BLUEBIRD BIO INC

CUSIP: 09609G100 Class: Common Stock

TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY's Holding History (CIK: 0000714142)

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

Q3 2019
Shares 29,507 Value ($000) $2,709 Avg Close — Range —
Q2 2019
Shares 24,380 Value ($000) $3,101 Avg Close — Range —
Q1 2019
Shares 22,192 Value ($000) $3,491 Avg Close — Range —
Q4 2018
Shares 23,159 Value ($000) $2,297 Avg Close — Range —
Q3 2018
Shares 19,009 Value ($000) $2,775 Avg Close — Range —
Q2 2018
Shares 17,119 Value ($000) $2,687 Avg Close — Range —
Q1 2018
Shares 9,731 Value ($000) $1,662 Avg Close — Range —
Q4 2017
Shares 14,304 Value ($000) $2,548 Avg Close — Range —
Q3 2017
Shares 29,081 Value ($000) $3,994 Avg Close — Range —
Q2 2017
Shares 32,587 Value ($000) $3,423 Avg Close — Range —
Q1 2017
Shares 30,110 Value ($000) $2,737 Avg Close — Range —
Q4 2016
Shares 30,286 Value ($000) $1,869 Avg Close — Range —
Q2 2015
Shares 12,100 Value ($000) $2,037 Avg Close — Range —
Q1 2015
Shares 43,100 Value ($000) $5,205 Avg Close — Range —
Q4 2014
Shares 48,600 Value ($000) $4,458 Avg Close — Range —
Q3 2014
Shares 48,600 Value ($000) $1,744 Avg Close — Range —
Q2 2014
Shares 54,800 Value ($000) $2,114 Avg Close — Range —
Q1 2014
Shares 54,800 Value ($000) $1,246 Avg Close — Range —
Q4 2013
Shares 54,800 Value ($000) $1,150 Avg Close — Range —
Q3 2013
Shares 54,800 Value ($000) $1,477 Avg Close — Range —