ACHILLION PHARMACEUTICALS IN

CUSIP: 00448Q201 Class: COM

EcoR1 Capital, LLC's Holding History (CIK: 0001587114)

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

Q3 2018
Shares 1,564,080 Value ($000) $5,756 Avg Close — Range —
Q2 2018
Shares 3,887,407 Value ($000) $11,001 Avg Close — Range —
Q1 2018
Shares 3,668,307 Value ($000) $13,573 Avg Close — Range —
Q4 2017
Shares 1,840,725 Value ($000) $5,301 Avg Close — Range —
Q2 2017
Shares 742,835 Value ($000) $3,410 Avg Close — Range —