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 OSTX 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/OSTX"
Use Arkolith to show who owns OSTX, 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 | $164K | 117K | ▲New +117K sh | Q1 2026 | |
| 2 | STATE STREET CORP | $129K | 91K | ▲+56% Added · +33K sh | Q1 2026 | |
| 3 | Beacon Pointe Advisors, LLC | $88K | 63K | ▲New +63K sh | Q1 2026 | |
| 4 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $35K | 25K | —Held | Q1 2026 | |
| 5 | Stratos Wealth Advisors, LLC | $19K | 14K | —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 22, 2026 | Acevedo Christopher P. | Chief Financial Officer | Grant (A) | 100K | $0 |
| Jan 22, 2026 | Galzahr Karim | Director | Grant (A) | 50K | $0 |
| Jan 22, 2026 | Jarry Olivier Roger | Director | Grant (A) | 50K | $0 |
| Jan 22, 2026 | Romness Paul A. | President and CEO, Director | Grant (A) | 1.0M | $0 |
| Jan 22, 2026 | PETIT ROBERT | See Remarks | Grant (A) | 100K | $0 |
| Jan 22, 2026 | McKean-Dieser Avril Suzette | Director | Grant (A) | 50K | $0 |
| Jan 22, 2026 | Search Theodore F. | Director | Grant (A) | 50K | $0 |
| Jan 22, 2026 | Ciccio John | Director | Grant (A) | 50K | $0 |
| Oct 21, 2025 | Romness Paul A. | President and CEO, Director | Grant (A) | 1.0M | $0 |
| Oct 21, 2025 | Galzahr Karim | Director | Grant (A) | 140K | $0 |
| Oct 21, 2025 | Jarry Olivier Roger | Director | Grant (A) | 140K | $0 |
| Oct 21, 2025 | PETIT ROBERT | See Remarks | Grant (A) | 500K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| APPLE INCAAPL | 3 funds | $649.1M |
| NVIDIA CORPNVDA | 3 funds | $508.4M |
| MICROSOFT CORPMSFT | 3 funds | $385.0M |
| AMAZON.COM INCAMZN | 3 funds | $271.2M |
| ALPHABET INC-CL AGOOGL | 3 funds | $226.3M |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 3 funds | $207.4M |
| META PLATFORMS INC-CLASS AMETA | 3 funds | $203.4M |
| JPMORGAN CHASE & COJPM | 3 funds | $188.4M |
| CHEVRON CORPCVX | 3 funds | $163.5M |
| BROADCOM INCAVGO | 3 funds | $151.6M |
| EXXON MOBIL CORPXOM | 3 funds | $146.6M |
| ALPHABET INC-CL CGOOG | 3 funds | $141.8M |
Ranked by how many of OSTX'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 OSTX. 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.