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Amphastar Pharmaceuticals, Inc. AMPH
Nasdaq · XNAS · stock · Pharmaceutical Preparations · website · IPO 2014-06-25
Amphastar Pharmaceuticals, Inc. institutional holders (13F)
| Investor | Shares | Value |
|---|---|---|
| BlackRock Finance, Inc. | 5,942,524 | $237.7M |
| D. E. Shaw & Co., Inc. | 665,542 | $13.0M |
| RENAISSANCE TECHNOLOGIES LLC | 553,900 | $10.9M |
| MILLENNIUM MANAGEMENT LLC | 371,373 | $7.3M |
| TWO SIGMA INVESTMENTS, LP | 138,148 | $2.7M |
| CITADEL ADVISORS LLC | 85,440 | $1.7M |
| AQR CAPITAL MANAGEMENT LLC | 78,778 | $1.5M |
Source: SEC EDGAR filings · CIK 0001297184 · as of 2025-12-31. Facts from filings plus Stocktoria's own computed scores — not investment advice.