BLUEBIRD BIO INC

CUSIP: 09609G100 Class: Common Stock

Magnetar Financial LLC's Holding History (CIK: 0001352851)

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

Q4 2020
Shares 8,007 Value ($000) $346 Avg Close — Range —
Q1 2020
Shares 20,780 Value ($000) $955 Avg Close — Range —
Q4 2019
Shares 4,829 Value ($000) $424 Avg Close — Range —
Q1 2018
Shares 3,306 Value ($000) $564 Avg Close — Range —