BLUEBIRD BIO INC

CUSIP: 09609G100 Class: Common Stock

Capital Research Global Investors's Holding History (CIK: 0001422848)

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

Q4 2020
Shares 8,128,284 Value ($000) $351,711 Avg Close — Range —
Q3 2020
Shares 8,099,325 Value ($000) $436,959 Avg Close — Range —
Q2 2020
Shares 8,094,771 Value ($000) $494,105 Avg Close — Range —
Q1 2020
Shares 6,812,412 Value ($000) $313,098 Avg Close — Range —
Q4 2019
Shares 6,779,133 Value ($000) $594,869 Avg Close — Range —
Q3 2019
Shares 6,773,083 Value ($000) $621,904 Avg Close — Range —
Q2 2019
Shares 6,676,427 Value ($000) $849,242 Avg Close — Range —
Q1 2019
Shares 6,674,436 Value ($000) $1,050,089 Avg Close — Range —
Q4 2018
Shares 6,699,431 Value ($000) $664,584 Avg Close — Range —
Q3 2018
Shares 6,634,317 Value ($000) $968,610 Avg Close — Range —
Q2 2018
Shares 6,139,530 Value ($000) $963,599 Avg Close — Range —
Q1 2018
Shares 6,122,980 Value ($000) $1,045,499 Avg Close — Range —
Q4 2017
Shares 6,010,817 Value ($000) $1,070,527 Avg Close — Range —
Q3 2017
Shares 5,584,617 Value ($000) $767,047 Avg Close — Range —
Q2 2017
Shares 5,483,117 Value ($000) $576,001 Avg Close — Range —
Q1 2017
Shares 4,990,045 Value ($000) $453,595 Avg Close — Range —
Q4 2016
Shares 4,713,042 Value ($000) $290,795 Avg Close — Range —
Q3 2016
Shares 3,992,809 Value ($000) $270,633 Avg Close — Range —
Q2 2016
Shares 4,523,635 Value ($000) $195,828 Avg Close — Range —
Q1 2016
Shares 4,519,722 Value ($000) $192,088 Avg Close — Range —
Q4 2015
Shares 4,452,741 Value ($000) $285,955 Avg Close — Range —
Q3 2015
Shares 4,442,293 Value ($000) $380,038 Avg Close — Range —
Q2 2015
Shares 4,381,900 Value ($000) $737,781 Avg Close — Range —
Q1 2015
Shares 3,989,375 Value ($000) $481,797 Avg Close — Range —
Q4 2014
Shares 3,876,111 Value ($000) $355,517 Avg Close — Range —
Q3 2014
Shares 3,502,915 Value ($000) $125,685 Avg Close — Range —
Q2 2014
Shares 3,002,715 Value ($000) $115,815 Avg Close — Range —
Q1 2014
Shares 2,960,748 Value ($000) $67,327 Avg Close — Range —
Q4 2013
Shares 2,612,792 Value ($000) $54,816 Avg Close — Range —
Q3 2013
Shares 1,032,000 Value ($000) $27,823 Avg Close — Range —