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Amphastar Pharmaceuticals

119 hedge funds and large institutions have $474M invested in Amphastar Pharmaceuticals in 2019 Q4 according to their latest regulatory filings, with 9 funds opening new positions, 42 increasing their positions, 49 reducing their positions, and 23 closing their positions.

New
Increased
Maintained
Reduced
Closed

more ownership

Funds ownership:

less capital invested

Capital invested by funds: $ → $

less funds holding

Funds holding:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

61% less first-time investments, than exits

New positions opened: 9 | Existing positions closed: 23

91% less call options, than puts

Call options by funds: $32K | Put options by funds: $372K

Holders
119
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
$32K
Puts
$372K
Net Calls
Net Calls Change

Top Buyers

1 +$8.22M
2 +$5.48M
3 +$4.24M
4
BlackRock
BlackRock
New York
+$2.63M
5
Renaissance Technologies
Renaissance Technologies
New York
+$1.97M
Name Holding Trade Value Shares
Change
Change in
Stake
26
$3.46M
27
$3.28M
28
$2.67M
29
$2.35M
30
$2.35M
31
$2.34M
32
$2.31M
33
$2.21M
34
$2.13M
35
$2.11M
36
$1.96M
37
$1.94M
38
$1.79M
39
$1.67M
40
$1.58M
41
$1.48M
42
$1.46M
43
$1.38M
44
$1.35M
45
$1.31M
46
$1.26M
47
$1.12M
48
$1.06M
49
$1.05M
50
$1.04M