| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 22 | 22 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q4 2023 | 22 |
| SIMPLEX TRADING, LLC | 4 | 3 | 0.00% | 0.00% | 0.00% | Q1 2017 | Q4 2021 | 13 |
| GROUP ONE TRADING, L.P. | 4 | 1 | 0.00% | 0.00% | 0.00% | Q1 2017 | Q4 2021 | 12 |
| Citadel Advisors | 2 | 1 | 0.00% | 0.00% | 0.00% | Q2 2013 | Q4 2015 | 4 |
| PEAK6 Group LLC | 1 | 1 | 0.00% | 0.00% | 0.00% | Q3 2014 | Q3 2014 | 1 |
This page lists all the filers that currently own SAFEGUARD SCIENTIFICS INC or have owned SAFEGUARD SCIENTIFICS INC in the past.