SEATTLE GENETICS INC

CUSIP: 812578102 Class: COM

MASSACHUSETTS FINANCIAL SERVICES CO /MA/'s Holding History (CIK: 0000912938)

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

Q3 2020
Shares 2,042,084 Value ($000) $399,615 Avg Close — Range —
Q2 2020
Shares 1,487,572 Value ($000) $252,769 Avg Close — Range —