Atara Biotherapeutics, Inc. - Common Stock, par value $0.0001 per share (ATRA)

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

CUSIP 046513107 is the security identifier for ATRA - Atara Biotherapeutics, Inc. - Common Stock, par value $0.0001 per share used to aggregate holder disclosures.

Q: How many institutions held ATRA - Atara Biotherapeutics, Inc. - Common Stock, par value $0.0001 per share in Q3 2021?

138 institutional investors reported ATRA - Atara Biotherapeutics, Inc. - Common Stock, par value $0.0001 per share for Q3 2021. Use the holders table for investor-level position and value details.

CUSIP: 046513107

Q3 2021 13F Holders as of 30 Sep 2021

Type / Class: Equity / Common Stock, par value $0.0001 per share
Shares outstanding: 8,494,871
Total 13F shares: 87,844,034
Share change: +3,796,908
Total reported value: $1,572,372,278
Put/Call ratio: 62%
Price per share: $17.90
Number of holders: 138
Value change: +$69,603,688
Number of buys: 66
Number of sells: 64

Quarterly Holders Quick Answers

What is CUSIP 046513107?
CUSIP 046513107 identifies ATRA - Atara Biotherapeutics, Inc. - Common Stock, par value $0.0001 per share 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: Q4 2021
Previous quarter: Q2 2021

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, par value $0.0001 per share (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	100%	8,477,488	$131,825,000	—	30 Jun 2021	13F
BlackRock Finance, Inc.	13F	Company	91%	7,720,031	$120,047,000	—	30 Jun 2021	13F
MAVERICK CAPITAL LTD	13F	Company	91%	7,704,676	$119,808,000	—	30 Jun 2021	13F
JPMORGAN CHASE & CO	13F	Company	88%	7,514,562	$116,852,000	—	30 Jun 2021	13F
VANGUARD GROUP INC	13F	Company	79%	6,704,141	$104,250,000	—	30 Jun 2021	13F
Redmile Group, LLC	13F	Company	76%	6,449,577	$100,291,000	—	30 Jun 2021	13F
STATE STREET CORP	13F	Company	51%	4,371,856	$67,982,000	—	30 Jun 2021	13F
MORGAN STANLEY	13F	Company	36%	3,035,720	$47,205,000	—	30 Jun 2021	13F
GOLDMAN SACHS GROUP INC	13F	Company	31%	2,597,710	$40,395,000	—	30 Jun 2021	13F
WASATCH ADVISORS LP	13F	Company	28%	2,388,238	$37,137,000	—	30 Jun 2021	13F
KPCB XV Associates, LLC	13F	Company	22%	1,876,650	$29,182,000	—	30 Jun 2021	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	18%	1,514,324	$23,547,000	—	30 Jun 2021	13F
Artal Group S.A.	13F	Company	18%	1,500,000	$23,325,000	—	30 Jun 2021	13F
Assenagon Asset Management S.A.	13F	Company	18%	1,496,924	$23,277,000	—	30 Jun 2021	13F
FMR LLC	13F	Company	17%	1,437,772	$22,357,000	—	30 Jun 2021	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	16%	1,340,745	$20,848,000	—	30 Jun 2021	13F
BRIDGER MANAGEMENT, LLC	13F	Company	16%	1,325,188	$20,607,000	—	30 Jun 2021	13F
CREDIT SUISSE AG/	13F	Company	14%	1,230,794	$19,139,000	—	30 Jun 2021	13F
Nuveen Asset Management, LLC	13F	Company	14%	1,147,707	$17,847,000	—	30 Jun 2021	13F
Antipodean Advisors LLC	13F	Company	12%	1,000,000	$15,550,000	—	30 Jun 2021	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	11%	898,700	$13,975,000	—	30 Jun 2021	13F
NORTHERN TRUST CORP	13F	Company	10%	871,807	$13,557,000	—	30 Jun 2021	13F
Alberta Investment Management Corp	13F	Company	10%	864,630	$13,445,000	—	30 Jun 2021	13F
D. E. Shaw & Co., Inc.	13F	Company	9.6%	818,531	$12,728,000	—	30 Jun 2021	13F
NORGES BANK	13F	Company	9.1%	773,147	$12,022,000	—	30 Jun 2021	13F
AMERIPRISE FINANCIAL INC	13F	Company	8.7%	741,590	$11,532,000	—	30 Jun 2021	13F
Point72 Asset Management, L.P.	13F	Company	8.7%	739,900	$11,505,000	—	30 Jun 2021	13F
683 Capital Management, LLC	13F	Company	8%	677,683	$10,538,000	—	30 Jun 2021	13F
TWO SIGMA ADVISERS, LP	13F	Company	7.7%	650,200	$10,111,000	—	30 Jun 2021	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	6.8%	580,100	$9,021,000	—	30 Jun 2021	13F
PACIFIC HEIGHTS ASSET MANAGEMENT LLC	13F	Company	6.2%	525,000	$8,164,000	—	30 Jun 2021	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	5.7%	483,450	$7,518,000	—	30 Jun 2021	13F
PINNACLE ASSOCIATES LTD	13F	Company	5.5%	466,947	$7,261,000	—	30 Jun 2021	13F
CITIGROUP INC	13F	Company	5.1%	429,344	$6,676,000	—	30 Jun 2021	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	4.3%	365,297	$5,680,000	—	30 Jun 2021	13F
BARCLAYS PLC	13F	Company	3.6%	307,868	$4,787,000	—	30 Jun 2021	13F
Bank of New York Mellon Corp	13F	Company	3.3%	277,017	$4,307,000	—	30 Jun 2021	13F
DEUTSCHE BANK AG\	13F	Company	3.2%	275,775	$4,288,000	—	30 Jun 2021	13F
STALEY CAPITAL ADVISERS INC	13F	Company	2.9%	250,000	$3,887,000	—	30 Jun 2021	13F
SG Americas Securities, LLC	13F	Company	2.3%	198,726	$3,090,000	—	30 Jun 2021	13F
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND	13F	Company	1.9%	165,000	$2,566,000	—	30 Jun 2021	13F
Rafferty Asset Management, LLC	13F	Company	1.9%	158,097	$2,458,000	—	30 Jun 2021	13F
WELLS FARGO & COMPANY/MN	13F	Company	1.8%	156,944	$2,441,000	—	30 Jun 2021	13F
Swiss National Bank	13F	Company	1.8%	156,700	$2,437,000	—	30 Jun 2021	13F
STATE OF WISCONSIN INVESTMENT BOARD	13F	Company	1.8%	150,401	$2,339,000	—	30 Jun 2021	13F
RHUMBLINE ADVISERS	13F	Company	1.5%	127,034	$1,975,000	—	30 Jun 2021	13F
ACT CAPITAL MANAGEMENT, LLC	13F	Company	1.4%	116,900	$1,818,000	—	30 Jun 2021	13F
JACOBS LEVY EQUITY MANAGEMENT, INC	13F	Company	1.4%	116,722	$1,815,000	—	30 Jun 2021	13F
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F	Company	1.3%	113,912	$1,771,000	—	30 Jun 2021	13F
ALPS ADVISORS INC	13F	Company	1.3%	110,734	$1,722,000	—	30 Jun 2021	13F

Institutional Holders of Atara Biotherapeutics, Inc. - Common Stock, par value $0.0001 per share (ATRA) as of Q3 2021

As of 30 Sep 2021, Atara Biotherapeutics, Inc. - Common Stock, par value $0.0001 per share (ATRA) was held by 138 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 87,844,034 shares. The largest 10 holders included BAUPOST GROUP LLC/MA, JPMORGAN CHASE & CO, MAVERICK CAPITAL LTD, BlackRock Inc., VANGUARD GROUP INC, Redmile Group, LLC, FMR LLC, STATE STREET CORP, WASATCH ADVISORS INC, and GOLDMAN SACHS GROUP INC. This page lists 138 institutional shareholders reporting positions in this security for the Q3 2021 filing period.

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

Compare Q3 2021 vs Q2 2021 Across Filers

Q2 2021 holders

144

Q3 2021 holders

138

Holder diff

-6

Investor	Q2 2021 Shares	Q3 2021 Shares	Share Diff	Share Chg %	Q2 2021 Value $	Q3 2021 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.