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

Institutional Holders (2014Q3)
Portfolio Summary: 133 Institutional holders with a total value of $868,921,975.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 FMR LLC 4,285,269 153,755,000 17.69%
2 Capital Research Global Investors 3,502,915 125,685,000 14.46%
3 DEERFIELD MANAGEMENT COMPANY, L.P. 1,258,687 45,162,000 5.20%
4 Third Rock Ventures, LLC 1,215,054 43,596,000 5.02%
5 PRICE T ROWE ASSOCIATES INC /MD/ 1,067,271 38,294,000 4.41%
6 BlackRock Fund Advisors 866,616 31,094,000 3.58%
7 STATE STREET CORP 742,590 26,644,000 3.07%
8 RA CAPITAL MANAGEMENT, L.P. 728,812 26,150,000 3.01%
9 VANGUARD GROUP INC 627,673 22,521,000 2.59%
10 JENNISON ASSOCIATES LLC 619,328 22,221,000 2.56%
11 Point72 Asset Management, L.P. 594,900 21,345,000 2.46%
12 BlackRock Institutional Trust Company, N.A. 585,457 21,006,000 2.42%
13 FRANKLIN RESOURCES INC 456,332 16,373,000 1.88%
14 EVENTIDE ASSET MANAGEMENT, LLC 395,700 14,198,000 1.63%
15 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 381,841 13,700,000 1.58%
16 QVT Financial LP 366,600 13,154,000 1.51%
17 RS INVESTMENT MANAGEMENT CO LLC 332,549 11,932,000 1.37%
18 EMERALD ADVISERS, LLC 267,390 9,594,000 1.10%
19 GOLDMAN SACHS GROUP INC 254,577 9,134,000 1.05%
20 Artal Group S.A. 250,000 8,970,000 1.03%
21 NORTHERN TRUST CORP 245,012 8,791,000 1.01%
22 EMERALD MUTUAL FUND ADVISERS TRUST 239,151 8,581,000 0.99%
23 GOLDMAN SACHS GROUP INC 231,500 8,306,000 0.96% Call
24 LORD, ABBETT & CO. LLC 210,273 7,545,000 0.87%
25 KINGDON CAPITAL MANAGEMENT, L.L.C. 207,000 7,425,000 0.85%
26 Tekla Capital Management LLC 172,927 6,205,000 0.71%
27 Weiss Multi-Strategy Advisers LLC 169,924 6,097,000 0.70%
28 FRED ALGER MANAGEMENT, LLC 154,172 5,532,000 0.64%
29 BAKER BROS. ADVISORS LP 150,000 5,382,000 0.62%
30 DEUTSCHE BANK AG\ 146,170 5,243,000 0.60%
31 MILLENNIUM MANAGEMENT LLC 132,360 4,749,000 0.55%
32 PointState Capital LP 130,000 4,664,000 0.54%
33 TIAA CREF INVESTMENT MANAGEMENT LLC 120,759 4,333,000 0.50%
34 Tekla Capital Management LLC 118,400 4,248,000 0.49% Call
35 Bank of New York Mellon Corp 110,917 3,980,000 0.46%
36 HAMILTON LANE ADVISORS LLC 110,228 3,955,000 0.46%
37 EverPoint Asset Management, LLC 110,000 3,947,000 0.45%
38 GEODE CAPITAL MANAGEMENT, LLC 110,007 3,947,000 0.45%
39 MORGAN STANLEY 103,700 3,720,000 0.43%
40 COWEN INC. 92,408 3,316,000 0.38%
41 ASCEND CAPITAL, LLC 90,000 3,229,000 0.37%
42 SUSQUEHANNA INTERNATIONAL GROUP, LLP 88,100 3,161,000 0.36% Put
43 Alyeska Investment Group, L.P. 87,651 3,145,000 0.36%
44 CREDIT SUISSE AG/ 82,277 2,952,000 0.34%
45 DRIEHAUS CAPITAL MANAGEMENT LLC 77,132 2,767,000 0.32%
46 CITADEL ADVISORS LLC 76,535 2,746,000 0.32%
47 AMERIPRISE FINANCIAL INC 67,785 2,431,000 0.28%
48 BlackRock Investment Management, LLC 66,303 2,379,000 0.27%
49 Invesco Ltd. 66,177 2,375,000 0.27%
50 SUSQUEHANNA INTERNATIONAL GROUP, LLP 61,200 2,196,000 0.25% Call
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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.