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 RRGB 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/RRGB"
Use Arkolith to show who owns RRGB, 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 | $575K | 196K | ▲+2.6% Added · +5K sh | Q1 2026 | |
| 2 | CastleKnight Management LP | $307K | 105K | ▲New +105K sh | Q1 2026 | |
| 3 | Centiva Capital, LP | $303K | 103K | ▲New +103K sh | Q1 2026 | |
| 4 | VANGUARD FIDUCIARY TRUST CO | $267K | 91K | ▲New +91K sh | Q1 2026 | |
| 5 | STATE STREET CORP | $234K | 80K | —Held | Q1 2026 | |
| 6 | FULLER & THALER ASSET MANAGEMENT, INC. | $221K | 76K | ▲+1.1% Added · +850 sh | Q1 2026 | |
| 7 | CITADEL ADVISORS LLC | $125K | 43K | ▼−27% Reduced · −15K sh | Q1 2026 | |
| 8 | Point72 Asset Management, L.P. | $97K | 33K | ▼−27% Reduced · −12K sh | Q1 2026 | |
| 9 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $93K | 32K | —Held | Q1 2026 | |
| 10 | PANAGORA ASSET MANAGEMENT INC | $47K | 16K | —Held | Q1 2026 | |
| 11 | GROUP ONE TRADING LLC | $4K | 2K | ▲New +2K sh | Q1 2026 | |
| 12 | FMR LLC | $126 | 43 | ▼−14% Reduced · −7 sh | Q1 2026 | |
| 13 | Larson Financial Group LLC | $3 | 1 | —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.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Mar 24, 2026 | Mussetter Sarah A. | CHIEF LEGAL OFFICER | Tax withholding (F) | 8K | $26K |
| Mar 24, 2026 | Griffith Jesse | Chief Operations Officer | Tax withholding (F) | 3K | $10K |
| Mar 23, 2026 | Griffith Jesse | Chief Operations Officer | Sell (S) | 839 | $3K |
| Mar 23, 2026 | Griffith Jesse | Chief Operations Officer | Grant (A) | 39K | $0 |
| Mar 23, 2026 | PACE DAVID | PRESIDENT AND CEO, Director | Grant (A) | 250K | $0 |
| Mar 23, 2026 | Mussetter Sarah A. | CHIEF LEGAL OFFICER | Sell (S) | 3K | $9K |
| Mar 23, 2026 | Mussetter Sarah A. | CHIEF LEGAL OFFICER | Grant (A) | 69K | $0 |
| Mar 23, 2026 | Kassem Humera | Chief People Officer | Grant (A) | 34K | $0 |
| Mar 23, 2026 | PACE DAVID | PRESIDENT AND CEO, Director | Grant (A) | 250K | $0 |
| Mar 16, 2026 | Griffith Jesse | Chief Operations Officer | Sell (S) | 1K | $5K |
| Mar 16, 2026 | Mussetter Sarah A. | CHIEF LEGAL OFFICER | Sell (S) | 4K | $13K |
| Feb 19, 2026 | Griffith Jesse | Chief Operations Officer | Tax withholding (F) | 1K | $3K |
| Company | Co-held by | Combined value |
|---|---|---|
| AMAZON.COM INCAMZN | 11 funds | $4.2B |
| MICROSOFT CORPMSFT | 11 funds | $2.9B |
| META PLATFORMS INC-CLASS AMETA | 11 funds | $2.6B |
| ALPHABET INC-CL AGOOGL | 11 funds | $2.5B |
| APPLIED MATERIALS INCAMAT | 11 funds | $1.2B |
| AMERICAN EAGLE OUTFITTERSAEO | 11 funds | $112.7M |
| NVIDIA CORPNVDA | 10 funds | $8.0B |
| COSTCO WHOLESALE CORPCOST | 10 funds | $1.2B |
| ROSS STORES INCROST | 10 funds | $936.6M |
| ELI LILLY & COLLY | 10 funds | $917.4M |
| TERADYNE INCTER | 10 funds | $880.0M |
| UNITEDHEALTH GROUP INCUNH | 10 funds | $800.8M |
Ranked by how many of RRGB'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 RRGB. 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.