| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| SIMPLEX TRADING, LLC | 24 | 1 | 0.00% | 0.00% | 0.00% | Q2 2015 | Q2 2023 | 30 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 21 | 21 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q3 2023 | 21 |
| GROUP ONE TRADING, L.P. | 5 | 1 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q2 2023 | 11 |
| Citadel Advisors | 9 | 1 | 0.00% | 0.00% | 0.00% | Q4 2013 | Q2 2016 | 10 |
| Andalusian Capital Partners, LP | 2 | 2 | 0.07% | 0.24% | 0.41% | Q2 2015 | Q3 2015 | 2 |
| FIRST SABREPOINT CAPITAL MANAGEMENT LP | 1 | 1 | 1.79% | 1.79% | 1.79% | Q4 2018 | Q4 2018 | 1 |
This page lists all the filers that currently own KOPPERS HOLDINGS INC or have owned KOPPERS HOLDINGS INC in the past.