BLUEBIRD BIO INC

CUSIP: 09609G100 Class: Common Stock

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q1 2024
Shares 660,375 Value ($000) $845 Avg Close — Range —
Q4 2023
Shares 613,641 Value ($000) $847 Avg Close — Range —
Q3 2023
Shares 582,168 Value ($000) $1,770 Avg Close — Range —
Q2 2023
Shares 555,595 Value ($000) $1,828 Avg Close — Range —
Q1 2023
Shares 230,361 Value ($000) $733 Avg Close — Range —
Q4 2022
Shares 236,864 Value ($000) $1,639 Avg Close — Range —
Q3 2022
Shares 244,061 Value ($000) $1,545 Avg Close — Range —
Q2 2022
Shares 6,140,000 Value ($000) $25,420 Avg Close — Range —
Q1 2022
Shares 6,140,000 Value ($000) $29,779 Avg Close — Range —
Q4 2021
Shares 6,140,000 Value ($000) $61,339 Avg Close — Range —
Q3 2021
Shares 6,918,987 Value ($000) $132,222 Avg Close — Range —
Q2 2021
Shares 6,922,234 Value ($000) $221,373 Avg Close — Range —
Q1 2021
Shares 6,917,143 Value ($000) $208,552 Avg Close — Range —
Q4 2020
Shares 5,349,165 Value ($000) $231,459 Avg Close — Range —
Q3 2020
Shares 7,212,227 Value ($000) $389,100 Avg Close — Range —
Q2 2020
Shares 7,239,982 Value ($000) $441,929 Avg Close — Range —
Q1 2020
Shares 6,820,314 Value ($000) $313,461 Avg Close — Range —
Q4 2019
Shares 7,478,113 Value ($000) $656,205 Avg Close — Range —
Q3 2019
Shares 7,481,680 Value ($000) $686,969 Avg Close — Range —
Q2 2019
Shares 7,251,800 Value ($000) $922,428 Avg Close — Range —
Q1 2019
Shares 7,311,700 Value ($000) $1,150,349 Avg Close — Range —
Q4 2018
Shares 7,391,828 Value ($000) $733,270 Avg Close — Range —
Q3 2018
Shares 4,367,629 Value ($000) $637,675 Avg Close — Range —
Q2 2018
Shares 2,949,440 Value ($000) $462,914 Avg Close — Range —
Q1 2018
Shares 2,477,635 Value ($000) $423,057 Avg Close — Range —
Q4 2017
Shares 2,787,618 Value ($000) $496,475 Avg Close — Range —
Q3 2017
Shares 4,091,117 Value ($000) $561,915 Avg Close — Range —
Q2 2017
Shares 3,734,843 Value ($000) $392,345 Avg Close — Range —
Q1 2017
Shares 3,134,411 Value ($000) $284,917 Avg Close — Range —
Q4 2016
Shares 3,049,519 Value ($000) $188,156 Avg Close — Range —
Q3 2016
Shares 1,963,639 Value ($000) $133,096 Avg Close — Range —
Q2 2016
Shares 2,075,954 Value ($000) $89,869 Avg Close — Range —
Q1 2016
Shares 1,202,247 Value ($000) $51,095 Avg Close — Range —
Q2 2015
Shares 3,380 Value ($000) $569 Avg Close — Range —
Q1 2015
Shares 44,589 Value ($000) $5,385 Avg Close — Range —
Q4 2014
Shares 97,611 Value ($000) $8,953 Avg Close — Range —