Tecogen shares owned by GAMCO Asset Management
Quarter-by-quarter ownership of Tecogen (TGEN) shares owned by GAMCO Asset Management
from 13F filings
Historical chart of GAMCO Asset Management investment in Tecogen
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Quarterly reported holdings in Tecogen by GAMCO Asset Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $352k | 40k | 8.81 |
| 2025-06-30 | $286k | 42k | 6.80 |
| 2020-06-30 | $33k | 46k | 0.71 |
| 2020-03-31 | $43k | 46k | 0.93 |
| 2019-12-31 | $98k | 46k | 2.11 |
| 2019-09-30 | $111k | 46k | 2.39 |
| 2019-06-30 | $174k | 46k | 3.75 |
| 2019-03-31 | $185k | 46k | 3.98 |
| 2018-12-31 | $169k | 46k | 3.64 |
| 2018-09-30 | $146k | 46k | 3.14 |
| 2018-06-30 | $173k | 46k | 3.73 |
| 2018-03-31 | $133k | 46k | 2.86 |
| 2017-12-31 | $125k | 46k | 2.69 |
| 2017-09-30 | $216k | 68k | 3.19 |
| 2017-06-30 | $226k | 68k | 3.34 |
| 2017-03-31 | $159k | 42k | 3.79 |
| 2016-12-31 | $193k | 46k | 4.20 |
| 2016-09-30 | $191k | 46k | 4.15 |
| 2016-06-30 | $251k | 49k | 5.09 |
| 2016-03-31 | $196k | 50k | 3.92 |
| 2015-12-31 | $210k | 60k | 3.50 |
| 2015-09-30 | $221k | 64k | 3.45 |
| 2015-06-30 | $267k | 65k | 4.11 |
| 2015-03-31 | $406k | 80k | 5.08 |
| 2014-12-31 | $444k | 85k | 5.22 |
| 2014-09-30 | $538k | 96k | 5.60 |
| 2014-06-30 | $767k | 96k | 7.99 |