Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH)

Q1 2025 13F Holders as of 31 Mar 2025

Type / Class
Equity / Common Stock
Shares outstanding
46,377,939
Total 13F shares
33,249,489
Share change
-1,472,596
Total reported value
$963,158,808
Put/Call ratio
56%
Price per share
$28.99
Number of holders
240
Value change
-$63,190,016
Number of buys
111
Number of sells
142

Institutional Holders of Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH) as of Q1 2025

As of 31 Mar 2025, Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH) was held by 240 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 33,249,489 shares. The largest 10 holders included BlackRock, Inc., VANGUARD GROUP INC, TD Asset Management Inc, STATE STREET CORP, DIMENSIONAL FUND ADVISORS LP, FULLER & THALER ASSET MANAGEMENT, INC., Epoch Investment Partners, Inc., Boston Trust Walden Corp, MARSHALL WACE, LLP, and GEODE CAPITAL MANAGEMENT, LLC. This page lists 240 institutional shareholders reporting positions in this security for the Q1 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.