Among active 13F managers last quarter, 1 opened and 1 reduced; the largest holder to move was Citadel Advisors LLC (new position). No open-market insider trades in the last 180 days.
No leg leans either way.
15 tracked 13F filers disclose a position in NTRB as of the latest SEC 13F filings, a combined $1.3M in reported value. 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.
| # | Fund | Shares | Position value | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Vanguard Capital Management LLC | 175K | $558K | —Held | Q2 2026 | |
| 2 | Geode Capital Management, LLC | 62K | $199K | ▼−11% Reduced · −8K sh | Q2 2026 | |
| 3 | UBS Group AG | 33K | $115K | ▲26× Added · +31K sh | Q1 2026 | |
| 4 | Vanguard Fiduciary Trust Co | 25K | $80K | —Held | Q2 2026 | |
| 5 | State Street Corp | 25K | $80K | —Held | Q2 2026 | |
| 6 | Citadel Advisors LLC | 19K | $61K | ▲New +19K sh | Q2 2026 | |
| 7 | Northern Trust Corp | 14K | $49K | —Held | Q1 2026 | |
| 8 | Haven Private, LLC | 11K | $36K | —Held | Q2 2026 | |
| 9 | BlackRock, Inc. | 11K | $34K | ▲+12% Added · +1K sh | Q2 2026 | |
| 10 | Osaic Holdings, Inc. | 5K | $17K | —Held | Q1 2026 | |
| 11 | Vanguard Global Advisers, LLC | 3K | $9K | —Held | Q2 2026 | |
| 12 | Wells Fargo & Company | 3K | $9K | —Held | Q1 2026 | |
| 13 | Tower Research Capital LLC (TRC) | 1K | $4K | ▼−9.1% Reduced · −103 sh | Q1 2026 | |
| 14 | Jones Financial Companies LLLP | 466 | $2K | ▼−20% Reduced · −118 sh | Q1 2026 | |
| 15 | Harbour Investments, Inc. | 3 | $11 | —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.
Last quarter, 1 fund opened a new position in NTRB, while 1 reduced. Based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Their position there |
|---|---|---|
| Amazon.com IncAMZN | 4 funds | $2.7B |
| Nvidia CorpNVDA | 4 funds | $2.5B |
| Apple IncAAPL | 4 funds | $2.3B |
| Microsoft CorpMSFT | 4 funds | $1.5B |
| Broadcom IncAVGO | 4 funds | $1.2B |
| Alphabet Inc-CL AGOOGL | 4 funds | $1.1B |
| Alphabet Inc-CL CGOOG | 4 funds | $945.8M |
| Advanced Micro DevicesAMD | 4 funds | $943.3M |
| Applied Materials IncAMAT | 4 funds | $803.2M |
| Kla CorpKLAC | 4 funds | $783.4M |
| Mastercard Inc - AMA | 4 funds | $775.4M |
| Oracle CorpORCL | 4 funds | $705.1M |
Ranked by how many of NTRB's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in NTRB.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Feb 24, 2022 | Melnik Serguei | Chairman and President, Director | Sell (P) 2 lots, same day | 6K | $22K |
| Feb 24, 2022 | Melnik Serguei | Chairman and President, Director | Buy (P) | 500 | $2K |
One row per insider, day and transaction code; shares and value are summed across the lots. Every lot is on the full insider page and in the filing.
Where institutional funds (13F), corporate insiders (Form 4) and US House members (STOCK Act) are buying or selling the same name in the same window. Green is buying, red is selling.
Insiders and Congress: last 180 days. Funds: latest 13F, top 100 holders incl. passive
| Source | Buying | Selling | Net |
|---|---|---|---|
13F funds Top 100 holders by value, passive included; the hero counts active managers only | 2 | 3 | – |
Insiders Form 4 open-market | 0 | 0 | $0 |
US House STOCK Act trades | 0 | 0 | $0 |
Capital Rotation reports where institutional capital disclosed rotating, as of the latest public SEC 13F filings. It is data, not investment advice, a recommendation, or a prediction. Filings lag about 45 days and cover long US equity positions only. Past disclosed flows do not indicate future prices. Do your own research; consult a licensed advisor.
| Class | 13F holders | Value held |
|---|---|---|
| NTRBthis pageStock | 15 funds | $1.3M |
| NTRBW*W EXP 99/99/999 | 3 funds | $145K |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
Connected entities for NTRB
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/NTRB/capital-change-brief"
Use Arkolith's capital_change_brief for NTRB. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
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.