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 OSRH 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/OSRH"
Use Arkolith to show who owns OSRH, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | GEODE CAPITAL MANAGEMENT, LLC | $64K | 106K | ▲+85% Added · +48K sh | Q1 2026 | |
| 2 | XTX Topco Ltd | $37K | 61K | ▲New +61K sh | Q1 2026 | |
| 3 | VANGUARD GROUP INC | $31K | 54K | —Held | Q4 2025 | |
| 4 | TORONTO DOMINION BANK | $24K | 40K | ▲New +40K sh | Q1 2026 | |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | $23K | 37K | ▲New +37K sh | Q1 2026 | |
| 6 | VANGUARD FIDUCIARY TRUST CO | $10K | 17K | ▲New +17K sh | Q1 2026 | |
| 7 | StoneX Group Inc. | $9K | 15K | ▲New +15K sh | Q1 2026 | |
| 8 | UBS Group AG | $3K | 4K | ▼−60% Reduced · −7K sh | Q1 2026 | |
| 9 | Tower Research Capital LLC (TRC) | $2K | 4K | ▼−0.2% Reduced · −9 sh | Q1 2026 | |
| 10 | CITIGROUP INC | $232 | 384 | ▲+7.3% Added · +26 sh | Q1 2026 | |
| 11 | SBI Securities Co., Ltd. | $46 | 77 | ▲+381% Added · +61 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 14, 2025 | Hwang Kuk Hyoun | President and CEO, Director, 10% Owner | Other (J) | 43K | $0 |
| Feb 14, 2025 | Hwang Kuk Hyoun | President and CEO, Director, 10% Owner | Other (J) | 3.1M | $0 |
| Feb 14, 2025 | Hwang Kuk Hyoun | President and CEO, Director, 10% Owner | Other (J) | 7.5M | $0 |
| Feb 14, 2025 | Bellevue Global Life Science Investors LLC | 10% Owner | Other (J) | 43K | $0 |
| Class | 13F holders | Value held |
|---|---|---|
| OSRHWWARRANT | 12 funds | $231K |
| OSRHthis pageCommon Stock | 11 funds | $203K |
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 | 3 funds | $1.8B |
| AMAZON.COM INCAMZN | 3 funds | $1.1B |
| ARISTA NETWORKS INCANET | 3 funds | $807.4M |
| BROADCOM INCAVGO | 3 funds | $732.8M |
| CREDO TECHNOLOGY GROUP HOLDICRDO | 3 funds | $703.5M |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 3 funds | $653.3M |
| APPLIED MATERIALS INCAMAT | 3 funds | $592.9M |
| META PLATFORMS INC-CLASS AMETA | 3 funds | $555.3M |
| RTX CORPRTX | 3 funds | $401.6M |
| BLOCK INCXYZ | 3 funds | $382.4M |
| HOME DEPOT INCHD | 3 funds | $376.3M |
| ANALOG DEVICES INCADI | 3 funds | $364.8M |
Ranked by how many of OSRH'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 OSRH. 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.