| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| SIMPLEX TRADING, LLC | 36 | 36 | 0.00% | 0.06% | 0.18% | Q4 2014 | Q3 2023 | 36 |
| SG Americas Securities, LLC | 32 | 2 | 0.00% | 0.01% | 0.07% | Q2 2013 | Q1 2022 | 34 |
| Allianz Asset Management GmbH | 22 | 11 | 0.00% | 0.04% | 0.14% | Q1 2015 | Q3 2023 | 33 |
| JPMORGAN CHASE & CO | 33 | 33 | 0.00% | 0.00% | 0.02% | Q3 2015 | Q3 2023 | 33 |
| GROUP ONE TRADING, L.P. | 14 | 1 | 0.00% | 0.01% | 0.04% | Q2 2016 | Q3 2023 | 23 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 21 | 21 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q3 2023 | 21 |
| IMC-Chicago, LLC | 8 | 4 | 0.01% | 0.02% | 0.05% | Q4 2018 | Q3 2023 | 17 |
| Timber Hill LLC | 16 | 16 | 0.08% | 0.16% | 0.21% | Q2 2013 | Q1 2017 | 16 |
| Maven Securities LTD | 5 | 4 | 0.01% | 0.05% | 0.13% | Q4 2019 | Q3 2023 | 14 |
| Citadel Advisors | 13 | 13 | 0.02% | 0.05% | 0.07% | Q2 2013 | Q2 2016 | 13 |
| Gladius Capital Management LP | 6 | 5 | 0.03% | 0.34% | 1.11% | Q4 2018 | Q4 2021 | 11 |
| Virtu KCG Holdings LLC | 10 | 10 | 0.03% | 0.08% | 0.14% | Q3 2013 | Q4 2015 | 10 |
| HRT FINANCIAL LP | 3 | 1 | 0.00% | 0.03% | 0.09% | Q3 2018 | Q3 2023 | 9 |
| Ancora Advisors LLC | 5 | 1 | 0.00% | 0.00% | 0.00% | Q4 2020 | Q1 2023 | 8 |
| All Terrain Financial Advisors, LLC | 7 | 7 | 0.01% | 0.66% | 1.16% | Q3 2018 | Q1 2020 | 7 |
| Ninepoint Partners LP | 3 | 3 | 0.17% | 0.42% | 0.81% | Q3 2017 | Q3 2019 | 6 |
| JANE STREET GROUP, LLC | 6 | 6 | 0.00% | 0.02% | 0.05% | Q2 2022 | Q3 2023 | 6 |
| LOEWS CORP | 6 | 6 | 0.05% | 0.06% | 0.06% | Q3 2015 | Q4 2016 | 6 |
| HBK INVESTMENTS L P | 4 | 1 | 0.01% | 0.05% | 0.07% | Q1 2019 | Q4 2020 | 5 |
| Twin Tree Management, LP | 3 | 1 | 0.03% | 0.05% | 0.07% | Q2 2022 | Q3 2023 | 4 |
| Garda Capital Partners LP | 4 | 4 | 0.01% | 0.13% | 0.31% | Q4 2022 | Q3 2023 | 4 |
| Hudson Bay Capital Management LP | 2 | 1 | 0.02% | 0.11% | 0.19% | Q1 2017 | Q1 2019 | 4 |
| WOODLEY FARRA MANION PORTFOLIO MANAGEMENT INC | 2 | 1 | 0.04% | 0.04% | 0.04% | Q4 2013 | Q1 2015 | 3 |
| Assenagon Asset Management S.A. | 2 | 2 | 0.12% | 0.13% | 0.13% | Q1 2022 | Q2 2022 | 2 |
| Laurion Capital Management LP | 1 | 1 | 1.05% | 1.05% | 1.05% | Q3 2014 | Q3 2014 | 1 |
| SAC Capital Advisors LP | 1 | 1 | 0.04% | 0.04% | 0.04% | Q2 2013 | Q2 2013 | 1 |
| Focused Wealth Management, Inc | 1 | 1 | 0.00% | 0.00% | 0.00% | Q1 2019 | Q1 2019 | 1 |
| Parameter Capital Management LLC | 1 | 1 | 1.03% | 1.03% | 1.03% | Q2 2013 | Q2 2013 | 1 |
| PEAK6 Group LLC | 1 | 1 | 0.02% | 0.02% | 0.02% | Q3 2014 | Q3 2014 | 1 |
| Itau Unibanco Holding S.A. | 1 | 1 | 0.01% | 0.01% | 0.01% | Q1 2022 | Q1 2022 | 1 |
| Circle Wealth Management, LLC | 1 | 1 | 0.04% | 0.04% | 0.04% | Q2 2020 | Q2 2020 | 1 |
| SOCIETE GENERALE | 1 | 1 | 0.01% | 0.01% | 0.01% | Q2 2016 | Q2 2016 | 1 |
| SNS Financial Group, LLC | 1 | 1 | 0.09% | 0.09% | 0.09% | Q1 2013 | Q1 2013 | 1 |
| TWO SIGMA SECURITIES, LLC | 1 | 1 | 0.02% | 0.02% | 0.02% | Q3 2019 | Q3 2019 | 1 |
| KNIGHT CAPITAL GROUP LLC | 1 | 1 | 0.20% | 0.20% | 0.20% | Q2 2013 | Q2 2013 | 1 |
| CIBC WORLD MARKETS CORP | 1 | 1 | 0.01% | 0.01% | 0.01% | Q3 2019 | Q3 2019 | 1 |
This page lists all the filers that currently own UNION PAC CORP or have owned UNION PAC CORP in the past.