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

Institutional Holders (2015Q1)
Portfolio Summary: 227 Institutional holders with a total value of $3,921,083,991.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 FMR LLC 4,719,778 570,007,000 14.54%
2 Capital Research Global Investors 3,989,375 481,797,000 12.29%
3 PRICE T ROWE ASSOCIATES INC /MD/ 1,921,268 232,032,000 5.92%
4 VANGUARD GROUP INC 1,386,924 167,499,000 4.27%
5 Capital World Investors 1,358,000 164,006,000 4.18%
6 BAILLIE GIFFORD & CO 1,283,962 155,064,000 3.95%
7 BlackRock Fund Advisors 1,096,674 132,445,000 3.38%
8 LORD, ABBETT & CO. LLC 753,170 90,960,000 2.32%
9 MILLENNIUM MANAGEMENT LLC 752,489 90,878,000 2.32%
10 OppenheimerFunds, Inc. 705,340 85,184,000 2.17%
11 BlackRock Institutional Trust Company, N.A. 689,435 83,263,000 2.12%
12 DEERFIELD MANAGEMENT COMPANY, L.P. 631,309 76,243,000 1.94%
13 STATE STREET CORP 594,657 71,819,000 1.83%
14 JENNISON ASSOCIATES LLC 589,323 71,173,000 1.82%
15 ORBIMED ADVISORS LLC 550,700 66,508,000 1.70%
16 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 547,795 66,157,000 1.69%
17 FRANKLIN RESOURCES INC 454,132 54,846,000 1.40%
18 EVENTIDE ASSET MANAGEMENT, LLC 402,800 48,646,000 1.24%
19 WELLS FARGO & COMPANY/MN 366,910 44,312,000 1.13%
20 Artal Group S.A. 350,000 42,270,000 1.08%
21 Tourbillon Capital Partners, L.P. 320,000 38,646,000 0.99%
22 NORTHERN TRUST CORP 287,513 34,723,000 0.89%
23 SUSQUEHANNA INTERNATIONAL GROUP, LLP 275,100 33,224,000 0.85% Put
24 COLUMBUS CIRCLE INVESTORS 262,753 31,733,000 0.81%
25 GOLDMAN SACHS GROUP INC 254,050 30,682,000 0.78%
26 SUSQUEHANNA INTERNATIONAL GROUP, LLP 251,600 30,386,000 0.77% Call
27 RS INVESTMENT MANAGEMENT CO LLC 250,164 30,212,000 0.77%
28 FRONTIER CAPITAL MANAGEMENT CO LLC 250,065 30,200,000 0.77%
29 Invesco Ltd. 240,829 29,086,000 0.74%
30 RA CAPITAL MANAGEMENT, L.P. 200,379 24,200,000 0.62%
31 PFM Health Sciences, LP 199,745 24,123,000 0.62%
32 CITADEL ADVISORS LLC 192,286 23,223,000 0.59%
33 GEODE CAPITAL MANAGEMENT, LLC 192,090 23,198,000 0.59%
34 Duquesne Family Office LLC 184,082 22,232,000 0.57%
35 AMERIPRISE FINANCIAL INC 176,671 21,336,000 0.54%
36 Bank of New York Mellon Corp 163,641 19,763,000 0.50%
37 TIAA CREF INVESTMENT MANAGEMENT LLC 156,924 18,952,000 0.48%
38 BAKER BROS. ADVISORS LP 146,581 17,703,000 0.45%
39 JPMORGAN CHASE & CO 141,905 17,137,000 0.44%
40 SUSQUEHANNA INTERNATIONAL GROUP, LLP 141,152 17,047,000 0.43%
41 NORGES BANK 139,129 16,803,000 0.43%
42 PERCEPTIVE ADVISORS LLC 135,000 16,304,000 0.42%
43 MILLENNIUM MANAGEMENT LLC 130,000 15,700,000 0.40% Put
44 DEUTSCHE BANK AG\ 129,055 15,583,000 0.40%
45 FRED ALGER MANAGEMENT, LLC 125,686 15,179,000 0.39%
46 Mitsubishi UFJ Trust & Banking Corp 123,500 14,915,000 0.38%
47 CADIAN CAPITAL MANAGEMENT, LP 120,000 14,492,000 0.37%
48 QVT Financial LP 117,844 14,232,000 0.36%
49 Nuveen Asset Management, LLC 117,668 14,211,000 0.36%
50 TEACHERS ADVISORS, LLC 107,734 13,011,000 0.33%
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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.