GREAT LAKES DREDGE & DOCK CO's ticker is and the CUSIP is 390607909. A total of 3 filers reported holding GREAT LAKES DREDGE & DOCK CO in Q4 2020. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2023 | $4,896 | +64.6% | 600 | +20.0% | 0.00% | – |
| Q4 2022 | $2,975 | -85.1% | 500 | -66.7% | 0.00% | – |
| Q2 2022 | $20,000 | +1900.0% | 1,500 | +1400.0% | 0.00% | – |
| Q1 2022 | $1,000 | -50.0% | 100 | 0.0% | 0.00% | – |
| Q4 2021 | $2,000 | -91.7% | 100 | -93.8% | 0.00% | – |
| Q3 2021 | $24,000 | +500.0% | 1,600 | +433.3% | 0.00% | – |
| Q1 2021 | $4,000 | -99.0% | 300 | -99.0% | 0.00% | -100.0% |
| Q4 2020 | $414,000 | +41300.0% | 31,400 | +31300.0% | 0.00% | – |
| Q3 2020 | $1,000 | -99.9% | 100 | -99.9% | 0.00% | -100.0% |
| Q2 2020 | $820,000 | -1.1% | 88,600 | -11.3% | 0.00% | -42.9% |
| Q1 2020 | $829,000 | +496.4% | 99,900 | +712.2% | 0.01% | +600.0% |
| Q4 2019 | $139,000 | +434.6% | 12,300 | +392.0% | 0.00% | – |
| Q3 2019 | $26,000 | -57.4% | 2,500 | -54.5% | 0.00% | -100.0% |
| Q2 2019 | $61,000 | +408.3% | 5,500 | +175.0% | 0.00% | – |
| Q3 2018 | $12,000 | -14.3% | 2,000 | -23.1% | 0.00% | – |
| Q2 2018 | $14,000 | +366.7% | 2,600 | +333.3% | 0.00% | – |
| Q1 2018 | $3,000 | -99.9% | 600 | -88.0% | 0.00% | -100.0% |
| Q4 2017 | $2,700,000 | +44900.0% | 5,000 | +233.3% | 0.02% | – |
| Q4 2016 | $6,000 | -72.7% | 1,500 | -70.0% | 0.00% | – |
| Q2 2016 | $22,000 | -42.1% | 5,000 | +13.6% | 0.00% | -100.0% |
| Q4 2014 | $38,000 | -38.7% | 4,400 | -56.0% | 0.00% | 0.0% |
| Q3 2014 | $62,000 | +72.2% | 10,000 | +156.4% | 0.00% | 0.0% |
| Q1 2014 | $36,000 | -30.8% | 3,900 | -30.4% | 0.00% | 0.0% |
| Q4 2013 | $52,000 | +205.9% | 5,600 | +143.5% | 0.00% | – |
| Q3 2013 | $17,000 | -87.4% | 2,300 | -86.7% | 0.00% | -100.0% |
| Q2 2013 | $135,000 | – | 17,300 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 31,400 | $414,000 | 0.00% |
| SIMPLEX TRADING, LLC | 554 | $729,000 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |