BLUEBIRD BIO INC

CUSIP: 09609G100 Class: Common Stock

BAKER BROS. ADVISORS LP's Holding History (CIK: 0001263508)

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

Q3 2023
Shares 2,499,715 Value ($000) $7,599 Avg Close — Range —
Q2 2023
Shares 2,499,715 Value ($000) $8,224 Avg Close — Range —
Q1 2023
Shares 2,499,715 Value ($000) $7,949 Avg Close — Range —
Q4 2022
Shares 2,499,715 Value ($000) $17,298 Avg Close — Range —
Q3 2022
Shares 2,499,715 Value ($000) $15,823 Avg Close — Range —
Q2 2022
Shares 2,499,715 Value ($000) $10,349 Avg Close — Range —
Q1 2022
Shares 2,499,715 Value ($000) $12,124 Avg Close — Range —
Q4 2021
Shares 2,499,715 Value ($000) $24,972 Avg Close — Range —
Q3 2021
Shares 2,499,715 Value ($000) $47,770 Avg Close — Range —
Q2 2021
Shares 226,988 Value ($000) $7,259 Avg Close — Range —
Q1 2021
Shares 226,988 Value ($000) $6,844 Avg Close — Range —
Q4 2020
Shares 226,988 Value ($000) $9,822 Avg Close — Range —
Q3 2020
Shares 252,000 Value ($000) $13,595 Avg Close — Range —
Q2 2020
Shares 265,000 Value ($000) $16,176 Avg Close — Range —
Q1 2020
Shares 40,000 Value ($000) $1,838 Avg Close — Range —
Q4 2019
Shares 40,000 Value ($000) $3,510 Avg Close — Range —
Q3 2019
Shares 40,000 Value ($000) $3,673 Avg Close — Range —
Q2 2019
Shares 40,000 Value ($000) $5,088 Avg Close — Range —
Q1 2019
Shares 40,000 Value ($000) $6,293 Avg Close — Range —
Q4 2018
Shares 40,000 Value ($000) $3,968 Avg Close — Range —
Q3 2018
Shares 59,441 Value ($000) $8,678 Avg Close — Range —
Q2 2018
Shares 200,000 Value ($000) $31,390 Avg Close — Range —
Q1 2018
Shares 200,000 Value ($000) $34,150 Avg Close — Range —
Q4 2017
Shares 200,000 Value ($000) $35,620 Avg Close — Range —
Q3 2017
Shares 241,441 Value ($000) $33,162 Avg Close — Range —
Q2 2017
Shares 301,441 Value ($000) $31,666 Avg Close — Range —
Q1 2017
Shares 351,441 Value ($000) $31,946 Avg Close — Range —
Q4 2016
Shares 351,441 Value ($000) $21,684 Avg Close — Range —
Q3 2016
Shares 293,943 Value ($000) $19,923 Avg Close — Range —
Q2 2016
Shares 293,943 Value ($000) $12,725 Avg Close — Range —
Q1 2016
Shares 352,943 Value ($000) $15,000 Avg Close — Range —
Q4 2015
Shares 141,105 Value ($000) $9,062 Avg Close — Range —
Q3 2015
Shares 141,105 Value ($000) $12,072 Avg Close — Range —
Q2 2015
Shares 151,105 Value ($000) $25,442 Avg Close — Range —
Q1 2015
Shares 146,581 Value ($000) $17,703 Avg Close — Range —
Q4 2014
Shares 150,000 Value ($000) $13,758 Avg Close — Range —
Q3 2014
Shares 150,000 Value ($000) $5,382 Avg Close — Range —
Q2 2014
Shares 198,260 Value ($000) $7,647 Avg Close — Range —
Q1 2014
Shares 198,260 Value ($000) $4,508 Avg Close — Range —
Q4 2013
Shares 114,461 Value ($000) $2,401 Avg Close — Range —
Q3 2013
Shares 111,521 Value ($000) $3,007 Avg Close — Range —