Is RAPP or REGN more undervalued in 2026?

CirclFi compares Rapport Therapeutics, Inc. (RAPP) and Regeneron Pharmaceuticals, Inc. (REGN) using 13 institutional-grade valuation models. RAPP has a Quality of Company score of 4.2/10 while REGN scores 9.6/10.

Which is a better buy — RAPP or REGN?

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 RAPP and REGN valuations compare?

RAPP at $39.49 and REGN at $621.52 are compared across Bayesian DCF, EPV, EROIC Spread, First Chicago, Markov DDM, and 8 additional models.

RAPP vs REGN Valuation Comparison 2026 — Intrinsic Value Analysis

RAPP

Biotechnology

Rapport Therapeutics, Inc.

Quality

4.2

out of 10

Value Trap

SAFE

Price

$39.49

Last close

Models

8/13

Active

REGN

Biotechnology

Regeneron Pharmaceuticals, Inc.

Quality

9.6

out of 10

Value Trap

SAFE

Price

$621.52

Last close

Models

13/13

Active

Model-by-Model Comparison

Model	Type	RAPP Fair Value	RAPP Upside	REGN Fair Value	REGN Upside
Bayesian DCF	Intrinsic	$11.30	-71.4%	$613.30	-1.3%
Earnings Power Value	Intrinsic	—	—	$256.47	-58.7%
EROIC Spread	Intrinsic	$•••.••	••.•%	$•••.••	••.•%
First Chicago	Scenario	$•••.••	••.•%	$•••.••	••.•%
Markov DDM	Intrinsic	$•••.••	••.•%	$•••.••	••.•%
ML-RIV	Intrinsic	$3.93	-90.0%	$589.66	-5.1%
Dynamic NAV	Asset-Based	$•••.••	••.•%	$•••.••	••.•%
PWERM	Option-Based	$•••.••	••.•%	$•••.••	••.•%
Regime Cross-Sectional	Relative	$•••.••	••.•%	$•••.••	••.•%
Sentiment SOTP	Hybrid	$•••.••	••.•%	$•••.••	••.•%
CUCE Ensemble	Ensemble	$•••.••	••.•%	$•••.••	••.•%
FTNN Topology	Relative	$•••.••	••.•%	$•••.••	••.•%
RCMH-DCF	Intrinsic	$•••.••	••.•%	$•••.••	••.•%

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RAPP vs REGN — Which Stock Is More Undervalued?

REGN scores higher with a 9.6/10 quality rating vs RAPP's 4.2/10. Both stocks are analyzed daily using SEC EDGAR filings across 13 independent models.

Comparing Rapport Therapeutics, Inc. (RAPP) and Regeneron Pharmaceuticals, Inc. (REGN) 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.

RAPP currently trades at $39.49 with a QOC of 4.2/10, while REGN trades at $621.52 with a QOC of 9.6/10.

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).