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 OTH 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/OTH"
Use Arkolith to show who owns OTH, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | CITADEL ADVISORS LLC | $167K | 84K | ▼−61% Reduced · −134K sh | Q1 2026 | |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | $115K | 58K | ▲New +58K sh | Q1 2026 | |
| 3 | GEODE CAPITAL MANAGEMENT, LLC | $58K | 29K | ▲+45% Added · +9K sh | Q1 2026 | |
| 4 | VANGUARD GROUP INC | $41K | 20K | ▲New +20K sh | Q4 2025 | |
| 5 | VANGUARD FIDUCIARY TRUST CO | $39K | 20K | ▲New +20K sh | Q1 2026 | |
| 6 | UBS Group AG | $32K | 16K | ▼−26% Reduced · −6K sh | Q1 2026 | |
| 7 | MILLENNIUM MANAGEMENT LLC | $28K | 14K | ▼−43% Reduced · −11K sh | Q1 2026 | |
| 8 | BlackRock, Inc. | $16K | 8K | ▲New +8K 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 |
|---|---|---|---|---|---|
| Jan 16, 2026 | Gonnelli Robert Rosario | Director | Buy (P) | 5K | $13K |
| Dec 30, 2025 | SIMMONS ANDREW JAMES | Vice President and Director, Director | Grant (A) | 1.2M | $0 |
| Dec 22, 2025 | Phillips Blake Randall | Chief Operating Officer | Grant (A) | 150K | $0 |
| Dec 22, 2025 | Phillips Blake Randall | Chief Operating Officer | Grant (A) | 250K | $0 |
| Dec 17, 2025 | Corbin Chad Gregory | Chief Financial Officer | Grant (A) | 50K | $0 |
| Dec 17, 2025 | Corbin Chad Gregory | Chief Financial Officer | Grant (A) | 50K | $0 |
| Dec 17, 2025 | Corbin Chad Gregory | Chief Financial Officer | Grant (A) | 50K | $0 |
| Dec 15, 2025 | Gonnelli Robert Rosario | Director | Grant (A) | 150K | $0 |
| Dec 15, 2025 | Gonnelli Robert Rosario | Director | Grant (A) | 5K | $0 |
| Dec 12, 2025 | Gonnelli Robert Rosario | Director | Buy (P) | 4K | $12K |
| Dec 12, 2025 | Gonnelli Robert Rosario | Director | Buy (P) | 2K | $6K |
| Dec 11, 2025 | John Brian | Chief Executive Officer, Director, 10% Owner | Grant (A) | 5K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 1 funds | $3.3B |
| ISHARES CORE S&P 500 ETFIVV | 1 funds | $2.7B |
| AMAZON.COM INCAMZN | 1 funds | $1.7B |
| MICRON TECHNOLOGY INCMU | 1 funds | $1.6B |
| SS SPDR DOW JONES INDUS AVGDIA | 1 funds | $1.6B |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 1 funds | $1.4B |
| APPLE INCAAPL | 1 funds | $1.3B |
| META PLATFORMS INC-CLASS AMETA | 1 funds | $1.0B |
| BROADCOM INCAVGO | 1 funds | $1.0B |
| MICROSOFT CORPMSFT | 1 funds | $976.6M |
| ALPHABET INC-CL AGOOGL | 1 funds | $816.7M |
| WARNER BROS DISCOVERY INCWBD | 1 funds | $806.8M |
Ranked by how many of OTH'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 OTH. 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.