BLUEBIRD BIO INC

CUSIP: 09609G100 Class: Common Stock

EVENTIDE ASSET MANAGEMENT, LLC's Holding History (CIK: 0001442891)

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

Q2 2019
Shares 36,000 Value ($000) $4,579 Avg Close — Range —
Q1 2019
Shares 294,638 Value ($000) $46,355 Avg Close — Range —
Q4 2018
Shares 277,603 Value ($000) $27,538 Avg Close — Range —
Q3 2018
Shares 277,603 Value ($000) $40,530 Avg Close — Range —
Q2 2018
Shares 277,603 Value ($000) $43,570 Avg Close — Range —
Q1 2018
Shares 277,603 Value ($000) $47,401 Avg Close — Range —
Q4 2017
Shares 277,603 Value ($000) $49,441 Avg Close — Range —
Q3 2017
Shares 412,000 Value ($000) $56,588 Avg Close — Range —
Q2 2017
Shares 569,700 Value ($000) $59,847 Avg Close — Range —
Q1 2017
Shares 569,700 Value ($000) $51,786 Avg Close — Range —
Q4 2016
Shares 587,677 Value ($000) $36,260 Avg Close — Range —
Q3 2016
Shares 539,500 Value ($000) $36,567 Avg Close — Range —
Q2 2016
Shares 539,500 Value ($000) $23,355 Avg Close — Range —
Q1 2016
Shares 539,500 Value ($000) $22,929 Avg Close — Range —
Q4 2015
Shares 539,500 Value ($000) $34,647 Avg Close — Range —
Q3 2015
Shares 419,600 Value ($000) $35,897 Avg Close — Range —
Q2 2015
Shares 402,800 Value ($000) $67,819 Avg Close — Range —
Q1 2015
Shares 402,800 Value ($000) $48,646 Avg Close — Range —
Q4 2014
Shares 390,000 Value ($000) $35,771 Avg Close — Range —
Q3 2014
Shares 395,700 Value ($000) $14,198 Avg Close — Range —
Q2 2014
Shares 76,900 Value ($000) $2,966 Avg Close — Range —
Q1 2014
Shares 65,000 Value ($000) $1,478 Avg Close — Range —
Q4 2013
Shares 25,700 Value ($000) $539 Avg Close — Range —