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 HAO 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/HAO"
Use Arkolith to show who owns HAO, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | XTX Topco Ltd | $20K | 19K | ▲+20% Added · +3K sh | Q1 2026 | |
| 2 | UBS Group AG | $468 | 459 | ▲+24% Added · +89 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.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| May 19, 2026 | Fan Zhen | CEO & Chairman, Director, 10% Owner | Buy (P) | 40.0M | $720K |
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for HAO. 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.