Is NAUT or NBTX more undervalued in 2026?

CirclFi compares Nautilus Biotechnology, Inc. (NAUT) and Nanobiotix S.A. (NBTX) using 13 institutional-grade valuation models. NAUT has a Quality of Company score of 4.3/10 while NBTX scores 5.0/10.

Which is a better buy — NAUT or NBTX?

Compare intrinsic values from 13 independent models against current market prices. CirclFi also calculates Value Trap scores. This is not financial advice — conduct your own analysis.

How do NAUT and NBTX valuations compare?

NAUT at $2.60 and NBTX at $40.41 are compared across Bayesian DCF, EPV, EROIC Spread, First Chicago, Markov DDM, and 8 additional models.

NAUT vs NBTX Valuation Comparison 2026 — Intrinsic Value Analysis

NAUT

Biotechnology

Nautilus Biotechnology, Inc.

Quality

4.3

out of 10

Value Trap

SAFE

Price

$2.60

Last close

Models

7/13

Active

NBTX

Biotechnology

Nanobiotix S.A.

Quality

5.0

out of 10

Value Trap

SAFE

Price

$40.41

Last close

Models

6/13

Active

Model-by-Model Comparison

Model	Type	NAUT Fair Value	NAUT Upside	NBTX Fair Value	NBTX Upside
Bayesian DCF	Intrinsic	$0.67	-74.3%	$9.06	-77.6%
First Chicago	Scenario	$•••.••	••.•%	$•••.••	••.•%
ML-RIV	Intrinsic	$•••.••	••.•%	$•••.••	••.•%
Dynamic NAV	Asset-Based	$0.86	-67.0%	—	—
PWERM	Option-Based	$2.54	-2.2%	$40.14	-0.7%
Regime Cross-Sectional	Relative	$•••.••	••.•%	$•••.••	••.•%
Sentiment SOTP	Hybrid	$•••.••	••.•%	$•••.••	••.•%
CUCE Ensemble	Ensemble	$•••.••	••.•%	$•••.••	••.•%

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NAUT vs NBTX — Which Stock Is More Undervalued?

NBTX scores higher with a 5.0/10 quality rating vs NAUT's 4.3/10. Both stocks are analyzed daily using SEC EDGAR filings across 13 independent models.

Comparing Nautilus Biotechnology, Inc. (NAUT) and Nanobiotix S.A. (NBTX) across 13 institutional-grade valuation models reveals how each company's intrinsic value stacks up against its market price. CirclFi's engine processes SEC EDGAR 10-K and 10-Q filings, FRED macroeconomic data, and GDELT news sentiment to generate independent fair value estimates daily.

NAUT currently trades at $2.60 with a QOC of 4.3/10, while NBTX trades at $40.41 with a QOC of 5.0/10.

Both companies are analyzed with models spanning intrinsic (Bayesian DCF, EPV), scenario-based (First Chicago), regime-switching (Markov DDM, RCMH-DCF), machine learning (ML-RIV, FTNN Topology), and ensemble methods (CUCE).