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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
51
$760K
52
$738K
53
$667K
54
$638K
55
$619K
56
$600K
57
$568K
58
$564K
59
$558K
60
$541K
61
$513K
62
$490K
63
$485K
64
$483K
65
$474K
66
$428K
67
$412K
68
$385K
69
$381K
70
$377K
71
$363K
72
$362K
73
$318K
74
$292K
75
$290K