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

Institutional Holders (2016Q2)
Portfolio Summary: 200 Institutional holders with a total value of $1,945,851,463.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 FMR LLC 5,541,457 239,889,000 12.33%
2 BAILLIE GIFFORD & CO 5,054,175 218,795,000 11.24%
3 Capital Research Global Investors 4,523,635 195,828,000 10.06%
4 VANGUARD GROUP INC 2,680,871 116,055,000 5.96%
5 PRICE T ROWE ASSOCIATES INC /MD/ 2,444,381 105,817,000 5.44%
6 WELLINGTON MANAGEMENT GROUP LLP 2,075,954 89,869,000 4.62%
7 STATE STREET CORP 1,699,977 73,592,000 3.78%
8 BlackRock Fund Advisors 1,386,229 60,010,000 3.08%
9 OppenheimerFunds, Inc. 1,352,334 58,543,000 3.01%
10 ORBIMED ADVISORS LLC 1,185,800 51,333,000 2.64%
11 FRANKLIN RESOURCES INC 1,161,832 50,296,000 2.58%
12 Capital World Investors 937,000 40,563,000 2.08%
13 BlackRock Institutional Trust Company, N.A. 902,966 39,089,000 2.01%
14 JENNISON ASSOCIATES LLC 878,061 38,011,000 1.95%
15 RTW INVESTMENTS, LP 612,025 26,495,000 1.36%
16 RS INVESTMENT MANAGEMENT CO LLC 575,093 24,896,000 1.28%
17 ArrowMark Colorado Holdings LLC 560,164 24,249,000 1.25%
18 EVENTIDE ASSET MANAGEMENT, LLC 539,500 23,355,000 1.20%
19 GREAT POINT PARTNERS LLC 500,000 21,645,000 1.11%
20 Artal Group S.A. 450,000 19,481,000 1.00%
21 WELLS FARGO & COMPANY/MN 440,830 19,084,000 0.98%
22 DEUTSCHE BANK AG\ 439,780 19,035,000 0.98%
23 NORTHERN TRUST CORP 404,141 17,495,000 0.90%
24 SUSQUEHANNA INTERNATIONAL GROUP, LLP 360,000 15,584,000 0.80% Put
25 DEERFIELD MANAGEMENT COMPANY, L.P. 338,085 14,636,000 0.75%
26 TIVERTON ASSET MANAGEMENT LLC 486,223 12,875,000 0.66%
27 BAKER BROS. ADVISORS LP 293,943 12,725,000 0.65%
28 GEODE CAPITAL MANAGEMENT, LLC 268,368 11,617,000 0.60%
29 NORGES BANK 240,604 10,416,000 0.54%
30 Invesco Ltd. 228,344 9,884,000 0.51%
31 BALYASNY ASSET MANAGEMENT L.P. 225,167 9,747,000 0.50%
32 MILLENNIUM MANAGEMENT LLC 218,149 9,444,000 0.49%
33 COLUMBUS CIRCLE INVESTORS 201,150 8,708,000 0.45%
34 EMERALD ADVISERS, LLC 194,144 8,404,000 0.43%
35 SUSQUEHANNA INTERNATIONAL GROUP, LLP 176,200 7,628,000 0.39% Call
36 EverPoint Asset Management, LLC 175,000 7,576,000 0.39%
37 Ghost Tree Capital, LLC 170,000 7,359,000 0.38%
38 NEW YORK STATE COMMON RETIREMENT FUND 168,000 7,273,000 0.37%
39 Bank of New York Mellon Corp 167,217 7,239,000 0.37%
40 AXA S.A. 163,557 7,080,000 0.36%
41 Mitsubishi UFJ Trust & Banking Corp 159,560 6,907,000 0.35%
42 GOLDMAN SACHS GROUP INC 155,086 6,714,000 0.35%
43 EMERALD MUTUAL FUND ADVISERS TRUST 153,610 6,650,000 0.34%
44 TIAA CREF INVESTMENT MANAGEMENT LLC 151,224 6,546,000 0.34%
45 BlackRock Investment Management, LLC 146,840 6,357,000 0.33%
46 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 145,991 6,320,000 0.32%
47 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 145,569 6,302,000 0.32%
48 BANK OF AMERICA CORP /DE/ 130,101 5,632,000 0.29%
49 SUSQUEHANNA INTERNATIONAL GROUP, LLP 129,958 5,626,000 0.29%
50 CASDIN CAPITAL, LLC 122,500 5,303,000 0.27%
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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.