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Amphastar Pharmaceuticals shares owned by SummerHaven Investment Management

Quarter-by-quarter ownership of Amphastar Pharmaceuticals (AMPH) shares owned by SummerHaven Investment Management from 13F filings

Historical chart of SummerHaven Investment Management investment in Amphastar Pharmaceuticals

Tip: Access up to 7 years of quarterly data

All positions including Amphastar Pharmaceuticals held by SummerHaven Investment Management consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Amphastar Pharmaceuticals by SummerHaven Investment Management

Quarter filed Position value Share count Share price at filing
2025-09-30 $1.0M 38k 26.65

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Top funds holding Amphastar Pharmaceuticals

BlackRock
Vanguard Group
TD Asset Management
Dimensional Fund Advisors
State Street Corporation
Hanna Zanoni
Btim
Epoch Investment Partners
Geode Capital Management
Marshall Wace
Millennium Management
Morgan Stanley
Renaissance Technologies
D. E. Shaw & Co
Systematic Financial Management

View all funds holding Amphastar Pharmaceuticals