MARKETAXESS HLDGS INC

Ticker: MKTX CUSIP: 57060D108 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 298 Value ($000) $54 Avg Close $169.50 Range $154.80 - $183.58
Q3 2025
Shares 547 Value ($000) $95 Avg Close $193.45 Range $172.51 - $222.19
Q1 2025
Shares 2,202 Value ($000) $476 Avg Close $206.23 Range $183.82 - $224.26
Q4 2024
Shares 229 Value ($000) $52 Avg Close $257.54 Range $220.08 - $289.94
Q2 2022
Shares 1,386 Value ($000) $355 Avg Close $260.22 Range $237.15 - $332.85
Q1 2022
Shares 2,922 Value ($000) $994 Avg Close $344.01 Range $304.48 - $391.34
Q4 2021
Shares 542 Value ($000) $223 Avg Close $373.74 Range $323.75 - $410.92
Q3 2021
Shares 300 Value ($000) $126 Avg Close $434.10 Range $386.93 - $472.28
Q4 2013
Shares 780 Value ($000) $52 Avg Close $58.63 Range $53.33 - $63.89
Q3 2013
Shares 3,091 Value ($000) $186 Avg Close $47.53 Range $41.58 - $55.43
Q2 2013
Shares 41 Value ($000) $2 Avg Close $38.12 Range $32.31 - $42.94