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 CPSR 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/CPSR"
Use Arkolith to show who owns CPSR, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Calamos Advisors LLC | $10.8M | 429K | ▲+39% Added · +121K sh | Q1 2026 | |
| 2 | Calamos Wealth Management LLC | $1.9M | 74K | ▼−1.9% Reduced · −1K sh | Q1 2026 | |
| 3 | Waverly Advisors, LLC | $244K | 10K | —Held | Q1 2026 | |
| 4 | MML INVESTORS SERVICES, LLC | $201K | 8K | ▲New +8K 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 |
|---|---|---|
| APPLE INCAAPL | 6 funds | $3.2B |
| NVIDIA CORPNVDA | 6 funds | $3.1B |
| ISHARES CORE S&P 500 ETFIVV | 6 funds | $2.8B |
| MICROSOFT CORPMSFT | 6 funds | $2.1B |
| AMAZON.COM INCAMZN | 6 funds | $1.7B |
| ALPHABET INC-CL AGOOGL | 6 funds | $1.6B |
| SS SPDR S&P 500 ETF TRUST-USSPY | 6 funds | $1.4B |
| BROADCOM INCAVGO | 6 funds | $1.0B |
| INVESCO QQQ TRUST SERIES 1QQQ | 6 funds | $1.0B |
| VANGUARD GROWTH ETFVUG | 6 funds | $930.1M |
| META PLATFORMS INC-CLASS AMETA | 6 funds | $899.5M |
| VANGUARD S&P 500 ETFVOO | 6 funds | $855.6M |
Ranked by how many of CPSR'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 CPSR. 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.