JANE STREET GROUP, LLC - AMPHASTAR PHARMACEUTICALS IN ownership

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AMPHASTAR PHARMACEUTICALS IN's ticker is and the CUSIP is 03209R903. A total of 3 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q4 2022. The put-call ratio across all filers is - and the average weighting 0.0%.

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Quarter-by-quarter ownership
JANE STREET GROUP, LLC ownership history of AMPHASTAR PHARMACEUTICALS IN
ValueSharesWeighting
Q3 2022$247,000
-49.3%
8,800
-37.1%
0.00%–
Q2 2022$487,000–14,000–0.00%–
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Other shareholders

There were no reported owners of AMPHASTAR PHARMACEUTICALS IN in Q4 2022.

NameSharesValueWeighting ↓
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