| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| GROUP ONE TRADING, L.P. | 7 | 1 | 0.00% | 0.00% | 0.00% | Q1 2017 | Q1 2020 | 10 |
| SIMPLEX TRADING, LLC | 3 | 1 | 0.00% | 0.00% | 0.00% | Q3 2016 | Q1 2020 | 9 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 7 | 7 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q1 2020 | 7 |
This page lists all the filers that currently own SPARTAN MTRS INC or have owned SPARTAN MTRS INC in the past.