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 NNBR 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/NNBR"
Use Arkolith to show who owns NNBR, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | FIRST MANHATTAN CO. LLC. | $4.8M | 3.3M | ▲+11% Added · +333K sh | Q1 2026 | |
| 2 | Nantahala Capital Management, LLC | $3.5M | 2.4M | —Held | Q1 2026 | |
| 3 | VANGUARD GROUP INC | $2.8M | 2.2M | ▲+0.9% Added · +20K sh | Q4 2025 | |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $2.8M | 1.9M | ▲New +1.9M sh | Q1 2026 | |
| 5 | MORGAN STANLEY | $2.2M | 1.5M | ▼−0.1% Reduced · −1K sh | Q1 2026 | |
| 6 | BlackRock, Inc. | $1.1M | 742K | ▲+0.8% Added · +6K sh | Q1 2026 | |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | $974K | 672K | ▲+8.3% Added · +52K sh | Q1 2026 | |
| 8 | RENAISSANCE TECHNOLOGIES LLC | $796K | 549K | ▲+49% Added · +182K sh | Q1 2026 | |
| 9 | CITADEL ADVISORS LLC | $427K | 295K | ▼−5.3% Reduced · −16K sh | Q1 2026 | |
| 10 | DIMENSIONAL FUND ADVISORS LP | $409K | 282K | ▼−52% Reduced · −305K sh | Q1 2026 | |
| 11 | Squarepoint Ops LLC | $402K | 277K | ▲+14% Added · +33K sh | Q1 2026 | |
| 12 | JANE STREET GROUP, LLC | $383K | 264K | ▲+3.1% Added · +8K sh | Q1 2026 | |
| 13 | VANGUARD FIDUCIARY TRUST CO | $370K | 255K | ▲New +255K sh | Q1 2026 | |
| 14 | STATE STREET CORP | $305K | 211K | ▲+5.9% Added · +12K sh | Q1 2026 | |
| 15 | PARADIGM CAPITAL MANAGEMENT INC/NY | $290K | 200K | —Held | Q1 2026 | |
| 16 | GOLDMAN SACHS GROUP INC | $252K | 174K | ▼−3.9% Reduced · −7K sh | Q1 2026 | |
| 17 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $246K | 170K | —Held | Q1 2026 | |
| 18 | MARSHALL WACE, LLP | $168K | 116K | ▲New +116K sh | Q1 2026 | |
| 19 | Empowered Funds, LLC | $151K | 104K | ▲New +104K sh | Q1 2026 | |
| 20 | XTX Topco Ltd | $150K | 103K | ▲+40% Added · +29K sh | Q1 2026 | |
| 21 | Clearstead Advisors, LLC | $145K | 100K | —Held | Q1 2026 | |
| 22 | NORTHERN TRUST CORP | $125K | 86K | —Held | Q1 2026 | |
| 23 | Corient Private Wealth LLC | $105K | 73K | ▲+0.7% Added · +500 sh | Q1 2026 | |
| 24 | GABELLI FUNDS LLC | $88K | 61K | —Held | Q1 2026 | |
| 25 | CIBC Bancorp USA Inc. | $87K | 60K | ▲New +60K 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 |
|---|---|---|---|---|---|
| Jun 8, 2026 | Esch Robert James | Pres. & CTO, Machined Products | Grant (A) | 7K | $0 |
| Mar 19, 2026 | NIXON D. GAIL | Senior VP, Human Resources | Tax withholding (F) | 1K | $2K |
| Mar 18, 2026 | STATHAM JAMI | SVP, General Counsel | Grant (A) | 81K | $0 |
| Mar 18, 2026 | Wilson Thomas Hampton Jr. | Director | Grant (A) | 52K | $0 |
| Mar 18, 2026 | Gautam Rajeev | Director | Grant (A) | 52K | $0 |
| Mar 18, 2026 | Faria Joao V | Director | Grant (A) | 52K | $0 |
| Mar 18, 2026 | NIXON D. GAIL | Senior VP, Human Resources | Tax withholding (F) | 42K | $52K |
| Mar 18, 2026 | Legion Partners, L.P. II | Director | Grant (A) | 49K | $0 |
| Mar 18, 2026 | NIXON D. GAIL | Senior VP, Human Resources | Option exercise (M) | 124K | — |
| Mar 18, 2026 | NIXON D. GAIL | Senior VP, Human Resources | Grant (A) | 54K | $0 |
| Mar 18, 2026 | NIXON D. GAIL | Senior VP, Human Resources | Option exercise (M) | 124K | $0 |
| Mar 18, 2026 | Carroll Christina | Director | Grant (A) | 52K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| BROADCOM INCAVGO | 14 funds | $4.0B |
| BRISTOL-MYERS SQUIBB COBMY | 14 funds | $285.0M |
| LUMENTUM HOLDINGS INCLITE | 14 funds | $271.3M |
| MICROSOFT CORPMSFT | 13 funds | $5.7B |
| AMAZON.COM INCAMZN | 13 funds | $5.7B |
| ALPHABET INC-CL CGOOG | 13 funds | $3.0B |
| APPLIED MATERIALS INCAMAT | 13 funds | $1.8B |
| VISA INC-CLASS A SHARESV | 13 funds | $1.6B |
| ORACLE CORPORCL | 13 funds | $1.4B |
| COSTCO WHOLESALE CORPCOST | 13 funds | $1.3B |
| UNITEDHEALTH GROUP INCUNH | 13 funds | $1.3B |
| ELI LILLY & COLLY | 13 funds | $1.2B |
Ranked by how many of NNBR'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 NNBR. 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.