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Citadel Advisors position in AMPH
AMPHASTAR PHARMACEUTICALS IN · Health Care
Latest position (Q2 2026)37.63K sh
Reported value held$759.39K
Portfolio Weight0.00%
First reportedQ4 2021
Last changeReduce
Quarter by quarter
| Quarter | Shares | Value | Change |
|---|---|---|---|
| Q4 2021 | 213.52K | $4.97M | New |
| Q1 2022 | 260.78K | $9.36M | Add |
| Q2 2022 | 87.10K | $3.03M | Reduce |
| Q3 2022 | 196.47K | $5.52M | Add |
| Q4 2022 | 52.11K | $1.46M | Reduce |
| Q1 2023 | 40.24K | $1.51M | Reduce |
| Q2 2023 | 188.85K | $10.85M | Add |
| Q3 2023 | 140.12K | $6.44M | Reduce |
| Q4 2023 | 136.10K | $8.42M | Reduce |
| Q1 2024 | 94.80K | $4.16M | Reduce |
| Q2 2024 | 274.95K | $11.00M | Add |
| Q3 2024 | 163.34K | $7.93M | Reduce |
| Q4 2024 | 6.00M | $5.59M | Add |
| Q1 2025 | 188.38K | $5.46M | Reduce |
| Q2 2025 | 322.94K | $7.41M | Add |
| Q3 2025 | 253.78K | $6.76M | Reduce |
| Q4 2025 | 241.02K | $6.45M | Reduce |
| Q1 2026 | 85.44K | $1.67M | Reduce |
| Q2 2026 | 37.63K | $759.39K | Reduce |
Dots on the line are colored by change type; missing quarters mean no position was reported.
Other funds holding AMPH
- Vanguard Group 2.61M sh · $69.85M · Q4 2025
- Marshall Wace 1.07M sh · $21.52M · Q2 2026
- Geode Capital Management 969.84K sh · $19.58M · Q2 2026
- D. E. Shaw & Co 887.05K sh · $17.90M · Q2 2026
- Renaissance Technologies 525.10K sh · $10.60M · Q2 2026
- Goldman Sachs Group 505.36K sh · $10.20M · Q2 2026
- UBS Group AG 393.11K sh · $7.93M · Q2 2026
- Northern Trust Corp 370.99K sh · $7.49M · Q2 2026
- Charles Schwab Investment Management 310.18K sh · $6.26M · Q2 2026
- BlackRock Inc 6.83M sh · $6.19M · Q2 2026
- Royce & Associates 294.76K sh · $5.95M · Q2 2026
- Two Sigma Investments 248.12K sh · $5.01M · Q2 2026