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 RIOX 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/RIOX"
Use Arkolith to show who owns RIOX, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | HUB Investment Partners, LLC | $356K | 24K | ▼−13% Reduced · −4K sh | Q1 2026 | |
| 2 | GROUP ONE TRADING LLC | $10K | 687 | ▲New +687 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.
| Class | 13F holders | Value held |
|---|---|---|
| IREETF | 9 funds | $4.9M |
| IONXETF | 8 funds | $2.7M |
| HIMZETF | 6 funds | $1.8M |
| 88636Y102ETF | 6 funds | $1.7M |
| RIOXthis pageDEFIANCE DAILY T | 5 funds | $3.5M |
| 88636Y409DEFIANCE DAILY T | 5 funds | $744K |
| 88636Y201ETF | 2 funds | $634K |
| 88636Y706DEFIANCE DAILY | 2 funds | $263K |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 5 funds | $12.4B |
| BROADCOM INCAVGO | 5 funds | $7.7B |
| AMAZON.COM INCAMZN | 5 funds | $7.3B |
| JPMORGAN CHASE & COJPM | 5 funds | $5.7B |
| META PLATFORMS INC-CLASS AMETA | 5 funds | $5.3B |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 5 funds | $3.8B |
| ELI LILLY & COLLY | 5 funds | $3.7B |
| VISA INC-CLASS A SHARESV | 5 funds | $3.7B |
| JOHNSON & JOHNSONJNJ | 5 funds | $2.5B |
| CISCO SYSTEMS INCCSCO | 5 funds | $2.5B |
| COSTCO WHOLESALE CORPCOST | 5 funds | $2.5B |
| HOME DEPOT INCHD | 5 funds | $2.4B |
Ranked by how many of RIOX'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 RIOX. 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.