NBIX Neurocrine Biosciences, Inc.
Neurocrine Biosciences, Inc. (NBIX) Hedge Fund Activity
This view isolates hedge funds from the broader institutional ownership shown on the Institutional tab. A pension fund tracking an index may have no view on a stock; when a hedge fund builds or exits a position, that decision can carry information. This page measures those changes. Positions as of June 30, 2026.
Based on quarterly 13F long-equity filings. Changes compare reported quarter-end positions; filings can be reported up to 45 days later and do not represent a fund's complete exposure.
Most significant moves
Ranked by conviction, not size — how much of the fund's own book the position represents, how far it moved, and what kind of fund made it.
| Fund | Action | Shares changed | Change | Est. value | Portfolio wt. | Score |
|---|---|---|---|---|---|---|
| Deerfield Management Growth Healthcare | Sold Out | -610.0K | -100.0% | $102.8M | 0.0% | 74 |
| Vestal Point Capital Growth Healthcare | Increased | +630.0K | +50.4% | $106.2M | 7.4% | 73 |
| Perceptive Advisors Growth Healthcare | Sold Out | -65.1K | -100.0% | $11.0M | 0.0% | 65 |
| Braidwell Growth Healthcare | Reduced | -316.0K | -48.4% | $53.2M | 2.2% | 60 |
| MILLENNIUM MANAGEMENT LLC | Reduced | -1.24M | -99.1% | $208.3M | 0.0% | 60 |
| Verition Fund Management Event Long/Short | New | +41.0K | — | $6.9M | 0.1% | 56 |
| Trexquant Investment Quant | Sold Out | -183.3K | -100.0% | $30.9M | 0.0% | 56 |
| Magnetar Capital Event Quant | New | +2.7K | — | $450.7K | 0.0% | 54 |
| D. E. Shaw & Co., Inc. Quant | Reduced | -83.6K | -93.7% | $14.1M | 0.0% | 54 |
| Schonfeld Strategic Advisors Long/Short Quant | Sold Out | -56.6K | -100.0% | $9.5M | 0.0% | 53 |
Most significant buyers
By move score, not size.
- Vestal Point Capital
- Verition Fund Management
- Magnetar Capital
- Walleye Capital
- Boothbay Fund Management
Most significant sellers
By move score, not size.
- Deerfield Management
- Perceptive Advisors
- Braidwell
- MILLENNIUM MANAGEMENT LLC
- Trexquant Investment
Hedge fund positions
| Fund | Tier | Shares | Previous | Change | Change % | Portfolio wt. | Action | Score |
|---|---|---|---|---|---|---|---|---|
| Deerfield Management | 1 | 0 | 610.0K | -610.0K | -100.0% | 0.0% | Sold Out | 74 |
| Vestal Point Capital | 1 | 1.9M | 1.3M | +630.0K | +50.4% | 7.4% | Increased | 73 |
| Perceptive Advisors | 1 | 0 | 65.1K | -65.1K | -100.0% | 0.0% | Sold Out | 65 |
| Braidwell | 2 | 336.2K | 652.1K | -316.0K | -48.4% | 2.2% | Reduced | 60 |
| MILLENNIUM MANAGEMENT LLC | 2 | 11.6K | 1.2M | -1.24M | -99.1% | 0.0% | Reduced | 60 |
| Verition Fund Management | 2 | 41.0K | 0 | +41.0K | — | 0.1% | New | 56 |
| Trexquant Investment | 3 | 0 | 183.3K | -183.3K | -100.0% | 0.0% | Sold Out | 56 |
| Magnetar Capital | 2 | 2.7K | 0 | +2.7K | — | 0.0% | New | 54 |
| D. E. Shaw & Co., Inc. | 1 | 5.6K | 89.2K | -83.6K | -93.7% | 0.0% | Reduced | 54 |
| Schonfeld Strategic Advisors | 3 | 0 | 56.6K | -56.6K | -100.0% | 0.0% | Sold Out | 53 |
| ADAR1 Capital Management | 3 | 0 | 2.5K | -2.5K | -100.0% | 0.0% | Sold Out | 53 |
| Squarepoint Ops LLC | 2 | 44.1K | 488.0K | -443.8K | -91.0% | 0.0% | Reduced | 53 |
| Voleon Capital Management | 3 | 0 | 7.6K | -7.6K | -100.0% | 0.0% | Sold Out | 53 |
| Edgestream Partners | 4 | 0 | 50.6K | -50.6K | -100.0% | 0.0% | Sold Out | 52 |
| Brevan Howard Capital Management | 3 | 0 | 10.7K | -10.7K | -100.0% | 0.0% | Sold Out | 51 |
| Walleye Capital | 3 | 1.8K | 0 | +1.8K | — | 0.0% | New | 51 |
| Boothbay Fund Management | 4 | 11.8K | 0 | +11.8K | — | 0.0% | New | 51 |
| CITADEL ADVISORS LLC | 1 | 11.9K | 58.0K | -46.1K | -79.5% | 0.0% | Reduced | 49 |
| Winton Group | 4 | 1.6K | 0 | +1.6K | — | 0.0% | New | 48 |
| Armistice Capital | 3 | 535.8K | 724.0K | -188.2K | -26.0% | 2.5% | Reduced | 48 |
| RTW Investments | 1 | 1.3M | 1.1M | +205.9K | +19.4% | 1.8% | Increased | 48 |
| Caption Management | 3 | 29.5K | 8.9K | +20.6K | +231.5% | 0.2% | Increased | 47 |
| Hudson Bay Capital Management | 3 | 130.0K | 395.9K | -265.9K | -67.2% | 0.1% | Reduced | 45 |
| TWO SIGMA INVESTMENTS, LP | 2 | 2.1M | 3.1M | -984.3K | -32.2% | 0.3% | Reduced | 44 |
| Bridgewater Associates | 1 | 205.7K | 148.1K | +57.5K | +38.8% | 0.2% | Increased | 43 |
| MARSHALL WACE, LLP | 2 | 270.8K | 509.0K | -238.2K | -46.8% | 0.1% | Reduced | 41 |
| Man Group | 3 | 601.0K | 415.9K | +185.1K | +44.5% | 0.2% | Increased | 37 |
| Engineers Gate | 4 | 18.4K | 11.2K | +7.2K | +64.0% | 0.0% | Increased | 35 |
| RENAISSANCE TECHNOLOGIES LLC | 1 | 2.3M | 2.4M | -83.0K | -3.4% | 0.6% | Reduced | 35 |
| AQR Capital Management | 3 | 3.8M | 4.9M | -1.12M | -22.7% | 0.2% | Reduced | 35 |
| Aquatic Capital Management | 4 | 10.7K | 6.4K | +4.3K | +67.6% | 0.1% | Increased | 34 |
| Capital Fund Management | 3 | 98.1K | 149.6K | -51.5K | -34.4% | 0.1% | Reduced | 33 |
| Woodline Partners LP | 2 | 5.4K | 3.9K | +1.5K | +39.6% | 0.0% | Increased | 33 |
| WORLDQUANT MILLENNIUM ADVISORS LLC | 2 | 261.3K | 237.9K | +23.4K | +9.8% | 0.2% | Increased | 30 |
| Rock Springs Capital Management | 3 | 144.8K | 150.5K | -5.7K | -3.8% | 1.2% | Reduced | 29 |
| Gotham Asset Management, LLC | 2 | 371.6K | 360.1K | +11.4K | +3.2% | 0.2% | Increased | 27 |
| Quadrature Capital | 3 | 13.7K | 13.7K | -15 | -0.1% | 0.0% | Reduced | 22 |
| Integral Health Asset Management | 2 | 150.0K | 150.0K | 0 | +0.0% | 1.0% | Unchanged | 25 |
| LMR Partners | 3 | 55.5K | 55.5K | 0 | +0.0% | 0.1% | Unchanged | 17 |
| Palo Alto Investors | 2 | 18.1K | 18.1K | 0 | +0.0% | 0.4% | Unchanged | 21 |
Every fund above opens. Subscribers can see any manager's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
Sign in or subscribeHedge funds are identified from their 13F filings, which are due 45 days after quarter end and cover long U.S.-listed equity positions only. A fund's short book never appears, so a reduced position can mean a changed view or a changed hedge — the filing doesn't say which.