DYAX CORP

CUSIP: 26746E103 Class: CMN

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

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

Q3 2015
Shares 1,670,922 Value ($000) $31,898 Avg Close — Range —
Q2 2015
Shares 275,180 Value ($000) $7,292 Avg Close — Range —