BLUEPRINT MEDICINES CORP

CUSIP: 09627Y109 Class: Common Stock

MACKAY SHIELDS LLC's Holding History (CIK: 0000061227)

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

Q1 2021
Shares 18,453 Value ($000) $1,794 Avg Close — Range —
Q4 2020
Shares 29,122 Value ($000) $3,266 Avg Close — Range —
Q3 2020
Shares 33,422 Value ($000) $3,098 Avg Close — Range —
Q2 2020
Shares 35,022 Value ($000) $2,732 Avg Close — Range —
Q1 2020
Shares 38,422 Value ($000) $2,247 Avg Close — Range —
Q4 2019
Shares 31,822 Value ($000) $2,549 Avg Close — Range —
Q3 2019
Shares 36,622 Value ($000) $2,691 Avg Close — Range —
Q2 2019
Shares 34,422 Value ($000) $3,247 Avg Close — Range —
Q1 2019
Shares 12,553 Value ($000) $1,004 Avg Close — Range —
Q4 2018
Shares 12,853 Value ($000) $693 Avg Close — Range —
Q3 2018
Shares 14,200 Value ($000) $1,108 Avg Close — Range —
Q2 2018
Shares 14,300 Value ($000) $908 Avg Close — Range —
Q1 2018
Shares 14,300 Value ($000) $1,311 Avg Close — Range —