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 RNXT 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/RNXT"
Use Arkolith to show who owns RNXT, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | VANGUARD CAPITAL MANAGEMENT LLC | $1.5M | 1.4M | ▲New +1.4M sh | Q1 2026 | |
| 2 | VANGUARD GROUP INC | $1.3M | 1.6M | —Held | Q4 2025 | |
| 3 | GEODE CAPITAL MANAGEMENT, LLC | $386K | 382K | ▲+2.8% Added · +10K sh | Q1 2026 | |
| 4 | Wealthspire Advisors, LLC | $255K | 253K | —Held | Q1 2026 | |
| 5 | CITADEL ADVISORS LLC | $235K | 233K | ▲+336% Added · +179K sh | Q1 2026 | |
| 6 | VANGUARD FIDUCIARY TRUST CO | $159K | 158K | ▲New +158K sh | Q1 2026 | |
| 7 | NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | $100K | 99K | ▲+33% Added · +25K sh | Q1 2026 | |
| 8 | Chicago Partners Investment Group LLC | $88K | 92K | —Held | Q1 2026 | |
| 9 | Caprock Group, LLC | $65K | 64K | —Held | Q1 2026 | |
| 10 | NORTHERN TRUST CORP | $43K | 42K | —Held | Q1 2026 | |
| 11 | Kestra Advisory Services, LLC | $36K | 36K | —Held | Q1 2026 | |
| 12 | XTX Topco Ltd | $31K | 31K | ▼−39% Reduced · −20K sh | Q1 2026 | |
| 13 | STATE STREET CORP | $26K | 26K | —Held | Q1 2026 | |
| 14 | JANE STREET GROUP, LLC | $24K | 24K | ▲+74% Added · +10K sh | Q1 2026 | |
| 15 | HighTower Advisors, LLC | $20K | 20K | —Held | Q1 2026 | |
| 16 | Cetera Investment Advisers | $18K | 18K | ▲+64% Added · +7K sh | Q1 2026 | |
| 17 | RENAISSANCE TECHNOLOGIES LLC | $13K | 13K | ▼−89% Reduced · −104K sh | Q1 2026 | |
| 18 | StoneX Group Inc. | $13K | 13K | ▲New +13K sh | Q1 2026 | |
| 19 | Focus Partners Wealth | $11K | 11K | —Held | Q1 2026 | |
| 20 | MORGAN STANLEY | $7K | 7K | ▲+534% Added · +6K sh | Q1 2026 | |
| 21 | Tower Research Capital LLC (TRC) | $6K | 6K | ▼−2.4% Reduced · −150 sh | Q1 2026 | |
| 22 | CITIGROUP INC | $4K | 4K | ▲4k× Added · +4K sh | Q1 2026 | |
| 23 | UBS Group AG | $3K | 3K | ▲+46% Added · +1K 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 25, 2026 | VOLL MARK | Chief Financial Officer | Grant (A) | 12K | $0 |
| Mar 20, 2026 | Bagai Shaun | Chief Executive Officer, Director | Buy (P) | 24K | — |
| Mar 20, 2026 | Bagai Shaun | Chief Executive Officer, Director | Buy (P) | 12K | — |
| Mar 20, 2026 | Marton Laurence | Director | Buy (P) | 10K | — |
| Mar 20, 2026 | Marton Laurence | Director | Buy (P) | 5K | — |
| Mar 20, 2026 | VOLL MARK | Chief Financial Officer | Buy (P) | 97K | — |
| Mar 20, 2026 | VOLL MARK | Chief Financial Officer | Buy (P) | 49K | — |
| Jan 21, 2026 | Agah Ramtin | Chief Medical Officer, Director | Buy (P) | 10K | $10K |
| Dec 31, 2025 | Agah Ramtin | Chief Medical Officer, Director | Buy (P) | 10K | $8K |
| Dec 30, 2025 | Agah Ramtin | Chief Medical Officer, Director | Buy (P) | 205 | $170 |
| Dec 18, 2025 | Bagai Shaun | Chief Executive Officer, Director | Buy (P) | 5K | $5K |
| Dec 17, 2025 | Bagai Shaun | Chief Executive Officer, Director | Buy (P) | 5K | $4K |
| Company | Co-held by | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 5 funds | $4.1B |
| ISHARES CORE S&P 500 ETFIVV | 5 funds | $3.3B |
| APPLE INCAAPL | 5 funds | $2.4B |
| AMAZON.COM INCAMZN | 5 funds | $2.2B |
| MICRON TECHNOLOGY INCMU | 5 funds | $1.7B |
| SS SPDR DOW JONES INDUS AVGDIA | 5 funds | $1.6B |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 5 funds | $1.5B |
| MICROSOFT CORPMSFT | 5 funds | $1.4B |
| META PLATFORMS INC-CLASS AMETA | 5 funds | $1.2B |
| BROADCOM INCAVGO | 5 funds | $1.2B |
| ALPHABET INC-CL AGOOGL | 5 funds | $1.1B |
| PARKER HANNIFIN CORPPH | 5 funds | $993.7M |
Ranked by how many of RNXT'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 RNXT. 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.