| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| SIMPLEX TRADING, LLC | 36 | 36 | 0.00% | 0.10% | 0.45% | Q4 2014 | Q3 2023 | 36 |
| GROUP ONE TRADING, L.P. | 33 | 33 | 0.00% | 0.09% | 0.33% | Q3 2015 | Q3 2023 | 33 |
| SG Americas Securities, LLC | 32 | 1 | 0.00% | 0.02% | 0.13% | Q4 2014 | Q3 2023 | 33 |
| Allianz Asset Management GmbH | 22 | 3 | 0.00% | 0.04% | 0.15% | Q1 2015 | Q3 2023 | 32 |
| JPMORGAN CHASE & CO | 19 | 12 | 0.00% | 0.01% | 0.03% | Q3 2015 | Q3 2023 | 31 |
| SABBY MANAGEMENT, LLC | 13 | 4 | 0.08% | 3.36% | 13.66% | Q4 2013 | Q1 2021 | 23 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 21 | 21 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q3 2023 | 21 |
| IMC-Chicago, LLC | 11 | 8 | 0.00% | 0.04% | 0.14% | Q4 2018 | Q3 2023 | 19 |
| Timber Hill LLC | 17 | 17 | 0.00% | 0.13% | 0.34% | Q2 2013 | Q2 2017 | 17 |
| Citadel Advisors | 13 | 13 | 0.05% | 0.10% | 0.13% | Q2 2013 | Q2 2016 | 13 |
| Virtu KCG Holdings LLC | 10 | 10 | 0.08% | 0.11% | 0.18% | Q3 2013 | Q4 2015 | 10 |
| Maven Securities LTD | 2 | 1 | 0.01% | 0.01% | 0.02% | Q2 2020 | Q3 2023 | 7 |
| JANE STREET GROUP, LLC | 6 | 6 | 0.01% | 0.03% | 0.07% | Q2 2022 | Q3 2023 | 6 |
| HRT FINANCIAL LP | 3 | 1 | 0.01% | 0.09% | 0.33% | Q2 2019 | Q4 2021 | 6 |
| Hudson Bay Capital Management LP | 3 | 2 | 0.04% | 0.31% | 0.68% | Q3 2016 | Q1 2019 | 5 |
| Twin Tree Management, LP | 4 | 4 | 0.02% | 0.10% | 0.13% | Q2 2022 | Q1 2023 | 4 |
| BOOTHBAY FUND MANAGEMENT, LLC | 2 | 2 | 0.21% | 0.30% | 0.39% | Q4 2018 | Q4 2020 | 4 |
| HBK INVESTMENTS L P | 1 | 1 | 0.01% | 0.04% | 0.08% | Q3 2018 | Q4 2019 | 3 |
| All Terrain Financial Advisors, LLC | 1 | 1 | 0.08% | 0.10% | 0.12% | Q1 2019 | Q3 2019 | 2 |
| WELLS FARGO & COMPANY/MN | 2 | 2 | 0.00% | 0.00% | 0.00% | Q2 2021 | Q3 2021 | 2 |
| LUPO SECURITIES, LLC | 2 | 2 | 0.01% | 0.02% | 0.02% | Q4 2014 | Q1 2015 | 2 |
| COMMERZBANK AKTIENGESELLSCHAFT /FI | 1 | 1 | 0.02% | 0.03% | 0.05% | Q2 2013 | Q2 2019 | 2 |
| Gladius Capital Management LP | 2 | 2 | 0.04% | 0.05% | 0.06% | Q4 2018 | Q1 2019 | 2 |
| Worth Venture Partners, LLC | 1 | 1 | 0.01% | 0.33% | 0.66% | Q1 2019 | Q3 2022 | 2 |
| OSAIC HOLDINGS, INC. | 1 | 1 | 0.00% | 0.00% | 0.00% | Q1 2020 | Q4 2020 | 2 |
| Compagnie Lombard Odier SCmA | 1 | 1 | 0.00% | 0.00% | 0.00% | Q2 2019 | Q2 2020 | 2 |
| Eisler Capital (UK) Ltd. | 1 | 1 | 0.33% | 0.33% | 0.33% | Q2 2022 | Q2 2022 | 1 |
| PEAK6 Group LLC | 1 | 1 | 0.28% | 0.28% | 0.28% | Q3 2014 | Q3 2014 | 1 |
| Laurion Capital Management LP | 1 | 1 | 0.21% | 0.21% | 0.21% | Q3 2014 | Q3 2014 | 1 |
| SNS Financial Group, LLC | 1 | 1 | 0.14% | 0.14% | 0.14% | Q1 2014 | Q1 2014 | 1 |
| Elite Wealth Management, Inc. | 1 | 1 | 0.00% | 0.00% | 0.00% | Q1 2013 | Q1 2013 | 1 |
| Advisor Group, Inc. | 1 | 1 | 0.00% | 0.00% | 0.00% | Q4 2019 | Q4 2019 | 1 |
| SPHERA FUNDS MANAGEMENT LTD. | 1 | 1 | 1.57% | 1.57% | 1.57% | Q2 2016 | Q2 2016 | 1 |
| SOCIETE GENERALE | 1 | 1 | 0.01% | 0.01% | 0.01% | Q2 2016 | Q2 2016 | 1 |
| TWO SIGMA SECURITIES, LLC | 1 | 1 | 0.04% | 0.04% | 0.04% | Q3 2019 | Q3 2019 | 1 |
| KNIGHT CAPITAL GROUP LLC | 1 | 1 | 0.10% | 0.10% | 0.10% | Q2 2013 | Q2 2013 | 1 |
| Marathon Trading Investment Management LLC | 1 | 1 | 0.11% | 0.11% | 0.11% | Q3 2020 | Q3 2020 | 1 |
| CIBC WORLD MARKETS CORP | 1 | 1 | 0.92% | 0.92% | 0.92% | Q2 2016 | Q2 2016 | 1 |
| Fort Point Capital Partners LLC | 1 | 1 | 0.21% | 0.21% | 0.21% | Q3 2018 | Q3 2018 | 1 |
| Hound Partners | 1 | 1 | 0.49% | 0.49% | 0.49% | Q2 2020 | Q2 2020 | 1 |
| Garda Capital Partners LP | 1 | 1 | 0.03% | 0.03% | 0.03% | Q3 2023 | Q3 2023 | 1 |
This page lists all the filers that currently own BIOGEN INC or have owned BIOGEN INC in the past.