Fund shareholders of Atara Biotherapeutics Inc
ISIN US0465132068 · United States · LEI 549300WBXUXZRE03MS38
- Fund shareholders
- 16
- Of which ETFs
- 4 12 other funds
- Value held
- 1.6M $
- Share of capital
- 3.3 % of 10M shares on Aug 10, 2026
| Fund | Shares | Value | Weight in fund | Share of capital | |
|---|---|---|---|---|---|
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 158,646 | 750.4K $ | 1.58 % | as of Mar 31, 2026 ↗ | |
| VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 56,372 | 266.6K $ | 0.00 % | 0.56 % | as of Mar 31, 2026 ↗ |
| Fidelity Extended Market Index Fund Fidelity Concord Street Trust | 29,884 | 162K $ | 0.00 % | 0.30 % | as of Feb 28, 2026 ↗ |
| Ultra-Small Company Fund Bridgeway Funds, Inc. | 18,691 | 88.4K $ | 0.10 % | 0.19 % | as of Mar 31, 2026 ↗ |
| VIP Disciplined Small Cap Portfolio Variable Insurance Products Fund II | 16,238 | 76.8K $ | 0.01 % | 0.16 % | as of Mar 31, 2026 ↗ |
| Ultra-Small Company Market Fund Bridgeway Funds, Inc. | 14,000 | 66.2K $ | 0.05 % | 0.14 % | as of Mar 31, 2026 ↗ |
| Fidelity Total Market Index Fund Fidelity Concord Street Trust | 10,479 | 56.8K $ | 0.10 % | as of Feb 28, 2026 ↗ | |
| iShares Micro-Cap ETF iShares Trust | 10,445 | 49.4K $ | 0.00 % | 0.10 % | as of Mar 31, 2026 ↗ |
| Fidelity Series Total Market Index Fund Fidelity Concord Street Trust | 7,697 | 41.7K $ | 0.08 % | as of Feb 28, 2026 ↗ | |
| VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND VANGUARD INSTITUTIONAL INDEX FUNDS | 2,844 | 13.5K $ | 0.03 % | as of Mar 31, 2026 ↗ | |
| Fidelity Nasdaq Composite Index Fund Fidelity Concord Street Trust | 2,678 | 14.5K $ | 0.00 % | 0.03 % | as of Feb 28, 2026 ↗ |
| Dimensional US Core Equity 1 ETF Dimensional ETF Trust | 2,149 | 10.3K $ | 0.00 % | 0.02 % | as of Apr 30, 2026 ↗ |
| Schwab Total Stock Market Index Fund SCHWAB CAPITAL TRUST | 1,643 | 7.8K $ | 0.02 % | as of Apr 30, 2026 ↗ | |
| Dimensional U.S. Core Equity 2 ETF Dimensional ETF Trust | 880 | 4.2K $ | 0.01 % | as of Apr 30, 2026 ↗ | |
| 1290 VT Micro Cap Portfolio EQ Advisors Trust | 776 | 3.7K $ | 0.00 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Dimensional U.S. Small Cap ETF Dimensional ETF Trust | 135 | 644 $ | 0.00 % | as of Apr 30, 2026 ↗ |
The funds most exposed to it
The weight is the share of a fund's net assets. The holders table ranks funds by number of shares. This one ranks them by the weight of the company in each fund.
| Fund | Weight in fund | |
|---|---|---|
| Ultra-Small Company Fund Bridgeway Funds, Inc. | 0.10 % | as of Mar 31, 2026 ↗ |
| Ultra-Small Company Market Fund Bridgeway Funds, Inc. | 0.05 % | as of Mar 31, 2026 ↗ |
| VIP Disciplined Small Cap Portfolio Variable Insurance Products Fund II | 0.01 % | as of Mar 31, 2026 ↗ |
| iShares Micro-Cap ETF iShares Trust | 0.00 % | as of Mar 31, 2026 ↗ |
| 1290 VT Micro Cap Portfolio EQ Advisors Trust | 0.00 % | as of Mar 31, 2026 ↗ |
| Fidelity Extended Market Index Fund Fidelity Concord Street Trust | 0.00 % | as of Feb 28, 2026 ↗ |
| Dimensional US Core Equity 1 ETF Dimensional ETF Trust | 0.00 % | as of Apr 30, 2026 ↗ |
| VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 0.00 % | as of Mar 31, 2026 ↗ |
| Fidelity Nasdaq Composite Index Fund Fidelity Concord Street Trust | 0.00 % | as of Feb 28, 2026 ↗ |
Quarter after quarter
Each row is one quarter of SEC filings, newest first. The change compares each quarter with the one before.
| Quarter | Shareholders | Change | Shares | Change |
|---|---|---|---|---|
| 2026Q2 | 16 | -4 | 333,557 | +6.7 % |
| 2026Q1 | 20 | +5 | 312,630 | +19.2 % |
| 2025Q4 | 15 | +3 | 262,359 | -6.2 % |
| 2025Q3 | 12 | +1 | 279,804 | +3.3 % |
| 2025Q2 | 11 | -1 | 270,931 | +7.2 % |
| 2025Q1 | 12 | -5 | 252,624 | -11.1 % |
| 2024Q4 | 17 | -34 | 284,256 | -24.9 % |
| 2024Q3 | 51 | 378,374 |
Institutional managers
30 managers declare this company to the SEC (Form 13F). The table shows the 25 largest.
| Manager | Shares | Value | |
|---|---|---|---|
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 700,000 | 3.3M $ | as of Mar 31, 2026 |
| Redmile Group, LLC | 441,701 | 2.1M $ | as of Mar 31, 2026 |
| MACKENZIE FINANCIAL CORP | 313,620 | 1.5M $ | as of Mar 31, 2026 |
| Point72 Asset Management, L.P. | 194,264 | 918.9K $ | as of Mar 31, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | 130,910 | 617 $ | as of Mar 31, 2026 |
| EcoR1 Capital, LLC | 99,593 | 471.1K $ | as of Mar 31, 2026 |
| BlackRock, Inc. | 79,022 | 373.8K $ | as of Mar 31, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | 66,146 | 313K $ | as of Mar 31, 2026 |
| UBS Group AG | 50,070 | 236.8K $ | as of Mar 31, 2026 |
| STALEY CAPITAL ADVISERS INC | 50,000 | 236.5K $ | as of Mar 31, 2026 |
| MILLENNIUM MANAGEMENT LLC | 47,689 | 225.6K $ | as of Mar 31, 2026 |
| JANE STREET GROUP, LLC | 33,870 | 160.2K $ | as of Mar 31, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 32,691 | 154.6K $ | as of Mar 31, 2026 |
| STATE STREET CORP | 26,453 | 125.1K $ | as of Mar 31, 2026 |
| FMR LLC | 16,238 | 76.8K $ | as of Mar 31, 2026 |
| NORTHERN TRUST CORP | 12,340 | 58.4K $ | as of Mar 31, 2026 |
| MORGAN STANLEY | 9,169 | 43.4K $ | as of Mar 31, 2026 |
| ROYAL BANK OF CANADA | 4,319 | 20K $ | as of Mar 31, 2026 |
| SBI Securities Co., Ltd. | 1,574 | 7.4K $ | as of Mar 31, 2026 |
| JONES FINANCIAL COMPANIES LLLP | 703 | 3.2K $ | as of Mar 31, 2026 |
| WELLS FARGO & COMPANY/MN | 251 | 1.2K $ | as of Mar 31, 2026 |
| JPMORGAN CHASE & CO | 216 | 933 $ | as of Mar 31, 2026 |
| Banque Transatlantique SA | 176 | 906 $ | as of Mar 31, 2026 |
| RHUMBLINE ADVISERS | 175 | 827 $ | as of Mar 31, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | 58 | 274 $ | as of Mar 31, 2026 |
Declared shareholders of Atara Biotherapeutics Inc
There are 4 beneficial ownership filings. These stakes do not add up. An asset manager that files includes its own funds, which already appear among the funds on this page.
| Shareholder | Declared stake | Shares | |
|---|---|---|---|
| EcoR1 Capital, LLC and 2 others | 17.40 % | 1,552,000 | as of May 7, 2026 · SCHEDULE 13G |
| Redmile Group, LLC and 3 others | 9.90 % | 950,994 | as of May 12, 2026 · SCHEDULE 13D |
| Adage Capital Management, L.P. and 2 others | 8.56 % | 700,000 | as of Mar 31, 2026 · SCHEDULE 13G |
| Point72 Asset Management, L.P. and 2 others | 6.20 % | 526,682 | as of May 7, 2026 · SCHEDULE 13G |
Cite this page
Titelia. "Fund shareholders of Atara Biotherapeutics Inc". https://titelia.com/en/stocks/atara-biotherapeutics-inc-US0465132068