SEATTLE GENETICS INC

CUSIP: 812578102 Class: COM

Artisan Partners Limited Partnership's Holding History (CIK: 0001466153)

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

Q2 2017
Shares 290,983 Value ($000) $15,055 Avg Close — Range —
Q1 2017
Shares 1,273,698 Value ($000) $80,065 Avg Close — Range —
Q4 2016
Shares 2,182,971 Value ($000) $115,195 Avg Close — Range —
Q3 2016
Shares 4,104,329 Value ($000) $221,675 Avg Close — Range —
Q2 2016
Shares 4,206,104 Value ($000) $169,969 Avg Close — Range —
Q1 2016
Shares 4,372,346 Value ($000) $153,426 Avg Close — Range —
Q4 2015
Shares 4,382,053 Value ($000) $196,667 Avg Close — Range —
Q3 2015
Shares 3,467,125 Value ($000) $133,692 Avg Close — Range —
Q2 2015
Shares 2,002,164 Value ($000) $96,905 Avg Close — Range —