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AMSC
AMSC
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OA
Oberweis Asset Management, Inc.
Buy
Sell
Price
Unit: Shares
Holdings History
Date
Change %
Shares Changed
% Held
Shares Held
Report Date
Latest
0.25%
+137.60K
2.04%
987.50K
06/30/2026
Q2 2026
0.25%
+137.60K
2.04%
987.50K
06/30/2026
Q1 2026
0.03%
+14.00K
1.78%
849.90K
03/31/2026
Q4 2025
0.28%
+170.20K
1.76%
835.90K
12/31/2025
Q3 2025
<0.01%
-2.50K
1.47%
665.70K
09/30/2025
Q2 2025
0.21%
+0
1.48%
668.20K
06/30/2025
Q1 2025
<0.01%
+3.80K
1.69%
668.20K
03/31/2025
Q4 2024
0.05%
+0
1.68%
664.40K
12/31/2024
Q3 2024
0.06%
+0
1.73%
664.40K
09/30/2024
Q2 2024
0.08%
+30.00K
1.80%
664.40K
06/30/2024
Q1 2024
0.49%
+258.60K
1.72%
634.40K
03/31/2024
Q4 2023
--
+375.80K
1.22%
375.80K
12/31/2023
