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 IONZ 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/IONZ"
Use Arkolith to show who owns IONZ, 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. | $276K | 11K | ▼−49% Reduced · −11K sh | Q1 2026 | |
| 2 | GROUP ONE TRADING LLC | $5K | 219 | ▲New +219 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 |
|---|---|---|
| MICROSOFT CORPMSFT | 10 funds | $21.4B |
| BROADCOM INCAVGO | 10 funds | $13.3B |
| AMAZON.COM INCAMZN | 10 funds | $12.9B |
| ALPHABET INC-CL AGOOGL | 10 funds | $12.0B |
| META PLATFORMS INC-CLASS AMETA | 10 funds | $8.9B |
| JPMORGAN CHASE & COJPM | 10 funds | $7.6B |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 10 funds | $7.0B |
| TESLA INCTSLA | 10 funds | $6.2B |
| MICRON TECHNOLOGY INCMU | 10 funds | $5.9B |
| ELI LILLY & COLLY | 10 funds | $5.2B |
| VISA INC-CLASS A SHARESV | 10 funds | $5.0B |
| SPDR GOLD SHARESGLD | 10 funds | $4.5B |
Ranked by how many of IONZ'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 IONZ. 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.