SEATTLE GENETICS INC

CUSIP: 812578102 Class: COM

PLATINUM INVESTMENT MANAGEMENT LTD's Holding History (CIK: 0001256071)

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

Q4 2019
Shares 8,110 Value ($000) $927 Avg Close — Range —
Q3 2019
Shares 16,660 Value ($000) $1,423 Avg Close — Range —
Q2 2019
Shares 16,660 Value ($000) $1,153 Avg Close — Range —
Q1 2019
Shares 22,707 Value ($000) $1,663 Avg Close — Range —
Q4 2018
Shares 34,500 Value ($000) $1,955 Avg Close — Range —
Q3 2018
Shares 34,500 Value ($000) $2,661 Avg Close — Range —
Q2 2018
Shares 40,500 Value ($000) $2,689 Avg Close — Range —
Q1 2018
Shares 40,500 Value ($000) $2,119 Avg Close — Range —
Q4 2017
Shares 40,500 Value ($000) $2,166 Avg Close — Range —
Q3 2017
Shares 40,500 Value ($000) $2,203 Avg Close — Range —
Q2 2017
Shares 32,000 Value ($000) $1,655 Avg Close — Range —
Q1 2017
Shares 32,000 Value ($000) $2,011 Avg Close — Range —
Q4 2016
Shares 32,000 Value ($000) $1,688 Avg Close — Range —
Q3 2016
Shares 49,100 Value ($000) $2,651 Avg Close — Range —
Q2 2016
Shares 41,800 Value ($000) $1,689 Avg Close — Range —
Q1 2016
Shares 34,000 Value ($000) $1,193 Avg Close — Range —
Q4 2015
Shares 34,000 Value ($000) $1,525 Avg Close — Range —
Q3 2015
Shares 22,000 Value ($000) $848 Avg Close — Range —