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 TAGS 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/TAGS"
Use Arkolith to show who owns TAGS, 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 | $666K | 26K | ▲New +26K sh | Q1 2026 | |
| 2 | Tidal Investments LLC | $287K | 11K | ▲New +11K sh | Q1 2026 | |
| 3 | GROUP ONE TRADING LLC | $220K | 9K | ▲New +9K 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 |
|---|---|---|---|---|---|
| Sep 19, 2023 | Gilbertie Sal | CEO, 10% Owner | Sell (S) | 100 | $3K |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 5 funds | $3.2B |
| AMAZON.COM INCAMZN | 5 funds | $2.7B |
| ALPHABET INC-CL AGOOGL | 5 funds | $2.4B |
| META PLATFORMS INC-CLASS AMETA | 5 funds | $2.2B |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 5 funds | $1.8B |
| MICRON TECHNOLOGY INCMU | 5 funds | $1.8B |
| JPMORGAN CHASE & COJPM | 5 funds | $1.6B |
| JOHNSON & JOHNSONJNJ | 5 funds | $1.5B |
| HOME DEPOT INCHD | 5 funds | $1.5B |
| INTEL CORPINTC | 5 funds | $1.3B |
| COCA-COLA CO/THEKO | 5 funds | $1.3B |
| GILEAD SCIENCES INCGILD | 5 funds | $1.1B |
Ranked by how many of TAGS's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for TAGS. 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.