ACHILLION PHARMACEUTICALS IN

CUSIP: 00448Q201 Class: COM

Rock Springs Capital Management LP's Holding History (CIK: 0001595725)

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

Q4 2019
Shares 3,685,000 Value ($000) $22,221 Avg Close — Range —
Q3 2019
Shares 3,825,000 Value ($000) $13,770 Avg Close — Range —
Q2 2019
Shares 2,950,000 Value ($000) $7,906 Avg Close — Range —
Q1 2019
Shares 2,700,000 Value ($000) $7,992 Avg Close — Range —
Q4 2018
Shares 2,325,000 Value ($000) $3,697 Avg Close — Range —
Q3 2018
Shares 2,400,000 Value ($000) $8,832 Avg Close — Range —
Q2 2018
Shares 2,350,000 Value ($000) $6,651 Avg Close — Range —
Q1 2018
Shares 2,250,000 Value ($000) $8,348 Avg Close — Range —
Q4 2017
Shares 2,250,000 Value ($000) $6,480 Avg Close — Range —
Q3 2017
Shares 2,131,400 Value ($000) $9,570 Avg Close — Range —
Q2 2017
Shares 1,725,000 Value ($000) $7,918 Avg Close — Range —
Q1 2017
Shares 1,500,000 Value ($000) $6,315 Avg Close — Range —
Q4 2016
Shares 1,375,000 Value ($000) $5,679 Avg Close — Range —
Q3 2016
Shares 1,316,000 Value ($000) $10,660 Avg Close — Range —
Q2 2016
Shares 1,312,500 Value ($000) $10,238 Avg Close — Range —
Q1 2016
Shares 1,220,000 Value ($000) $9,418 Avg Close — Range —
Q4 2015
Shares 1,105,000 Value ($000) $11,923 Avg Close — Range —
Q3 2015
Shares 1,125,000 Value ($000) $7,774 Avg Close — Range —
Q2 2015
Shares 1,100,000 Value ($000) $9,746 Avg Close — Range —
Q1 2015
Shares 600,000 Value ($000) $5,916 Avg Close — Range —
Q4 2014
Shares 365,000 Value ($000) $4,471 Avg Close — Range —