Castleark Management LLC
- SEC CIK
- 0001106832
- Latest filing
- Aug 14, 2026
AMPH holding history
Amphastar Pharmaceuticals, Inc. in every 13F filed by Castleark Management LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
AMPH overviewAll 13F holders of AMPHFull Q2 2026 holdings
- Shares (Q3 2022)
- 0
- Sold out in Q3 2022
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 1
- Since Q2 2022