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 CD 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/CD"
Use Arkolith to show who owns CD, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | STATE STREET CORP | $2.0M | 510K | ▼−0.3% Reduced · −1K sh | Q1 2026 | |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | $887K | 223K | ▲New +223K sh | Q1 2026 | |
| 3 | VANGUARD FIDUCIARY TRUST CO | $63K | 16K | ▲New +16K sh | Q1 2026 | |
| 4 | MetLife Investment Management, LLC | $23K | 6K | ▼−62% Reduced · −9K sh | Q1 2026 | |
| 5 | GROUP ONE TRADING LLC | $7K | 2K | ▼−60% Reduced · −3K sh | Q1 2026 | |
| 6 | QUADRANT CAPITAL GROUP LLC | $7K | 2K | ▼−11% Reduced · −207 sh | Q1 2026 | |
| 7 | Sterling Capital Management LLC | $5K | 1K | ▼−46% Reduced · −1K sh | Q1 2026 | |
| 8 | GAMMA Investing LLC | $1K | 277 | ▲+104% Added · +141 sh | Q1 2026 | |
| 9 | CWM, LLC | $832 | 209 | ▲+182% Added · +135 sh | Q1 2026 | |
| 10 | MAI Capital Management | $8 | 2 | ▲New +2 sh | Q1 2026 | |
| 11 | Arax Advisory Partners | $4 | 8 | ▲New +8 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 |
|---|---|---|---|---|---|
| Dec 24, 2025 | Daye Wilfred ZhongKei | CSO, Director | Sell (S) | 2K | $9K |
| Dec 22, 2025 | Daye Wilfred ZhongKei | CSO, Director | Sell (S) | 3K | $18K |
| Nov 24, 2025 | Daye Wilfred ZhongKei | CSO, Director | Sell (S) | 4K | $62K |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 12 funds | $4.7B |
| AMAZON.COM INCAMZN | 12 funds | $3.1B |
| ALPHABET INC-CL AGOOGL | 12 funds | $2.9B |
| BROADCOM INCAVGO | 12 funds | $2.4B |
| META PLATFORMS INC-CLASS AMETA | 12 funds | $1.9B |
| JPMORGAN CHASE & COJPM | 12 funds | $1.5B |
| TESLA INCTSLA | 12 funds | $1.5B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 12 funds | $1.3B |
| ELI LILLY & COLLY | 12 funds | $1.3B |
| JOHNSON & JOHNSONJNJ | 12 funds | $1.1B |
| VISA INC-CLASS A SHARESV | 12 funds | $870.9M |
| COSTCO WHOLESALE CORPCOST | 12 funds | $760.6M |
Ranked by how many of CD'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 CD. 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.