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Atara Biotherapeutics Inc
Atara Biotherapeutics Inc. Institutional holdings reported to the SEC.

Institutional Holders (2015Q1)
Portfolio Summary: 54 Institutional holders with a total value of $461,514,969.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 BAUPOST GROUP LLC/MA 4,763,265 192,802,000 41.78%
2 EcoR1 Capital, LLC 1,063,189 44,197,000 9.58%
3 Visium Asset Management, LP 910,000 37,828,000 8.20%
4 FMR LLC 693,833 28,843,000 6.25%
5 JENNISON ASSOCIATES LLC 594,758 24,724,000 5.36%
6 BRIDGER MANAGEMENT, LLC 474,835 19,739,000 4.28%
7 Neuberger Berman Group LLC 446,777 18,573,000 4.02%
8 Redmile Group, LLC 265,205 11,025,000 2.39%
9 EverPoint Asset Management, LLC 252,349 10,490,000 2.27%
10 VANGUARD GROUP INC 216,488 8,999,000 1.95%
11 BlackRock Fund Advisors 193,726 8,053,000 1.74%
12 TIVERTON ASSET MANAGEMENT LLC 190,000 7,898,000 1.71%
13 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 154,124 6,407,000 1.39%
14 JPMORGAN CHASE & CO 144,150 5,993,000 1.30%
15 ArrowMark Colorado Holdings LLC 122,134 5,077,000 1.10%
16 BAMCO INC /NY/ 120,844 5,023,000 1.09%
17 BlackRock Institutional Trust Company, N.A. 72,857 3,029,000 0.66%
18 STATE STREET CORP 71,612 2,974,000 0.64%
19 NORTHERN TRUST CORP 69,912 2,906,000 0.63%
20 SPHERA FUNDS MANAGEMENT LTD. 63,579 2,643,000 0.57%
21 GEODE CAPITAL MANAGEMENT, LLC 57,002 2,369,000 0.51%
22 Bank of New York Mellon Corp 29,978 1,246,000 0.27%
23 CITIGROUP INC 26,151 1,087,000 0.24%
24 Point72 Asset Management, L.P. 25,100 1,043,000 0.23%
25 NORGES BANK 25,010 1,040,000 0.23%
26 Absolute Return Capital, LLC 23,986 997,000 0.22%
27 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 21,015 874,000 0.19%
28 BlackRock Investment Management, LLC 20,353 846,000 0.18%
29 TIAA CREF INVESTMENT MANAGEMENT LLC 19,121 795,000 0.17%
30 BOGLE INVESTMENT MANAGEMENT L P /DE/ 13,643 567,000 0.12%
31 A.R.T. Advisors, LLC 12,624 524,000 0.11%
32 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 12,600 524,000 0.11%
33 CADENCE CAPITAL MANAGEMENT LLC 10,265 427,000 0.09%
34 TEACHERS ADVISORS, LLC 9,803 408,000 0.09%
35 ALLIANCEBERNSTEIN L.P. 6,100 254,000 0.06%
36 FRED ALGER MANAGEMENT, LLC 5,400 224,000 0.05%
37 BLACKROCK ADVISORS LLC 4,857 202,000 0.04%
38 Nationwide Fund Advisors 4,531 188,000 0.04%
39 AMERICAN INTERNATIONAL GROUP, INC. 3,615 150,276 0.03%
40 B. Riley Wealth Management, Inc. 3,000 124,000 0.03%
41 MANUFACTURERS LIFE INSURANCE COMPANY, THE 2,741 114,000 0.02%
42 STRS OHIO 2,300 95,000 0.02%
43 Cubist Systematic Strategies, LLC 1,717 71,000 0.02%
44 UBS Group AG 1,000 42,000 0.01%
45 WELLS FARGO & COMPANY/MN 1,015 42,000 0.01%
46 BARCLAYS PLC 209 8,000 0.00%
47 Tower Research Capital LLC (TRC) 183 8,000 0.00%
48 BNP PARIBAS FINANCIAL MARKETS 161 6,693 0.00%
49 BlackRock Finance, Inc. 148 6,000 0.00%
50 MORGAN STANLEY 90 4,000 0.00%
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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.