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Amphastar Pharmaceuticals

116 hedge funds and large institutions have $296M invested in Amphastar Pharmaceuticals in 2017 Q1 according to their latest regulatory filings, with 12 funds opening new positions, 49 increasing their positions, 40 reducing their positions, and 28 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less ownership

Funds ownership:

less funds holding

Funds holding:

less capital invested

Capital invested by funds: $ → $

31% less call options, than puts

Call options by funds: $286K | Put options by funds: $416K

57% less first-time investments, than exits

New positions opened: 12 | Existing positions closed: 28

Holders
116
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$286K
Puts
$416K
Net Calls
Net Calls Change

Top Buyers

1 +$80M
2 +$9.06M
3 +$4.89M
4
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
+$3.77M
5
State Street
State Street
Massachusetts
+$1.54M

Top Sellers

1 -$14.7M
2 -$13.5M
3 -$4.34M
4
Prudential Financial
Prudential Financial
New Jersey
-$3.79M
5
EI
EAM Investors
California
-$3.19M
Name Holding Trade Value Shares
Change
Change in
Stake
76
$288K
77
$282K
78
$271K
79
$215K
80
$215K
81
$212K
82
$193K
83
$184K
84
$173K
85
$152K
86
$145K
87
$136K
88
$122K
89
$119K
90
$96.6K
91
$89K
92
$69K
93
$68K
94
$59K
95
$57K
96
$46K
97
$45K
98
$37K
99
$36K
100
$35K