Institutional shares held 3.06 Million
0 calls
0 puts
Total value of holdings $35.7M
$0 calls
$0 puts
Market Cap $1.1B
94,362,304 Shares Out.
Institutional ownership 3.24%
# of Institutions 8


Latest Institutional Activity in ATRA

Top Purchases

Q2 2024
Ever Source Wealth Advisors, LLC Shares Held: 35 ($408)
Q1 2024
Bank Of America Corp Shares Held: 6.58M ($76.8M)
Q1 2024
Citadel Advisors LLC Shares Held: 6.51M ($76M)
Q1 2024
Price T Rowe Associates Inc Shares Held: 4.96M ($57.9M)
Q1 2024
Vestal Point Capital, LP Shares Held: 2.8M ($32.7M)

Top Sells

Q2 2024
Boxer Capital, LLC Shares Held: 166K ($1.94M)
Q2 2024
Cwm, LLC Shares Held: 542 ($6.33K)
Q1 2024
Ubs Group Ag Shares Held: 106K ($1.24M)
Q1 2024
Millennium Management LLC Shares Held: 361K ($4.22M)
Q1 2024
Vanguard Group Inc Shares Held: 5.01M ($58.5M)

About ATRA

Atara Biotherapeutics, Inc., an off-the-shelf T-cell immunotherapy company, develops treatments for patients with cancer, autoimmune, and viral diseases in the United States. It is developing tabelecleucel, a T-cell immunotherapy that is Phase 3 clinical trials for the treatment of epstein-barr virus (EBV) driven post-transplant lymphoproliferative disease, as well as hematologic and solid tumors, including nasopharyngeal carcinoma. The company is also developing next-generation CAR T immunotherapies for patients with hematologic malignancies and solid tumors, including ATA2271 and ATA3271 for mesothelin; and ATA2431 and ATA3219 for B-cell malignancies, as well as ATA188 for the treatment of multiple sclerosis. In addition, it develops ATA368 program for patients with human papillomavirus associated cancers. Atara Biotherapeutics, Inc. has a license agreement with Memorial Sloan Kettering Cancer Center; license, and research and development collaboration agreement with QIMR Berghofer Medical Research Institute; and strategic collaboration with H. Lee Moffitt Cancer Center, as well as Bayer AG for mesothelin-targeted CAR T-cell therapies for solid tumors. The company was incorporated in 2012 and is headquartered in South San Francisco, California.


Insider Transactions at ATRA

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
4.15M Shares
From 10 Insiders
Grant, award, or other acquisition 4.15M shares
Sell / Disposition
279K Shares
From 5 Insiders
Open market or private sale 279K shares

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