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

Institutional Holders (2016Q3)
Portfolio Summary: 233 Institutional holders with a total value of $3,113,551,469.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 FMR LLC 5,575,494 377,907,000 12.14%
2 BAILLIE GIFFORD & CO 4,998,833 338,821,000 10.88%
3 Capital Research Global Investors 3,992,809 270,633,000 8.69%
4 PRICE T ROWE ASSOCIATES INC /MD/ 3,365,797 228,134,000 7.33%
5 VANGUARD GROUP INC 2,735,732 185,428,000 5.96%
6 WELLINGTON MANAGEMENT GROUP LLP 1,963,639 133,096,000 4.27%
7 STATE STREET CORP 1,659,517 112,485,000 3.61%
8 BlackRock Fund Advisors 1,475,395 100,002,000 3.21%
9 ORBIMED ADVISORS LLC 1,185,800 80,374,000 2.58%
10 FRANKLIN RESOURCES INC 1,161,832 78,749,000 2.53%
11 BlackRock Institutional Trust Company, N.A. 935,722 63,423,000 2.04%
12 JENNISON ASSOCIATES LLC 867,437 58,795,000 1.89%
13 OppenheimerFunds, Inc. 788,099 53,418,000 1.72%
14 Capital World Investors 752,000 50,971,000 1.64%
15 VICTORY CAPITAL MANAGEMENT INC 654,930 44,391,000 1.43%
16 MILLENNIUM MANAGEMENT LLC 653,144 44,270,000 1.42%
17 BALYASNY ASSET MANAGEMENT L.P. 548,684 37,190,000 1.19%
18 EVENTIDE ASSET MANAGEMENT, LLC 539,500 36,567,000 1.17%
19 SUSQUEHANNA INTERNATIONAL GROUP, LLP 467,500 31,687,000 1.02% Put
20 WELLS FARGO & COMPANY/MN 425,639 28,850,000 0.93%
21 NORTHERN TRUST CORP 411,712 27,906,000 0.90%
22 NORGES BANK 422,618 27,359,000 0.88%
23 ArrowMark Colorado Holdings LLC 396,897 26,902,000 0.86%
24 Artal Group S.A. 385,000 26,095,000 0.84%
25 DEUTSCHE BANK AG\ 382,110 25,896,000 0.83%
26 EMERALD ADVISERS, LLC 373,554 25,319,000 0.81%
27 AMERIPRISE FINANCIAL INC 363,852 24,664,000 0.79%
28 EMERALD MUTUAL FUND ADVISERS TRUST 323,863 21,951,000 0.71%
29 BAKER BROS. ADVISORS LP 293,943 19,923,000 0.64%
30 Passport Capital, LLC 289,068 19,593,000 0.63%
31 GEODE CAPITAL MANAGEMENT, LLC 278,959 18,907,000 0.61%
32 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 241,394 16,361,000 0.53%
33 Invesco Ltd. 230,338 15,612,000 0.50%
34 DEERFIELD MANAGEMENT COMPANY, L.P. 224,000 15,183,000 0.49%
35 Bank of New York Mellon Corp 194,978 13,215,000 0.42%
36 SUSQUEHANNA INTERNATIONAL GROUP, LLP 194,100 13,156,000 0.42% Call
37 GOLDMAN SACHS GROUP INC 184,355 12,496,000 0.40%
38 COLUMBUS CIRCLE INVESTORS 172,034 11,660,000 0.37%
39 AXA S.A. 163,651 11,092,000 0.36%
40 NEW YORK STATE COMMON RETIREMENT FUND 155,055 10,510,000 0.34%
41 Mitsubishi UFJ Trust & Banking Corp 154,660 10,483,000 0.34%
42 BlackRock Investment Management, LLC 154,127 10,447,000 0.34%
43 Polar Capital LLP 152,678 10,349,000 0.33%
44 TEACHERS ADVISORS, LLC 151,646 10,279,000 0.33%
45 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 140,491 9,523,000 0.31%
46 SUSQUEHANNA INTERNATIONAL GROUP, LLP 134,763 9,134,000 0.29%
47 BLACKROCK ADVISORS LLC 128,615 8,718,000 0.28%
48 TIAA CREF INVESTMENT MANAGEMENT LLC 127,462 8,639,000 0.28%
49 BANK OF AMERICA CORP /DE/ 124,334 8,428,000 0.27%
50 Hood River Capital Management LLC 119,080 8,071,000 0.26%
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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.