| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 10 | 10 | 0.00% | 0.00% | 0.00% | Q1 2021 | Q2 2023 | 10 |
| SIMPLEX TRADING, LLC | 6 | 6 | 0.00% | 0.00% | 0.00% | Q1 2021 | Q2 2022 | 6 |
| GROUP ONE TRADING, L.P. | 4 | 4 | 0.00% | 0.00% | 0.00% | Q1 2022 | Q4 2022 | 4 |
This page lists all the filers that currently own SIGMA LABS INC or have owned SIGMA LABS INC in the past.