DYAX CORP

CUSIP: 26746E103 Class: CMN

PRINCIPAL FINANCIAL GROUP INC's Holding History (CIK: 0001126328)

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

Q4 2015
Shares 25,131 Value ($000) $945 Avg Close — Range —
Q3 2015
Shares 25,008 Value ($000) $477 Avg Close — Range —
Q2 2015
Shares 25,115 Value ($000) $666 Avg Close — Range —
Q1 2015
Shares 21,902 Value ($000) $367 Avg Close — Range —
Q4 2014
Shares 25,064 Value ($000) $352 Avg Close — Range —
Q3 2014
Shares 28,271 Value ($000) $286 Avg Close — Range —
Q2 2014
Shares 28,271 Value ($000) $271 Avg Close — Range —
Q1 2014
Shares 37,884 Value ($000) $340 Avg Close — Range —
Q4 2013
Shares 38,244 Value ($000) $288 Avg Close — Range —