BLUEBIRD BIO INC

CUSIP: 09609G100 Class: Common Stock

FAIRFIELD, BUSH & CO.'s Holding History (CIK: 0001116247)

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

Q3 2018
Shares 2,000 Value ($000) $292 Avg Close — Range —
Q2 2018
Shares 2,000 Value ($000) $314 Avg Close — Range —
Q1 2018
Shares 2,000 Value ($000) $342 Avg Close — Range —
Q4 2017
Shares 2,000 Value ($000) $356 Avg Close — Range —
Q3 2017
Shares 2,000 Value ($000) $275 Avg Close — Range —
Q2 2017
Shares 2,000 Value ($000) $210 Avg Close — Range —
Q4 2015
Shares 4,000 Value ($000) $257 Avg Close — Range —
Q2 2015
Shares 2,000 Value ($000) $337 Avg Close — Range —
Q1 2015
Shares 2,000 Value ($000) $242 Avg Close — Range —