ATRA vs AVIR

Atara Biotherapeutics, Inc. vs Atea Pharmaceuticals, Inc. — Valuation Comparison 2026

By CirclFi Research Team · Updated 2026-06-03 · Data from SEC EDGAR, FRED & GDELT

Quick Summary — ATRA scores higher on quality with 4.8/10 vs AVIR's 4.2/10. ATRA trades at $9.90 while AVIR trades at $4.27. Both analyzed daily using SEC EDGAR data across 13 institutional models.

ATRA

Biotechnology
Atara Biotherapeutics, Inc.
Quality
4.8
out of 10
Value Trap
18
SAFE
Price
$9.90
Last close
Models
11/13
Active
VS

AVIR

Biotechnology
Atea Pharmaceuticals, Inc.
Quality
4.2
out of 10
Value Trap
24
SAFE
Price
$4.27
Last close
Models
8/13
Active
ATRA
Earnings Power Value sees +496.1% upside
Quality 4.8/10 — below average
AVIR
2 models active
Quality 4.2/10 — below average

ATRA vs AVIR — Fair Value Comparison

ATRA
$0$20$39$59 Price$9.90 Bayesian …$1.98 (-80.0%) Earnings …$49.72 (+496.1%)
AVIR
$0$2$3$5 Price$4.27 Bayesian …$1.37 (-68.0%) ML-RIV$0.59 (-89.4%)
Market Price Model 1 Model 2

Model-by-Model Comparison

ModelType ATRA Fair ValueATRA Upside AVIR Fair ValueAVIR Upside
Bayesian DCF Intrinsic $1.98 -80.0% $1.37 -68.0%
Earnings Power Value Intrinsic $49.72 +496.1%
EROIC Spread Intrinsic $•••.•• ••.•% $•••.•• ••.•%
First Chicago Scenario $•••.•• ••.•% $•••.•• ••.•%
Markov DDM Intrinsic $•••.•• ••.•% $•••.•• ••.•%
ML-RIV Intrinsic $0.59 -89.4%
Dynamic NAV Asset-Based $•••.•• ••.•% $•••.•• ••.•%
PWERM Option-Based $•••.•• ••.•% $•••.•• ••.•%
Regime Cross-Sectional Relative $•••.•• ••.•% $•••.•• ••.•%
Sentiment SOTP Hybrid $•••.•• ••.•% $•••.•• ••.•%
CUCE Ensemble Ensemble $•••.•• ••.•% $•••.•• ••.•%
FTNN Topology Relative $•••.•• ••.•% $•••.•• ••.•%
RCMH-DCF Intrinsic $•••.•• ••.•% $•••.•• ••.•%

ATRA vs AVIR — Which Stock Is More Undervalued in 2026?

ATRA scores higher with a 4.8/10 quality rating vs AVIR's 4.2/10. Both stocks are analyzed daily using SEC EDGAR filings across 13 independent models.

How Do ATRA and AVIR Valuations Compare?

At $9.90, ATRA trades +80.0% above its Bayesian DCF fair value of $1.98, while AVIR at $4.27 trades +68.0% above its estimate of $1.37. ATRA shows a wider gap between price and intrinsic value.

Quality of Company: ATRA vs AVIR

ATRA earns a Quality of Company score of 4.8/10 compared to AVIR's 4.2/10. The scores are closely matched, indicating similar fundamental quality profiles. The QOC score synthesizes 32 signals spanning profitability margins, revenue growth, free cash flow, capital allocation, and leverage.

Value Trap Risk: ATRA vs AVIR

ATRA carries a SAFE value trap risk (18/100) while AVIR shows SAFE risk (24/100). Both companies show manageable value trap risk, suggesting their current valuations are not artificially depressed by fundamental deterioration.

Both in Biotechnology

Both ATRA and AVIR operate in Biotechnology, which has 566 stocks tracked by CirclFi. Same-industry comparisons provide the most direct insight into relative valuation since both companies face similar regulatory environments, market dynamics, and competitive pressures. 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), and ensemble methods (CUCE).

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