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 OARK 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/OARK"
Use Arkolith to show who owns OARK, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Tidal Investments LLC | $18.6M | 612K | ▲+29% Added · +139K sh | Q1 2026 | |
| 2 | CITADEL ADVISORS LLC | $328K | 11K | ▼−36% Reduced · −6K sh | Q1 2026 | |
| 3 | Root Financial Partners, LLC | $366 | 12 | —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 |
|---|---|---|
| AMAZON.COM INCAMZN | 4 funds | $2.4B |
| MICROSOFT CORPMSFT | 4 funds | $1.8B |
| MICRON TECHNOLOGY INCMU | 4 funds | $1.8B |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 4 funds | $1.7B |
| ALPHABET INC-CL AGOOGL | 4 funds | $1.6B |
| BROADCOM INCAVGO | 4 funds | $1.5B |
| META PLATFORMS INC-CLASS AMETA | 4 funds | $1.4B |
| TESLA INCTSLA | 4 funds | $1.0B |
| JPMORGAN CHASE & COJPM | 4 funds | $886.8M |
| WARNER BROS DISCOVERY INCWBD | 4 funds | $815.9M |
| NORFOLK SOUTHERN CORPNSC | 4 funds | $760.2M |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 4 funds | $717.3M |
Ranked by how many of OARK'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 OARK. 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.