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 Q4 2018?

119 institutional investors reported ATRA - Atara Biotherapeutics, Inc. - Common Stock for Q4 2018. Use the holders table for investor-level position and value details.

Atara Biotherapeutics, Inc. - Common Stock (ATRA)

CUSIP: 046513107

Q4 2018 13F Holders as of 31 Dec 2018

Type / Class: Equity / Common Stock
Shares outstanding: 8,165,808
Total 13F shares: 48,253,940
Share change: +1,902,979
Total reported value: $1,676,297,014
Put/Call ratio: 30%
Price per share: $34.74
Number of holders: 119
Value change: +$62,510,625
Number of buys: 56
Number of sells: 52

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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Explore More Reporting Periods

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

Newer quarter: Q1 2019
Previous quarter: Q3 2018

Recent filing periods for CUSIP 046513107:

Q4 2025 Q3 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024 Q4 2023

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	77%	6,254,632	$258,629,000	—	30 Sep 2018	13F
FMR LLC	13F	Company	63%	5,180,737	$214,224,000	—	30 Sep 2018	13F
Redmile Group, LLC	13F	Company	52%	4,218,717	$174,444,000	—	30 Sep 2018	13F
BlackRock Finance, Inc.	13F	Company	43%	3,490,782	$144,345,000	—	30 Sep 2018	13F
VANGUARD GROUP INC	13F	Company	30%	2,487,567	$102,861,000	—	30 Sep 2018	13F
BRIDGER MANAGEMENT, LLC	13F	Company	30%	2,459,253	$101,690,000	—	30 Sep 2018	13F
STATE STREET CORP	13F	Company	26%	2,105,716	$87,070,000	—	30 Sep 2018	13F
MORGAN STANLEY	13F	Company	23%	1,890,131	$78,157,000	—	30 Sep 2018	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	22%	1,766,845	$73,059,000	—	30 Sep 2018	13F
EAGLE ASSET MANAGEMENT INC	13F	Company	20%	1,624,958	$67,192,000	—	30 Sep 2018	13F
Camber Capital Management LP	13F	Company	20%	1,620,000	$66,987,000	—	30 Sep 2018	13F
ArrowMark Colorado Holdings LLC	13F	Company	18%	1,502,811	$62,141,000	—	30 Sep 2018	13F
CARILLON TOWER ADVISERS, INC.	13F	Company	16%	1,286,445	$53,194,000	—	30 Sep 2018	13F
Neuberger Berman Group LLC	13F	Company	15%	1,218,539	$50,386,000	—	30 Sep 2018	13F
JPMORGAN CHASE & CO	13F	Company	15%	1,202,912	$49,741,000	—	30 Sep 2018	13F
Artal Group S.A.	13F	Company	12%	1,000,000	$41,350,000	—	30 Sep 2018	13F
NORTHERN TRUST CORP	13F	Company	6.4%	524,063	$21,670,000	—	30 Sep 2018	13F
FEDERATED HERMES, INC.	13F	Company	5.8%	475,400	$19,658,000	—	30 Sep 2018	13F
NORGES BANK	13F	Company	5.6%	461,093	$19,066,000	—	30 Sep 2018	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	5.5%	451,532	$18,670,000	—	30 Sep 2018	13F
Assenagon Asset Management S.A.	13F	Company	5.1%	415,520	$17,182,000	—	30 Sep 2018	13F
GOLDMAN SACHS GROUP INC	13F	Company	5%	410,379	$16,969,000	—	30 Sep 2018	13F
PUTNAM INVESTMENTS LLC	13F	Company	3.3%	267,884	$11,077,000	—	30 Sep 2018	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	3%	242,062	$10,010,000	—	30 Sep 2018	13F
DRIEHAUS CAPITAL MANAGEMENT LLC	13F	Company	3%	240,948	$9,963,000	—	30 Sep 2018	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	2.8%	229,141	$9,474,000	—	30 Sep 2018	13F
HIGHLINE CAPITAL MANAGEMENT, L.P.	13F	Company	2.8%	227,400	$9,403,000	—	30 Sep 2018	13F
DEUTSCHE BANK AG\	13F	Company	2.7%	221,911	$9,175,000	—	30 Sep 2018	13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	13F	Company	2.7%	217,418	$8,990,235	—	30 Sep 2018	13F
Bank of New York Mellon Corp	13F	Company	2.2%	179,505	$7,422,000	—	30 Sep 2018	13F
AMERIPRISE FINANCIAL INC	13F	Company	2.2%	178,159	$7,368,000	—	30 Sep 2018	13F
12 West Capital Management LP	13F	Company	1.9%	158,700	$6,562,000	—	30 Sep 2018	13F
BANK OF AMERICA CORP /DE/	13F	Company	1.7%	141,615	$5,855,000	—	30 Sep 2018	13F
PACIFIC HEIGHTS ASSET MANAGEMENT LLC	13F	Company	1.5%	125,000	$5,169,000	—	30 Sep 2018	13F
TIVERTON ASSET MANAGEMENT LLC	13F	Company	1.3%	103,158	$4,265,000	—	30 Sep 2018	13F
Polar Capital LLP	13F	Company	1.2%	100,000	$4,135,000	—	30 Sep 2018	13F
WELLS FARGO & COMPANY/MN	13F	Company	1.1%	90,276	$3,734,000	—	30 Sep 2018	13F
TEACHERS ADVISORS, LLC	13F	Company	1%	85,416	$3,532,000	—	30 Sep 2018	13F
CITIGROUP INC	13F	Company	1%	83,567	$3,455,000	—	30 Sep 2018	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	1%	82,280	$3,402,000	—	30 Sep 2018	13F
ALPS ADVISORS INC	13F	Company	0.98%	80,238	$3,318,000	—	30 Sep 2018	13F
University Of Notre Dame du Lac	13F	Individual	0.88%	72,188	$2,985,000	—	30 Sep 2018	13F
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F	Company	0.79%	64,173	$2,654,000	—	30 Sep 2018	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	0.67%	54,640	$2,259,000	—	30 Sep 2018	13F
Swiss National Bank	13F	Company	0.64%	52,600	$2,175,000	—	30 Sep 2018	13F
Vident Investment Advisory, LLC	13F	Company	0.63%	51,500	$2,130,000	—	30 Sep 2018	13F
EATON VANCE MANAGEMENT	13F	Company	0.6%	48,806	$2,018,000	—	30 Sep 2018	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	0.59%	47,800	$1,977,000	—	30 Sep 2018	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.57%	46,366	$1,917,000	—	30 Sep 2018	13F
TD ASSET MANAGEMENT INC	13F	Company	0.56%	45,489	$1,881,000	—	30 Sep 2018	13F

Institutional Holders of Atara Biotherapeutics, Inc. - Common Stock (ATRA) as of Q4 2018

As of 31 Dec 2018, Atara Biotherapeutics, Inc. - Common Stock (ATRA) was held by 119 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 48,253,940 shares. The largest 10 holders included BAUPOST GROUP LLC/MA, FMR LLC, Redmile Group, LLC, BlackRock Inc., Vanguard Group Inc, BRIDGER MANAGEMENT, LLC, Camber Capital Management LP, MORGAN STANLEY, PRICE T ROWE ASSOCIATES INC /MD/, and STATE STREET CORP. This page lists 119 institutional shareholders reporting positions in this security for the Q4 2018 filing period.

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

Compare Q4 2018 vs Q3 2018 Across Filers

Q3 2018 holders

114

Q4 2018 holders

119

Holder diff

Investor	Q3 2018 Shares	Q4 2018 Shares	Share Diff	Share Chg %	Q3 2018 Value $	Q4 2018 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.