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 WKEY 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/WKEY"
Use Arkolith to show who owns WKEY, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | CITADEL ADVISORS LLC | $375K | 61K | ▲New +61K sh | Q1 2026 | |
| 2 | SBI Securities Co., Ltd. | $64K | 10K | ▲+23% Added · +2K sh | Q1 2026 | |
| 3 | GAMMA Investing LLC | $26K | 4K | ▲+3.3% Added · +137 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 |
|---|---|---|---|---|---|
| Jun 8, 2026 | Feuardent Moreira Andreas | Chief Innovation Officer | Option exercise (M) | 440 | $1K |
| Jun 8, 2026 | Feuardent Moreira Andreas | Chief Innovation Officer | Tax withholding (F) | 139 | $1K |
| Jun 8, 2026 | Feuardent Moreira Andreas | Chief Innovation Officer | Option exercise (M) | 440 | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 3 funds | $3.8B |
| ISHARES CORE S&P 500 ETFIVV | 3 funds | $2.7B |
| AMAZON.COM INCAMZN | 3 funds | $1.8B |
| MICRON TECHNOLOGY INCMU | 3 funds | $1.6B |
| SS SPDR DOW JONES INDUS AVGDIA | 3 funds | $1.6B |
| APPLE INCAAPL | 3 funds | $1.5B |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 3 funds | $1.4B |
| MICROSOFT CORPMSFT | 3 funds | $1.1B |
| META PLATFORMS INC-CLASS AMETA | 3 funds | $1.1B |
| BROADCOM INCAVGO | 3 funds | $1.1B |
| ALPHABET INC-CL AGOOGL | 3 funds | $951.1M |
| TESLA INCTSLA | 3 funds | $898.4M |
Ranked by how many of WKEY'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 WKEY. 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.