Is RARE or REVB more undervalued in 2026?

CirclFi compares Ultragenyx Pharmaceutical Inc. (RARE) and Revelation Biosciences, Inc. (REVB) using 13 institutional-grade valuation models. RARE has a Quality of Company score of 6.3/10 while REVB scores 4.1/10.

Which is a better buy — RARE or REVB?

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 RARE and REVB valuations compare?

RARE at $23.26 and REVB at $1.10 are compared across Bayesian DCF, EPV, EROIC Spread, First Chicago, Markov DDM, and 8 additional models.

RARE vs REVB Valuation Comparison 2026 — Intrinsic Value Analysis

RARE

Biotechnology

Ultragenyx Pharmaceutical Inc.

Quality

6.3

out of 10

Value Trap

SAFE

Price

$23.26

Last close

Models

12/13

Active

REVB

Biotechnology

Revelation Biosciences, Inc.

Quality

4.1

out of 10

Value Trap

LOW

Price

$1.10

Last close

Models

7/13

Active

Model-by-Model Comparison

Model	Type	RARE Fair Value	RARE Upside	REVB Fair Value	REVB Upside
Bayesian DCF	Intrinsic	$7.84	-66.3%	$2.20	+99.8%
Earnings Power Value	Intrinsic	$16.16	-32.9%	—	—
EROIC Spread	Intrinsic	$•••.••	••.•%	$•••.••	••.•%
First Chicago	Scenario	$•••.••	••.•%	$•••.••	••.•%
Markov DDM	Intrinsic	$•••.••	••.•%	$•••.••	••.•%
ML-RIV	Intrinsic	$•••.••	••.•%	$•••.••	••.•%
Dynamic NAV	Asset-Based	$1.44	-93.8%	$5.68	+416.4%
PWERM	Option-Based	$•••.••	••.•%	$•••.••	••.•%
Regime Cross-Sectional	Relative	$•••.••	••.•%	$•••.••	••.•%
Sentiment SOTP	Hybrid	$•••.••	••.•%	$•••.••	••.•%
CUCE Ensemble	Ensemble	$•••.••	••.•%	$•••.••	••.•%
FTNN Topology	Relative	$•••.••	••.•%	$•••.••	••.•%

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RARE vs REVB — Which Stock Is More Undervalued?

RARE scores higher with a 6.3/10 quality rating vs REVB's 4.1/10. Both stocks are analyzed daily using SEC EDGAR filings across 13 independent models.

Comparing Ultragenyx Pharmaceutical Inc. (RARE) and Revelation Biosciences, Inc. (REVB) 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.

RARE currently trades at $23.26 with a QOC of 6.3/10, while REVB trades at $1.10 with a QOC of 4.1/10.

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).