SEATTLE GENETICS INC

CUSIP: 812578102 Class: COM

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q2 2020
Shares 68,740 Value ($000) $11,680 Avg Close — Range —
Q4 2019
Shares 25,017 Value ($000) $2,858 Avg Close — Range —
Q4 2018
Shares 8,071 Value ($000) $457 Avg Close — Range —
Q3 2016
Shares 40,676 Value ($000) $2,197 Avg Close — Range —
Q3 2015
Shares 101,439 Value ($000) $3,911 Avg Close — Range —
Q2 2015
Shares 116,061 Value ($000) $5,617 Avg Close — Range —
Q2 2014
Shares 13,045 Value ($000) $499 Avg Close — Range —