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Atara Biotherapeutics, Inc. (ATRA)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
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0.6817-0.0116 (-1.67%)
As of 10:51AM EDT. Market open.
Insider roster
Insider transactions

Major holders

Currency in USD
Breakdown
2.60%% of shares held by all insiders
70.84%% of shares held by institutions
72.73%% of float held by institutions
121Number of institutions holding shares

Top institutional holders

HolderSharesDate reported% outValue
EcoR1 Capital, LLC10,167,04330 Mar 20248.44%6,930,873
Redmile Group, LLC9,263,30930 Mar 20247.69%6,314,797
Blackrock Inc.6,831,47930 Mar 20245.67%4,657,019
Bank of America Corporation6,580,57730 Mar 20245.46%4,485,979
Citadel Advisors Llc6,512,06330 Mar 20245.41%4,439,273
Vanguard Group Inc5,012,93830 Mar 20244.16%3,417,319
Price (T.Rowe) Associates Inc4,958,15030 Mar 20244.12%3,379,970
Boxer Capital, LLC4,150,00030 Mar 20243.45%2,829,054
Vestal Point Capital, LP2,800,00030 Mar 20242.33%1,908,759
Acadian Asset Management. LLC2,638,68730 Mar 20242.19%1,798,792

Top mutual fund holders

HolderSharesDate reported% outValue
Vanguard Total Stock Market Index Fund2,710,23630 Dec 20232.25%1,847,567
iShares Russell 2000 ETF2,402,10530 Mar 20241.99%1,637,514
Vanguard Extended Market Index Fund1,340,52330 Dec 20231.11%913,834
Vanguard Explorer Fund, Inc.1,112,88230 Jan 20240.92%758,651
Fidelity Small Cap Index Fund974,14428 Feb 20240.81%664,073
iShares Russell 2000 Value ETF842,97530 Mar 20240.70%574,656
Fidelity Extended Market Index Fund540,09130 Mar 20240.45%368,180
JP Morgan U.S. Small Company Fund522,09830 Dec 20230.43%355,914
Schwab Strategic Tr-Schwab U.S. Small Cap ETF483,51328 Feb 20240.40%329,610
Vanguard Horizon Fund-Strategic Small-Cap Equity Fund404,42530 Dec 20230.34%275,696