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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
1
$118M
2
$45.6M
3
$34.9M
4
$33.7M
5
$21.4M
6
$21.2M
7
$16.1M
8
$10.8M
9
$10.1M
10
$9.74M
11
$9.56M
12
$8.32M
13
$7.5M
14
$6.44M
15
$6.02M
16
$5.79M
17
$5.67M
18
$5.67M
19
$5.48M
20
$5.22M
21
$4.85M
22
$4.17M
23
$4.04M
24
$3.64M
25
$3.46M