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 EUO 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/EUO"
Use Arkolith to show who owns EUO, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | CITADEL ADVISORS LLC | $986K | 33K | ▲+266% Added · +24K sh | Q1 2026 | |
| 2 | Avidian Wealth Enterprises, LLC | $207K | 7K | ▲New +7K sh | Q1 2026 | |
| 3 | MAI Capital Management | $3K | 100 | —Held | Q1 2026 | |
| 4 | GROUP ONE TRADING LLC | $237 | 8 | —Held | 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 |
|---|---|---|
| PFIZER INCPFE | 20 funds | $10.3B |
| JPMORGAN CHASE & COJPM | 20 funds | $10.1B |
| META PLATFORMS INC-CLASS AMETA | 20 funds | $10.0B |
| VISA INC-CLASS A SHARESV | 20 funds | $6.8B |
| ALTRIA GROUP INCMO | 20 funds | $6.2B |
| CVS HEALTH CORPCVS | 20 funds | $6.1B |
| MCDONALD'S CORPMCD | 20 funds | $6.0B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 20 funds | $5.5B |
| GILEAD SCIENCES INCGILD | 20 funds | $5.3B |
| BANK OF AMERICA CORPBAC | 20 funds | $4.9B |
| COMCAST CORP-CLASS ACMCSA | 20 funds | $4.9B |
| 3M COMMM | 20 funds | $4.6B |
Ranked by how many of EUO'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 EUO. 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.