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 NFBK 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/NFBK"
Use Arkolith to show who owns NFBK, 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. | $70.8M | 5.2M | ▼−3.2% Reduced · −173K sh | Q1 2026 | |
| 2 | DIMENSIONAL FUND ADVISORS LP | $34.6M | 2.6M | ▲+1.0% Added · +25K sh | Q1 2026 | |
| 3 | VANGUARD GROUP INC | $25.7M | 2.2M | ▲+2.2% Added · +48K sh | Q4 2025 | |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $22.9M | 1.7M | ▲New +1.7M sh | Q1 2026 | |
| 5 | RENAISSANCE TECHNOLOGIES LLC | $17.7M | 1.3M | ▲+22% Added · +233K sh | Q1 2026 | |
| 6 | STATE STREET CORP | $14.3M | 1.1M | ▼−5.3% Reduced · −59K sh | Q1 2026 | |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | $12.6M | 927K | ▲+1.9% Added · +18K sh | Q1 2026 | |
| 8 | AMERICAN CENTURY COMPANIES INC | $11.7M | 861K | ▲+23% Added · +161K sh | Q1 2026 | |
| 9 | BALYASNY ASSET MANAGEMENT L.P. | $11.4M | 839K | ▲New +839K sh | Q1 2026 | |
| 10 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $10.5M | 777K | ▲+3.2% Added · +24K sh | Q1 2026 | |
| 11 | Qube Research & Technologies Ltd | $10.4M | 766K | ▲23× Added · +732K sh | Q1 2026 | |
| 12 | TWO SIGMA INVESTMENTS, LP | $7.7M | 571K | ▲+92% Added · +274K sh | Q1 2026 | |
| 13 | AQR CAPITAL MANAGEMENT LLC | $6.9M | 511K | ▼−24% Reduced · −165K sh | Q1 2026 | |
| 14 | FMR LLC | $4.8M | 351K | ▲+14% Added · +43K sh | Q1 2026 | |
| 15 | NORTHERN TRUST CORP | $4.5M | 335K | ▲+6.1% Added · +19K sh | Q1 2026 | |
| 16 | LMR Partners LLP | $4.4M | 323K | ▲New +323K sh | Q1 2026 | |
| 17 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $4.2M | 313K | ▼−2.6% Reduced · −8K sh | Q1 2026 | |
| 18 | VANGUARD PORTFOLIO MANAGEMENT LLC | $3.7M | 277K | ▲New +277K sh | Q1 2026 | |
| 19 | GOLDMAN SACHS GROUP INC | $3.4M | 254K | ▼−22% Reduced · −73K sh | Q1 2026 | |
| 20 | HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | $3.4M | 248K | ▼−59% Reduced · −355K sh | Q1 2026 | |
| 21 | VANGUARD FIDUCIARY TRUST CO | $3.4M | 247K | ▲New +247K sh | Q1 2026 | |
| 22 | Bank of New York Mellon Corp | $3.1M | 227K | ▼−0.5% Reduced · −1K sh | Q1 2026 | |
| 23 | Verition Fund Management LLC | $3.0M | 225K | ▲New +225K sh | Q1 2026 | |
| 24 | O'SHAUGHNESSY ASSET MANAGEMENT, LLC | $3.0M | 220K | ▲+0.7% Added · +2K sh | Q1 2026 | |
| 25 | D. E. Shaw & Co., Inc. | $2.9M | 213K | ▲+13% Added · +24K 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 | Fasanella David | EVP | Buy (P) | 8K | $98K |
| Mar 17, 2026 | Stahlin Paul | Director | Buy (P) | 10K | $132K |
| Feb 4, 2026 | Fasanella David | EVP | Grant (A) | 15K | $0 |
| Feb 4, 2026 | Jacobs William R. | EVP & PAO | Grant (A) | 16K | $0 |
| Feb 4, 2026 | Kulkarni Rachana A | Director | Grant (A) | 4K | $0 |
| Feb 4, 2026 | Kessler Karen J. | Director | Grant (A) | 4K | $0 |
| Feb 4, 2026 | Harrison Timothy C | Director | Grant (A) | 4K | $0 |
| Feb 4, 2026 | Lefkowitz Robin | EVP | Grant (A) | 14K | $0 |
| Feb 4, 2026 | Tomasello Vickie | EVP/Chief Risk Officer | Grant (A) | 13K | $0 |
| Feb 4, 2026 | Connors John P Jr | Director | Grant (A) | 4K | $0 |
| Feb 4, 2026 | Chapman Gil | Director | Grant (A) | 4K | $0 |
| Feb 4, 2026 | Patafio Frank P. | Director | Grant (A) | 4K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 50 funds | $18.8B |
| ALPHABET INC-CL AGOOGL | 49 funds | $12.0B |
| META PLATFORMS INC-CLASS AMETA | 49 funds | $9.2B |
| GENERAL MOTORS COGM | 49 funds | $1.9B |
| AMAZON.COM INCAMZN | 48 funds | $14.3B |
| BROADCOM INCAVGO | 48 funds | $11.3B |
| NVIDIA CORPNVDA | 47 funds | $30.0B |
| ELI LILLY & COLLY | 47 funds | $5.2B |
| VISA INC-CLASS A SHARESV | 47 funds | $4.0B |
| COSTCO WHOLESALE CORPCOST | 47 funds | $3.6B |
| CHEVRON CORPCVX | 47 funds | $3.2B |
| UNITEDHEALTH GROUP INCUNH | 47 funds | $2.6B |
Ranked by how many of NFBK'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 NFBK. 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.