Historical shareholding details of
Advisory Research Inc
holdings in Amphastar Pharmaceuticals Inc (AMPH)
Monthly changes of
Advisory Research Inc
shareholding in Amphastar Pharmaceuticals Inc
over the previous
months
Month
|
Name |
Total no. shares held |
Percent Holding |
Dec 31, 2024
|
Advisory Research Inc
|
13,853
|
0.03%
|
|
Sep 30, 2024
|
Advisory Research Inc
|
13,810
|
0.03%
|
|
Jun 30, 2024
|
Advisory Research Inc
|
14,270
|
0.03%
|
|
Mar 31, 2024
|
Advisory Research Inc
|
13,329
|
0.03%
|
|
Dec 31, 2023
|
Advisory Research Inc
|
14,174
|
0.03%
|
|
Sep 30, 2023
|
Advisory Research Inc
|
14,890
|
0.03%
|
|
Jun 30, 2023
|
Advisory Research Inc
|
15,407
|
0.03%
|
|
Mar 31, 2023
|
Advisory Research Inc
|
14,779
|
0.03%
|
View all ownership details of Amphastar Pharmaceuticals Inc