| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| SIMPLEX TRADING, LLC | 24 | 1 | 0.00% | 0.00% | 0.01% | Q4 2014 | Q3 2023 | 30 |
| GROUP ONE TRADING, L.P. | 13 | 2 | 0.00% | 0.00% | 0.00% | Q1 2014 | Q3 2023 | 27 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 21 | 21 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q3 2023 | 21 |
| Citadel Advisors | 12 | 12 | 0.00% | 0.00% | 0.00% | Q2 2013 | Q1 2016 | 12 |
| Timber Hill LLC | 2 | 2 | 0.00% | 0.00% | 0.00% | Q4 2013 | Q1 2014 | 2 |
This page lists all the filers that currently own HARSCO CORP or have owned HARSCO CORP in the past.