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 GTENU 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/GTENU"
Use Arkolith to show who owns GTENU, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Calamos Advisors LLC | $7.2M | 700K | —Held | Q1 2026 | |
| 2 | Clear Street Group Inc. | $2.4M | 227K | ▲+33% Added · +57K sh | Q1 2026 | |
| 3 | Magnetar Financial LLC | $124 | 12 | ▲New +12 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 |
|---|---|---|
| COREWEAVE INC-CL ACRWV | 3 funds | $5.0B |
| APPLE INCAAPL | 3 funds | $2.2B |
| MICROSOFT CORPMSFT | 3 funds | $1.9B |
| AMAZON.COM INCAMZN | 3 funds | $1.5B |
| ALPHABET INC-CL AGOOGL | 3 funds | $1.3B |
| ADVANCED MICRO DEVICESAMD | 3 funds | $1.2B |
| META PLATFORMS INC-CLASS AMETA | 3 funds | $1.2B |
| SANDISK CORPSNDK | 3 funds | $793.1M |
| BROADCOM INCAVGO | 3 funds | $591.2M |
| TESLA INCTSLA | 3 funds | $415.2M |
| ELI LILLY & COLLY | 3 funds | $301.8M |
| JPMORGAN CHASE & COJPM | 3 funds | $236.8M |
Ranked by how many of GTENU'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 GTENU. 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.