Amphastar Pharmaceuticals, Inc. · NASDAQ:AMPH
BlackRock, Inc. reported a 11.50% stake in Amphastar Pharmaceuticals, Inc. (Schedule 13G/A)
Event Sep 30, 2025 · Filed Oct 17, 2025
BlackRock, Inc. reported a 11.50% stake in Amphastar Pharmaceuticals, Inc., 5,333,463 shares, as a passive investor on Sep 30, 2025. Filed Oct 17, 2025 (Schedule 13G/A).
- Stake
- 11.50%
- Shares
- 5,333,463
- Intent
- Passive
- What changed
- Stake changed
The filing in full
| Holder | Stake | Shares |
|---|---|---|
| BlackRock, Inc. | 11.50% | 5,333,463 |