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Atara Biotherapeutics, Inc. ATRA

Nasdaq · stock · Biological Products, (No Diagnostic Substances) · website · IPO 2014-10-16 · LEI

Atara Biotherapeutics, Inc. statistics & valuation

Market cap$94.7M
P / E2.9×
P / S0.8×
Net margin27.1%
FCF margin-42.2%

Market cap as of 2026-06-29. Multiples are price-derived and refreshed daily; everything else from the latest financial reports.

Profitability & efficiency

Net margin (%)
-359.10% -3220.90% -66.20% 27.10% 2016201720182019202020212022202320242025
Gross margin (%)
2016201720182019202020212022202320242025
Operating margin (%)
-441.20% -3219.50% -64.70% 29.70% 2016201720182019202020212022202320242025
Return on equity (%)
-31.20% -67.20% -68.00% -100.10% -66.30% -121.60% -180.30% -278.30% 2016201720182019202020212022202320242025
Shares outstanding
28.9M 30.7M 46.0M 56.8M 83.4M 93.7M 102.0M 4.3M 7.5M 12.7M 2016201720182019202020212022202320242025
Net debt ($)
2016201720182019202020212022202320242025
Share buybacks ($)
2016201720182019202020212022202320242025
Return on assets (%)
-30.00% -54.90% -58.90% -84.80% -52.10% -72.70% -60.70% -166.80% -78.30% 161.50% 2016201720182019202020212022202320242025
Free cash flow margin (%)
-432.00% -2265.30% -53.50% -42.20% 2016201720182019202020212022202320242025
Debt / equity (×)
2016201720182019202020212022202320242025
EPS ($)
-$4.15 -$3.63 -$2.24 -$65.19 -$11.41 $2.57 2016201720182019202020212022202320242025

Margins and returns computed from annual filings. Falling shares outstanding = buybacks; rising = dilution. Net debt = debt − cash (negative = net cash).

Key ratios (by fiscal year)

RatioFY2025FY2024FY2023FY2022FY2021FY2020FY2019FY2018FY2017FY2016
Operating margin29.7%-64.7%-3219.5%-441.2%——————
Net margin27.1%-66.2%-3220.9%-359.1%——————
FCF margin-42.2%-53.5%-2265.3%-432.0%——————
Return on assets161.5%-78.3%-166.8%-60.7%-72.7%-52.1%-84.8%-58.9%-54.9%-30.0%
Return on equity-84.9%87.8%-278.3%-180.3%-121.6%-66.3%-100.1%-68.0%-67.2%-31.2%
Current ratio0.820.480.723.743.646.317.438.046.2326.93

Computed from company filings · US · as of 2025-12-31. Facts plus Stocktoria's own computed scores — not investment advice.