ATARA BIOTHERAPEUTICS INC COM NEW is a security (CUSIP 046513206) tracked across SEC portfolio filings. 33 institutional managers reported $14.4M on Form 13F as of 2026-06-30; 3 registered fund positions totaling $277K via N-PORT as of 2026-03-31.
Showing 15 of 33 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| VANGUARD GROUP INC | Valley Forge, PA | $4.1M | 225,940 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | Boston, MA | $3.3M | 700,000 |
| Redmile Group, LLC | San Francisco, CA | $2.1M | 441,701 |
| MACKENZIE FINANCIAL CORP | TORONTO ONTARIO, A6 | $1.5M | 313,620 |
| Point72 Asset Management, L.P. | Stamford, CT | $919K | 194,264 |
| EcoR1 Capital, LLC | San Francisco, CA | $471K | 99,593 |
| BlackRock, Inc. | New York, NY | $374K | 79,022 |
| GEODE CAPITAL MANAGEMENT, LLC | BOSTON, MA | $313K | 66,146 |
| UBS Group AG | Zurich, V8 | $237K | 50,070 |
| STALEY CAPITAL ADVISERS INC | PITTSBURGH, PA | $237K | 50,000 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $226K | 47,689 |
| JANE STREET GROUP, LLC | NEW YORK, NY | $160K | 33,870 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | HOUSTON, TX | $155K | 32,691 |
| STATE STREET CORP | BOSTON, MA | $125K | 26,453 |
| FMR LLC | BOSTON, MA | $77K | 16,238 |
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| VANGUARD EXTENDED MARKET INDEX FUND | VANGUARD INDEX FUNDS | $267K | 0.03% |
| VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND | VANGUARD INSTITUTIONAL INDEX FUNDS | $13K | 0.00% |
| Blackstone Alternative Multi-Strategy Fund | Blackstone Alternative Investment Funds | $-3K | -0.01% |