DYAX CORP

CUSIP: 26746E103 Class: CMN

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q4 2015
Shares 160,777 Value ($000) $6,048 Avg Close — Range —
Q3 2015
Shares 1,200 Value ($000) $23 Avg Close — Range —