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 SST 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/SST"
Use Arkolith to show who owns SST, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | STATE STREET CORP | $35K | 12K | —Held | Q1 2026 | |
| 2 | VANGUARD FIDUCIARY TRUST CO | $28K | 9K | ▲New +9K sh | Q1 2026 | |
| 3 | GROUP ONE TRADING LLC | $673 | 223 | ▼−66% Reduced · −440 sh | Q1 2026 | |
| 4 | CWM, LLC | $344 | 114 | ▼−0.9% Reduced · −1 sh | Q1 2026 | |
| 5 | SBI Securities Co., Ltd. | $181 | 60 | —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 |
|---|---|---|---|---|---|
| Jan 28, 2026 | Weinrot Daniel J | General Counsel & Secretary | Tax withholding (F) | 211 | $882 |
| Jan 28, 2026 | Coppola Brian | Chief Ad Operations Officer | Tax withholding (F) | 231 | $966 |
| Jan 28, 2026 | Sestanovich Elizabeth | Chief People Officer | Tax withholding (F) | 211 | $882 |
| Jan 28, 2026 | Kidambi Tridivesh | Chief Financial Officer | Tax withholding (F) | 258 | $1K |
| Jan 15, 2026 | Weinrot Daniel J | General Counsel & Secretary | Tax withholding (F) | 377 | $2K |
| Jan 15, 2026 | Sestanovich Elizabeth | Chief People Officer | Tax withholding (F) | 377 | $2K |
| Jan 15, 2026 | Coppola Brian | Chief Ad Operations Officer | Tax withholding (F) | 371 | $2K |
| Jan 15, 2026 | Kidambi Tridivesh | Chief Financial Officer | Tax withholding (F) | 345 | $2K |
| Oct 28, 2025 | Coppola Brian | Chief Ad Operations Officer | Tax withholding (F) | 235 | $1K |
| Oct 28, 2025 | Weinrot Daniel J | General Counsel & Secretary | Tax withholding (F) | 214 | $1K |
| Oct 28, 2025 | Sestanovich Elizabeth | Chief People Officer | Tax withholding (F) | 158 | $976 |
| Oct 28, 2025 | Kidambi Tridivesh | Chief Financial Officer | Tax withholding (F) | 263 | $2K |
| Company | Co-held by | Combined value |
|---|---|---|
| AMAZON.COM INCAMZN | 4 funds | $2.1B |
| MICRON TECHNOLOGY INCMU | 4 funds | $1.7B |
| MICROSOFT CORPMSFT | 4 funds | $1.5B |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 4 funds | $1.4B |
| BROADCOM INCAVGO | 4 funds | $1.2B |
| META PLATFORMS INC-CLASS AMETA | 4 funds | $1.2B |
| ALPHABET INC-CL AGOOGL | 4 funds | $1.2B |
| TESLA INCTSLA | 4 funds | $1.0B |
| JPMORGAN CHASE & COJPM | 4 funds | $891.6M |
| WARNER BROS DISCOVERY INCWBD | 4 funds | $815.6M |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 4 funds | $772.0M |
| NORFOLK SOUTHERN CORPNSC | 4 funds | $756.3M |
Ranked by how many of SST'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 SST. 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.