BLUEPRINT MEDICINES CORP

CUSIP: 09627Y109 Class: Common Stock

LONE PINE CAPITAL LLC's Holding History (CIK: 0001061165)

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

Q1 2021
Shares 2,709,138 Value ($000) $263,409 Avg Close — Range —
Q4 2020
Shares 2,709,138 Value ($000) $303,830 Avg Close — Range —