Kopin Corporation shares owned by Penbrook Managment
Quarter-by-quarter ownership of Kopin Corporation (KOPN) shares owned by Penbrook Managment
from 13F filings
Historical chart of Penbrook Managment investment in Kopin Corporation
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All positions including Kopin Corporation held by Penbrook Managment consolidated in one spreadsheet with up to 7 years of data
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Quarterly reported holdings in Kopin Corporation by Penbrook Managment
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $333k | 137k | 2.43 |
| 2025-06-30 | $87k | 93k | 0.93 |
| 2025-03-31 | $87k | 93k | 0.93 |
| 2024-12-31 | $66k | 49k | 1.36 |
| 2024-03-31 | $567k | 315k | 1.80 |
| 2023-12-31 | $655k | 323k | 2.03 |
| 2023-09-30 | $397k | 325k | 1.22 |
| 2023-06-30 | $699k | 325k | 2.15 |
| 2023-03-31 | $327k | 300k | 1.09 |
| 2022-12-31 | $393k | 317k | 1.24 |
| 2022-09-30 | $333k | 318k | 1.05 |
| 2022-06-30 | $359k | 321k | 1.12 |
| 2022-03-31 | $816k | 323k | 2.53 |
| 2021-12-31 | $1.3M | 323k | 4.09 |
| 2021-09-30 | $1.6M | 323k | 5.10 |
| 2021-06-30 | $2.6M | 322k | 8.18 |
| 2021-03-31 | $226k | 648k | 0.35 |
| 2020-12-31 | $1.5M | 602k | 2.43 |
| 2020-09-30 | $905k | 656k | 1.38 |
| 2020-06-30 | $838k | 630k | 1.33 |
| 2020-03-31 | $220k | 630k | 0.35 |
| 2019-12-31 | $252k | 630k | 0.40 |
| 2019-09-30 | $447k | 657k | 0.68 |
| 2019-06-30 | $727k | 667k | 1.09 |
| 2019-03-31 | $901k | 673k | 1.34 |
| 2018-12-31 | $496k | 496k | 1.00 |
| 2018-09-30 | $1.3M | 538k | 2.42 |
| 2018-06-30 | $1.5M | 538k | 2.86 |
| 2018-03-31 | $1.7M | 538k | 3.12 |
| 2017-12-31 | $1.7M | 538k | 3.20 |
| 2016-09-30 | $983k | 451k | 2.18 |
| 2016-06-30 | $971k | 438k | 2.22 |