Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH)

CUSIP: 03209R103

Q2 2025 13F Holders as of 30 Jun 2025

Type / Class
Equity / Common Stock
Shares outstanding
46,377,939
Total 13F shares
32,731,709
Share change
-583,200
Total reported value
$751,532,890
Put/Call ratio
69%
Price per share
$22.96
Number of holders
243
Value change
-$21,672,562
Number of buys
133
Number of sells
112

Quarterly Holders Quick Answers

What is CUSIP 03209R103?
CUSIP 03209R103 identifies AMPH - Amphastar Pharmaceuticals, Inc. - Common Stock in SEC institutional holdings data.

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Institutional Holders of Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH) as of Q2 2025

As of 30 Jun 2025, Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH) was held by 243 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 32,731,709 shares. The largest 10 holders included BlackRock, Inc., VANGUARD GROUP INC, TD Asset Management Inc, DIMENSIONAL FUND ADVISORS LP, STATE STREET CORP, FULLER & THALER ASSET MANAGEMENT, INC., Epoch Investment Partners, Inc., Boston Trust Walden Corp, GEODE CAPITAL MANAGEMENT, LLC, and MARSHALL WACE, LLP. This page lists 243 institutional shareholders reporting positions in this security for the Q2 2025 filing period.
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.