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BLUEBIRD BIO INC
BLUEBIRD BIO INC. Institutional holdings reported to the SEC.

Institutional Holders (2016Q1)
Portfolio Summary: 3 Institutional holders with a total value of $1,769,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 24,400 1,037,000 58.62% Call
2 GROUP ONE TRADING LLC 16,800 714,000 40.36% Call
3 SIMPLEX TRADING, LLC 103 18,000 1.02% Call

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.