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 PCRB 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/PCRB"
Use Arkolith to show who owns PCRB, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $6.4M | 137K | ▲+3.5% Added · +5K sh | Q1 2026 | |
| 2 | CITADEL ADVISORS LLC | $842K | 18K | ▲New +18K sh | Q1 2026 | |
| 3 | JANE STREET GROUP, LLC | $366K | 8K | ▼−41% Reduced · −5K sh | Q1 2026 | |
| 4 | JPMORGAN CHASE & CO | $138K | 3K | ▲+17% Added · +433 sh | Q1 2026 | |
| 5 | FRANKLIN RESOURCES INC | $38K | 810 | ▼−100% Reduced · −17.8M 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.
No Form 4 insider transactions on file yet.
| Company | Co-held by | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 6 funds | $97.3B |
| APPLE INCAAPL | 6 funds | $74.0B |
| MICROSOFT CORPMSFT | 6 funds | $63.6B |
| SS SPDR S&P 500 ETF TRUST-USSPY | 6 funds | $50.8B |
| AMAZON.COM INCAMZN | 6 funds | $49.2B |
| ALPHABET INC-CL CGOOG | 6 funds | $39.9B |
| BROADCOM INCAVGO | 6 funds | $39.4B |
| META PLATFORMS INC-CLASS AMETA | 6 funds | $34.8B |
| ALPHABET INC-CL AGOOGL | 6 funds | $32.6B |
| EXXON MOBIL CORPXOM | 6 funds | $22.7B |
| TESLA INCTSLA | 6 funds | $22.2B |
| ISHARES CORE S&P 500 ETFIVV | 6 funds | $19.7B |
Ranked by how many of PCRB's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
No filings captured for this ticker in the live stream yet.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for PCRB. 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.