SEATTLE GENETICS INC

CUSIP: 812578102 Class: COM

FMR LLC's Holding History (CIK: 0000315066)

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

Q3 2020
Shares 2,250,291 Value ($000) $440,359 Avg Close — Range —
Q2 2020
Shares 3,232,394 Value ($000) $549,248 Avg Close — Range —
Q1 2020
Shares 3,361,265 Value ($000) $387,823 Avg Close — Range —
Q4 2019
Shares 1,511,717 Value ($000) $172,729 Avg Close — Range —
Q3 2019
Shares 699,614 Value ($000) $59,746 Avg Close — Range —
Q2 2019
Shares 590,552 Value ($000) $40,872 Avg Close — Range —
Q1 2019
Shares 965,561 Value ($000) $70,718 Avg Close — Range —
Q4 2018
Shares 982,341 Value ($000) $55,660 Avg Close — Range —
Q3 2018
Shares 1,115,956 Value ($000) $86,062 Avg Close — Range —
Q2 2018
Shares 1,586,702 Value ($000) $105,341 Avg Close — Range —
Q1 2018
Shares 4,197,542 Value ($000) $219,699 Avg Close — Range —
Q4 2017
Shares 6,425,599 Value ($000) $343,769 Avg Close — Range —
Q3 2017
Shares 7,136,682 Value ($000) $388,307 Avg Close — Range —
Q2 2017
Shares 7,859,541 Value ($000) $406,653 Avg Close — Range —
Q1 2017
Shares 10,173,597 Value ($000) $639,512 Avg Close — Range —
Q4 2016
Shares 11,777,732 Value ($000) $621,511 Avg Close — Range —
Q3 2016
Shares 13,131,642 Value ($000) $709,240 Avg Close — Range —
Q2 2016
Shares 14,588,049 Value ($000) $589,503 Avg Close — Range —
Q1 2016
Shares 16,867,149 Value ($000) $591,868 Avg Close — Range —
Q4 2015
Shares 17,130,496 Value ($000) $768,817 Avg Close — Range —
Q3 2015
Shares 17,163,025 Value ($000) $661,806 Avg Close — Range —
Q2 2015
Shares 18,724,654 Value ($000) $906,274 Avg Close — Range —
Q1 2015
Shares 18,647,727 Value ($000) $659,197 Avg Close — Range —
Q4 2014
Shares 18,583,562 Value ($000) $597,090 Avg Close — Range —
Q3 2014
Shares 18,517,005 Value ($000) $688,462 Avg Close — Range —
Q2 2014
Shares 18,471,787 Value ($000) $706,546 Avg Close — Range —
Q1 2014
Shares 18,438,783 Value ($000) $840,072 Avg Close — Range —
Q4 2013
Shares 18,362,784 Value ($000) $732,492 Avg Close — Range —
Q3 2013
Shares 18,213,041 Value ($000) $798,278 Avg Close — Range —
Q2 2013
Shares 18,189,841 Value ($000) $572,252 Avg Close — Range —