How have ATRA and PMN total returns compared?

Over the past 10 years, ATRA delivered -32.27% and PMN delivered -22.51% annualized total return. Past performance doesn't predict future results.

Atara Biotherapeutics, Inc. (ATRA) vs ProMIS Neurosciences, Inc. (PMN)

A side-by-side comparison of Atara Biotherapeutics, Inc. and ProMIS Neurosciences, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 6, 2026. Differences are shown without an overall score or investment verdict.

ATRA

Atara Biotherapeutics, Inc.

$86M

$9.58HealthcareDelayed quote: Oct 6, 2026, 3:59 PM EDT

PMN

ProMIS Neurosciences, Inc.

$83M

$9.21HealthcareDelayed quote: Oct 6, 2026, 4:00 PM EDT

Total return — ATRA vs PMN

growth of $100 · dividends reinvested · last 10y

ATRA -98.0% (-32.3%/yr)PMN -92.2% (-22.5%/yr)PMN compounded faster over this window

ATRA PMN

ATRA vs PMN: by the numbers

•ATRA is the larger company ($86M vs $83M market cap).
•Both run net losses; PMN's is the smaller (0.00% vs -269.42% net margin).

Metrics side by side

Valuation

Metric	ATRA	PMN
P/S ratio	13.94	N/A
P/B ratio	N/A	1.67

Profitability

Metric	ATRA	PMN
Gross margin	82.44%	0.00%
Operating margin	29.69%	0.00%
Net margin	-269.42%	0.00%
ROE	N/A	-85.48%
ROIC	-100.35%	-87.79%

Growth (annualized)

Metric	ATRA	PMN
Revenue CAGR (5Y)	56.10%	N/A
Total return CAGR (5Y)	-53.60%	-47.05%

Frequently asked

How have ATRA and PMN total returns compared?: Over the past 10 years, ATRA delivered -32.27% and PMN delivered -22.51% annualized total return. Past performance doesn't predict future results.

Go deeper

Full ATRA analysis Full PMN analysis Interactive comparison tool

Dig into the metrics

Atara Biotherapeutics ROE ProMIS Neurosciences ROE Atara Biotherapeutics operating margin ProMIS Neurosciences operating margin Atara Biotherapeutics revenue growth ProMIS Neurosciences revenue growth Atara Biotherapeutics free cash flow ProMIS Neurosciences free cash flow

Atara Biotherapeutics & ProMIS Neurosciences appear in these rankings

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Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified October 6, 2026.