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 BSLK 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/BSLK"
Use Arkolith to show who owns BSLK, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | $35K | 44K | ▲+167% Added · +28K sh | Q4 2025 | |
| 2 | BAILLIE GIFFORD & CO | $15K | 123K | —Held | Q1 2026 | |
| 3 | Farther Finance Advisors, LLC | $21 | 165 | ▲New +165 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 |
|---|---|---|---|---|---|
| Feb 9, 2026 | Breslauer David Nate | CHIEF TECHNOLOGY OFFICER, Director | Grant (A) | 46K | $0 |
| Feb 9, 2026 | Slattery Paul Joseph | GENERAL COUNSEL & SECRETARY | Grant (A) | 21K | $0 |
| Feb 9, 2026 | Widmaier Daniel Matthew | CHIEF EXECUTIVE OFFICER, Director | Grant (A) | 46K | $0 |
| Nov 19, 2025 | Slattery Paul Joseph | GENERAL COUNSEL & SECRETARY | Sell (S) | 819 | $1K |
| Nov 12, 2025 | Befumo Randy | INTERIM CFO | Grant (A) | 18K | $0 |
| Aug 29, 2025 | Zauder Gail | Director | Grant (A) | 750 | $0 |
| Aug 29, 2025 | Carpio Ransley Keoni | Director | Grant (A) | 750 | $0 |
| Aug 29, 2025 | Naffakh Sami Pascal | Director | Grant (A) | 750 | $0 |
| Aug 29, 2025 | Lucree Lorne Christopher | Director | Grant (A) | 750 | $0 |
| Aug 29, 2025 | FIDDLER JERRY | Director | Grant (A) | 750 | $0 |
| Aug 29, 2025 | Finard Jeri B | Director | Grant (A) | 750 | $0 |
| Aug 29, 2025 | BATTIST CHRISTINE | Director | Grant (A) | 750 | $0 |
| Class | 13F holders | Value held |
|---|---|---|
| BSLKthis pageStock | 3 funds | $50K |
| BSLKWWT | 3 funds | $2K |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
| Company | Co-held by | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 8 funds | $84.7B |
| MICROSOFT CORPMSFT | 8 funds | $82.0B |
| APPLE INCAAPL | 8 funds | $67.4B |
| AMAZON.COM INCAMZN | 8 funds | $46.5B |
| ALPHABET INC-CL AGOOGL | 8 funds | $36.4B |
| META PLATFORMS INC-CLASS AMETA | 8 funds | $34.6B |
| VISA INC-CLASS A SHARESV | 8 funds | $18.5B |
| NETFLIX INCNFLX | 8 funds | $18.3B |
| TESLA INCTSLA | 8 funds | $17.5B |
| COSTCO WHOLESALE CORPCOST | 8 funds | $13.7B |
| WALMART INCWMT | 8 funds | $13.7B |
| HOME DEPOT INCHD | 8 funds | $11.8B |
Ranked by how many of BSLK'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 BSLK. 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.