Historical shareholding details of American Century Companies Inc holdings in Aspen Aerogels Inc. (ASPN)

Monthly changes of American Century Companies Inc shareholding in Aspen Aerogels Inc. over the previous months

Month Name Total no. shares held Percent Holding
Dec 31, 2024 American Century Companies Inc 1,003,184 1.22%
Sep 30, 2024 American Century Companies Inc 1,491,123 1.82%
Jun 30, 2024 American Century Companies Inc 770,729 0.95%
Mar 31, 2024 American Century Companies Inc 116,379 0.15%
Dec 31, 2023 American Century Companies Inc 73,285 0.10%
Sep 30, 2023 American Century Companies Inc 32,364 0.05%
Jun 30, 2023 American Century Companies Inc 20,223 0.03%

View all ownership details of Aspen Aerogels Inc.