Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH)

Q3 2023 13F Holders as of 9/30/2023

Type / Class
Equity / Common Stock
Shares outstanding
50.5M
Number of holders
249
Total 13F shares, excl. options
32M
Shares change
+539K
Total reported value, excl. options
$1.47B
Value change
+$20.6M
Put/Call ratio
1.02
Number of buys
122
Number of sells
-119
Price
$45.99

Significant Holders of Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH) as of Q3 2023

283 filings reported holding AMPH - Amphastar Pharmaceuticals, Inc. - Common Stock as of Q3 2023.
Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH) has 249 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC). These institutions hold a total of 32M shares of 50.5M outstanding shares and own 63.36% of the company stock.
Largest 10 shareholders include BlackRock Inc. (6.09M shares), FEDERATED HERMES, INC. (3.44M shares), VANGUARD GROUP INC (2.77M shares), DIMENSIONAL FUND ADVISORS LP (1.89M shares), NEUBERGER BERMAN GROUP LLC (1.49M shares), STATE STREET CORP (1.46M shares), FULLER & THALER ASSET MANAGEMENT, INC. (1.28M shares), GEODE CAPITAL MANAGEMENT, LLC (810K shares), RENAISSANCE TECHNOLOGIES LLC (603K shares), and PRICE T ROWE ASSOCIATES INC /MD/ (570K shares).
This table shows the top 249 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.