GREAT LAKES DREDGE & DOCK CO's ticker is and the CUSIP is 390607959. 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 | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $19 | 0.0% | 2,400 | 0.0% | 0.00% | – |
| Q2 2023 | $19 | +850.0% | 2,400 | +380.0% | 0.00% | – |
| Q4 2022 | $2 | -100.0% | 500 | -96.7% | 0.00% | – |
| Q2 2022 | $196,000 | +161.3% | 15,000 | +177.8% | 0.00% | – |
| Q1 2022 | $75,000 | -26.5% | 5,400 | -16.9% | 0.00% | – |
| Q4 2021 | $102,000 | -63.2% | 6,500 | -65.8% | 0.00% | – |
| Q3 2021 | $277,000 | 0.0% | 19,000 | 0.0% | 0.00% | – |
| Q2 2021 | $277,000 | – | 19,000 | +949900.0% | 0.00% | – |
| Q1 2021 | $0 | -100.0% | 2 | -97.2% | 0.00% | – |
| Q4 2020 | $94,000 | +193.8% | 72 | +111.8% | 0.00% | – |
| Q3 2020 | $32,000 | -87.5% | 34 | -87.7% | 0.00% | – |
| Q2 2020 | $255,000 | -47.9% | 276 | -53.2% | 0.00% | -100.0% |
| Q1 2020 | $489,000 | +262.2% | 590 | +391.7% | 0.00% | – |
| Q4 2019 | $135,000 | +4400.0% | 120 | +3900.0% | 0.00% | – |
| Q3 2019 | $3,000 | -90.0% | 3 | -89.3% | 0.00% | – |
| Q2 2019 | $30,000 | +650.0% | 28 | -65.0% | 0.00% | – |
| Q1 2018 | $4,000 | – | 80 | +566.7% | 0.00% | – |
| Q3 2017 | $0 | – | 12 | -52.0% | 0.00% | – |
| Q4 2016 | $0 | -100.0% | 25 | -49.0% | 0.00% | – |
| Q2 2016 | $3,000 | – | 49 | +1125.0% | 0.00% | – |
| Q2 2015 | $0 | -100.0% | 4 | -20.0% | 0.00% | – |
| Q1 2015 | $1,000 | – | 5 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |
| GROUP ONE TRADING, L.P. | 500 | $7,000 | 0.00% |
| SIMPLEX TRADING, LLC | 72 | $94,000 | 0.00% |