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 BFRI 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/BFRI"
Use Arkolith to show who owns BFRI, 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 | $50K | 62K | ▲New +62K sh | Q1 2026 | |
| 2 | Sanctuary Advisors, LLC | $8K | 10K | ▲+1.0% Added · +100 sh | Q1 2026 | |
| 3 | SBI Securities Co., Ltd. | $247 | 305 | ▲+1.7% Added · +5 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 5, 2026 | Luebbert Hermann | CEO & Chairman, Director | Option exercise (M) | 138K | $0 |
| Mar 5, 2026 | Leffler Eugene Frederick | Chief Financial Officer | Option exercise (M) | 88K | $0 |
| Mar 5, 2026 | Luebbert Hermann | CEO & Chairman, Director | Option exercise (M) | 138K | — |
| Mar 5, 2026 | Leffler Eugene Frederick | Chief Financial Officer | Option exercise (M) | 88K | — |
| Mar 4, 2026 | BORER JOHN J III | Director | Grant (A) | 20K | $0 |
| Mar 4, 2026 | Leffler Eugene Frederick | Chief Financial Officer | Grant (A) | 63K | $0 |
| Mar 4, 2026 | Luebbert Hermann | CEO & Chairman, Director | Grant (A) | 125K | $0 |
| Mar 4, 2026 | Weber Kevin Daniel | Director | Grant (A) | 20K | $0 |
| Mar 4, 2026 | Jones George Patrick | Chief Commercial Officer | Grant (A) | 50K | $0 |
| Mar 4, 2026 | Jones George Patrick | Chief Commercial Officer | Grant (A) | 50K | $0 |
| Mar 4, 2026 | Hoffman Beth J. | Director | Grant (A) | 20K | $0 |
| Mar 4, 2026 | Lanckriet Heikki | Director | Grant (A) | 20K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 2 funds | $926.9M |
| VANGUARD S&P 500 ETFVOO | 2 funds | $462.4M |
| MICROSOFT CORPMSFT | 2 funds | $438.5M |
| ALPHABET INC-CL AGOOGL | 2 funds | $341.1M |
| ISHARES CORE S&P 500 ETFIVV | 2 funds | $335.4M |
| VANGUARD GROWTH ETFVUG | 2 funds | $312.0M |
| SS SPDR S&P 500 ETF TRUST-USSPY | 2 funds | $270.8M |
| VANGUARD VALUE ETFVTV | 2 funds | $244.7M |
| BROADCOM INCAVGO | 2 funds | $243.5M |
| ELI LILLY & COLLY | 2 funds | $234.2M |
| VANGUARD TOTAL STOCK MKT ETFVTI | 2 funds | $225.5M |
| TESLA INCTSLA | 2 funds | $219.0M |
Ranked by how many of BFRI'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 BFRI. 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.