Atara Biotherapeutics, Inc. - ATRA

Sector: Healthcare · Industry: Biological Products, (No Diagnostic Substances)
Website: No information yet · Social: No information yet

Company profile

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Quarter snapshot

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Q1 2026 · Q4 2025
Value (USD)
Total reported value ($000)
$16.2M
QoQ value delta ($000)
-$20.85M (-56.27%)
Implied price effect (QoQ)
-67.87%
Shares
Total shares
2,790,398
QoQ shares delta
+740,519 (+36.13%)
Total shares held by funds (by quarter)

Market chart (ATRA)

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Top holders (Q1 2026)

Top 25 only Full list
Partial Q1 2026 data: 34 holders have filed so far. Prior holders are carried forward until their next 13F confirms a change.
Manager Value ($000) Shares % of 13F
VANGUARD GROUP INC 4,087 225,940 0.0%
ADAGE CAPITAL PARTNERS GP, L.L.C. 3,311 700,000 0.01%
Redmile Group, LLC 2,089 441,701 0.14%
MACKENZIE FINANCIAL CORP 1,483 313,620 0.0%
VANGUARD CAPITAL MANAGEMENT LLC 1,030 217,862 0.0%
Point72 Asset Management, L.P. 918 194,264 0.0%
ACADIAN ASSET MANAGEMENT LLC 617 130,910 0.0%
EcoR1 Capital, LLC 471 99,593 0.02%
BlackRock, Inc. 373 79,022 0.0%
GEODE CAPITAL MANAGEMENT, LLC 313 66,146 0.0%
STALEY CAPITAL ADVISERS INC 236 50,000 0.01%
UBS Group AG 236 50,070 0.0%
MILLENNIUM MANAGEMENT LLC 225 47,689 0.0%
JANE STREET GROUP, LLC 160 33,870 0.0%
VANGUARD FIDUCIARY TRUST CO 159 33,621 0.0%
BRIDGEWAY CAPITAL MANAGEMENT, LLC 154 32,691 0.0%
STATE STREET CORP 125 26,453 0.0%
FMR LLC 76 16,238 0.0%
NORTHERN TRUST CORP 58 12,340 0.0%
MORGAN STANLEY 43 9,169 0.0%
ROYAL BANK OF CANADA 20 4,319 0.0%
SBI Securities Co., Ltd. 7 1,574 0.0%
Vanguard Global Advisers, LLC 6 1,456 0.0%
JONES FINANCIAL COMPANIES LLLP 3 703 0.0%
WELLS FARGO & COMPANY/MN 1 251 0.0%