SEATTLE GENETICS INC

CUSIP: 812578102 Class: COM

EVENTIDE ASSET MANAGEMENT, LLC's Holding History (CIK: 0001442891)

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

Q3 2020
Shares 102,500 Value ($000) $20,058 Avg Close — Range —
Q2 2020
Shares 102,500 Value ($000) $17,417 Avg Close — Range —
Q1 2020
Shares 102,500 Value ($000) $11,826 Avg Close — Range —
Q3 2018
Shares 152,000 Value ($000) $11,722 Avg Close — Range —
Q2 2018
Shares 557,000 Value ($000) $36,979 Avg Close — Range —
Q1 2018
Shares 557,000 Value ($000) $29,153 Avg Close — Range —
Q4 2017
Shares 525,000 Value ($000) $28,088 Avg Close — Range —
Q3 2017
Shares 525,000 Value ($000) $28,565 Avg Close — Range —
Q2 2017
Shares 525,000 Value ($000) $27,164 Avg Close — Range —
Q1 2017
Shares 525,000 Value ($000) $33,002 Avg Close — Range —
Q4 2016
Shares 560,000 Value ($000) $29,551 Avg Close — Range —
Q3 2016
Shares 835,506 Value ($000) $45,126 Avg Close — Range —
Q2 2016
Shares 835,506 Value ($000) $33,763 Avg Close — Range —
Q1 2016
Shares 835,506 Value ($000) $29,318 Avg Close — Range —
Q4 2015
Shares 545,300 Value ($000) $24,473 Avg Close — Range —
Q3 2015
Shares 176,200 Value ($000) $6,794 Avg Close — Range —
Q2 2015
Shares 128,100 Value ($000) $6,200 Avg Close — Range —