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 NBB 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/NBB"
Use Arkolith to show who owns NBB, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | RIVERBRIDGE PARTNERS LLC | $2.2M | 141K | ▲+4.5% Added · +6K sh | Q1 2026 | |
| 2 | Stratos Wealth Partners, LTD. | $720K | 46K | ▼−4.9% Reduced · −2K sh | Q1 2026 | |
| 3 | SAGESPRING WEALTH PARTNERS, LLC | $605K | 39K | ▲+19% Added · +6K sh | Q1 2026 | |
| 4 | Gerber Kawasaki Wealth & Investment Management | $431K | 27K | ▲+0.2% Added · +63 sh | Q1 2026 | |
| 5 | HORIZON KINETICS ASSET MANAGEMENT LLC | $389K | 25K | ▼−0.6% Reduced · −153 sh | Q1 2026 | |
| 6 | NewEdge Advisors, LLC | $317K | 20K | ▲+18% Added · +3K sh | Q1 2026 | |
| 7 | Calamos Advisors LLC | $296K | 19K | ▲New +19K sh | Q1 2026 | |
| 8 | MGO ONE SEVEN LLC | $292K | 19K | ▲New +19K sh | Q1 2026 | |
| 9 | Integrated Wealth Concepts LLC | $289K | 18K | ▲New +18K sh | Q1 2026 | |
| 10 | Concurrent Investment Advisors, LLC | $287K | 18K | ▲+4.3% Added · +749 sh | Q1 2026 | |
| 11 | U.S. Capital Wealth Advisors, LLC | $244K | 16K | —Held | Q1 2026 | |
| 12 | KESTRA PRIVATE WEALTH SERVICES, LLC | $224K | 14K | ▼−11% Reduced · −2K sh | Q1 2026 | |
| 13 | GREAT VALLEY ADVISOR GROUP, INC. | $173K | 11K | —Held | Q1 2026 | |
| 14 | Steward Partners Investment Advisory, LLC | $11K | 700 | —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 |
|---|---|---|---|---|---|
| Mar 4, 2026 | Siffermann William A | Vice President | Buy (P) | 75 | $1K |
| Company | Co-held by | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 18 funds | $6.4B |
| APPLE INCAAPL | 18 funds | $6.4B |
| MICROSOFT CORPMSFT | 18 funds | $5.1B |
| AMAZON.COM INCAMZN | 18 funds | $3.9B |
| SS SPDR S&P 500 ETF TRUST-USSPY | 18 funds | $3.9B |
| ALPHABET INC-CL AGOOGL | 18 funds | $3.7B |
| VANGUARD S&P 500 ETFVOO | 18 funds | $2.7B |
| ALPHABET INC-CL CGOOG | 18 funds | $1.9B |
| VISA INC-CLASS A SHARESV | 18 funds | $1.4B |
| JOHNSON & JOHNSONJNJ | 18 funds | $1.0B |
| COSTCO WHOLESALE CORPCOST | 18 funds | $1.0B |
| VANGUARD TOTAL STOCK MKT ETFVTI | 18 funds | $962.7M |
Ranked by how many of NBB'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 NBB. 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.