682 tracked 13F filers disclose a position in NBIX as of the latest SEC 13F filings, a combined $13.4B in reported value. 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.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $1.8B | 13.4M | ▲+4.3% Added · +555K sh | Q1 2026 | |
| 2 | DODGE & COX | $719.4M | 5.5M | ▼−0.8% Reduced · −47K sh | Q1 2026 | |
| 3 | JPMORGAN CHASE & CO | $700.5M | 5.4M | ▲+4.6% Added · +242K sh | Q1 2026 | |
| 4 | AQR CAPITAL MANAGEMENT LLC | $650.7M | 4.9M | ▲+51% Added · +1.7M sh | Q1 2026 | |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | $622.6M | 4.7M | →First observed position No prior filed position | Q1 2026 | |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | $594.4M | 4.5M | →First observed position No prior filed position | Q1 2026 | |
| 7 | STATE STREET CORP | $739.1M | 4.4M | ▲+0.7% Added · +31K sh | Q2 2026 | |
| 8 | TWO SIGMA INVESTMENTS, LP | $403.2M | 3.1M | ▲+211% Added · +2.1M sh | Q1 2026 | |
| 9 | RENAISSANCE TECHNOLOGIES LLC | $318.7M | 2.4M | ▲+8.0% Added · +180K sh | Q1 2026 | |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | $359.6M | 2.1M | ▲+0.1% Added · +2K sh | Q2 2026 | |
| 11 | BNP Paribas Asset Management Holding S.A. | $196.8M | 1.5M | ▲+7.0% Added · +98K sh | Q1 2026 | |
| 12 | RTW INVESTMENTS, LP | $213.7M | 1.3M | ▲+19% Added · +206K sh | Q2 2026 | |
| 13 | Vestal Point Capital, LP | $164.7M | 1.3M | ▲New +1.3M sh | Q1 2026 | |
| 14 | MILLENNIUM MANAGEMENT LLC | $164.3M | 1.2M | ▲+182% Added · +805K sh | Q1 2026 | |
| 15 | NORTHERN TRUST CORP | $163.7M | 1.2M | ▲+1.8% Added · +22K sh | Q1 2026 | |
| 16 | UBS Group AG | $160.9M | 1.2M | ▲+24% Added · +238K sh | Q1 2026 | |
| 17 | MORGAN STANLEY | $160.6M | 1.2M | ▲+0.8% Added · +10K sh | Q1 2026 | |
| 18 | NORGES BANK | $162.7M | 1.1M | ▲+18% Added · +174K sh | Q4 2025 | |
| 19 | FIRST TRUST ADVISORS LP | $126.4M | 959K | ▲+97% Added · +472K sh | Q1 2026 | |
| 20 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $118.9M | 903K | ▲+6.1% Added · +52K sh | Q1 2026 | |
| 21 | VICTORY CAPITAL MANAGEMENT INC | $96.4M | 732K | ▲+487% Added · +607K sh | Q1 2026 | |
| 22 | ARMISTICE CAPITAL, LLC | $95.4M | 724K | ▼−12% Reduced · −96K sh | Q1 2026 | |
| 23 | DIMENSIONAL FUND ADVISORS LP | $93.8M | 712K | ▼−0.7% Reduced · −5K sh | Q1 2026 | |
| 24 | Bank of New York Mellon Corp | $92.5M | 702K | ▼−4.9% Reduced · −36K sh | Q1 2026 | |
| 25 | IEQ CAPITAL, LLC | $107.9M | 640K | ▼−16% Reduced · −126K sh | Q2 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.
Last quarter, 4 funds opened a new position in NBIX and 31 added to an existing one, while 21 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 404 funds | $327.6B |
| NVIDIA CORPNVDA | 399 funds | $471.9B |
| ELI LILLY & COLLY | 397 funds | $99.1B |
| AMAZON.COM INCAMZN | 395 funds | $242.5B |
| META PLATFORMS INC-CLASS AMETA | 393 funds | $139.7B |
| APPLE INCAAPL | 392 funds | $358.1B |
| ALPHABET INC-CL AGOOGL | 390 funds | $220.3B |
| BROADCOM INCAVGO | 387 funds | $180.3B |
| MERCK & CO. INC.MRK | 383 funds | $35.6B |
| JPMORGAN CHASE & COJPM | 379 funds | $83.8B |
| ABBVIE INCABBV | 378 funds | $41.4B |
| ALPHABET INC-CL CGOOG | 376 funds | $143.0B |
Ranked by how many of NBIX's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jul 28, 2026 | Norwalk Leslie V | Director | Sell (S) | 1K | $228K |
| Jul 10, 2026 | Delaet Ingrid | Chief Regulatory Officer | Sell (S) | 4K | $791K |
| Jul 9, 2026 | Delaet Ingrid | Chief Regulatory Officer | Sell (S) | 8K | $1.5M |
| Jul 9, 2026 | Lippoldt Darin | Chief Legal Officer | Sell (S) | 10K | $1.8M |
| Jul 8, 2026 | Delaet Ingrid | Chief Regulatory Officer | Sell (S) | 3K | $489K |
| Jul 7, 2026 | Delaet Ingrid | Chief Regulatory Officer | Sell (S) | 3K | $607K |
| Jun 29, 2026 | Lippoldt Darin | Chief Legal Officer | Sell (S) | 8K | $1.4M |
| Jun 29, 2026 | Lippoldt Darin | Chief Legal Officer | Sell (S) | 2K | $289K |
| Jun 26, 2026 | Lippoldt Darin | Chief Legal Officer | Sell (S) | 200 | $34K |
| Jun 5, 2026 | SHERWIN STEPHEN A | Director | Sell (S) | 8K | $1.3M |
| Jun 5, 2026 | SHERWIN STEPHEN A | Director | Sell (S) | 3K | $419K |
| Jun 5, 2026 | SHERWIN STEPHEN A | Director | Sell (S) | 7K | $1.1M |
Connected entities for NBIX
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/NBIX/capital-change-brief"
Use Arkolith's capital_change_brief for NBIX. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for NBIX. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.