ACHILLION PHARMACEUTICALS IN

CUSIP: 00448Q201 Class: COM

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

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

Q4 2019
Shares 163,891 Value ($000) $988 Avg Close Range
Q3 2019
Shares 11,139 Value ($000) $40 Avg Close Range
Q1 2019
Shares 1,042 Value ($000) $3 Avg Close Range
Q4 2018
Shares 6,887 Value ($000) $11 Avg Close Range
Q3 2018
Shares 37,598 Value ($000) $138 Avg Close Range
Q4 2017
Shares 18,061 Value ($000) $52 Avg Close Range
Q3 2017
Shares 5,457 Value ($000) $25 Avg Close Range
Q2 2017
Shares 3,981 Value ($000) $18 Avg Close Range
Q1 2017
Shares 7,840 Value ($000) $33 Avg Close Range
Q4 2016
Shares 77,478 Value ($000) $320 Avg Close Range
Q3 2016
Shares 59,978 Value ($000) $486 Avg Close Range
Q2 2016
Shares 45,643 Value ($000) $356 Avg Close Range
Q1 2016
Shares 76,489 Value ($000) $591 Avg Close Range
Q4 2015
Shares 183,055 Value ($000) $1,975 Avg Close Range
Q3 2015
Shares 57,020 Value ($000) $394 Avg Close Range
Q2 2015
Shares 204,746 Value ($000) $1,814 Avg Close Range
Q1 2015
Shares 270,698 Value ($000) $2,669 Avg Close Range
Q4 2014
Shares 106,330 Value ($000) $1,303 Avg Close Range
Q3 2014
Shares 604,906 Value ($000) $6,037 Avg Close Range
Q2 2014
Shares 792,310 Value ($000) $5,998 Avg Close Range
Q1 2014
Shares 458,974 Value ($000) $1,510 Avg Close Range
Q4 2013
Shares 634,972 Value ($000) $2,108 Avg Close Range
Q2 2013
Shares 380,323 Value ($000) $3,111 Avg Close Range