DYAX CORP

CUSIP: 26746E103 Class: CMN

BAKER BROS. ADVISORS LP's Holding History (CIK: 0001263508)

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

Q4 2015
Shares 8,310,017 Value ($000) $312,623 Avg Close — Range —
Q3 2015
Shares 7,561,480 Value ($000) $144,349 Avg Close — Range —
Q2 2015
Shares 7,926,630 Value ($000) $210,056 Avg Close — Range —
Q1 2015
Shares 6,021,485 Value ($000) $100,890 Avg Close — Range —
Q4 2014
Shares 6,157,789 Value ($000) $86,579 Avg Close — Range —
Q3 2014
Shares 6,157,789 Value ($000) $62,317 Avg Close — Range —
Q2 2014
Shares 5,681,237 Value ($000) $54,540 Avg Close — Range —
Q1 2014
Shares 2,531,766 Value ($000) $22,735 Avg Close — Range —
Q4 2013
Shares 2,026,537 Value ($000) $15,270 Avg Close — Range —