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 SBDS 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/SBDS"
Use Arkolith to show who owns SBDS, 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 | $26K | 7K | ▲New +7K sh | Q1 2026 | |
| 2 | GROUP ONE TRADING LLC | $350 | 93 | ▼−1.1% Reduced · −1 sh | Q1 2026 | |
| 3 | MAI Capital Management | $151 | 40 | ▲New +40 sh | Q1 2026 | |
| 4 | NISA INVESTMENT ADVISORS, LLC | $45 | 12 | —Held | Q1 2026 | |
| 5 | Sound Income Strategies, LLC | $19 | 5 | —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 |
|---|---|---|---|---|---|
| Mar 30, 2026 | Tarbox Andrea K | Director | Buy (P) | 2K | $9K |
| Mar 30, 2026 | Larson John P. | President and CEO, Director | Buy (P) | 4K | $15K |
| Mar 30, 2026 | Vanzura Elisabeth | CMO, Director | Buy (P) | 2K | $6K |
| Mar 23, 2026 | Larson John P. | President and CEO, Director | Option exercise (M) | 11K | $0 |
| Mar 23, 2026 | Larson John P. | President and CEO, Director | Option exercise (M) | 11K | $0 |
| Mar 23, 2026 | Larson John P. | President and CEO, Director | Tax withholding (F) | 3K | $14K |
| Feb 28, 2026 | Blevins Christopher | General Counsel | Option exercise (M) | 80 | $0 |
| Feb 28, 2026 | COFFEY LAURA A | Chief Financial Officer | Tax withholding (F) | 851 | $6K |
| Feb 28, 2026 | COFFEY LAURA A | Chief Financial Officer | Option exercise (M) | 3K | $0 |
| Feb 28, 2026 | COFFEY LAURA A | Chief Financial Officer | Option exercise (M) | 3K | $0 |
| Feb 28, 2026 | Blevins Christopher | General Counsel | Tax withholding (F) | 33 | $241 |
| Feb 28, 2026 | Blevins Christopher | General Counsel | Option exercise (M) | 903 | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 5 funds | $1.6B |
| AMAZON.COM INCAMZN | 5 funds | $1.0B |
| ALPHABET INC-CL AGOOGL | 5 funds | $1.0B |
| BROADCOM INCAVGO | 5 funds | $797.2M |
| META PLATFORMS INC-CLASS AMETA | 5 funds | $589.1M |
| JPMORGAN CHASE & COJPM | 5 funds | $573.7M |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 5 funds | $489.7M |
| JOHNSON & JOHNSONJNJ | 5 funds | $460.0M |
| ELI LILLY & COLLY | 5 funds | $420.4M |
| TESLA INCTSLA | 5 funds | $413.5M |
| VANGUARD FTSE DEVELOPED ETFVEA | 5 funds | $343.6M |
| VISA INC-CLASS A SHARESV | 5 funds | $339.4M |
Ranked by how many of SBDS'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 SBDS. 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.