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 NTRB 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/NTRB"
Use Arkolith to show who owns NTRB, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | VANGUARD CAPITAL MANAGEMENT LLC | $617K | 175K | ▲New +175K sh | Q1 2026 | |
| 2 | GEODE CAPITAL MANAGEMENT, LLC | $247K | 70K | ▲+17% Added · +10K sh | Q1 2026 | |
| 3 | UBS Group AG | $115K | 33K | ▲26× Added · +31K sh | Q1 2026 | |
| 4 | VANGUARD FIDUCIARY TRUST CO | $89K | 25K | ▲New +25K sh | Q1 2026 | |
| 5 | STATE STREET CORP | $88K | 25K | —Held | Q1 2026 | |
| 6 | NORTHERN TRUST CORP | $49K | 14K | —Held | Q1 2026 | |
| 7 | BlackRock, Inc. | $34K | 10K | ▲+8.7% Added · +767 sh | Q1 2026 | |
| 8 | OSAIC HOLDINGS, INC. | $17K | 5K | —Held | Q1 2026 | |
| 9 | Vanguard Global Advisers, LLC | $10K | 3K | ▲New +3K sh | Q1 2026 | |
| 10 | WELLS FARGO & COMPANY/MN | $9K | 3K | —Held | Q1 2026 | |
| 11 | Tower Research Capital LLC (TRC) | $4K | 1K | ▼−9.1% Reduced · −103 sh | Q1 2026 | |
| 12 | JONES FINANCIAL COMPANIES LLLP | $2K | 466 | ▼−20% Reduced · −118 sh | Q1 2026 | |
| 13 | HARBOUR INVESTMENTS, INC. | $11 | 3 | —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 |
|---|---|---|---|---|---|
| Jun 6, 2024 | Goodman Gerald | Chief Financial Officer | Option exercise (M) | 88K | $169K |
| Mar 20, 2024 | Sheridan Gareth | CEO, Director, 10% Owner | Grant (A) | 75K | $178K |
| Mar 20, 2024 | MELNIK SERGUEI | President and Secretary, Director | Grant (A) | 98K | $254K |
| Mar 20, 2024 | Goodman Gerald | Chief Financial Officer | Grant (A) | 75K | $178K |
| Mar 6, 2023 | MELNIK SERGUEI | Chairman and President, Director, 10% Owner | Gift (G) | 5K | $0 |
| Jun 15, 2022 | Sheridan Gareth | CEO, Director, 10% Owner | Gift (G) | 10K | $0 |
| May 10, 2022 | Sheridan Gareth | CEO, Director, 10% Owner | Grant (A) | 10K | $38K |
| Feb 24, 2022 | MELNIK SERGUEI | Chairman and President, Director | Sell (P) | 5K | $20K |
| Feb 24, 2022 | MELNIK SERGUEI | Chairman and President, Director | Sell (P) | 500 | $2K |
| Feb 24, 2022 | MELNIK SERGUEI | Chairman and President, Director | Buy (P) | 500 | $2K |
| Feb 6, 2022 | MELNIK SERGUEI | Chairman and President, Director | Gift (G) | 10K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 1 funds | $429.4M |
| VANGUARD S&P 500 ETFVOO | 1 funds | $217.3M |
| VANGUARD TOTAL STOCK MKT ETFVTI | 1 funds | $186.4M |
| APPLE INCAAPL | 1 funds | $119.3M |
| INVESCO QQQ TRUST SERIES 1QQQ | 1 funds | $110.6M |
| VANGUARD TOT WORLD STK ETFVT | 1 funds | $109.5M |
| TESLA INCTSLA | 1 funds | $97.5M |
| ALPHABET INC-CL AGOOGL | 1 funds | $89.6M |
| VANGUARD HIGH DVD YIELD ETFVYM | 1 funds | $86.8M |
| AMAZON.COM INCAMZN | 1 funds | $81.6M |
| PALANTIR TECHNOLOGIES INC-APLTR | 1 funds | $77.4M |
| MICROSOFT CORPMSFT | 1 funds | $75.6M |
Ranked by how many of NTRB'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 NTRB. 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.