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Amphastar Pharmaceuticals shares owned by Cambridge Investment Research Advisors

Quarter-by-quarter ownership of Amphastar Pharmaceuticals (AMPH) shares owned by Cambridge Investment Research Advisors from 13F filings

Historical chart of Cambridge Investment Research Advisors investment in Amphastar Pharmaceuticals

Tip: Access up to 7 years of quarterly data

All positions including Amphastar Pharmaceuticals held by Cambridge Investment Research Advisors consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Amphastar Pharmaceuticals by Cambridge Investment Research Advisors

Quarter filed Position value Share count Share price at filing
2025-03-31 $400k 14k 29.01
2024-12-31 $449k 12k 37.12
2024-09-30 $578k 12k 48.51
2024-06-30 $475k 12k 40.02

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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