CIK: 0001506796
American Research & Management Co.
| Filing Date | Previous Period | Total Shares | Share-Type | Market Value | Change |
|---|---|---|---|---|---|
2020-10-29 | 855.70K | 862.44K | Shares | 15.52M | 6.74K |
2020-10-29 | 855.70K | 862.44K | Shares | 15.52M | 6.74K |
2021-04-06 | 188.10K | 182.44K | Shares | 10.41M | -5.66K |
2021-01-28 | 241.21K | 173.71K | Shares | 1.07M | -67.50K |
2021-04-06 | 161.32K | 157.19K | Shares | 8.78M | -4.13K |
2021-04-06 | 136.17K | 134.87K | Shares | 8.79M | -1.30K |
2021-01-28 | 132.92K | 130.65K | Shares | 11.40M | -2.27K |
2020-10-29 | 122.08K | 119.86K | Shares | 3.42M | -2.22K |
2021-04-06 | 122.38K | 118.82K | Shares | 15.83M | -3.56K |
2022-10-07 | 114.05K | 110.95K | Shares | 15.33M | -3.10K |
2021-04-06 | 95.69K | 93.40K | Shares | 11.12M | -2.28K |
2021-04-06 | 98.21K | 93.29K | Shares | 14.47M | -4.93K |
2020-07-28 | 71.35K | 89.94K | Shares | 3.04M | 18.60K |
2020-07-28 | 71.35K | 89.94K | Shares | 3.04M | 18.60K |
2021-04-06 | 92.13K | 88.00K | Shares | 4.50M | -4.14K |
2021-04-06 | 78.97K | 83.80K | Shares | 3.04M | 4.84K |
2021-04-06 | 75.32K | 72.99K | Shares | 12.00M | -2.32K |
2021-04-06 | 71.94K | 72.04K | Shares | 3.68M | 100 |
2021-04-06 | 68.05K | 64.49K | Shares | 8.73M | -3.56K |
2021-04-06 | 64.67K | 64.06K | Shares | 6.71M | -613 |
2021-04-06 | 64.36K | 62.85K | Shares | 3.31M | -1.51K |
2021-04-06 | 60.81K | 59.99K | Shares | 8.48M | -825 |
2021-04-06 | 62.73K | 58.65K | Shares | 8.04M | -4.08K |
2021-01-28 | 56.48K | 56.43K | Shares | 5.33M | -50 |
2022-10-07 | 54.94K | 55.43K | Shares | 6.62M | 491 |
2021-04-06 | 54.98K | 54.73K | Shares | 4.20M | -250 |
2021-04-06 | 51.58K | 53.54K | Shares | 6.71M | 1.96K |
2021-04-06 | 54.05K | 53.13K | Shares | 5.21M | -924 |
2021-04-06 | 50.85K | 50.14K | Shares | 5.59M | -715 |
2021-04-06 | 50.85K | 50.14K | Shares | 5.59M | -715 |
2021-04-06 | 49.80K | 48.58K | Shares | 2.22M | -1.23K |
2021-01-28 | 47.77K | 47.86K | Shares | 11.21M | 90 |
2021-04-06 | 46.00K | 45.55K | Shares | 2.94M | -444 |
2022-10-07 | 44.56K | 44.52K | Shares | 1.75M | -43 |
2021-01-28 | 42.91K | 43.55K | Shares | 3.61M | 644 |
2021-04-06 | 43.60K | 43.50K | Shares | 2.84M | -100 |
2021-04-06 | 43.82K | 43.25K | Shares | 9.58M | -565 |
2021-04-06 | 42.60K | 42.86K | Shares | 3.82M | 255 |
2021-04-06 | 41.83K | 41.83K | Shares | 995K | 0 |
2021-04-06 | 36.73K | 36.73K | Shares | 1.33M | 0 |
2021-04-06 | 37.23K | 35.69K | Shares | 10.14M | -1.54K |
2021-01-28 | 31.41K | 31.41K | Shares | 1.53M | 0 |
2021-04-06 | 30.98K | 30.98K | Shares | 1.48M | 0 |
2021-04-06 | 30.28K | 29.28K | Shares | 1.13M | -1K |
2021-01-28 | 26.97K | 28.68K | Shares | 6.38M | 1.72K |
2021-04-06 | 28.39K | 27.25K | Shares | 12.95M | -1.14K |
2022-10-07 | 24.71K | 26.64K | Shares | 7.33M | 1.93K |
2021-04-06 | 26.45K | 26.56K | Shares | 2.22M | 117 |
2021-01-28 | 23.68K | 25.65K | Shares | 2.10M | 1.97K |
2021-04-06 | 25.47K | 25.19K | Shares | 1.70M | -275 |
2021-01-28 | 24.98K | 25.13K | Shares | 1.56M | 150 |
2021-04-06 | 23.13K | 24.24K | Shares | 676K | 1.11K |
2021-04-06 | 23.48K | 24.07K | Shares | 667K | 597 |
2021-01-28 | 11.26K | 18.48K | Shares | 512K | 7.22K |
2020-10-29 | 9.95K | 18.37K | Shares | 490K | 8.42K |
2021-04-06 | 18.32K | 18.32K | Shares | 866K | 0 |
2021-04-06 | 23.13K | 18.21K | Shares | 551K | -4.92K |
2021-04-06 | 18.15K | 16.89K | Shares | 3.18M | -1.26K |
2021-04-06 | 16.22K | 15.52K | Shares | 858K | -700 |
2021-01-28 | 16.11K | 15.22K | Shares | 7.95M | -891 |
2021-04-06 | 15.21K | 14.36K | Shares | 3.50M | -855 |
2021-04-06 | 18.14K | 14.21K | Shares | 826K | -3.93K |
2021-04-06 | 13.55K | 13.92K | Shares | 2.70M | 375 |
2020-10-29 | 0 | 13.86K | Shares | 261K | 13.86K |
2020-10-29 | 0 | 13.86K | Shares | 261K | 13.86K |
2020-07-28 | 13.57K | 13.53K | Shares | 512K | -36 |
2020-07-28 | 13.57K | 13.53K | Shares | 512K | -36 |
2021-04-06 | 11.29K | 12.77K | Shares | 554K | 1.49K |
2021-04-06 | 13.17K | 12.37K | Shares | 162K | -800 |
2021-04-06 | 11.62K | 11.62K | Shares | 3.38M | 1 |
2021-04-06 | 12.54K | 11.03K | Shares | 1.06M | -1.51K |
2021-04-06 | 10.89K | 10.60K | Shares | 1.57M | -287 |
2021-04-06 | 9.89K | 9.88K | Shares | 2.12M | -13 |
2021-01-28 | 8.96K | 9.00K | Shares | 1.94M | 34 |
2021-01-28 | 6.67K | 8.93K | Shares | 445K | 2.26K |
2021-01-28 | 0 | 8.77K | Shares | 246K | 8.77K |
2021-04-06 | 9.12K | 8.76K | Shares | 511K | -361 |
2021-04-06 | 9.25K | 8.65K | Shares | 835K | -600 |
2021-04-06 | 8.49K | 8.49K | Shares | 141K | 4 |
2021-04-06 | 8.46K | 8.24K | Shares | 3.42M | -220 |
2021-04-06 | 7.78K | 7.76K | Shares | 1.98M | -24 |
2021-04-06 | 7.62K | 7.62K | Shares | 576K | 0 |
2021-04-06 | 7.36K | 7.36K | Shares | 431K | 0 |
2021-04-06 | 7.14K | 7.14K | Shares | 157K | 0 |
2021-01-28 | 6.96K | 6.96K | Shares | 486K | 0 |
2021-01-28 | 6.89K | 6.79K | Shares | 1.66M | -100 |
2021-04-06 | 6.43K | 6.43K | Shares | 101K | 0 |
2020-10-29 | 6.46K | 6.41K | Shares | 714K | -50 |
2020-10-29 | 6.46K | 6.41K | Shares | 714K | -50 |
2020-10-29 | 0 | 6.35K | Shares | 296K | 6.35K |
2020-10-29 | 0 | 6.35K | Shares | 296K | 6.35K |
2020-10-29 | 6.33K | 6.33K | Shares | 349K | 0 |
2022-10-07 | 5.11K | 6.14K | Shares | 550K | 1.03K |
2021-04-06 | 6.07K | 6.07K | Shares | 148K | 0 |
2021-04-06 | 5.70K | 6.03K | Shares | 756K | 325 |
2021-04-06 | 5.92K | 5.79K | Shares | 1.22M | -125 |
2021-04-06 | 5.77K | 5.68K | Shares | 363K | -91 |
2021-04-06 | 5.49K | 5.40K | Shares | 417K | -91 |
2021-04-06 | 6.30K | 5.30K | Shares | 281K | -1K |
2021-04-06 | 5.18K | 5.25K | Shares | 2.12M | 64 |