BLUEBIRD BIO INC

CUSIP: 09609G100 Class: Common Stock

GREAT LAKES ADVISORS, LLC's Holding History (CIK: 0001078013)

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

Q4 2020
Shares 135,080 Value ($000) $5,845 Avg Close — Range —
Q3 2020
Shares 292,564 Value ($000) $15,784 Avg Close — Range —
Q2 2020
Shares 72,731 Value ($000) $4,440 Avg Close — Range —