BLUEBIRD BIO INC

CUSIP: 09609G100 Class: Common Stock

ORBIMED ADVISORS LLC's Holding History (CIK: 0001055951)

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

Q4 2018
Shares 387,200 Value ($000) $38,410 Avg Close — Range —
Q3 2018
Shares 459,200 Value ($000) $67,043 Avg Close — Range —
Q2 2018
Shares 488,200 Value ($000) $76,623 Avg Close — Range —
Q1 2018
Shares 345,600 Value ($000) $59,011 Avg Close — Range —
Q4 2017
Shares 384,046 Value ($000) $68,399 Avg Close — Range —
Q3 2017
Shares 481,946 Value ($000) $66,195 Avg Close — Range —
Q2 2017
Shares 399,800 Value ($000) $41,999 Avg Close — Range —
Q1 2017
Shares 283,800 Value ($000) $25,797 Avg Close — Range —
Q4 2016
Shares 283,800 Value ($000) $17,510 Avg Close — Range —
Q3 2016
Shares 1,185,800 Value ($000) $80,374 Avg Close — Range —
Q2 2016
Shares 1,185,800 Value ($000) $51,333 Avg Close — Range —
Q1 2016
Shares 945,500 Value ($000) $40,184 Avg Close — Range —
Q4 2015
Shares 941,700 Value ($000) $60,476 Avg Close — Range —
Q3 2015
Shares 1,188,900 Value ($000) $101,710 Avg Close — Range —
Q2 2015
Shares 958,300 Value ($000) $161,349 Avg Close — Range —
Q1 2015
Shares 550,700 Value ($000) $66,508 Avg Close — Range —
Q1 2014
Shares 289,000 Value ($000) $6,572 Avg Close — Range —
Q3 2013
Shares 222,500 Value ($000) $5,999 Avg Close — Range —