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 XTN 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/XTN"
Use Arkolith to show who owns XTN, which funds added or reduced it, and which SEC filings prove each claim.
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 | 21 funds | $10.0B |
| NVIDIA CORPNVDA | 21 funds | $9.0B |
| MICROSOFT CORPMSFT | 21 funds | $8.5B |
| AMAZON.COM INCAMZN | 21 funds | $6.8B |
| ALPHABET INC-CL AGOOGL | 21 funds | $5.5B |
| SS SPDR S&P 500 ETF TRUST-USSPY | 21 funds | $5.3B |
| ALPHABET INC-CL CGOOG | 21 funds | $4.2B |
| BROADCOM INCAVGO | 21 funds | $4.1B |
| JPMORGAN CHASE & COJPM | 21 funds | $3.8B |
| META PLATFORMS INC-CLASS AMETA | 21 funds | $3.2B |
| VANGUARD S&P 500 ETFVOO | 21 funds | $2.8B |
| INVESCO QQQ TRUST SERIES 1QQQ | 21 funds | $2.7B |
Ranked by how many of XTN'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 XTN. 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.