BLUEPRINT MEDICINES CORP

CUSIP: 09627Y109 Class: Common Stock

VIKING GLOBAL INVESTORS LP's Holding History (CIK: 0001103804)

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

Q1 2021
Shares 213,050 Value ($000) $20,715 Avg Close — Range —
Q4 2020
Shares 272,681 Value ($000) $30,581 Avg Close — Range —
Q3 2020
Shares 1,430,767 Value ($000) $132,632 Avg Close — Range —
Q2 2020
Shares 1,629,716 Value ($000) $127,118 Avg Close — Range —
Q1 2020
Shares 1,600,467 Value ($000) $93,595 Avg Close — Range —
Q4 2019
Shares 1,306,541 Value ($000) $104,667 Avg Close — Range —
Q3 2019
Shares 801,639 Value ($000) $58,896 Avg Close — Range —
Q2 2019
Shares 551,040 Value ($000) $51,980 Avg Close — Range —
Q1 2019
Shares 658,661 Value ($000) $52,726 Avg Close — Range —
Q4 2018
Shares 1,200,322 Value ($000) $64,709 Avg Close — Range —
Q3 2018
Shares 111,100 Value ($000) $8,672 Avg Close — Range —