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 PRPO 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/PRPO"
Use Arkolith to show who owns PRPO, 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. | $726K | 29K | ▲+0.4% Added · +110 sh | Q1 2026 | |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | $637K | 25K | ▲New +25K sh | Q1 2026 | |
| 3 | VANGUARD GROUP INC | $587K | 26K | ▲+27% Added · +5K sh | Q4 2025 | |
| 4 | RENAISSANCE TECHNOLOGIES LLC | $483K | 19K | ▲+33% Added · +5K sh | Q1 2026 | |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | $471K | 19K | ▲+15% Added · +2K sh | Q1 2026 | |
| 6 | CITADEL ADVISORS LLC | $378K | 15K | ▲New +15K sh | Q1 2026 | |
| 7 | VANGUARD FIDUCIARY TRUST CO | $234K | 9K | ▲New +9K sh | Q1 2026 | |
| 8 | UBS Group AG | $6K | 227 | ▲New +227 sh | Q1 2026 | |
| 9 | Tower Research Capital LLC (TRC) | $3K | 138 | ▼−57% Reduced · −181 sh | Q1 2026 | |
| 10 | WELLS FARGO & COMPANY/MN | $1K | 50 | —Held | Q1 2026 | |
| 11 | Allworth Financial LP | $75 | 3 | —Held | Q1 2026 | |
| 12 | IFP Advisors, Inc | $75 | 3 | —Held | Q1 2026 | |
| 13 | FMR LLC | $55 | 2 | ▼−95% Reduced · −39 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 |
|---|---|---|---|---|---|
| Jan 15, 2026 | Valauri Christina Rizopoulos | Director | Grant (A) | 406 | $10K |
| Jan 15, 2026 | LAPORTE KATHLEEN | Director | Grant (A) | 520 | $12K |
| Jan 15, 2026 | Cossman Jeffrey | Director | Grant (A) | 437 | $10K |
| Jan 15, 2026 | Cohen David Seth | Director | Grant (A) | 546 | $13K |
| Jan 2, 2026 | Gage Matthew | Chief Financial Officer | Grant (A) | 5K | $0 |
| Jan 2, 2026 | LAPORTE KATHLEEN | Director | Grant (A) | 2K | $0 |
| Jan 2, 2026 | SANDBERG RICHARD A | Director | Grant (A) | 2K | $0 |
| Jan 2, 2026 | Valauri Christina Rizopoulos | Director | Grant (A) | 2K | $0 |
| Jan 2, 2026 | ANDREWS RONALD ASBURY | Director | Grant (A) | 2K | $0 |
| Jan 2, 2026 | Cohen David Seth | Director | Grant (A) | 2K | $0 |
| Jan 2, 2026 | Cossman Jeffrey | Director | Grant (A) | 2K | $0 |
| Jan 2, 2026 | DANIELI ILAN | Chief Executive Officer, Director | Grant (A) | 15K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 2 funds | $3.4B |
| ISHARES CORE S&P 500 ETFIVV | 2 funds | $2.7B |
| AMAZON.COM INCAMZN | 2 funds | $1.8B |
| MICRON TECHNOLOGY INCMU | 2 funds | $1.6B |
| SS SPDR DOW JONES INDUS AVGDIA | 2 funds | $1.6B |
| APPLE INCAAPL | 2 funds | $1.4B |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 2 funds | $1.4B |
| META PLATFORMS INC-CLASS AMETA | 2 funds | $1.1B |
| MICROSOFT CORPMSFT | 2 funds | $1.0B |
| BROADCOM INCAVGO | 2 funds | $1.0B |
| ALPHABET INC-CL AGOOGL | 2 funds | $864.4M |
| WARNER BROS DISCOVERY INCWBD | 2 funds | $807.6M |
Ranked by how many of PRPO'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 PRPO. 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.