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 RRBI 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/RRBI"
Use Arkolith to show who owns RRBI, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $29.9M | 331K | ▲+3.1% Added · +10K sh | Q1 2026 | |
| 2 | VANGUARD GROUP INC | $17.8M | 249K | ▲+3.3% Added · +8K sh | Q4 2025 | |
| 3 | GEODE CAPITAL MANAGEMENT, LLC | $10.4M | 115K | ▲+1.5% Added · +2K sh | Q1 2026 | |
| 4 | STATE STREET CORP | $10.1M | 112K | ▲+12% Added · +12K sh | Q1 2026 | |
| 5 | First Eagle Investment Management, LLC | $7.1M | 78K | ▲+58% Added · +29K sh | Q1 2026 | |
| 6 | VANGUARD FIDUCIARY TRUST CO | $2.8M | 31K | ▲New +31K sh | Q1 2026 | |
| 7 | VANGUARD PORTFOLIO MANAGEMENT LLC | $2.6M | 29K | ▲New +29K sh | Q1 2026 | |
| 8 | Connor, Clark & Lunn Investment Management Ltd. | $1.6M | 18K | ▼−2.3% Reduced · −411 sh | Q1 2026 | |
| 9 | Trexquant Investment LP | $801K | 9K | ▼−32% Reduced · −4K sh | Q1 2026 | |
| 10 | LOS ANGELES CAPITAL MANAGEMENT LLC | $788K | 9K | ▼−2.2% Reduced · −198 sh | Q1 2026 | |
| 11 | IEQ CAPITAL, LLC | $541K | 6K | ▲+40% Added · +2K sh | Q1 2026 | |
| 12 | ALPS ADVISORS INC | $515K | 6K | ▲New +6K sh | Q1 2026 | |
| 13 | Engineers Gate Manager LP | $471K | 5K | ▲New +5K sh | Q1 2026 | |
| 14 | NewEdge Advisors, LLC | $463K | 5K | ▼−6.2% Reduced · −339 sh | Q1 2026 | |
| 15 | Quadrature Capital Ltd | $430K | 5K | ▲+46% Added · +2K sh | Q1 2026 | |
| 16 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $399K | 4K | —Held | Q1 2026 | |
| 17 | Prospera Financial Services Inc | $362K | 4K | —Held | Q1 2026 | |
| 18 | JACOBS LEVY EQUITY MANAGEMENT, INC | $353K | 4K | ▼−64% Reduced · −7K sh | Q1 2026 | |
| 19 | Argent Trust Co | $317K | 4K | —Held | Q1 2026 | |
| 20 | Cornerstone Investment Partners, LLC | $303K | 3K | ▲New +3K sh | Q1 2026 | |
| 21 | IFP Advisors, Inc | $303K | 3K | —Held | Q1 2026 | |
| 22 | CWM, LLC | $282K | 3K | ▲+14% Added · +373 sh | Q1 2026 | |
| 23 | MetLife Investment Management, LLC | $246K | 3K | —Held | Q1 2026 | |
| 24 | Police & Firemen's Retirement System of New Jersey | $127K | 1K | —Held | Q1 2026 | |
| 25 | Aquatic Capital Management LLC | $44K | 491 | ▲New +491 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 |
|---|---|---|---|---|---|
| Mar 11, 2026 | Salazar Bryon C. | See Remarks | Gift (G) | 255 | $0 |
| Mar 11, 2026 | Salazar Tammi R. | See Remarks | Gift (G) | 255 | $0 |
| Feb 25, 2026 | Price Teddy Ray | Director | Buy (P) | 64 | $6K |
| Feb 4, 2026 | Price Teddy Ray | Director | Buy (P) | 107 | $10K |
| Feb 4, 2026 | Price Teddy Ray | Director | Buy (P) | 10 | $853 |
| Feb 4, 2026 | Price Teddy Ray | Director | Buy (P) | 630 | $57K |
| Jan 30, 2026 | Price Teddy Ray | Director | Grant (A) | 198 | $16K |
| Jan 30, 2026 | Ashbrook Michael Scott | Director | Grant (A) | 181 | $15K |
| Jan 30, 2026 | Moreau Anna Brasher | Director | Grant (A) | 198 | $16K |
| Nov 6, 2025 | Price Teddy Ray | Director | Buy (P) | 886 | $58K |
| Nov 6, 2025 | Price Teddy Ray | Director | Buy (P) | 147 | $10K |
| Nov 6, 2025 | Price Teddy Ray | Director | Buy (P) | 13 | $855 |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 34 funds | $10.7B |
| AMAZON.COM INCAMZN | 33 funds | $7.8B |
| META PLATFORMS INC-CLASS AMETA | 33 funds | $6.8B |
| BROADCOM INCAVGO | 33 funds | $5.7B |
| JPMORGAN CHASE & COJPM | 33 funds | $3.5B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 33 funds | $2.9B |
| UNITEDHEALTH GROUP INCUNH | 33 funds | $1.5B |
| AMERICAN EXPRESS COAXP | 33 funds | $1.3B |
| AUTOMATIC DATA PROCESSINGADP | 33 funds | $1.0B |
| CARDINAL HEALTH INCCAH | 33 funds | $649.8M |
| APPLE INCAAPL | 32 funds | $14.1B |
| ALPHABET INC-CL CGOOG | 32 funds | $8.0B |
Ranked by how many of RRBI'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 RRBI. 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.