Q2 2025 13F Holders as of 30 Jun 2025
-
Type / Class
-
Equity / Common Stock
-
Shares outstanding
-
46.4M
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Number of holders
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243
-
Total 13F shares, excl. options
-
32.7M
-
Shares change
-
-583K
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Total reported value, excl. options
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$752M
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Value change
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-$21.7M
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Put/Call ratio
-
0.69
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Number of buys
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133
-
Number of sells
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-112
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Price
-
$22.96
Significant Holders of Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH) as of Q2 2025
286 filings reported holding AMPH - Amphastar Pharmaceuticals, Inc. - Common Stock as of Q2 2025.
Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH) has 243 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC).
These institutions hold a total of 32.7M shares
of 46.4M outstanding shares and own 70.58% of the company stock.
Largest 10 shareholders include BlackRock, Inc. (5.67M shares), VANGUARD GROUP INC (2.69M shares), TD Asset Management Inc (2.03M shares), DIMENSIONAL FUND ADVISORS LP (1.63M shares), STATE STREET CORP (1.58M shares), FULLER & THALER ASSET MANAGEMENT, INC. (1.26M shares), Epoch Investment Partners, Inc. (1.24M shares), Boston Trust Walden Corp (1.18M shares), GEODE CAPITAL MANAGEMENT, LLC (973K shares), and MARSHALL WACE, LLP (849K shares).
This table shows the top 243 institutional shareholders of the company equity. This data is sourced directly from the SEC via 13F filings.
| Investor |
Option |
Weight % |
Change % |
Value $ |
* Price $ |
Shares |
Share Change |
Activity |
Report Period |
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.