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

Institutional Holders (2016Q4)
Portfolio Summary: 3 Institutional holders with a total value of $6,980,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SABBY MANAGEMENT, LLC 597 3,665,000 52.51% Call
2 GROUP ONE TRADING LLC 51,700 3,190,000 45.70% Call
3 SIMPLEX TRADING, LLC 221 125,000 1.79% 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.