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 DXR 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/DXR"
Use Arkolith to show who owns DXR, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Empirical Financial Services, LLC d.b.a. Empirical Wealth Ma | $245K | 25K | ▲New +25K sh | Q1 2026 | |
| 2 | SBI Securities Co., Ltd. | $30K | 3K | —Held | Q1 2026 | |
| 3 | VANGUARD FIDUCIARY TRUST CO | $10K | 1K | ▲New +1K 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 |
|---|---|---|---|---|---|
| Mar 31, 2026 | Michel Robert J | Chief Financial Officer | Buy (P) | 1K | $10K |
| Mar 20, 2026 | Jefferies John | Chief Medical Officer | Buy (P) | 2K | $0 |
| Mar 20, 2026 | Jefferies John | Chief Medical Officer | Buy (P) | 4K | $0 |
| Dec 9, 2025 | Feldschuh Jonathan Adam | Chief Scientific Officer, Director | Buy (P) | 18K | $0 |
| Dec 9, 2025 | Michel Robert J | Chief Financial Officer | Buy (P) | 3K | $0 |
| Nov 12, 2025 | Jefferies John | Chief Medical Officer | Buy (P) | 2K | $0 |
| Jun 24, 2025 | Cremisi Henry D. | Director | Grant (A) | 3K | $0 |
| Jun 24, 2025 | Goudie Joy S. | Director | Grant (A) | 3K | $0 |
| Jun 24, 2025 | DesRosiers Caleb | Director | Grant (A) | 3K | $0 |
| Jun 24, 2025 | Feuer Edward | Director | Grant (A) | 3K | $0 |
| Apr 4, 2025 | Feldschuh Michael Richard | Chief Executive Officer, Director | Buy (P) | 2K | $16K |
| Mar 10, 2025 | Michel Robert J | Chief Financial Officer | Buy (P) | 1K | $8K |
| Company | Co-held by | Combined value |
|---|---|---|
| APPLE INCAAPL | 6 funds | $6.0B |
| MICROSOFT CORPMSFT | 6 funds | $4.7B |
| JOHNSON & JOHNSONJNJ | 6 funds | $3.2B |
| VANGUARD FTSE EMERGING MARKEVWO | 6 funds | $3.1B |
| META PLATFORMS INC-CLASS AMETA | 6 funds | $3.0B |
| ALPHABET INC-CL AGOOGL | 6 funds | $2.9B |
| HOME DEPOT INCHD | 6 funds | $2.8B |
| EXXON MOBIL CORPXOM | 6 funds | $2.6B |
| PEPSICO INCPEP | 6 funds | $2.4B |
| PROCTER & GAMBLE CO/THEPG | 6 funds | $2.3B |
| ALPHABET INC-CL CGOOG | 6 funds | $2.3B |
| UBS GROUP AG-REGUBS | 6 funds | $2.3B |
Ranked by how many of DXR'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 DXR. 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.