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Amphastar Pharmaceuticals

262 hedge funds and large institutions have $1.31B invested in Amphastar Pharmaceuticals in 2024 Q4 according to their latest regulatory filings, with 36 funds opening new positions, 84 increasing their positions, 100 reducing their positions, and 49 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more ownership

Funds ownership:

less funds holding

Funds holding:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

24% less capital invested

Capital invested by funds: $1.71B → $1.31B (-$408M)

27% less first-time investments, than exits

New positions opened: 36 | Existing positions closed: 49

67% less funds holding in top 10

Funds holding in top 10: 31 (-2)

Holders
262
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.02M
Puts
$318K
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
26
$10.6M
27
$10.4M
28
$9.53M
29
$9.15M
30
$8.82M
31
$7.72M
32
$7.03M
33
$6.85M
34
$6.19M
35
$5.99M
36
$5.71M
37
$5.7M
38
$5.5M
39
$5.42M
40
$5.33M
41
$5.21M
42
$4.87M
43
$4.86M
44
$4.58M
45
$4.41M
46
$4.28M
47
$4.16M
48
$3.92M
49
$3.85M
50
$3.7M