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 REBN 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/REBN"
Use Arkolith to show who owns REBN, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | GEODE CAPITAL MANAGEMENT, LLC | $74K | 37K | ▲+61% Added · +14K sh | Q1 2026 | |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | $45K | 23K | ▲New +23K sh | Q1 2026 | |
| 3 | VANGUARD FIDUCIARY TRUST CO | $20K | 10K | ▲New +10K 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 |
|---|---|---|---|---|---|
| Feb 20, 2025 | Lee Scott | 10% Owner | Sell (S) | 49K | — |
| Company | Co-held by | Combined value |
|---|---|---|
| APPLE INCAAPL | 8 funds | $76.4B |
| MICROSOFT CORPMSFT | 8 funds | $74.3B |
| NVIDIA CORPNVDA | 8 funds | $58.0B |
| AMAZON.COM INCAMZN | 8 funds | $44.3B |
| SS SPDR S&P 500 ETF TRUST-USSPY | 8 funds | $36.6B |
| BROADCOM INCAVGO | 8 funds | $31.1B |
| JPMORGAN CHASE & COJPM | 8 funds | $28.0B |
| ALPHABET INC-CL AGOOGL | 8 funds | $27.7B |
| META PLATFORMS INC-CLASS AMETA | 8 funds | $23.1B |
| ISHARES CORE MSCI EAFE ETFIEFA | 8 funds | $20.3B |
| VANGUARD S&P 500 ETFVOO | 8 funds | $20.2B |
| ALPHABET INC-CL CGOOG | 8 funds | $19.2B |
Ranked by how many of REBN'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 REBN. 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.