BLUEBIRD BIO INC

CUSIP: 09609G100 Class: Common Stock

1832 Asset Management L.P.'s Holding History (CIK: 0000944388)

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

Q4 2017
Shares 293,700 Value ($000) $50,957 Avg Close — Range —
Q3 2017
Shares 207,300 Value ($000) $27,046 Avg Close — Range —
Q2 2017
Shares 142,600 Value ($000) $14,672 Avg Close — Range —
Q1 2017
Shares 146,600 Value ($000) $13,042 Avg Close — Range —