Is TECX or TNGX more undervalued in 2026?

CirclFi compares Tectonic Therapeutic, Inc. (TECX) and Tango Therapeutics, Inc. (TNGX) using 13 institutional-grade valuation models. TECX has a Quality of Company score of 4.3/10 while TNGX scores 7.0/10.

Which is a better buy — TECX or TNGX?

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 TECX and TNGX valuations compare?

TECX at $29.78 and TNGX at $20.00 are compared across Bayesian DCF, EPV, EROIC Spread, First Chicago, Markov DDM, and 8 additional models.

TECX vs TNGX Valuation Comparison 2026 — Intrinsic Value Analysis

TECX

Biotechnology

Tectonic Therapeutic, Inc.

Quality

4.3

out of 10

Value Trap

SAFE

Price

$29.78

Last close

Models

7/13

Active

TNGX

Biotechnology

Tango Therapeutics, Inc.

Quality

7.0

out of 10

Value Trap

SAFE

Price

$20.00

Last close

Models

12/13

Active

Model-by-Model Comparison

Model	Type	TECX Fair Value	TECX Upside	TNGX Fair Value	TNGX Upside
Bayesian DCF	Intrinsic	$14.84	-50.2%	$4.59	-77.1%
Earnings Power Value	Intrinsic	—	—	$0.90	-95.7%
EROIC Spread	Intrinsic	$•••.••	••.•%	$•••.••	••.•%
First Chicago	Scenario	$•••.••	••.•%	$•••.••	••.•%
Markov DDM	Intrinsic	$•••.••	••.•%	$•••.••	••.•%
ML-RIV	Intrinsic	$•••.••	••.•%	$•••.••	••.•%
Dynamic NAV	Asset-Based	$18.11	-39.2%	$2.69	-86.6%
PWERM	Option-Based	$•••.••	••.•%	$•••.••	••.•%
Regime Cross-Sectional	Relative	$•••.••	••.•%	$•••.••	••.•%
Sentiment SOTP	Hybrid	$•••.••	••.•%	$•••.••	••.•%
CUCE Ensemble	Ensemble	$•••.••	••.•%	$•••.••	••.•%
FTNN Topology	Relative	$•••.••	••.•%	$•••.••	••.•%

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TECX vs TNGX — Which Stock Is More Undervalued?

TNGX scores higher with a 7.0/10 quality rating vs TECX's 4.3/10. Both stocks are analyzed daily using SEC EDGAR filings across 13 independent models.

Comparing Tectonic Therapeutic, Inc. (TECX) and Tango Therapeutics, Inc. (TNGX) 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.

TECX currently trades at $29.78 with a QOC of 4.3/10, while TNGX trades at $20.00 with a QOC of 7.0/10.

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).