BLUEBIRD BIO INC

CUSIP: 09609G100 Class: Common Stock

Redmile Group, LLC's Holding History (CIK: 0001425738)

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

Q3 2018
Shares 252,100 Value ($000) $36,807 Avg Close — Range —
Q2 2018
Shares 268,500 Value ($000) $42,141 Avg Close — Range —
Q1 2018
Shares 267,100 Value ($000) $45,607 Avg Close — Range —
Q4 2017
Shares 259,800 Value ($000) $46,270 Avg Close — Range —
Q4 2014
Shares 102,227 Value ($000) $9,376 Avg Close — Range —