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

Institutional Holders (2015Q3)
Portfolio Summary: 90 Institutional holders with a total value of $596,593,952.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 BAUPOST GROUP LLC/MA 5,359,632 168,507,000 28.24%
2 FMR LLC 1,604,081 50,432,000 8.45%
3 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 1,105,558 34,759,000 5.83%
4 Redmile Group, LLC 1,049,782 33,005,000 5.53%
5 JENNISON ASSOCIATES LLC 844,180 26,541,000 4.45%
6 Visium Asset Management, LP 832,445 26,172,000 4.39%
7 EcoR1 Capital, LLC 803,458 25,261,000 4.23%
8 BAMCO INC /NY/ 764,988 24,051,000 4.03%
9 BRIDGER MANAGEMENT, LLC 734,418 23,090,000 3.87%
10 VANGUARD GROUP INC 569,038 17,890,000 3.00%
11 EAGLE ASSET MANAGEMENT INC 562,432 17,682,000 2.96%
12 Neuberger Berman Group LLC 473,670 14,892,000 2.50%
13 ArrowMark Colorado Holdings LLC 472,454 14,854,000 2.49%
14 ALPS ADVISORS INC 44,362 13,947,000 2.34%
15 BlackRock Fund Advisors 401,745 12,631,000 2.12%
16 BlackRock Institutional Trust Company, N.A. 382,369 12,022,000 2.02%
17 12 West Capital Management LP 231,697 7,285,000 1.22%
18 TIVERTON ASSET MANAGEMENT LLC 185,113 5,820,000 0.98%
19 NORTHERN TRUST CORP 182,734 5,745,000 0.96%
20 JPMORGAN CHASE & CO 176,046 5,534,000 0.93%
21 Cormorant Asset Management, LP 150,000 4,716,000 0.79%
22 TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY 126,400 3,974,000 0.67%
23 GEODE CAPITAL MANAGEMENT, LLC 120,893 3,800,000 0.64%
24 Invesco Ltd. 110,098 3,462,000 0.58%
25 Ghost Tree Capital, LLC 100,000 3,144,000 0.53%
26 Bank of New York Mellon Corp 88,160 2,772,000 0.46%
27 TIAA CREF INVESTMENT MANAGEMENT LLC 75,242 2,366,000 0.40%
28 Cupps Capital Management, LLC 64,283 2,021,000 0.34%
29 DEUTSCHE BANK AG\ 64,026 2,012,000 0.34%
30 BlackRock Investment Management, LLC 58,415 1,837,000 0.31%
31 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 50,513 1,589,000 0.27%
32 BANK OF AMERICA CORP /DE/ 47,432 1,490,000 0.25%
33 Candriam S.C.A. 40,700 1,280,000 0.21%
34 PRICE T ROWE ASSOCIATES INC /MD/ 40,399 1,270,000 0.21%
35 Jefferies Group LLC 40,000 1,258,000 0.21% Call
36 NORGES BANK 40,010 1,258,000 0.21%
37 Jefferies Group LLC 40,000 1,258,000 0.21% Put
38 TOCQUEVILLE ASSET MANAGEMENT L.P. 34,025 1,070,000 0.18%
39 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 30,764 967,000 0.16%
40 GOLDMAN SACHS GROUP INC 28,388 893,000 0.15%
41 Absolute Return Capital, LLC 25,355 797,000 0.13%
42 TEACHERS ADVISORS, LLC 25,153 791,000 0.13%
43 Jefferies Group LLC 25,120 790,000 0.13%
44 SUSQUEHANNA INTERNATIONAL GROUP, LLP 24,204 761,000 0.13%
45 SCHRODER INVESTMENT MANAGEMENT GROUP 23,433 737,000 0.12%
46 WELLS FARGO & COMPANY/MN 21,717 682,000 0.11%
47 ALLIANCEBERNSTEIN L.P. 21,440 674,000 0.11%
48 Swiss National Bank 20,900 657,000 0.11%
49 MORGAN STANLEY 19,334 608,000 0.10%
50 CITIGROUP INC 15,772 496,000 0.08%
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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.