SEATTLE GENETICS INC

CUSIP: 812578102 Class: COM

GATEWAY INVESTMENT ADVISERS LLC's Holding History (CIK: 0001114618)

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

Q3 2020
Shares 36,483 Value ($000) $7,139 Avg Close — Range —
Q2 2020
Shares 41,869 Value ($000) $7,114 Avg Close — Range —
Q1 2020
Shares 34,518 Value ($000) $3,983 Avg Close — Range —
Q4 2019
Shares 40,828 Value ($000) $4,665 Avg Close — Range —
Q3 2019
Shares 69,126 Value ($000) $5,903 Avg Close — Range —
Q2 2019
Shares 68,897 Value ($000) $4,768 Avg Close — Range —
Q1 2019
Shares 62,280 Value ($000) $4,561 Avg Close — Range —
Q4 2018
Shares 62,109 Value ($000) $3,519 Avg Close — Range —
Q3 2018
Shares 57,032 Value ($000) $4,398 Avg Close — Range —
Q2 2018
Shares 57,274 Value ($000) $3,802 Avg Close — Range —
Q1 2018
Shares 70,110 Value ($000) $3,670 Avg Close — Range —
Q4 2017
Shares 67,161 Value ($000) $3,593 Avg Close — Range —
Q3 2017
Shares 47,732 Value ($000) $2,597 Avg Close — Range —