SEATTLE GENETICS INC

CUSIP: 812578102 Class: COM

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

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

Q2 2020
Shares 47,269,424 Value ($000) $8,032,021 Avg Close — Range —
Q1 2020
Shares 50,060,240 Value ($000) $5,775,950 Avg Close — Range —
Q4 2019
Shares 50,057,277 Value ($000) $5,719,544 Avg Close — Range —
Q3 2019
Shares 50,057,277 Value ($000) $4,274,891 Avg Close — Range —
Q2 2019
Shares 50,057,277 Value ($000) $3,464,464 Avg Close — Range —
Q1 2019
Shares 51,049,760 Value ($000) $3,738,884 Avg Close — Range —
Q4 2018
Shares 51,046,060 Value ($000) $2,892,270 Avg Close — Range —
Q3 2018
Shares 51,046,060 Value ($000) $3,936,672 Avg Close — Range —
Q2 2018
Shares 51,046,060 Value ($000) $3,388,948 Avg Close — Range —
Q1 2018
Shares 49,575,409 Value ($000) $2,594,777 Avg Close — Range —
Q4 2017
Shares 45,725,556 Value ($000) $2,446,317 Avg Close — Range —
Q3 2017
Shares 45,725,556 Value ($000) $2,487,928 Avg Close — Range —
Q2 2017
Shares 45,725,556 Value ($000) $2,365,840 Avg Close — Range —
Q1 2017
Shares 45,715,556 Value ($000) $2,873,680 Avg Close — Range —
Q4 2016
Shares 45,711,856 Value ($000) $2,412,215 Avg Close — Range —
Q3 2016
Shares 44,100,294 Value ($000) $2,381,857 Avg Close — Range —
Q2 2016
Shares 43,238,967 Value ($000) $1,747,287 Avg Close — Range —
Q1 2016
Shares 43,235,267 Value ($000) $1,517,126 Avg Close — Range —
Q4 2015
Shares 37,293,728 Value ($000) $1,673,743 Avg Close — Range —
Q3 2015
Shares 36,029,746 Value ($000) $1,389,307 Avg Close — Range —
Q2 2015
Shares 30,870,262 Value ($000) $1,494,121 Avg Close — Range —
Q1 2015
Shares 28,876,712 Value ($000) $1,020,792 Avg Close — Range —
Q4 2014
Shares 27,861,720 Value ($000) $895,197 Avg Close — Range —
Q3 2014
Shares 22,475,729 Value ($000) $835,648 Avg Close — Range —
Q2 2014
Shares 22,472,229 Value ($000) $859,562 Avg Close — Range —
Q1 2014
Shares 20,739,426 Value ($000) $944,887 Avg Close — Range —
Q4 2013
Shares 20,735,926 Value ($000) $827,156 Avg Close — Range —
Q3 2013
Shares 19,322,947 Value ($000) $846,925 Avg Close — Range —
Q2 2013
Shares 19,322,947 Value ($000) $607,900 Avg Close — Range —