DYAX CORP

CUSIP: 26746E103 Class: CMN

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

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

Q4 2015
Shares 124,000 Value ($000) $4,665 Avg Close — Range —
Q3 2015
Shares 114,500 Value ($000) $2,186 Avg Close — Range —
Q2 2015
Shares 102,500 Value ($000) $2,716 Avg Close — Range —