Is ISTR or JMSB more undervalued in 2026?

CirclFi compares Investar Holding Corporation (ISTR) and John Marshall Bancorp, Inc. (JMSB) using 13 institutional-grade valuation models. ISTR has a Quality of Company score of 7.2/10 while JMSB scores 8.4/10.

Which is a better buy — ISTR or JMSB?

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 ISTR and JMSB valuations compare?

ISTR at $28.28 and JMSB at $21.22 are compared across Bayesian DCF, EPV, EROIC Spread, First Chicago, Markov DDM, and 8 additional models.

ISTR vs JMSB Valuation Comparison 2026 — Intrinsic Value Analysis

ISTR

Banks - Regional

Investar Holding Corporation

Quality

7.2

out of 10

Value Trap

SAFE

Price

$28.28

Last close

Models

12/13

Active

JMSB

Banks - Regional

John Marshall Bancorp, Inc.

Quality

8.4

out of 10

Value Trap

SAFE

Price

$21.22

Last close

Models

11/13

Active

Model-by-Model Comparison

Model	Type	ISTR Fair Value	ISTR Upside	JMSB Fair Value	JMSB Upside
Bayesian DCF	Intrinsic	$12.07	-57.3%	$12.85	-39.5%
Earnings Power Value	Intrinsic	$19.83	-29.9%	$16.00	-24.6%
EROIC Spread	Intrinsic	$•••.••	••.•%	$•••.••	••.•%
First Chicago	Scenario	$•••.••	••.•%	$•••.••	••.•%
Markov DDM	Intrinsic	$•••.••	••.•%	$•••.••	••.•%
ML-RIV	Intrinsic	$•••.••	••.•%	$•••.••	••.•%
Dynamic NAV	Asset-Based	$•••.••	••.•%	$•••.••	••.•%
Regime Cross-Sectional	Relative	$•••.••	••.•%	$•••.••	••.•%
Sentiment SOTP	Hybrid	$•••.••	••.•%	$•••.••	••.•%
CUCE Ensemble	Ensemble	$•••.••	••.•%	$•••.••	••.•%
FTNN Topology	Relative	$•••.••	••.•%	$•••.••	••.•%
RCMH-DCF	Intrinsic	$•••.••	••.•%	$•••.••	••.•%

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ISTR vs JMSB — Which Stock Is More Undervalued?

JMSB scores higher with a 8.4/10 quality rating vs ISTR's 7.2/10. Both stocks are analyzed daily using SEC EDGAR filings across 13 independent models.

Comparing Investar Holding Corporation (ISTR) and John Marshall Bancorp, Inc. (JMSB) 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.

ISTR currently trades at $28.28 with a QOC of 7.2/10, while JMSB trades at $21.22 with a QOC of 8.4/10.

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).