NASDAQ · TECXHealthcareBiotechnology

Tectonic Therapeutic, Inc. Common Stock (TECX)

$20.30+6.95%
Close Nov 4, 2026 · split-adjusted
Nov 4, 2026$20.30▲ 21.27% in range
Nov 4, 2025Low $16.44 · High $37.93Nov 4, 2026
What changed · written from our data
As of Nov 4, 2026

Tectonic Therapeutic closed at $20.30 on Nov 4, up 6.95%, 46.5% below its 52-week closing high. Volume of 221.8K shares was 1.25× its 20-day average (close to normal).

Split-adjusted performance: -9.4% over one month, -30.0% over six months, +15.9% over one year.

Short interest was 2.2M shares at the Oct 15 settlement (19.1% of float, 10.6 days to cover).

Market cap$396.9M19.5M shares
Revenue · quarter$0.00—
Diluted EPS$-1.18—
P/E · TTM—
Net margin—
Dividend yieldNone
52-week range16.44 – 37.93−46.5% from high
Volume221.8K1.25× 20-day avg
Volatility · 60d67.7%Annualised
Short % of float19.1%10.6 days to cover
Net cash$226.9MCash $227.1M
Next earnings—Not scheduled
Split-adjusted performance
1W −1.3%1M −9.4%3M −32.8%6M −30.0%YTD −2.7%1Y +15.9%3Y —5Y —

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Biotechnology

Percentile among 139 companies (100 = best)

6-month momentum42
Revenue growth—
Net margin—
Value (low P/E)—
Size61

Industry medians: 6-month return −19.2%, revenue growth +8.8%, net margin −312.9%, P/E 22.0×.

Short interest

Details →
Shares short2.2M+0.1% vs prior
Days to cover10.6Settled Oct 15
% of float19.1%
Short vol. 10d55.3%of daily volume

Closest peers by size in Biotechnology

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
TECXTectonic Therapeutic$20.30+6.95%−30.0%———$396.9M
ZURAZura Bio Limited$4.02+0.75%−17.8%———$387.2MCompare
CCCCC4 Therapeutics$3.12−2.80%+6.5%+2.8%−355.9%—$383.8MCompare
ALLOAllogene Therapeutics$1.19+6.25%−48.5%—−919.8%—$411.1MCompare
EDITEditas Medicine$2.72+4.62%−14.3%+232.3%−153.3%—$417.7MCompare
SRZNSurrozen$31.65+5.08%−7.3%+408.6%640.8%—$372.0MCompare
FENCFennec Pharmaceuticals$10.35−3.27%+44.2%+85.2%11.0%—$362.9MCompare
EIKNEikon Therapeutics$6.39+15.14%−35.9%———$346.1MCompare
XFORX4 Pharmaceuticals$3.24+2.21%−26.0%+346.3%−183.5%—$321.2MCompare

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Quick answers

What does Tectonic Therapeutic do?
Tectonic Therapeutic Inc is a biotechnology company focused on the discovery and development of therapeutic proteins and antibodies that modulate the activity of GPCRs. Its technology platform called GEODe, Tectonic is focused on developing biologic medicines that overcome the existing challenges of GPCR-targeted drug discovery to modify the course of disease.
What is TECX's market cap?
$396.85M, based on the Nov 4 close of $20.30.
Does Tectonic Therapeutic pay a dividend?
No regular cash dividend has been paid in the last year.
How much of TECX is sold short?
2.2M shares, 19.1% of float, as of Oct 15, 2026.
What sector is TECX in?
Healthcare, in the Biotechnology industry.

About Tectonic Therapeutic

Tectonic Therapeutic Inc is a biotechnology company focused on the discovery and development of therapeutic proteins and antibodies that modulate the activity of GPCRs. Its technology platform called GEODe, Tectonic is focused on developing biologic medicines that overcome the existing challenges of GPCR-targeted drug discovery to modify the course of disease. The company focuses on areas of important unmet medical need, often where therapeutic options are poor or nonexistent, and where new medicines have the potential to improve patient quality of life or extend duration of life. Pipeline includes TX000045, Group 2 PH, TX2100: GPCR Antagonist for Hereditary Hemorrhagic Telangiectasia (HHT), Fibrosis.

HQ: Watertown, MA60 employeesListed Jun 21, 2024tectonictx.com

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology