K sh | Q1 2026 | |
| 5 | Cresset Asset Management, LLC | $230K | 9K | —Held | Q1 2026 | |
| 6 | Clearstead Advisors, LLC | $170K | 7K | ▼−37% Reduced · −4K 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 |
|---|---|---|
| APPLE INCAAPL | 8 funds | $4.5B |
| MICROSOFT CORPMSFT | 8 funds | $4.1B |
| NVIDIA CORPNVDA | 8 funds | $3.3B |
| AMAZON.COM INCAMZN | 8 funds | $3.1B |
| ALPHABET INC-CL AGOOGL | 8 funds | $3.1B |
| ALPHABET INC-CL CGOOG | 8 funds | $1.4B |
| VANGUARD TOTAL STOCK MKT ETFVTI | 8 funds | $1.1B |
| EXXON MOBIL CORPXOM | 8 funds | $682.7M |
| VANGUARD FTSE DEVELOPED ETFVEA | 8 funds | $645.4M |
| WALMART INCWMT | 8 funds | $499.8M |
| ISHARES MSCI EAFE ETFEFA | 8 funds | $472.3M |
| ISHARES RUSSELL MID-CAP ETFIWR | 8 funds | $351.4M |
Ranked by how many of RSMC'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 RSMC. 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.