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Amphastar Pharmaceuticals

139 hedge funds and large institutions have $530M invested in Amphastar Pharmaceuticals in 2021 Q3 according to their latest regulatory filings, with 10 funds opening new positions, 51 increasing their positions, 54 reducing their positions, and 15 closing their positions.

New
Increased
Maintained
Reduced
Closed

0.92% more ownership

Funds ownership: 57.23%58.15% (+0.92%)

3% less capital invested

Capital invested by funds: $549M → $530M (-$18.3M)

6% less repeat investments, than reductions

Existing positions increased: 51 | Existing positions reduced: 54

5% less funds holding

Funds holding: 146139 (-7)

33% less first-time investments, than exits

New positions opened: 10 | Existing positions closed: 15

Holders
139
Holders Change
-7
Holders Change %
-4.79%
% of All Funds
2.43%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
10
Increased
51
Reduced
54
Closed
15
Calls
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
151
Fidelity Investments
Massachusetts
-$3K -125 Closed
Group One Trading
152
Group One Trading
Illinois
-$2K -100 Closed
ACM
153
AUA Capital Management
Pennsylvania
-$157 -8 -26%