Is SGMT or SION more undervalued in 2026?

CirclFi compares Sagimet Biosciences Inc. - Seri (SGMT) and Sionna Therapeutics, Inc. (SION) using 13 institutional-grade valuation models. SGMT has a Quality of Company score of 3.8/10 while SION scores 4.3/10.

Which is a better buy — SGMT or SION?

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 SGMT and SION valuations compare?

SGMT at $7.27 and SION at $42.80 are compared across Bayesian DCF, EPV, EROIC Spread, First Chicago, Markov DDM, and 8 additional models.

SGMT vs SION Valuation Comparison 2026 — Intrinsic Value Analysis

SGMT

Biotechnology

Sagimet Biosciences Inc. - Seri

Quality

3.8

out of 10

Value Trap

SAFE

Price

$7.27

Last close

Models

7/13

Active

SION

Biotechnology

Sionna Therapeutics, Inc.

Quality

4.3

out of 10

Value Trap

—

Price

$42.80

Last close

Models

10/13

Active

Model-by-Model Comparison

Model	Type	SGMT Fair Value	SGMT Upside	SION Fair Value	SION Upside
Bayesian DCF	Intrinsic	$2.28	-68.7%	$8.06	-81.2%
Earnings Power Value	Intrinsic	—	—	$15.97	-58.1%
EROIC Spread	Intrinsic	$•••.••	••.•%	$•••.••	••.•%
First Chicago	Scenario	$•••.••	••.•%	$•••.••	••.•%
Markov DDM	Intrinsic	$•••.••	••.•%	$•••.••	••.•%
ML-RIV	Intrinsic	$0.92	-87.4%	$2.07	-94.7%
Dynamic NAV	Asset-Based	$•••.••	••.•%	$•••.••	••.•%
PWERM	Option-Based	$•••.••	••.•%	$•••.••	••.•%
Sentiment SOTP	Hybrid	$•••.••	••.•%	$•••.••	••.•%
CUCE Ensemble	Ensemble	$•••.••	••.•%	$•••.••	••.•%

🔒

Unlock Full 13-Model Comparison

Access all valuation models for SGMT vs SION — including EROIC Spread, First Chicago, Markov DDM, PWERM, and 7 more.

Access Full Analysis — From $27/mo →

SGMT vs SION — Which Stock Is More Undervalued?

SION scores higher with a 4.3/10 quality rating vs SGMT's 3.8/10. Both stocks are analyzed daily using SEC EDGAR filings across 13 independent models.

Comparing Sagimet Biosciences Inc. - Seri (SGMT) and Sionna Therapeutics, Inc. (SION) 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.

SGMT currently trades at $7.27 with a QOC of 3.8/10, while SION trades at $42.80 with a QOC of 4.3/10.

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).