| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| SG Americas Securities, LLC | 42 | 42 | 0.00% | 0.04% | 0.26% | Q2 2013 | Q3 2023 | 42 |
| SIMPLEX TRADING, LLC | 35 | 35 | 0.00% | 0.13% | 0.32% | Q1 2015 | Q3 2023 | 35 |
| JPMORGAN CHASE & CO | 33 | 33 | 0.00% | 0.00% | 0.02% | Q3 2015 | Q3 2023 | 33 |
| Allianz Asset Management GmbH | 22 | 11 | 0.01% | 0.14% | 0.50% | Q1 2015 | Q3 2023 | 33 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 21 | 21 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q3 2023 | 21 |
| Gladius Capital Management LP | 13 | 8 | 0.02% | 0.53% | 1.22% | Q2 2018 | Q3 2023 | 21 |
| Timber Hill LLC | 16 | 16 | 0.03% | 0.06% | 0.09% | Q2 2013 | Q1 2017 | 16 |
| Maven Securities LTD | 5 | 4 | 0.01% | 0.23% | 0.65% | Q4 2019 | Q3 2023 | 14 |
| Citadel Advisors | 13 | 13 | 0.02% | 0.04% | 0.08% | Q2 2013 | Q2 2016 | 13 |
| COMMERZBANK AKTIENGESELLSCHAFT /FI | 9 | 1 | 0.03% | 0.15% | 0.38% | Q2 2013 | Q4 2015 | 10 |
| OSAIC HOLDINGS, INC. | 8 | 8 | 0.00% | 0.00% | 0.00% | Q1 2020 | Q4 2021 | 8 |
| Hudson Bay Capital Management LP | 3 | 1 | 0.04% | 0.09% | 0.17% | Q2 2016 | Q1 2019 | 7 |
| JANE STREET GROUP, LLC | 6 | 6 | 0.04% | 0.08% | 0.13% | Q2 2022 | Q3 2023 | 6 |
| Twin Tree Management, LP | 5 | 5 | 0.26% | 0.53% | 0.79% | Q3 2022 | Q3 2023 | 5 |
| Elite Wealth Management, Inc. | 2 | 1 | 0.00% | 0.00% | 0.01% | Q1 2013 | Q3 2014 | 4 |
| Garda Capital Partners LP | 4 | 4 | 0.44% | 0.68% | 0.97% | Q4 2022 | Q3 2023 | 4 |
| HBK INVESTMENTS L P | 2 | 1 | 0.07% | 0.29% | 0.56% | Q2 2019 | Q1 2022 | 3 |
| WELLS FARGO & COMPANY/MN | 3 | 3 | 0.01% | 0.01% | 0.01% | Q2 2021 | Q4 2021 | 3 |
| HSBC HOLDINGS PLC | 2 | 2 | 0.01% | 0.01% | 0.01% | Q4 2012 | Q1 2013 | 2 |
| Marathon Trading Investment Management LLC | 1 | 1 | 0.01% | 0.20% | 0.38% | Q1 2015 | Q2 2019 | 2 |
| BOOTHBAY FUND MANAGEMENT, LLC | 1 | 1 | 0.61% | 0.61% | 0.61% | Q4 2018 | Q4 2018 | 1 |
| SOCIETE GENERALE | 1 | 1 | 0.00% | 0.00% | 0.00% | Q2 2016 | Q2 2016 | 1 |
| Advisor Group, Inc. | 1 | 1 | 0.00% | 0.00% | 0.00% | Q4 2019 | Q4 2019 | 1 |
| TWO SIGMA SECURITIES, LLC | 1 | 1 | 0.10% | 0.10% | 0.10% | Q3 2019 | Q3 2019 | 1 |
| Summit Trail Advisors, LLC | 1 | 1 | 0.34% | 0.34% | 0.34% | Q1 2021 | Q1 2021 | 1 |
| PEAK6 Group LLC | 1 | 1 | 0.07% | 0.07% | 0.07% | Q3 2014 | Q3 2014 | 1 |
| CIBC WORLD MARKETS CORP | 1 | 1 | 0.28% | 0.28% | 0.28% | Q1 2018 | Q1 2018 | 1 |
| All Terrain Financial Advisors, LLC | 1 | 1 | 0.09% | 0.09% | 0.09% | Q4 2017 | Q4 2017 | 1 |
| OVERSEA-CHINESE BANKING Corp Ltd | 1 | 1 | 0.02% | 0.02% | 0.02% | Q3 2023 | Q3 2023 | 1 |
| Parameter Capital Management LLC | 1 | 1 | 0.96% | 0.96% | 0.96% | Q2 2013 | Q2 2013 | 1 |
This page lists all the filers that currently own BERKSHIRE HATHAWAY INC DEL or have owned BERKSHIRE HATHAWAY INC DEL in the past.