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 RPID 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/RPID"
Use Arkolith to show who owns RPID, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Bain Capital Life Sciences Investors, LLC | $19.1M | 8.4M | —Held | Q1 2026 | |
| 2 | VANGUARD GROUP INC | $2.8M | 979K | ▲+1.4% Added · +14K sh | Q4 2025 | |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | $2.2M | 982K | ▲New +982K sh | Q1 2026 | |
| 4 | ADVENT INTERNATIONAL, L.P. | $1.3M | 552K | ▼−4.4% Reduced · −25K sh | Q1 2026 | |
| 5 | SEI INVESTMENTS CO | $647K | 285K | ▲+204% Added · +191K sh | Q1 2026 | |
| 6 | MILLENNIUM MANAGEMENT LLC | $643K | 283K | ▲+143% Added · +167K sh | Q1 2026 | |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | $561K | 247K | ▲+14% Added · +30K sh | Q1 2026 | |
| 8 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $481K | 212K | ▲+23% Added · +40K sh | Q1 2026 | |
| 9 | BlackRock, Inc. | $357K | 157K | ▲+0.4% Added · +566 sh | Q1 2026 | |
| 10 | JANE STREET GROUP, LLC | $302K | 133K | ▲+26% Added · +28K sh | Q1 2026 | |
| 11 | RENAISSANCE TECHNOLOGIES LLC | $287K | 127K | ▲+9.5% Added · +11K sh | Q1 2026 | |
| 12 | 683 Capital Management, LLC | $274K | 121K | —Held | Q1 2026 | |
| 13 | VANGUARD FIDUCIARY TRUST CO | $249K | 110K | ▲New +110K sh | Q1 2026 | |
| 14 | STATE STREET CORP | $213K | 94K | ▲+2.6% Added · +2K sh | Q1 2026 | |
| 15 | DIMENSIONAL FUND ADVISORS LP | $199K | 88K | ▲+56% Added · +31K sh | Q1 2026 | |
| 16 | GOLDMAN SACHS GROUP INC | $163K | 72K | ▲+30% Added · +17K sh | Q1 2026 | |
| 17 | XTX Topco Ltd | $139K | 61K | ▲New +61K sh | Q1 2026 | |
| 18 | NORTHERN TRUST CORP | $110K | 48K | ▲+19% Added · +8K sh | Q1 2026 | |
| 19 | BANK OF AMERICA CORP /DE/ | $70K | 31K | ▲+140% Added · +18K sh | Q1 2026 | |
| 20 | MORGAN STANLEY | $66K | 29K | ▼−7.0% Reduced · −2K sh | Q1 2026 | |
| 21 | Temasek Holdings (Private) Ltd | $50K | 22K | ▲New +22K sh | Q1 2026 | |
| 22 | BARCLAYS PLC | $49K | 22K | ▼−13% Reduced · −3K sh | Q1 2026 | |
| 23 | Graham Capital Management, L.P. | $45K | 20K | ▲New +20K sh | Q1 2026 | |
| 24 | AMERICAN CENTURY COMPANIES INC | $38K | 17K | —Held | Q1 2026 | |
| 25 | Qube Research & Technologies Ltd | $35K | 15K | ▼−53% Reduced · −18K 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 | Wilson John J. Addington | CHIEF OPERATING OFFICER | Sell (S) | 10K | $41K |
| Mar 11, 2026 | WIRTJES SEAN M | CHIEF FINANCIAL OFFICER | Sell (S) | 7K | $32K |
| Mar 10, 2026 | Spignesi Robert G. Jr. | PRESIDENT AND CEO, Director | Sell (S) | 18K | $74K |
| Feb 27, 2026 | RICCIARDI NATALE S | Director | Option exercise (M) | 842 | $632 |
| Feb 27, 2026 | RICCIARDI NATALE S | Director | Option exercise (M) | 842 | $632 |
| Feb 20, 2026 | Wilson John J. Addington | CHIEF OPERATING OFFICER | Sell (S) | 5K | $21K |
| Feb 20, 2026 | WIRTJES SEAN M | CHIEF FINANCIAL OFFICER | Sell (S) | 17K | $68K |
| Feb 19, 2026 | Spignesi Robert G. Jr. | PRESIDENT AND CEO, Director | Sell (S) | 38K | $149K |
| Feb 11, 2026 | WIRTJES SEAN M | CHIEF FINANCIAL OFFICER | Grant (A) | 193K | $0 |
| Feb 11, 2026 | Spignesi Robert G. Jr. | PRESIDENT AND CEO, Director | Grant (A) | 264K | $0 |
| Feb 11, 2026 | Spignesi Robert G. Jr. | PRESIDENT AND CEO, Director | Grant (A) | 528K | $0 |
| Feb 11, 2026 | WIRTJES SEAN M | CHIEF FINANCIAL OFFICER | Grant (A) | 97K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| AMAZON.COM INCAMZN | 10 funds | $4.8B |
| ALPHABET INC-CL AGOOGL | 10 funds | $2.9B |
| UNITEDHEALTH GROUP INCUNH | 10 funds | $891.0M |
| ELI LILLY & COLLY | 10 funds | $729.1M |
| WESTERN DIGITAL CORPWDC | 10 funds | $329.1M |
| NVIDIA CORPNVDA | 9 funds | $8.3B |
| BROADCOM INCAVGO | 9 funds | $3.2B |
| MICROSOFT CORPMSFT | 9 funds | $2.9B |
| MASTERCARD INC - AMA | 9 funds | $2.3B |
| MICRON TECHNOLOGY INCMU | 9 funds | $2.2B |
| META PLATFORMS INC-CLASS AMETA | 9 funds | $2.1B |
| INTUITIVE SURGICAL INCISRG | 9 funds | $1.1B |
Ranked by how many of RPID'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 RPID. 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.