SEAGEN INC

CUSIP: 81181C104 Class: Common Stock

PRIMECAP MANAGEMENT CO/CA/'s Holding History (CIK: 0000763212)

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

Q3 2023
Shares 6,261,798 Value ($000) $1,328,440 Avg Close — Range —
Q2 2023
Shares 6,038,808 Value ($000) $1,162,229 Avg Close — Range —
Q1 2023
Shares 4,894,808 Value ($000) $991,052 Avg Close — Range —
Q4 2022
Shares 4,765,578 Value ($000) $612,424 Avg Close — Range —
Q3 2022
Shares 4,583,100 Value ($000) $627,106 Avg Close — Range —
Q2 2022
Shares 4,588,610 Value ($000) $811,909 Avg Close — Range —
Q1 2022
Shares 4,622,910 Value ($000) $665,930 Avg Close — Range —
Q4 2021
Shares 4,647,090 Value ($000) $718,440 Avg Close — Range —
Q3 2021
Shares 4,835,900 Value ($000) $821,136 Avg Close — Range —
Q2 2021
Shares 4,901,420 Value ($000) $773,836 Avg Close — Range —
Q1 2021
Shares 5,008,195 Value ($000) $695,438 Avg Close — Range —
Q4 2020
Shares 5,372,912 Value ($000) $941,012 Avg Close — Range —