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

Institutional Holders (2015Q2)
Portfolio Summary: 261 Institutional holders with a total value of $6,036,676,076.
#
Manager Name
Shares
Value ($)
%
Options
Notes
151 Geduld E E 10,371 1,746,000 0.03%
152 TUDOR INVESTMENT CORP ET AL 9,806 1,651,000 0.03%
153 Trexquant Investment LP 9,600 1,615,000 0.03%
154 STEVENS CAPITAL MANAGEMENT LP 9,187 1,547,000 0.03%
155 SIMPLEX TRADING, LLC 8,992 1,513,000 0.03%
156 MANAGED ACCOUNT ADVISORS LLC 8,938 1,505,000 0.02%
157 MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC 8,846 1,489,000 0.02%
158 Walleye Trading LLC 8,800 1,483,000 0.02% Put
159 BlueCrest Capital Management Ltd 8,606 1,449,000 0.02%
160 SUFFOLK CAPITAL MANAGEMENT LLC 8,114 1,366,000 0.02%
161 FEDERATED HERMES, INC. 8,000 1,347,000 0.02%
162 CITADEL ADVISORS LLC 7,699 1,296,000 0.02%
163 Jump Trading, LLC 7,300 1,229,000 0.02% Put
164 Atika Capital Management LLC 7,200 1,213,000 0.02% Put
165 PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 6,850 1,153,000 0.02%
166 Schonfeld Group Holdings LLC 6,400 1,078,000 0.02%
167 Neuberger Berman Group LLC 6,200 1,044,000 0.02%
168 Sivik Global Healthcare LLC 6,000 1,010,000 0.02%
169 DAFNA Capital Management LLC 6,000 1,010,000 0.02% SH
170 Utah Retirement Systems 5,900 994,000 0.02%
171 IBM Retirement Fund 5,869 988,000 0.02%
172 BARCLAYS PLC 5,353 900,000 0.01%
173 DUPONT CAPITAL MANAGEMENT CORP 5,290 891,000 0.01%
174 Jump Trading, LLC 5,100 859,000 0.01% Call
175 JANUS HENDERSON GROUP PLC 5,000 842,000 0.01%
176 Virtu KCG Holdings LLC 4,661 785,000 0.01%
177 CAPITAL FUND MANAGEMENT S.A. 4,400 741,000 0.01% Put
178 US BANCORP \DE\ 4,312 726,000 0.01%
179 MARINER INVESTMENT GROUP LLC 4,000 673,000 0.01%
180 WEDBUSH SECURITIES INC 3,985 671,000 0.01%
181 NORTHWESTERN MUTUAL INVESTMENT MANAGEMENT COMPANY, LLC 3,860 650,000 0.01%
182 AMALGAMATED BANK 3,780 636,000 0.01%
183 Cetera Advisor Networks LLC 5,206 629,000 0.01%
184 Cupps Capital Management, LLC 3,680 619,000 0.01%
185 ADVANTAGE INVESTMENT MANAGEMENT, LLC 3,662 617,000 0.01%
186 Winfield Associates, Inc. 3,565 600,000 0.01%
187 Endurant Capital Management LP 3,500 589,000 0.01%
188 PRELUDE CAPITAL MANAGEMENT, LLC 3,402 573,000 0.01%
189 PRELUDE CAPITAL MANAGEMENT, LLC 3,400 572,000 0.01% Put
190 WELLINGTON MANAGEMENT GROUP LLP 3,380 569,000 0.01%
191 PANAGORA ASSET MANAGEMENT INC 3,201 539,000 0.01%
192 COWEN INC. 3,168 533,000 0.01%
193 Nine Chapters Capital Management LLC 3,100 522,000 0.01%
194 KBC Group NV 3,000 505,000 0.01%
195 JANE STREET GROUP, LLC 2,900 488,000 0.01% Put
196 Partner Investment Management, L.P. 2,862 482,000 0.01%
197 CenturyLink Investment Management Co 2,849 480,000 0.01%
198 MAPLE SECURITIES USA INC 2,752 463,000 0.01%
199 Aperio Group, LLC 2,736 461,000 0.01%
200 Private Advisor Group, LLC 2,724 459,000 0.01%
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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.