| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| SIMPLEX TRADING, LLC | 36 | 36 | 0.00% | 0.07% | 0.37% | Q4 2014 | Q3 2023 | 36 |
| Allianz Asset Management GmbH | 22 | 11 | 0.00% | 0.02% | 0.08% | Q1 2015 | Q3 2023 | 33 |
| JPMORGAN CHASE & CO | 16 | 2 | 0.00% | 0.01% | 0.02% | Q3 2015 | Q3 2023 | 25 |
| SG Americas Securities, LLC | 11 | 2 | 0.00% | 0.02% | 0.04% | Q3 2014 | Q3 2023 | 22 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 21 | 21 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q3 2023 | 21 |
| GROUP ONE TRADING, L.P. | 15 | 2 | 0.00% | 0.02% | 0.09% | Q2 2013 | Q3 2023 | 20 |
| IMC-Chicago, LLC | 11 | 1 | 0.01% | 0.03% | 0.05% | Q4 2018 | Q3 2023 | 17 |
| Timber Hill LLC | 17 | 17 | 0.03% | 0.07% | 0.18% | Q2 2013 | Q2 2017 | 17 |
| Citadel Advisors | 13 | 13 | 0.04% | 0.08% | 0.12% | Q2 2013 | Q2 2016 | 13 |
| SABBY MANAGEMENT, LLC | 5 | 3 | 0.02% | 1.60% | 4.69% | Q2 2013 | Q4 2016 | 12 |
| Maven Securities LTD | 5 | 2 | 0.00% | 0.04% | 0.07% | Q2 2020 | Q3 2023 | 12 |
| Virtu KCG Holdings LLC | 10 | 10 | 0.02% | 0.06% | 0.11% | Q3 2013 | Q4 2015 | 10 |
| HRT FINANCIAL LP | 2 | 1 | 0.01% | 0.05% | 0.16% | Q3 2018 | Q2 2023 | 7 |
| JANE STREET GROUP, LLC | 6 | 6 | 0.01% | 0.02% | 0.02% | Q2 2022 | Q3 2023 | 6 |
| Twin Tree Management, LP | 4 | 4 | 0.01% | 0.03% | 0.10% | Q3 2022 | Q2 2023 | 4 |
| Garda Capital Partners LP | 2 | 1 | 0.06% | 0.16% | 0.30% | Q4 2022 | Q3 2023 | 3 |
| Iguana Healthcare Management, LLC | 1 | 1 | 0.99% | 1.46% | 1.93% | Q3 2014 | Q1 2016 | 2 |
| BOOTHBAY FUND MANAGEMENT, LLC | 1 | 1 | 0.40% | 0.91% | 1.43% | Q2 2018 | Q1 2020 | 2 |
| Gladius Capital Management LP | 2 | 2 | 1.05% | 1.96% | 2.87% | Q1 2023 | Q2 2023 | 2 |
| PFM Health Sciences, LP | 2 | 2 | 0.33% | 0.68% | 1.04% | Q2 2016 | Q3 2016 | 2 |
| Valtura Capital Partners LLC | 2 | 2 | 1.01% | 1.83% | 2.65% | Q4 2015 | Q1 2016 | 2 |
| Focused Wealth Management, Inc | 1 | 1 | 0.01% | 0.03% | 0.05% | Q1 2020 | Q3 2020 | 2 |
| Partner Investment Management, L.P. | 2 | 2 | 0.36% | 0.72% | 1.09% | Q2 2016 | Q3 2016 | 2 |
| HBK INVESTMENTS L P | 2 | 2 | 0.01% | 0.02% | 0.02% | Q3 2019 | Q4 2019 | 2 |
| COMMERZBANK AKTIENGESELLSCHAFT /FI | 1 | 1 | 0.03% | 0.03% | 0.03% | Q2 2019 | Q2 2019 | 1 |
| LUPO SECURITIES, LLC | 1 | 1 | 0.00% | 0.00% | 0.00% | Q4 2014 | Q4 2014 | 1 |
| Graticule Asia Macro Advisors LLC | 1 | 1 | 0.56% | 0.56% | 0.56% | Q2 2017 | Q2 2017 | 1 |
| TWO SIGMA SECURITIES, LLC | 1 | 1 | 0.02% | 0.02% | 0.02% | Q3 2019 | Q3 2019 | 1 |
| Sofinnova Investments, Inc. | 1 | 1 | 1.08% | 1.08% | 1.08% | Q3 2021 | Q3 2021 | 1 |
| Financial Architects, Inc | 1 | 1 | 0.00% | 0.00% | 0.00% | Q1 2016 | Q1 2016 | 1 |
| Marathon Trading Investment Management LLC | 1 | 1 | 0.12% | 0.12% | 0.12% | Q3 2020 | Q3 2020 | 1 |
| KNIGHT CAPITAL GROUP LLC | 1 | 1 | 0.05% | 0.05% | 0.05% | Q2 2013 | Q2 2013 | 1 |
| PEAK6 Group LLC | 1 | 1 | 0.38% | 0.38% | 0.38% | Q3 2014 | Q3 2014 | 1 |
This page lists all the filers that currently own REGENERON PHARMACEUTICALS or have owned REGENERON PHARMACEUTICALS in the past.