Ticker: MKTX CUSIP: 57060D108 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2018 | 606 | $108 | $178.37 | $164.65 - $196.55 |
| Q2 2018 | 1,107 | $219 | $192.09 | $180.81 - $204.01 |
| Q1 2018 | 1,135 | $247 | $190.22 | $171.07 - $212.71 |
| Q4 2017 | 1,508 | $304 | $174.10 | $158.03 - $190.10 |