SEATTLE GENETICS INC

CUSIP: 812578102 Class: COM

FRONTIER CAPITAL MANAGEMENT CO LLC's Holding History (CIK: 0000351173)

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

Q3 2020
Shares 466,983 Value ($000) $91,384 Avg Close — Range —
Q2 2020
Shares 598,751 Value ($000) $101,740 Avg Close — Range —
Q1 2020
Shares 833,050 Value ($000) $96,117 Avg Close — Range —
Q4 2019
Shares 1,054,953 Value ($000) $120,539 Avg Close — Range —
Q3 2019
Shares 1,092,445 Value ($000) $93,295 Avg Close — Range —
Q2 2019
Shares 643,204 Value ($000) $44,516 Avg Close — Range —
Q1 2019
Shares 1,258,153 Value ($000) $92,147 Avg Close — Range —
Q4 2018
Shares 1,166,968 Value ($000) $66,120 Avg Close — Range —
Q3 2018
Shares 111,795 Value ($000) $8,622 Avg Close — Range —
Q2 2018
Shares 59,263 Value ($000) $3,934 Avg Close — Range —
Q3 2014
Shares 5,789 Value ($000) $215 Avg Close — Range —
Q2 2014
Shares 5,938 Value ($000) $227 Avg Close — Range —
Q1 2014
Shares 6,046 Value ($000) $275 Avg Close — Range —
Q4 2013
Shares 7,646 Value ($000) $305 Avg Close — Range —
Q3 2013
Shares 112,290 Value ($000) $4,922 Avg Close — Range —
Q2 2013
Shares 900,768 Value ($000) $28,338 Avg Close — Range —