CIK: 0000937886
Oberweis Asset Management Inc/
Filing Date | Previous Period | Total Shares | Share-Type | Market Value | Change |
---|---|---|---|---|---|
2021-02-16 | 6.28M | 6.38M | Shares | 89.27M | 105.49K |
2023-08-14 | 699.11K | 873.11K | Shares | 36.02M | 174K |
2021-05-17 | 469.43K | 473.03K | Shares | 40.06M | 3.60K |
2021-05-17 | 263.40K | 435.46K | Shares | 6.88M | 172.06K |
2021-05-17 | 314.81K | 427.90K | Shares | 10.08M | 113.09K |
2021-05-17 | 0 | 416.85K | Shares | 41.32M | 416.85K |
2023-08-14 | 410.62K | 415.70K | Shares | 2.04M | 5.08K |
2021-02-16 | 471.39K | 349.22K | Shares | 68.13M | -122.17K |
2021-05-17 | 0 | 293.30K | Shares | 1.19M | 293.30K |
2021-02-16 | 274.51K | 275.86K | Shares | 8.47M | 1.35K |
2023-08-14 | 212K | 224.70K | Shares | 2.40M | 12.70K |
2023-08-14 | 191.90K | 223K | Shares | 3.19M | 31.10K |
2021-02-16 | 200.60K | 200.60K | Shares | 800K | 0 |
2021-05-17 | 145.78K | 194.44K | Shares | 5.13M | 48.66K |
2021-05-17 | 401.05K | 185.37K | Shares | 8.30M | -215.68K |
2021-05-17 | 120.10K | 175.40K | Shares | 2.37M | 55.30K |
2021-05-17 | 168.73K | 168.73K | Shares | 1.36M | 0 |
2023-08-14 | 178.54K | 166.18K | Shares | 13.95M | -12.36K |
2021-05-17 | 12K | 151.21K | Shares | 1.79M | 139.21K |
2023-08-14 | 117.68K | 148.20K | Shares | 5.28M | 30.52K |
2021-05-17 | 98K | 143.90K | Shares | 1.39M | 45.90K |
2023-08-14 | 103.60K | 141.50K | Shares | 5.06M | 37.90K |
2021-05-17 | 109.10K | 131.80K | Shares | 4.26M | 22.70K |
2023-08-14 | 0 | 117.70K | Shares | 3.75M | 117.70K |
2021-05-17 | 114K | 114K | Shares | 813K | 0 |
2023-08-14 | 86.80K | 113.70K | Shares | 4.45M | 26.90K |
2023-08-14 | 72.90K | 106.80K | Shares | 4.72M | 33.90K |
2023-08-14 | 97.90K | 106.70K | Shares | 5.95M | 8.80K |
2021-05-17 | 0 | 106.20K | Shares | 929K | 106.20K |
2021-05-17 | 0 | 104.30K | Shares | 1.47M | 104.30K |
2021-05-17 | 72K | 101.40K | Shares | 832K | 29.40K |
2021-02-16 | 0 | 100.28K | Shares | 316K | 100.28K |
2021-02-16 | 0 | 100K | Shares | 393K | 100K |
2021-05-17 | 0 | 98.30K | Shares | 2.30M | 98.30K |
2021-05-17 | 163.11K | 97.07K | Shares | 6.64M | -66.04K |
2021-05-17 | 84.48K | 94.64K | Shares | 3.33M | 10.16K |
2021-05-17 | 95.50K | 86.40K | Shares | 1.57M | -9.10K |
2021-05-17 | 0 | 85K | Shares | 1.16M | 85K |
2021-05-17 | 0 | 85K | Shares | 895K | 85K |
2021-05-17 | 83.30K | 83.30K | Shares | 421K | 0 |
2021-05-17 | 36.04K | 82.96K | Shares | 5.67M | 46.92K |
2021-05-17 | 36.04K | 82.96K | Shares | 5.67M | 46.92K |
2021-05-17 | 83.80K | 81K | Shares | 401K | -2.80K |
2021-05-17 | 37K | 80.21K | Shares | 4.66M | 43.21K |
2021-05-17 | 0 | 78.50K | Shares | 971K | 78.50K |
2021-05-17 | 49.32K | 72.38K | Shares | 2.97M | 23.06K |
2021-05-17 | 85.30K | 72.30K | Shares | 1.80M | -13K |
2021-05-17 | 57.23K | 71.17K | Shares | 6.34M | 13.94K |
2021-02-16 | 0 | 70K | Shares | 407K | 70K |
2021-05-17 | 0 | 68.90K | Shares | 2.87M | 68.90K |
2021-05-17 | 82.30K | 67.40K | Shares | 1.28M | -14.90K |
2023-08-14 | 57.60K | 66.90K | Shares | 1.60M | 9.30K |
2021-05-17 | 0 | 66.30K | Shares | 920K | 66.30K |
2021-05-17 | 0 | 66.30K | Shares | 920K | 66.30K |
2021-05-17 | 123.24K | 65.84K | Shares | 4.48M | -57.40K |
2021-02-16 | 0 | 63.80K | Shares | 566K | 63.80K |
2021-05-17 | 0 | 62K | Shares | 1.35M | 62K |
2021-05-17 | 0 | 62K | Shares | 1.02M | 62K |
2021-05-17 | 59.40K | 59.40K | Shares | 941K | 0 |
2021-02-16 | 88.30K | 51.27K | Shares | 2.90M | -37.02K |
2021-05-17 | 10.76K | 50.06K | Shares | 11.18M | 39.30K |
2021-05-17 | 0 | 50K | Shares | 1M | 50K |
2021-05-17 | 19.93K | 49.30K | Shares | 6.68M | 29.37K |
2021-05-17 | 48K | 48K | Shares | 720K | 0 |
2021-02-16 | 45.60K | 46.33K | Shares | 1.73M | 730 |
2021-05-17 | 58.98K | 45.98K | Shares | 1.38M | -13K |
2023-08-14 | 50.84K | 45.10K | Shares | 7.42M | -5.73K |
2021-05-17 | 0 | 45K | Shares | 365K | 45K |
2021-05-17 | 27K | 43.50K | Shares | 1.55M | 16.50K |
2021-05-17 | 36.81K | 43.01K | Shares | 2.09M | 6.20K |
2021-05-17 | 44.19K | 42.87K | Shares | 1.57M | -1.32K |
2021-05-17 | 0 | 42.50K | Shares | 1.21M | 42.50K |
2021-05-17 | 0 | 42.50K | Shares | 3.02M | 42.50K |
2021-05-17 | 46K | 41.20K | Shares | 976K | -4.80K |
2023-08-14 | 24.20K | 40.40K | Shares | 3.52M | 16.20K |
2021-05-17 | 40.30K | 40.30K | Shares | 1.73M | 0 |
2021-05-17 | 39.80K | 39.80K | Shares | 664K | 0 |
2023-08-14 | 37.40K | 38.30K | Shares | 2.00M | 900 |
2021-05-17 | 38K | 38K | Shares | 613K | 0 |
2021-05-17 | 7.60K | 37.05K | Shares | 1.26M | 29.45K |
2021-05-17 | 36.80K | 36.80K | Shares | 1M | 0 |
2021-05-17 | 19.50K | 36.47K | Shares | 1.18M | 16.97K |
2021-05-17 | 0 | 36K | Shares | 1.53M | 36K |
2021-05-17 | 0 | 35K | Shares | 717K | 35K |
2021-02-16 | 26.80K | 34.60K | Shares | 1.64M | 7.80K |
2021-02-16 | 26.30K | 32.80K | Shares | 656K | 6.50K |
2021-05-17 | 31.68K | 31.68K | Shares | 1.32M | 0 |
2021-02-16 | 22.80K | 31.20K | Shares | 429K | 8.40K |
2021-05-17 | 28.10K | 30.83K | Shares | 1.19M | 2.73K |
2021-05-17 | 0 | 30K | Shares | 1.19M | 30K |
2021-05-17 | 30K | 30K | Shares | 1.05M | 0 |
2021-05-17 | 0 | 30K | Shares | 615K | 30K |
2021-05-17 | 17.80K | 29K | Shares | 893K | 11.20K |
2021-05-17 | 28.60K | 28.60K | Shares | 1.35M | 0 |
2021-05-17 | 28.40K | 28.40K | Shares | 1.77M | 0 |
2021-02-16 | 28.10K | 28.10K | Shares | 1.08M | 0 |
2021-05-17 | 66.60K | 27.40K | Shares | 1.02M | -39.20K |
2021-05-17 | 0 | 27K | Shares | 1.45M | 27K |
2021-05-17 | 26.30K | 26.30K | Shares | 1.55M | 0 |
2021-05-17 | 27.56K | 26.28K | Shares | 1.96M | -1.28K |