| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| SIMPLEX TRADING, LLC | 2 | 1 | 0.00% | 0.00% | 0.00% | Q4 2017 | Q3 2018 | 3 |
| GROUP ONE TRADING, L.P. | 1 | 1 | 0.00% | 0.00% | 0.01% | Q3 2017 | Q3 2018 | 2 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 1 | 1 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q3 2018 | 1 |
This page lists all the filers that currently own K2M GROUP HLDGS INC or have owned K2M GROUP HLDGS INC in the past.