SEATTLE GENETICS INC

CUSIP: 812578102 Class: COM

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

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

Q3 2020
Shares 150,819 Value ($000) $29,514 Avg Close Range
Q2 2020
Shares 168,277 Value ($000) $28,594 Avg Close Range
Q1 2020
Shares 153,111 Value ($000) $17,666 Avg Close Range
Q4 2019
Shares 155,070 Value ($000) $17,718 Avg Close Range
Q3 2019
Shares 107,625 Value ($000) $9,191 Avg Close Range
Q2 2019
Shares 92,598 Value ($000) $6,409 Avg Close Range
Q1 2019
Shares 109,550 Value ($000) $8,023 Avg Close Range
Q4 2018
Shares 93,330 Value ($000) $5,288 Avg Close Range
Q3 2018
Shares 145,390 Value ($000) $11,212 Avg Close Range
Q2 2018
Shares 53,501 Value ($000) $3,552 Avg Close Range
Q1 2018
Shares 21,754 Value ($000) $1,139 Avg Close Range
Q4 2017
Shares 15,709 Value ($000) $840 Avg Close Range
Q3 2017
Shares 18,684 Value ($000) $1,017 Avg Close Range
Q2 2017
Shares 40,343 Value ($000) $2,087 Avg Close Range
Q1 2017
Shares 19,733 Value ($000) $1,240 Avg Close Range
Q4 2016
Shares 52,562 Value ($000) $2,774 Avg Close Range
Q3 2016
Shares 61,540 Value ($000) $3,324 Avg Close Range
Q2 2016
Shares 62,640 Value ($000) $2,531 Avg Close Range
Q1 2016
Shares 73,540 Value ($000) $2,581 Avg Close Range
Q4 2015
Shares 76,580 Value ($000) $3,437 Avg Close Range
Q3 2015
Shares 78,710 Value ($000) $3,035 Avg Close Range
Q2 2015
Shares 72,770 Value ($000) $3,522 Avg Close Range
Q1 2015
Shares 76,780 Value ($000) $2,714 Avg Close Range
Q4 2014
Shares 78,880 Value ($000) $2,534 Avg Close Range
Q3 2014
Shares 74,380 Value ($000) $2,765 Avg Close Range
Q2 2014
Shares 73,880 Value ($000) $2,826 Avg Close Range
Q1 2014
Shares 71,760 Value ($000) $3,269 Avg Close Range
Q4 2013
Shares 71,660 Value ($000) $2,859 Avg Close Range
Q3 2013
Shares 73,820 Value ($000) $3,236 Avg Close Range
Q2 2013
Shares 79,540 Value ($000) $2,502 Avg Close Range