| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| GROUP ONE TRADING, L.P. | 26 | 26 | 0.00% | 0.07% | 0.50% | Q3 2013 | Q4 2019 | 26 |
| SIMPLEX TRADING, LLC | 21 | 21 | 0.00% | 0.01% | 0.04% | Q4 2014 | Q4 2019 | 21 |
| JPMORGAN CHASE & CO | 9 | 6 | 0.00% | 0.00% | 0.01% | Q1 2016 | Q4 2019 | 15 |
| Citadel Advisors | 13 | 13 | 0.00% | 0.00% | 0.01% | Q2 2013 | Q2 2016 | 13 |
| SABBY MANAGEMENT, LLC | 6 | 1 | 0.01% | 0.05% | 0.23% | Q1 2014 | Q2 2017 | 10 |
| Timber Hill LLC | 3 | 1 | 0.00% | 0.00% | 0.01% | Q2 2013 | Q1 2017 | 7 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 7 | 7 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q1 2020 | 7 |
| Worth Venture Partners, LLC | 5 | 5 | 0.01% | 0.45% | 1.22% | Q4 2018 | Q4 2019 | 5 |
| BOOTHBAY FUND MANAGEMENT, LLC | 2 | 2 | 0.26% | 0.30% | 0.35% | Q2 2019 | Q3 2019 | 2 |
| Tamarack Advisers, LP | 1 | 1 | 0.01% | 0.02% | 0.02% | Q3 2018 | Q1 2019 | 2 |
| Iguana Healthcare Management, LLC | 1 | 1 | 0.54% | 0.54% | 0.54% | Q4 2013 | Q4 2013 | 1 |
| Sofinnova Investments, Inc. | 1 | 1 | 0.67% | 0.67% | 0.67% | Q4 2019 | Q4 2019 | 1 |
| SAC Capital Advisors LP | 1 | 1 | 0.02% | 0.02% | 0.02% | Q2 2013 | Q2 2013 | 1 |
This page lists all the filers that currently own MEDICINES CO or have owned MEDICINES CO in the past.