MetaCap

REGENXBIO (RGNX) vs Tectonic Therapeutic (TECX)

Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.

Summary

Tectonic Therapeutic (TECX) has outperformed REGENXBIO (RGNX) over the past year, gaining 52.3% versus a loss of 27.7%. Over five years, TECX leads with a -67.4% price change compared with -78.9% for RGNX. REGENXBIO is the larger company by market cap ($514.6 million vs $430.2 million), about 1.2 times the size.

Summary generated from market data by MetaCap's automated system. Methodology

Relative performance

RGNX-27.74%TECX+52.31%
+164%+54%-56%
Oct 7, 20251 yearOct 7, 2026
RGNX-76.02%TECX-65.84%
+29%-37%-104%
Oct 4, 20215 yearsOct 5, 2026

Percent change in share price from the first common trading day shown; excludes dividends.

Head-to-head

RGNX versus TECX key metrics
MetricRGNXTECX
Share price$7.80$22.01
Market cap$514.57M$430.18M
1-day change+2.63%-3.11%
YTD return-47.26%+8.87%
1-year return-27.74%+52.31%
5-year return-78.87%-67.37%
EPS (TTM)$-3.78$-4.57
Dividend yield0.00%0.00%
Annual dividend$0.00$0.00
52-week high$16.19$39.53
52-week low$5.46$15.32
Distance from 52-week high-51.85%-44.33%
Analyst consensusbuystrong_buy
Avg. price target upside+202.50%+248.24%
Average volume1.52M220.39K
Shares outstanding66.01M19.55M
Employees37160
SectorHealth CareHealth Care
IndustryBiotechnology: Biological Products (No Diagnostic Substances)Biotechnology: Biological Products (No Diagnostic Substances)

Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.

Key differences

  • TECX has outperformed RGNX by 80.0 percentage points over the past year.

About REGENXBIO

RGNX stock →

REGENXBIO Inc., a clinical-stage biotechnology company, provides gene therapies that deliver functional genes to cells with genetic defects in the United States. Its gene therapy product candidates are based on NAV Technology Platform, a proprietary adeno-associated virus gene delivery platform.

Health Care · Biotechnology: Biological Products (No Diagnostic Substances) · 371 employees

About Tectonic Therapeutic

TECX stock →

Tectonic Therapeutic, Inc., a biotechnology company, focuses on the discovery and development of therapeutic proteins and antibodies to modulate the activity of G protein coupled receptors (GPCRs). It develops GEODe technology platform to enable the discovery and development of GPCR-targeted biologic medicines.

Health Care · Biotechnology: Biological Products (No Diagnostic Substances) · 60 employees

RGNX vs TECX FAQ

Which is bigger, REGENXBIO or Tectonic Therapeutic?

REGENXBIO (RGNX) is larger, with a market capitalization of $514.57M compared with $430.18M for Tectonic Therapeutic (TECX).

Which stock has performed better over the past year, RGNX or TECX?

TECX returned +52.31% over the past 12 months, compared with -27.74% for RGNX (price return, excluding dividends). Past performance does not predict future results.

Are REGENXBIO and Tectonic Therapeutic in the same industry?

Yes. Both are classified in the Biotechnology: Biological Products (No Diagnostic Substances) industry within the Health Care sector.

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