Dark
Light
System
Security
BLUEBIRD BIO INCORPORATED
BLUEBIRD BIO INCORPORATED. Institutional holdings reported to the SEC.

Institutional Holders (2016Q4)
Portfolio Summary: 227 Institutional holders with a total value of $2,956,055,385.
#
Manager Name
Shares
Value ($)
%
Options
Notes
51 EMERALD MUTUAL FUND ADVISERS TRUST 120,572 7,439,000 0.25%
52 TEACHERS ADVISORS, LLC 117,204 7,231,000 0.24%
53 CREDIT SUISSE AG/ 104,096 6,423,000 0.22%
54 Artal Group S.A. 100,000 6,170,000 0.21% Call
55 Point72 Asset Management, L.P. 96,241 5,938,000 0.20%
56 QVT Financial LP 95,136 5,870,000 0.20%
57 Allianz Asset Management GmbH 92,737 5,722,000 0.19%
58 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 86,600 5,343,000 0.18%
59 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 83,887 5,176,000 0.18%
60 CASDIN CAPITAL, LLC 82,500 5,090,000 0.17%
61 ARK INVESTMENT MANAGEMENT LLC 75,645 4,667,000 0.16%
62 CITIGROUP INC 74,000 4,566,000 0.15% Put
63 First Light Asset Management, LLC 71,246 4,396,000 0.15%
64 Jefferies Group LLC 71,000 4,381,000 0.15% Call
65 Nationwide Fund Advisors 70,617 4,357,000 0.15%
66 DIMENSIONAL FUND ADVISORS LP 68,220 4,210,000 0.14%
67 VOLORIDGE INVESTMENT MANAGEMENT, LLC 67,521 4,166,000 0.14%
68 Swiss National Bank 66,807 4,122,000 0.14%
69 TD ASSET MANAGEMENT INC 59,521 3,672,000 0.12%
70 ALLIANCEBERNSTEIN L.P. 57,220 3,530,000 0.12%
71 HIGHLAND CAPITAL MANAGEMENT LP 53,500 3,301,000 0.11%
72 Nicholas Investment Partners, LP 53,187 3,284,000 0.11%
73 CITIGROUP INC 50,040 3,088,000 0.10%
74 Omega Advisors Inc. 50,000 3,085,000 0.10%
75 D. E. Shaw & Co., Inc. 50,000 3,085,000 0.10% Call
76 Tekla Capital Management LLC 49,345 3,045,000 0.10%
77 RHUMBLINE ADVISERS 49,058 3,027,000 0.10%
78 Creative Planning 47,911 2,956,000 0.10%
79 GUGGENHEIM CAPITAL LLC 47,272 2,917,000 0.10%
80 BLACKROCK ADVISORS LLC 46,394 2,863,000 0.10%
81 UBS Group AG 46,170 2,848,000 0.10%
82 FRED ALGER MANAGEMENT, LLC 45,743 2,822,000 0.10%
83 TOCQUEVILLE ASSET MANAGEMENT L.P. 42,790 2,640,000 0.09%
84 CITADEL ADVISORS LLC 41,700 2,573,000 0.09% Call
85 CQS Cayman LP 41,000 2,530,000 0.09%
86 ARMISTICE CAPITAL, LLC 40,000 2,468,000 0.08%
87 VAN ECK ASSOCIATES CORP 39,546 2,440,000 0.08%
88 TAYLOR WEALTH MANAGEMENT PARTNERS 39,118 2,414,000 0.08%
89 ALPS ADVISORS INC 35,849 2,212,000 0.07%
90 CITIGROUP INC 35,100 2,166,000 0.07% Call
91 UNITED SERVICES AUTOMOBILE ASSOCIATION 33,990 2,097,000 0.07%
92 WESTPAC BANKING CORP 30,851 2,016,113 0.07%
93 ProShare Advisors LLC 31,763 1,960,000 0.07%
94 GAM Holding AG 30,900 1,907,000 0.06%
95 TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY 30,286 1,869,000 0.06%
96 Ghost Tree Capital, LLC 30,000 1,851,000 0.06%
97 FEDERATED HERMES, INC. 30,000 1,851,000 0.06%
98 BlackRock Group LTD 29,115 1,796,000 0.06%
99 BELLEVUE GROUP AG 29,000 1,789,000 0.06%
100 METROPOLITAN LIFE INSURANCE CO/NY 28,505 1,759,000 0.06%
Page 2 of 5

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.