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Arrowstreet Capital position in AMPH
AMPHASTAR PHARMACEUTICALS INC COM · Health Care
Latest position (Q2 2026)116.65K sh
Reported value held$2.35M
Portfolio Weight0.00%
First reportedQ3 2025
Last changeReduce
Quarter by quarter
| Quarter | Shares | Value | Change |
|---|---|---|---|
| Q3 2025 | 392.31K | $10.46M | Add |
| Q4 2025 | 559.43K | $14.98M | Add |
| Q1 2026 | 325.29K | $6.37M | Reduce |
| Q2 2026 | 116.65K | $2.35M | Reduce |
Dots on the line are colored by change type; missing quarters mean no position was reported.
Other funds holding AMPH
- Context Capital Management, LLC 93.63M sh · $85.20M · Q2 2026
- Vanguard Group 2.61M sh · $69.85M · Q4 2025
- DIMENSIONAL FUND ADVISORS LP 2.31M sh · $46.52M · Q2 2026
- DeepCurrents Investment Group LLC 45.02M sh · $40.98M · Q2 2026
- OAKTREE CAPITAL MANAGEMENT LP 40.88M sh · $37.20M · Q2 2026
- CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 729.53K sh · $36.15M · Q2 2026
- VANGUARD CAPITAL MANAGEMENT LLC 1.48M sh · $29.91M · Q2 2026
- AMERICAN CENTURY COMPANIES INC 1.18M sh · $23.74M · Q2 2026
- Empyrean Capital Partners, LP 24.27M sh · $22.02M · Q2 2026
- Marshall Wace 1.07M sh · $21.52M · Q2 2026
- Geode Capital Management 969.84K sh · $19.58M · Q2 2026
- GEODE CAPITAL MANAGEMENT, LLC 969.84K sh · $19.58M · Q2 2026