Great Lakes Dredge & Dock shares owned by Simplex Trading
Quarter-by-quarter ownership of Great Lakes Dredge & Dock shares owned by Simplex Trading
from 13F filings
Historical chart of Simplex Trading investment in Great Lakes Dredge & Dock
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Quarterly reported holdings in Great Lakes Dredge & Dock by Simplex Trading
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $40k | 3.4k | 11.76 |
| 2025-06-30 | $4.0k | 400 | 10.00 |
| 2025-03-31 | $4.0k | 500 | 8.00 |
| 2024-12-31 | $9.0k | 800 | 11.25 |
| 2024-09-30 | $10k | 1.0k | 10.00 |
| 2024-06-30 | $2.0k | 300 | 6.67 |
| 2024-03-31 | $1.0k | 200 | 5.00 |
| 2023-12-31 | $9.0k | 1.2k | 7.50 |
| 2023-09-30 | $19k | 2.4k | 7.92 |
| 2023-06-30 | $19k | 2.4k | 7.92 |
| 2022-12-31 | $2.0k | 500 | 4.00 |
| 2022-06-30 | $196k | 15k | 13.07 |
| 2022-03-31 | $75k | 5.4k | 13.89 |
| 2021-12-31 | $277k | 19k | 14.58 |
| 2021-09-30 | $277k | 19k | 14.58 |
| 2021-06-30 | $277k | 19k | 14.58 |
| 2021-03-31 | $0 | 2 | 0.00 |
| 2020-12-31 | $94 | 72 | 1.31 |
| 2020-09-30 | $32 | 34 | 0.94 |
| 2020-06-30 | $254 | 276 | 0.92 |
| 2020-03-31 | $488 | 590 | 0.83 |
| 2019-12-31 | $135 | 120 | 1.13 |
| 2019-09-30 | $3 | 3 | 1.00 |
| 2019-06-30 | $29 | 28 | 1.07 |
| 2018-03-31 | $4.0k | 80 | 50.00 |
| 2017-09-30 | $0 | 12 | 0.00 |
| 2016-12-31 | $0 | 25 | 0.00 |
| 2016-06-30 | $3.0k | 49 | 61.22 |
| 2015-06-30 | $0 | 4 | 0.00 |
| 2015-03-31 | $1.0k | 5 | 200.00 |
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