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 RJET 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/RJET"
Use Arkolith to show who owns RJET, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | VANGUARD FIDUCIARY TRUST CO | $1.9M | 107K | ▲New +107K sh | Q1 2026 | |
| 2 | CastleKnight Management LP | $1.9M | 106K | ▲+464% Added · +87K sh | Q1 2026 | |
| 3 | DONALD SMITH & CO., INC. | $1.6M | 92K | ▲New +92K sh | Q1 2026 | |
| 4 | STATE STREET CORP | $559K | 31K | ▲New +31K sh | Q1 2026 | |
| 5 | Hudson Bay Capital Management LP | $204K | 11K | ▲New +11K sh | Q1 2026 | |
| 6 | GROUP ONE TRADING LLC | $9K | 493 | ▲+142% Added · +289 sh | Q1 2026 | |
| 7 | SBI Securities Co., Ltd. | $1K | 56 | ▲+100% Added · +28 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 |
|---|---|---|---|---|---|
| Jun 15, 2026 | GRIZZLE J DAVID | Director | Tax withholding (F) | 81K | $1.5M |
| Jun 15, 2026 | Kinstedt Paul | Executive Vice President & COO | Grant (A) | 13K | $0 |
| Jun 15, 2026 | Allman Joseph | Executive Vice President & CFO | Grant (A) | 13K | $0 |
| Jun 15, 2026 | GRIZZLE J DAVID | Director | Tax withholding (F) | 58K | $1.1M |
| Jun 15, 2026 | GRIZZLE J DAVID | Director | Grant (A) | 129K | $0 |
| Feb 3, 2026 | UNITED AIRLINES, INC. | 10% Owner | Other (J) | 2.7M | — |
| Dec 31, 2025 | Kinstedt Paul | Senior Vice President and COO | Tax withholding (F) | 3K | $64K |
| Dec 31, 2025 | Pulley Chad M. | See Remarks | Tax withholding (F) | 3K | $49K |
| Dec 31, 2025 | Koscal Matthew | See Remarks | Tax withholding (F) | 5K | $90K |
| Nov 25, 2025 | Koscal Matthew | See Remarks | Grant (A) | 87K | — |
| Nov 25, 2025 | Koscal Matthew | See Remarks | Grant (A) | 303K | — |
| Nov 25, 2025 | JOHNSON GLENN S | Director | Grant (A) | 21K | — |
| Company | Co-held by | Combined value |
|---|---|---|
| SM ENERGY COSM | 6 funds | $232.9M |
| PENNYMAC FINANCIAL SERVICESPFSI | 6 funds | $229.5M |
| HUDBAY MINERALS INCHBM | 6 funds | $51.3M |
| AMAZON.COM INCAMZN | 5 funds | $2.4B |
| MICRON TECHNOLOGY INCMU | 5 funds | $1.9B |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 5 funds | $1.7B |
| MICROSOFT CORPMSFT | 5 funds | $1.3B |
| BROADCOM INCAVGO | 5 funds | $1.2B |
| META PLATFORMS INC-CLASS AMETA | 5 funds | $1.1B |
| ALPHABET INC-CL AGOOGL | 5 funds | $1.0B |
| CITIGROUP INCC | 5 funds | $739.3M |
| CONSTELLATION BRANDS INC-ASTZ | 5 funds | $572.4M |
Ranked by how many of RJET'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 RJET. 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.