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

Institutional Holders (2015Q4)
Portfolio Summary: 89 Institutional holders with a total value of $510,343,288.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 BAUPOST GROUP LLC/MA 5,359,632 141,548,000 27.74%
2 FMR LLC 2,085,790 55,086,000 10.79%
3 Redmile Group, LLC 1,534,962 40,538,000 7.94%
4 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 1,235,435 32,628,000 6.39%
5 EAGLE ASSET MANAGEMENT INC 853,400 22,538,000 4.42%
6 BlackRock Fund Advisors 748,592 19,770,000 3.87%
7 ArrowMark Colorado Holdings LLC 736,520 19,451,000 3.81%
8 Visium Asset Management, LP 722,626 19,085,000 3.74%
9 BRIDGER MANAGEMENT, LLC 706,848 18,668,000 3.66%
10 STATE STREET CORP 601,687 15,889,000 3.11%
11 VANGUARD GROUP INC 583,135 15,401,000 3.02%
12 Neuberger Berman Group LLC 493,915 13,044,000 2.56%
13 RTW INVESTMENTS, LP 425,852 11,247,000 2.20%
14 12 West Capital Management LP 393,700 10,398,000 2.04%
15 BlackRock Institutional Trust Company, N.A. 390,388 10,310,000 2.02%
16 NORTHERN TRUST CORP 187,073 4,940,000 0.97%
17 TIVERTON ASSET MANAGEMENT LLC 185,113 4,889,000 0.96%
18 Cormorant Asset Management, LP 150,000 3,962,000 0.78%
19 GEODE CAPITAL MANAGEMENT, LLC 132,254 3,492,000 0.68%
20 TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY 126,400 3,338,000 0.65%
21 MORGAN STANLEY 125,960 3,326,000 0.65%
22 Invesco Ltd. 110,173 2,910,000 0.57%
23 OXFORD ASSET MANAGEMENT LLP 100,632 2,538,000 0.50%
24 ACUTA CAPITAL PARTNERS, LLC 95,000 2,509,000 0.49%
25 TEACHERS ADVISORS, LLC 90,153 2,381,000 0.47%
26 Bank of New York Mellon Corp 87,414 2,308,000 0.45%
27 BANK OF AMERICA CORP /DE/ 75,985 2,007,000 0.39%
28 Cupps Capital Management, LLC 74,727 1,973,000 0.39%
29 TIAA CREF INVESTMENT MANAGEMENT LLC 73,782 1,949,000 0.38%
30 JPMORGAN CHASE & CO 60,700 1,603,000 0.31%
31 BlackRock Investment Management, LLC 55,993 1,479,000 0.29%
32 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 52,121 1,377,000 0.27%
33 NORGES BANK 40,010 1,057,000 0.21%
34 ALPS ADVISORS INC 37,718 996,000 0.20%
35 Parallax Volatility Advisers, L.P. 37,000 977,000 0.19% Put
36 A.R.T. Advisors, LLC 35,611 940,000 0.18%
37 UBS Group AG 35,046 925,000 0.18%
38 WELLS FARGO & COMPANY/MN 31,501 832,000 0.16%
39 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 31,200 824,000 0.16%
40 CREDIT SUISSE AG/ 25,930 685,000 0.13%
41 ALLIANCEBERNSTEIN L.P. 21,440 674,000 0.13%
42 ProShare Advisors LLC 25,478 673,000 0.13%
43 CASDIN CAPITAL, LLC 25,000 660,000 0.13%
44 Vident Investment Advisory, LLC 22,497 594,000 0.12%
45 Swiss National Bank 20,900 552,000 0.11%
46 TUDOR INVESTMENT CORP ET AL 19,100 504,000 0.10%
47 NEW YORK STATE COMMON RETIREMENT FUND 18,100 478,000 0.09%
48 RHUMBLINE ADVISERS 17,370 459,000 0.09%
49 HIGHBRIDGE CAPITAL MANAGEMENT LLC 14,300 377,000 0.07% Put
50 LANDSCAPE CAPITAL MANAGEMENT, L.L.C. 12,715 336,000 0.07%
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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.