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 NB 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/NB"
Use Arkolith to show who owns NB, 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. | $31.3M | 7.0M | ▲+10.0% Added · +636K sh | Q1 2026 | |
| 2 | CITADEL ADVISORS LLC | $27.7M | 6.2M | ▲31× Added · +6.0M sh | Q1 2026 | |
| 3 | Alyeska Investment Group, L.P. | $19.2M | 4.3M | ▲+170% Added · +2.7M sh | Q1 2026 | |
| 4 | GOLDMAN SACHS GROUP INC | $14.7M | 3.3M | ▲+259% Added · +2.4M sh | Q1 2026 | |
| 5 | PRIVATE MANAGEMENT GROUP INC | $9.6M | 2.1M | —Held | Q1 2026 | |
| 6 | STATE STREET CORP | $9.2M | 2.1M | ▲+17% Added · +300K sh | Q1 2026 | |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | $6.9M | 1.6M | ▲+19% Added · +250K sh | Q1 2026 | |
| 8 | VANGUARD GROUP INC | $5.8M | 1.1M | ▲+37% Added · +296K sh | Q4 2025 | |
| 9 | CITIGROUP INC | $5.1M | 1.1M | ▲75× Added · +1.1M sh | Q1 2026 | |
| 10 | NORTHERN TRUST CORP | $5.0M | 1.1M | ▲+7.9% Added · +82K sh | Q1 2026 | |
| 11 | VANGUARD PORTFOLIO MANAGEMENT LLC | $4.5M | 1.0M | ▲New +1.0M sh | Q1 2026 | |
| 12 | Bridgewater Associates, LP | $3.9M | 883K | ▲+37% Added · +237K sh | Q1 2026 | |
| 13 | Nuveen, LLC | $3.2M | 723K | ▼−18% Reduced · −156K sh | Q1 2026 | |
| 14 | ALPS ADVISORS INC | $2.6M | 584K | ▲+79% Added · +258K sh | Q1 2026 | |
| 15 | Squarepoint Ops LLC | $2.5M | 563K | ▲New +563K sh | Q1 2026 | |
| 16 | Point72 Asset Management, L.P. | $2.3M | 506K | ▲+87% Added · +235K sh | Q1 2026 | |
| 17 | MORGAN STANLEY | $2.0M | 442K | ▼−42% Reduced · −324K sh | Q1 2026 | |
| 18 | UBS Group AG | $1.8M | 412K | ▲+73% Added · +175K sh | Q1 2026 | |
| 19 | JANE STREET GROUP, LLC | $1.7M | 392K | ▼−46% Reduced · −329K sh | Q1 2026 | |
| 20 | Jump Financial, LLC | $1.6M | 370K | ▲+498% Added · +308K sh | Q1 2026 | |
| 21 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $1.6M | 360K | ▲+46% Added · +114K sh | Q1 2026 | |
| 22 | Swiss National Bank | $1.3M | 288K | ▲+30% Added · +66K sh | Q1 2026 | |
| 23 | Altshuler Shaham Ltd | $1.3M | 14K | ▲New +14K sh | Q1 2026 | |
| 24 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $1.2M | 258K | ▼−2.2% Reduced · −6K sh | Q1 2026 | |
| 25 | BANK OF MONTREAL /CAN/ | $1.1M | 249K | ▲+47% Added · +80K 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 |
|---|---|---|---|---|---|
| Dec 15, 2025 | Kehler Dean C | Director | Option exercise (X) | 78K | $0 |
| Dec 15, 2025 | Kehler Dean C | Director | Option exercise (X) | 78K | $276K |
| Dec 15, 2025 | Smith Mark A. | President & CEO, Director | Option exercise (X) | 47K | $0 |
| Dec 15, 2025 | Shah Neal S. | Chief Financial Officer | Option exercise (X) | 9K | $0 |
| Dec 15, 2025 | Smith Mark A. | President & CEO, Director | Option exercise (X) | 47K | $166K |
| Dec 15, 2025 | Shah Neal S. | Chief Financial Officer | Option exercise (X) | 9K | $33K |
| Aug 18, 2025 | Kehler Dean C | Director | Grant (A) | 50K | $0 |
| Aug 18, 2025 | Oliver Peter Robert | Director | Grant (A) | 60K | $0 |
| Aug 18, 2025 | Shah Neal S. | Chief Financial Officer | Grant (A) | 250K | $0 |
| Aug 18, 2025 | Sims James T. | Chief Communications Officer | Grant (A) | 250K | $0 |
| Aug 18, 2025 | Fulton Anthony W | Director | Grant (A) | 50K | $0 |
| Aug 18, 2025 | Cleave Ernest M. | Senior VP Business Development | Grant (A) | 100K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 67 funds | $24.7B |
| MICRON TECHNOLOGY INCMU | 67 funds | $5.8B |
| NETFLIX INCNFLX | 67 funds | $4.6B |
| NVIDIA CORPNVDA | 66 funds | $34.6B |
| AMAZON.COM INCAMZN | 66 funds | $21.4B |
| META PLATFORMS INC-CLASS AMETA | 66 funds | $12.7B |
| ELI LILLY & COLLY | 66 funds | $6.5B |
| COSTCO WHOLESALE CORPCOST | 66 funds | $4.6B |
| MASTERCARD INC - AMA | 66 funds | $4.4B |
| APPLE INCAAPL | 65 funds | $28.2B |
| ALPHABET INC-CL AGOOGL | 65 funds | $17.0B |
| BROADCOM INCAVGO | 65 funds | $13.4B |
Ranked by how many of NB'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 NB. 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.