BLUEBIRD BIO INC

CUSIP: 09609G100 Class: Common Stock

SECTOR GAMMA AS's Holding History (CIK: 0001475373)

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

Q1 2020
Shares 48,490 Value ($000) $2,229 Avg Close — Range —
Q4 2019
Shares 62,400 Value ($000) $5,476 Avg Close — Range —
Q2 2018
Shares 17,000 Value ($000) $2,668 Avg Close — Range —