Also trades as: 0HIY.L (LSE) · $vol 0M
ATRA Smart Money
Atara Biotherapeutics, Inc.
1W: -9.4%
1M: -0.8%
3M: +3.0%
YTD: -53.3%
1Y: -42.7%
3Y: -75.8%
5Y: -97.8%
$8.30
-0.05 (-0.60%)
Pre-Market: $8.67 (+0.37, +4.46%)
Weekly Expected Move ±10.1%
$7
$8
$9
$9
$10
Credit Risk of going bust: higher than 91% of companies Debt: 10.6% of company value Bonds: none of note held by US funds details ▾
Of US companies ranked in the riskiest tenth, about 1 in 20 filed for bankruptcy within a year (2020-2025).
If the stock fell to about $0.25 (down 97%), Atara Biotherapeutics, Inc. would be worth roughly what it owes.
Total debt $9.9M against a stock market value of $83.3M.
Distance to default 1.49 (Merton model): prices to 2026-10-27, balance sheet 2026-06-30, debt counted $4.9M (short-term plus half of long-term), stock volatility 142.0%; Altman Z'' -317.91. A ranking and a back-test, not a forecast.
US fund filings (SEC N-PORT) show under $25M of this company's bonds, so there is no bond page. Its debt may be bank loans or privately placed. How these are computed.
If the stock fell to about $0.25 (down 97%), Atara Biotherapeutics, Inc. would be worth roughly what it owes.
Total debt $9.9M against a stock market value of $83.3M.
Distance to default 1.49 (Merton model): prices to 2026-10-27, balance sheet 2026-06-30, debt counted $4.9M (short-term plus half of long-term), stock volatility 142.0%; Altman Z'' -317.91. A ranking and a back-test, not a forecast.
US fund filings (SEC N-PORT) show under $25M of this company's bonds, so there is no bond page. Its debt may be bank loans or privately placed. How these are computed.
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🏦 Institutional Activity
Latest: Q2 202638
Institutions Holding
-10 vs prior
61.0%
Ownership
+47.22%
4
New
12
Increased
10
Reduced
2
Closed
👔 Insider Trades
25 records| Date | Name | Title | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-09-04 | Cherry Brian N | director | P-Purchase | 104,166 | $9.60 | $1000K | Filing |
| 2026-08-17 | Nguyen AnhCo | officer: president and ceo | S-Sale | 5,062 | $8.08 | $41K | Filing |
| 2026-07-22 | Green Jeremy | director | F-Tax Withholding | 60 | $— | $0 | Filing |
| 2026-07-22 | Redmile Group, LLC | director | F-Tax Withholding | 60 | $— | $0 | Filing |
| 2026-07-22 | Green Jeremy | director | M-Option Exercise | 195,211 | $— | $0 | Filing |
| 2026-07-22 | Redmile Group, LLC | director | M-Option Exercise | 195,211 | $— | $0 | Filing |
| 2026-06-11 | Cherry Brian N | director | A-Grant/Award | 24,000 | $— | $0 | Filing |
| 2026-06-09 | Ciongoli Gregory Austin | director | A-Grant/Award | 12,000 | $— | $0 | Filing |
| 2026-06-09 | Fust Matthew K | director | A-Grant/Award | 12,000 | $— | $0 | Filing |
| 2026-06-09 | HEIDEN WILLIAM K | director | A-Grant/Award | 12,000 | $— | $0 | Filing |
| 2026-05-18 | Nguyen AnhCo | officer: president and ceo | S-Sale | 5,241 | $9.13 | $48K | Filing |
| 2026-05-18 | Grant-Huerta Yanina | officer: chief accounting officer | S-Sale | 2,414 | $9.13 | $22K | Filing |
| 2026-05-07 | EcoR1 Capital, LLC | 10% owner | P-Purchase | 507,407 | $9.35 | $4.7M | Filing |
| 2026-05-07 | Huang James | director | S-Sale | 313,446 | $10.10 | $3.2M | Filing |
| 2026-05-07 | Panacea Innovation Ltd | 10% owner | S-Sale | 313,446 | $10.10 | $3.2M | Filing |
| 2026-03-02 | Grant-Huerta Yanina | officer: chief accounting officer | S-Sale | 24 | $5.08 | $122 | Filing |
| 2026-03-02 | Nguyen AnhCo | officer: president and ceo | S-Sale | 1,442 | $5.09 | $7K | Filing |
| 2026-03-02 | Nguyen AnhCo | officer: president and ceo | S-Sale | 1,298 | $5.09 | $7K | Filing |
| 2026-03-02 | Nguyen AnhCo | officer: president and ceo | S-Sale | 58 | $5.08 | $295 | Filing |
| 2026-03-02 | Nguyen AnhCo | officer: president and ceo | S-Sale | 198 | $5.08 | $1K | Filing |
| 2026-03-02 | Grant-Huerta Yanina | officer: chief accounting officer | S-Sale | 100 | $5.08 | $508 | Filing |
| 2026-03-02 | Grant-Huerta Yanina | officer: chief accounting officer | S-Sale | 377 | $5.08 | $2K | Filing |
| 2026-03-02 | Grant-Huerta Yanina | officer: chief accounting officer | S-Sale | 1,603 | $5.08 | $8K | Filing |
| 2026-01-12 | Huang James | director | S-Sale | 80,554 | $6.07 | $489K | Filing |
| 2026-01-12 | Panacea Innovation Ltd | 10% owner | S-Sale | 80,554 | $6.07 | $489K | Filing |
🏛️ Congressional Trades
0 records| Date | Politician | Chamber | Type | Amount | Filing |
|---|---|---|---|---|---|
| No congressional trades found | |||||
🏦 Top Institutional Holders
20 holders| Holder | Shares | Value | Date Reported | Filing | |
|---|---|---|---|---|---|
| EcoR1 Capital, LLC | 1,552,000 | $18M | +1,452,407 | 2026-06-30 | Filing |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 850,000 | $10M | +150,000 | 2026-06-30 | Filing |
| Point72 Asset Management, L.P. | 687,718 | $8M | +493,454 | 2026-06-30 | Filing |
| Redmile Group, LLC | 441,701 | $5M | — | 2026-06-30 | Filing |
| VANGUARD CAPITAL MANAGEMENT LLC | 247,047 | $3M | +29,185 | 2026-06-30 | Filing |
| MACKENZIE FINANCIAL CORP | 233,249 | $3M | -80,371 | 2026-06-30 | Filing |
| BlackRock, Inc. | 84,455 | $970K | +5,433 | 2026-06-30 | Filing |
| GEODE CAPITAL MANAGEMENT, LLC | 75,128 | $863K | +8,982 | 2026-06-30 | Filing |
| STALEY CAPITAL ADVISERS INC | 50,000 | $574K | — | 2026-06-30 | Filing |
| VANGUARD FIDUCIARY TRUST CO | 43,036 | $494K | +9,415 | 2026-06-30 | Filing |
| JANE STREET GROUP, LLC | 30,345 | $348K | -3,525 | 2026-06-30 | Filing |
| STATE STREET CORP | 26,453 | $304K | — | 2026-06-30 | Filing |
| NORTHERN TRUST CORP | 16,591 | $190K | +4,251 | 2026-06-30 | Filing |
| FMR LLC | 16,238 | $186K | — | 2026-06-30 | Filing |
| XTX Topco Ltd | 15,303 | $176K | +15,303 | 2026-06-30 | Filing |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 14,000 | $161K | -18,691 | 2026-06-30 | Filing |
| MILLENNIUM MANAGEMENT LLC | 12,680 | $146K | -35,009 | 2026-06-30 | Filing |
| CITADEL ADVISORS LLC | 10,159 | $117K | +10,159 | 2026-06-30 | Filing |
| MORGAN STANLEY | 9,178 | $105K | +9 | 2026-06-30 | Filing |
| ROYAL BANK OF CANADA | 4,743 | $55K | +424 | 2026-06-30 | Filing |