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 NECB 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/NECB"
Use Arkolith to show who owns NECB, 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. | $27.5M | 1.2M | ▼−2.1% Reduced · −25K sh | Q1 2026 | |
| 2 | VANGUARD GROUP INC | $14.9M | 657K | ▼−2.1% Reduced · −14K sh | Q4 2025 | |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | $12.1M | 510K | ▲New +510K sh | Q1 2026 | |
| 4 | DIMENSIONAL FUND ADVISORS LP | $11.1M | 467K | ▲+5.8% Added · +26K sh | Q1 2026 | |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | $9.4M | 396K | ▲+0.2% Added · +718 sh | Q1 2026 | |
| 6 | STATE STREET CORP | $6.8M | 285K | ▼−1.2% Reduced · −3K sh | Q1 2026 | |
| 7 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $5.9M | 247K | —Held | Q1 2026 | |
| 8 | RENAISSANCE TECHNOLOGIES LLC | $4.2M | 176K | ▲+19% Added · +29K sh | Q1 2026 | |
| 9 | Connor, Clark & Lunn Investment Management Ltd. | $4.0M | 167K | ▲~0% Added · +11 sh | Q1 2026 | |
| 10 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $3.5M | 146K | ▲+10% Added · +14K sh | Q1 2026 | |
| 11 | NORTHERN TRUST CORP | $3.1M | 132K | ▲+3.2% Added · +4K sh | Q1 2026 | |
| 12 | MORGAN STANLEY | $2.8M | 117K | ▲+20% Added · +20K sh | Q1 2026 | |
| 13 | MANGROVE PARTNERS IM, LLC | $2.4M | 101K | —Held | Q1 2026 | |
| 14 | SEGALL BRYANT & HAMILL, LLC | $2.4M | 99K | ▼−0.4% Reduced · −382 sh | Q1 2026 | |
| 15 | Empowered Funds, LLC | $2.3M | 97K | ▲New +97K sh | Q1 2026 | |
| 16 | Qube Research & Technologies Ltd | $2.2M | 94K | ▼−2.9% Reduced · −3K sh | Q1 2026 | |
| 17 | AQR CAPITAL MANAGEMENT LLC | $2.1M | 87K | ▲+98% Added · +43K sh | Q1 2026 | |
| 18 | AMERIPRISE FINANCIAL INC | $2.0M | 83K | ▼−3.0% Reduced · −3K sh | Q1 2026 | |
| 19 | Focus Partners Wealth | $2.0M | 82K | ▲+0.4% Added · +352 sh | Q1 2026 | |
| 20 | TWO SIGMA INVESTMENTS, LP | $1.9M | 79K | ▲+14% Added · +9K sh | Q1 2026 | |
| 21 | CITADEL ADVISORS LLC | $1.8M | 75K | ▲+49% Added · +24K sh | Q1 2026 | |
| 22 | VANGUARD FIDUCIARY TRUST CO | $1.8M | 74K | ▲New +74K sh | Q1 2026 | |
| 23 | VANGUARD PORTFOLIO MANAGEMENT LLC | $1.7M | 71K | ▲New +71K sh | Q1 2026 | |
| 24 | HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | $1.6M | 68K | ▲New +68K sh | Q1 2026 | |
| 25 | Bank of New York Mellon Corp | $1.6M | 67K | ▼−1.0% Reduced · −688 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 12, 2026 | Cirillo Charles Michael | Director | Sell (S) | 4K | $82K |
| Mar 5, 2026 | McKenzie John F | Director | Sell (S) | 3K | $72K |
| Mar 4, 2026 | Cirillo Charles Michael | Director | Option exercise (M) | 7K | $90K |
| Mar 4, 2026 | Cirillo Charles Michael | Director | Tax withholding (F) | 4K | $90K |
| Mar 4, 2026 | Cirillo Charles Michael | Director | Option exercise (M) | 7K | $0 |
| Feb 26, 2026 | McKenzie John F | Director | Option exercise (M) | 3K | $37K |
| Feb 26, 2026 | McKenzie John F | Director | Option exercise (M) | 3K | $0 |
| Dec 12, 2025 | Hom Donald S | EVP and CFO | Sell (S) | 2K | $48K |
| Dec 11, 2025 | Cavanaugh Diane B | Director | Sell (S) | 100 | $2K |
| Dec 11, 2025 | Martinek Charles A | Director | Sell (S) | 1K | $25K |
| Dec 11, 2025 | Martinek Charles A | Director | Sell (S) | 940 | $22K |
| Dec 11, 2025 | Cavanaugh Diane B | Director | Sell (S) | 900 | $21K |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 31 funds | $14.1B |
| NVIDIA CORPNVDA | 30 funds | $21.1B |
| APPLE INCAAPL | 30 funds | $17.7B |
| AMAZON.COM INCAMZN | 30 funds | $10.3B |
| ALPHABET INC-CL AGOOGL | 30 funds | $8.5B |
| ALPHABET INC-CL CGOOG | 30 funds | $8.0B |
| META PLATFORMS INC-CLASS AMETA | 30 funds | $5.7B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 30 funds | $3.8B |
| JPMORGAN CHASE & COJPM | 30 funds | $3.7B |
| VISA INC-CLASS A SHARESV | 30 funds | $2.7B |
| SALESFORCE INCCRM | 30 funds | $2.1B |
| WALMART INCWMT | 30 funds | $2.0B |
Ranked by how many of NECB'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 NECB. 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.