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 XCUR 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/XCUR"
Use Arkolith to show who owns XCUR, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | VANGUARD FIDUCIARY TRUST CO | $56K | 13K | ▲New +13K sh | Q1 2026 | |
| 2 | SBI Securities Co., Ltd. | $183 | 43 | —Held | 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 |
|---|---|---|---|---|---|
| Feb 16, 2026 | Miller Josh | Chief Accounting Officer | Tax withholding (F) | 8 | $33 |
| Jan 21, 2026 | Exicure HiTron Inc. | 10% Owner | Sell (S) | 258K | $1.2M |
| Jan 16, 2026 | Exicure HiTron Inc. | 10% Owner | Sell (S) | 735K | $3.3M |
| Jan 7, 2026 | Exicure HiTron Inc. | 10% Owner | Sell (S) | 741K | $3.3M |
| Dec 8, 2025 | SANGSANGIN INVESTMENT & SECURITIES CO., LTD. | 10% Owner | Sell (S) | 433K | $3.8M |
| Nov 16, 2025 | Miller Josh | Chief Accounting Officer | Tax withholding (F) | 7 | $26 |
| Aug 16, 2025 | Miller Josh | Chief Accounting Officer | Tax withholding (F) | 9 | $60 |
| May 16, 2025 | Miller Josh | Chief Accounting Officer | Tax withholding (F) | 8 | $80 |
| Feb 16, 2025 | Miller Josh | Chief Accounting Officer | Tax withholding (F) | 9 | $90 |
| Dec 26, 2024 | HiTron Systems Inc. | 10% Owner | Buy (P) | 2.9M | $8.7M |
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for XCUR. 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.