What does CUSIP 046513107 represent in this 13F holders report?

CUSIP 046513107 is the security identifier for ATRA - Atara Biotherapeutics, Inc. - Common Stock used to aggregate holder disclosures.

How many institutions held ATRA - Atara Biotherapeutics, Inc. - Common Stock in Q3 2016?

72 institutional investors reported ATRA - Atara Biotherapeutics, Inc. - Common Stock for Q3 2016. Use the holders table for investor-level position and value details.

Atara Biotherapeutics, Inc. - Common Stock (ATRA)

CUSIP: 046513107

Q3 2016 13F Holders as of 30 Sep 2016

Type / Class: Equity / Common Stock
Shares outstanding: 8,165,808
Total 13F shares: 22,400,142
Share change: +728,802
Total reported value: $479,016,785
Price per share: $21.39
Number of holders: 72
Value change: +$15,346,848
Number of buys: 39
Number of sells: 25

Quarterly Holders Quick Answers

What is CUSIP 046513107?
CUSIP 046513107 identifies ATRA - Atara Biotherapeutics, Inc. - Common Stock in SEC institutional holdings data.

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Related Filing Research

Latest 13F filings for newly reported positions.
Latest Schedule 13D/13G reports for ownership changes outside 13F cadence.
Latest 10-Q/10-K reports for financial context tied to this issuer.
Recent insider transactions for executive and insider activity.
SEC investors directory and top value investors for manager drilldown.
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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q4 2016
Previous quarter: Q2 2016

Recent filing periods for CUSIP 046513107:

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Top shareholders of ATRA - Atara Biotherapeutics, Inc. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
BAUPOST GROUP LLC/MA	13F	Company	66%	5,359,632	$120,645,000	—	30 Jun 2016	13F
FMR LLC	13F	Company	38%	3,125,407	$70,353,000	—	30 Jun 2016	13F
Redmile Group, LLC	13F	Company	30%	2,408,970	$54,226,000	—	30 Jun 2016	13F
ArrowMark Colorado Holdings LLC	13F	Company	15%	1,253,308	$28,212,000	—	30 Jun 2016	13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	13F	Company	14%	1,152,663	$25,947,000	—	30 Jun 2016	13F
BRIDGER MANAGEMENT, LLC	13F	Company	12%	1,015,976	$22,870,000	—	30 Jun 2016	13F
EAGLE ASSET MANAGEMENT INC	13F	Company	12%	972,592	$21,893,000	—	30 Jun 2016	13F
BlackRock Fund Advisors	13F	Company	11%	913,922	$20,572,000	—	30 Jun 2016	13F
VANGUARD GROUP INC	13F	Company	8.3%	679,690	$15,300,000	—	30 Jun 2016	13F
Neuberger Berman Group LLC	13F	Company	7.7%	629,120	$14,161,000	—	30 Jun 2016	13F
BlackRock Institutional Trust Company, N.A.	13F	Company	6%	489,613	$11,021,000	—	30 Jun 2016	13F
RTW INVESTMENTS, LP	13F	Company	5.7%	465,874	$10,487,000	—	30 Jun 2016	13F
Slate Path Capital LP	13F	Company	5.1%	420,000	$9,454,000	—	30 Jun 2016	13F
12 West Capital Management LP	13F	Company	4.9%	398,700	$8,975,000	—	30 Jun 2016	13F
STATE STREET CORP	13F	Company	4.3%	355,001	$7,995,000	—	30 Jun 2016	13F
TIVERTON ASSET MANAGEMENT LLC	13F	Company	2.5%	203,863	$6,752,000	—	30 Jun 2016	13F
NORTHERN TRUST CORP	13F	Company	2.9%	240,735	$5,419,000	—	30 Jun 2016	13F
Cormorant Asset Management, LP	13F	Company	2.3%	186,460	$4,197,000	—	30 Jun 2016	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.7%	137,725	$3,100,000	—	30 Jun 2016	13F
TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY	13F	Company	1.5%	126,400	$2,845,000	—	30 Jun 2016	13F
Invesco Ltd.	13F	Company	1.3%	110,197	$2,480,000	—	30 Jun 2016	13F
TEACHERS ADVISORS, LLC	13F	Company	1.3%	102,251	$2,302,000	—	30 Jun 2016	13F
Bank of New York Mellon Corp	13F	Company	1.2%	99,627	$2,243,000	—	30 Jun 2016	13F
BlackRock Investment Management, LLC	13F	Company	1.2%	94,203	$2,121,000	—	30 Jun 2016	13F
JPMORGAN CHASE & CO	13F	Company	1.1%	90,135	$2,029,000	—	30 Jun 2016	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.93%	75,926	$1,708,000	—	30 Jun 2016	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.88%	71,630	$1,612,000	—	30 Jun 2016	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.81%	66,295	$1,493,000	—	30 Jun 2016	13F
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F	Company	0.6%	48,704	$1,096,000	—	30 Jun 2016	13F
NORGES BANK	13F	Company	0.49%	40,010	$901,000	—	30 Jun 2016	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.45%	36,842	$830,000	—	30 Jun 2016	13F
Vident Investment Advisory, LLC	13F	Company	0.4%	32,879	$740,000	—	30 Jun 2016	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	0.33%	26,753	$602,000	—	30 Jun 2016	13F
RHUMBLINE ADVISERS	13F	Company	0.33%	26,645	$600,000	—	30 Jun 2016	13F
Swiss National Bank	13F	Company	0.32%	26,100	$588,000	—	30 Jun 2016	13F
ProShare Advisors LLC	13F	Company	0.3%	24,236	$546,000	—	30 Jun 2016	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	0.28%	22,940	$516,000	—	30 Jun 2016	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	0.27%	22,100	$497,000	—	30 Jun 2016	13F
CREDIT SUISSE AG/	13F	Company	0.25%	20,566	$463,000	—	30 Jun 2016	13F
METROPOLITAN LIFE INSURANCE CO/NY	13F	Company	0.22%	17,716	$399,000	—	30 Jun 2016	13F
MANUFACTURERS LIFE INSURANCE COMPANY, THE	13F	Company	0.2%	16,420	$370,000	—	30 Jun 2016	13F
Deutsche Girozentrale DekaBank	13F	Individual	0.2%	16,200	$365,000	—	30 Jun 2016	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.2%	16,110	$363,000	—	30 Jun 2016	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.19%	15,720	$354,000	—	30 Jun 2016	13F
Nationwide Fund Advisors	13F	Company	0.19%	15,110	$340,000	—	30 Jun 2016	13F
AMERICAN INTERNATIONAL GROUP, INC.	13F	Company	0.16%	13,371	$300,981	—	30 Jun 2016	13F
VIRTUS ADVISERS, LLC	13F	Company	0.15%	12,651	$285,000	—	30 Jun 2016	13F
HARBOURVEST PARTNERS LLC	13F	Company	0.13%	10,543	$237,000	—	30 Jun 2016	13F
BLACKROCK ADVISORS LLC	13F	Company	0.12%	10,186	$229,000	—	30 Jun 2016	13F
VOYA INVESTMENT MANAGEMENT LLC	13F	Company	0.12%	10,162	$229,000	—	30 Jun 2016	13F

Institutional Holders of Atara Biotherapeutics, Inc. - Common Stock (ATRA) as of Q3 2016

As of 30 Sep 2016, Atara Biotherapeutics, Inc. - Common Stock (ATRA) was held by 72 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 22,400,142 shares. The largest 10 holders included BAUPOST GROUP LLC/MA, FMR LLC, Redmile Group, LLC, Arrowpoint Asset Management, LLC, BRIDGER MANAGEMENT, LLC, EAGLE ASSET MANAGEMENT INC, BlackRock Fund Advisors, UBS ASSET MANAGEMENT AMERICAS INC, VANGUARD GROUP INC, and Neuberger Berman Group LLC. This page lists 72 institutional shareholders reporting positions in this security for the Q3 2016 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q3 2016 vs Q2 2016 Across Filers

Q2 2016 holders

Q3 2016 holders

Holder diff

Investor	Q2 2016 Shares	Q3 2016 Shares	Share Diff	Share Chg %	Q2 2016 Value $	Q3 2016 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.