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 CRSH 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/CRSH"
Use Arkolith to show who owns CRSH, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | JANE STREET GROUP, LLC | $614K | 23K | ▲New +23K sh | Q1 2026 | |
| 2 | SIMPLEX TRADING, LLC | $56K | 2K | ▲+184% Added · +1K sh | Q1 2026 | |
| 3 | GROUP ONE TRADING LLC | $48K | 2K | ▲14× Added · +2K sh | Q1 2026 | |
| 4 | Tower Research Capital LLC (TRC) | $2K | 90 | ▲New +90 sh | Q1 2026 | |
| 5 | FMR LLC | $89 | 3 | ▼−75% Reduced · −9 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 |
|---|---|---|
| BROADCOM INCAVGO | 4 funds | $1.5B |
| AMAZON.COM INCAMZN | 4 funds | $1.1B |
| DELL TECHNOLOGIES -CDELL | 4 funds | $1.0B |
| MARVELL TECHNOLOGY INCMRVL | 4 funds | $998.7M |
| MICRON TECHNOLOGY INCMU | 4 funds | $744.0M |
| LUMENTUM HOLDINGS INCLITE | 4 funds | $732.0M |
| CELESTICA INCCLS | 4 funds | $722.5M |
| COREWEAVE INC-CL ACRWV | 4 funds | $694.6M |
| ALPHABET INC-CL AGOOGL | 4 funds | $692.2M |
| ORACLE CORPORCL | 4 funds | $659.8M |
Ranked by how many of CRSH'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 CRSH. 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.