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 NBBK 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/NBBK"
Use Arkolith to show who owns NBBK, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $65.0M | 3.1M | ▼−0.6% Reduced · −20K sh | Q1 2026 | |
| 2 | VANGUARD GROUP INC | $45.6M | 2.3M | ▲+18% Added · +351K sh | Q4 2025 | |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | $35.9M | 1.7M | ▲New +1.7M sh | Q1 2026 | |
| 4 | STATE STREET CORP | $27.3M | 1.3M | ▲+16% Added · +179K sh | Q1 2026 | |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | $23.2M | 1.1M | ▲+14% Added · +132K sh | Q1 2026 | |
| 6 | GOLDMAN SACHS GROUP INC | $14.6M | 692K | ▲+16% Added · +98K sh | Q1 2026 | |
| 7 | DIMENSIONAL FUND ADVISORS LP | $11.0M | 522K | ▲+81% Added · +234K sh | Q1 2026 | |
| 8 | Nuveen, LLC | $10.3M | 488K | ▲+41% Added · +141K sh | Q1 2026 | |
| 9 | HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | $9.5M | 451K | ▼−36% Reduced · −251K sh | Q1 2026 | |
| 10 | FMR LLC | $9.2M | 438K | ▲+14% Added · +55K sh | Q1 2026 | |
| 11 | VANGUARD PORTFOLIO MANAGEMENT LLC | $8.1M | 386K | ▲New +386K sh | Q1 2026 | |
| 12 | TWO SIGMA INVESTMENTS, LP | $7.8M | 372K | ▲+47% Added · +119K sh | Q1 2026 | |
| 13 | NORTHERN TRUST CORP | $7.1M | 335K | ▲+3.4% Added · +11K sh | Q1 2026 | |
| 14 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $6.7M | 318K | ▼−3.3% Reduced · −11K sh | Q1 2026 | |
| 15 | SEI INVESTMENTS CO | $6.4M | 302K | ▲+110% Added · +158K sh | Q1 2026 | |
| 16 | MORGAN STANLEY | $5.9M | 280K | ▲+16% Added · +38K sh | Q1 2026 | |
| 17 | RENAISSANCE TECHNOLOGIES LLC | $5.6M | 264K | ▲+5.0% Added · +13K sh | Q1 2026 | |
| 18 | AMERICAN CENTURY COMPANIES INC | $5.6M | 264K | ▲+19% Added · +42K sh | Q1 2026 | |
| 19 | NEW YORK STATE COMMON RETIREMENT FUND | $5.5M | 261K | ▲+80% Added · +116K sh | Q1 2026 | |
| 20 | VANGUARD FIDUCIARY TRUST CO | $5.4M | 254K | ▲New +254K sh | Q1 2026 | |
| 21 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $4.4M | 208K | ▲+7.9% Added · +15K sh | Q1 2026 | |
| 22 | Qube Research & Technologies Ltd | $3.7M | 175K | ▲10× Added · +158K sh | Q1 2026 | |
| 23 | Empowered Funds, LLC | $3.5M | 168K | ▲+9.9% Added · +15K sh | Q1 2026 | |
| 24 | MILLENNIUM MANAGEMENT LLC | $3.3M | 158K | ▲+188% Added · +103K sh | Q1 2026 | |
| 25 | PANAGORA ASSET MANAGEMENT INC | $3.2M | 150K | ▼−0.2% Reduced · −295 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 |
|---|---|---|---|---|---|
| Mar 19, 2026 | CAMPANELLI JOSEPH P | President & CEO, Director | Buy (P) | 3K | $50K |
| Mar 9, 2026 | Lapointe Jean-Pierre | SEVP and CFO | Buy (P) | 1K | $20K |
| Mar 9, 2026 | Schulman Matthew G | EVP, President Needham Prv Bnk | Grant (A) | 7K | $0 |
| Mar 6, 2026 | CAMPANELLI JOSEPH P | President & CEO, Director | Buy (P) | 2K | $42K |
| Mar 6, 2026 | CAMPANELLI JOSEPH P | President & CEO, Director | Buy (P) | 3K | $62K |
| Feb 25, 2026 | Henkin Kevin | EVP, Chief Credit Officer | Grant (A) | 7K | $0 |
| Feb 25, 2026 | EVANGELISTA PAUL A | EVP, Dir Spec. Bank. Ctr. | Grant (A) | 7K | $0 |
| Feb 25, 2026 | Maiona Stephanie | EVP, Dir CRE Banking | Grant (A) | 7K | $0 |
| Feb 25, 2026 | CAMPANELLI JOSEPH P | President & CEO, Director | Grant (A) | 63K | $0 |
| Feb 25, 2026 | White James J. | EVP, Chief Administrative Offc | Grant (A) | 7K | $0 |
| Feb 25, 2026 | Daley James B. | EVP - Dir C&I Banking | Grant (A) | 7K | $0 |
| Feb 25, 2026 | Roberts Christine | SEVP and COO | Grant (A) | 14K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 52 funds | $22.9B |
| ALPHABET INC-CL AGOOGL | 52 funds | $15.3B |
| VISA INC-CLASS A SHARESV | 52 funds | $4.8B |
| AUTOMATIC DATA PROCESSINGADP | 52 funds | $727.2M |
| NVIDIA CORPNVDA | 51 funds | $35.4B |
| AMAZON.COM INCAMZN | 51 funds | $16.5B |
| META PLATFORMS INC-CLASS AMETA | 51 funds | $10.3B |
| ELI LILLY & COLLY | 51 funds | $6.0B |
| COSTCO WHOLESALE CORPCOST | 51 funds | $3.9B |
| WALMART INCWMT | 51 funds | $3.8B |
| HOME DEPOT INCHD | 51 funds | $3.1B |
| BANK OF AMERICA CORPBAC | 51 funds | $2.9B |
Ranked by how many of NBBK'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 NBBK. 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.