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

Institutional Holders (2017Q2)
Portfolio Summary: 267 Institutional holders with a total value of $5,282,197,255.
#
Manager Name
Shares
Value ($)
%
Options
Notes
101 QVT Financial LP 28,739 3,019,000 0.06%
102 UBS Group AG 28,492 2,993,000 0.06%
103 METROPOLITAN LIFE INSURANCE CO/NY 28,090 2,951,000 0.06%
104 ARMISTICE CAPITAL, LLC 28,000 2,941,000 0.06%
105 JANE STREET GROUP, LLC 27,200 2,857,000 0.05% Call
106 ProShare Advisors LLC 25,495 2,678,000 0.05%
107 AMERICAN INTERNATIONAL GROUP, INC. 25,438 2,672,000 0.05%
108 JANE STREET GROUP, LLC 25,400 2,668,000 0.05% Put
109 AQR CAPITAL MANAGEMENT LLC 25,016 2,628,000 0.05%
110 Atika Capital Management LLC 25,000 2,627,000 0.05%
111 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 22,980 2,414,000 0.05%
112 FIRST TRUST ADVISORS LP 22,491 2,363,000 0.04%
113 PARAMETRIC PORTFOLIO ASSOCIATES LLC 22,238 2,336,000 0.04%
114 BELLEVUE GROUP AG 22,100 2,322,000 0.04%
115 Allianz Asset Management GmbH 21,349 2,302,000 0.04%
116 BOKF, NA 21,225 2,230,000 0.04%
117 ADVISORY RESEARCH INC 21,096 2,216,000 0.04%
118 CAPITAL FUND MANAGEMENT S.A. 20,066 2,108,000 0.04%
119 D. E. Shaw & Co., Inc. 20,000 2,101,000 0.04% Call
120 PERCEPTIVE ADVISORS LLC 20,000 2,101,000 0.04%
121 ELKFORK PARTNERS LLC 18,258 1,918,000 0.04%
122 CORNERSTONE CAPITAL MANAGEMENT HOLDINGS LLC. 17,955 1,885,000 0.04%
123 FEDERATED HERMES, INC. 17,854 1,875,000 0.04%
124 Daiwa Securities Group Inc. 16,895 1,775,000 0.03%
125 DRIEHAUS CAPITAL MANAGEMENT LLC 16,785 1,763,000 0.03%
126 PROFUND ADVISORS LLC 16,681 1,752,000 0.03%
127 STEVENS CAPITAL MANAGEMENT LP 16,505 1,734,000 0.03%
128 Century Capital Management, LLC 16,145 1,696,000 0.03%
129 SPOT TRADING LLC /BD 16,100 1,691,000 0.03% Put
130 KBC Group NV 15,958 1,676,000 0.03%
131 Legal & General Group Plc 15,164 1,601,000 0.03%
132 MARTINGALE ASSET MANAGEMENT L P 15,207 1,598,000 0.03%
133 GLEN HARBOR CAPITAL MANAGEMENT LLC 15,036 1,580,000 0.03%
134 Sivik Global Healthcare LLC 15,000 1,576,000 0.03%
135 WESTPAC BANKING CORP 14,453 1,518,288 0.03%
136 Tekla Capital Management LLC 13,273 1,394,000 0.03%
137 BARCLAYS PLC 12,944 1,360,000 0.03%
138 Advisors Asset Management, Inc. 12,906 1,356,000 0.03%
139 Gotham Asset Management, LLC 12,687 1,333,000 0.03%
140 TWO SIGMA SECURITIES, LLC 12,568 1,320,000 0.02%
141 WELLINGTON MANAGEMENT GROUP LLP 350 1,293,000 0.02% Call
142 MEADOW CREEK INVESTMENT MANAGEMENT LLC 11,814 1,241,000 0.02%
143 JANE STREET GROUP, LLC 11,721 1,231,000 0.02%
144 MACQUARIE GROUP LTD 11,375 1,195,000 0.02%
145 SIMPLEX TRADING, LLC 10,996 1,155,000 0.02%
146 HANSEATIC MANAGEMENT SERVICES INC 10,436 1,096,000 0.02%
147 HSBC HOLDINGS PLC 10,274 1,081,000 0.02%
148 Vident Investment Advisory, LLC 10,182 1,070,000 0.02%
149 OMERS ADMINISTRATION Corp 10,100 1,061,000 0.02%
150 Jabre Capital Partners S.A. 10,000 1,051,000 0.02%
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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.