NASDAQ · RNTXHealthcarePharmaceuticals

Rein Therapeutics, Inc. Common Stock (RNTX)

$0.6587−1.32%
Close Nov 4, 2026 · split-adjusted
Nov 4, 2026$0.66▼ 53.61% in range
Nov 4, 2025Low $0.55 · High $1.88Nov 4, 2026
What changed · written from our data
As of Nov 4, 2026

Rein Therapeutics closed at $0.66 on Nov 4, down 1.32%, 65.0% below its 52-week closing high. Volume of 213.9K shares was 0.51× its 20-day average (below normal).

Split-adjusted performance: -20.2% over one month, -43.7% over six months, -62.4% over one year.

Short interest was 590.8K shares at the Oct 15 settlement, down 9.3% from the prior report (2.6% of float, 1.1 days to cover).

Market cap$56.8M86.3M shares
Revenue · quarter$0.00—
Diluted EPS$-0.10—
P/E · TTM—
Net margin—
Dividend yieldNone
52-week range0.55 – 1.88−65.0% from high
Volume213.9K0.51× 20-day avg
Volatility · 60d95.8%Annualised
Short % of float2.6%1.1 days to cover
Net cash$40.6MCash $40.6M
Next earnings—Not scheduled
Split-adjusted performance
1W −7.8%1M −20.2%3M −16.5%6M −43.7%YTD −43.2%1Y −62.4%3Y —5Y —

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Pharmaceuticals

Percentile among 420 companies (100 = best)

6-month momentum31
Revenue growth—
Net margin—
Value (low P/E)—
Size33

Industry medians: 6-month return −25.5%, revenue growth +6.2%, net margin −33.8%, P/E 16.1×.

Short interest

Details →
Shares short590.8K−9.3% vs prior
Days to cover1.1Settled Oct 15
% of float2.6%
Short vol. 10d39.0%of daily volume

Closest peers by size in Pharmaceuticals

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
RNTXRein Therapeutics$0.6587−1.32%−43.7%———$56.8M
HRTXHeron Therapeutics$0.2986+4.88%−77.2%+1.3%−14.6%—$56.7MCompare
XLOXilio Therapeutics$8.71+0.35%+10.3%+131.2%−34.1%—$57.3MCompare
RFLRafael Holdings$1.07−0.93%−14.4%−30.3%−3760.7%—$55.8MCompare
CTORCitius Oncology$0.5470−0.55%−39.8%—−597.4%—$57.9MCompare
NMADNomad Power Solutions$3.60+2.27%————$58.0MCompare
ONCYOncolytics Biotech$0.4248+8.92%−53.8%———$55.7MCompare
BOLDBoundless Bio$2.40+0.84%+51.9%———$55.5MCompare
CLNNClene$4.10+8.75%−42.7%+233.3%−14915.6%—$58.3MCompare

Quick answers

What does Rein Therapeutics do?
Rein Therapeutics Inc is a clinical stage biopharmaceutical company focused on developing novel therapies for the treatment of orphan pulmonary and fibrosis indications with no approved or limited effective treatments. Its pipeline includes: LTI-03, a peptide, for placebo-controlled safety, tolerability, and pharmacodynamic biomarker activity trial in development for the treatment of Idiopathic Pulmonary Fibrosis, that has demonstrated the ability to protect healthy lung epithelial cells and reduce pro-fibrotic signaling; LTI-01, a proenzyme that completed a Phase 2a dose-ranging, placebo-controlled trial and a Phase 1b safety, tolerability and proof of mechanism trial in loculated pleural effusion, or LPE, patients, an indication that has no approved drug treatment.
What is RNTX's market cap?
$56.82M, based on the Nov 4 close of $0.66.
Does Rein Therapeutics pay a dividend?
No regular cash dividend has been paid in the last year.
How much of RNTX is sold short?
590.8K shares, 2.6% of float, as of Oct 15, 2026.
What sector is RNTX in?
Healthcare, in the Pharmaceuticals industry.

About Rein Therapeutics

Rein Therapeutics Inc is a clinical stage biopharmaceutical company focused on developing novel therapies for the treatment of orphan pulmonary and fibrosis indications with no approved or limited effective treatments. Its pipeline includes: LTI-03, a peptide, for placebo-controlled safety, tolerability, and pharmacodynamic biomarker activity trial in development for the treatment of Idiopathic Pulmonary Fibrosis, that has demonstrated the ability to protect healthy lung epithelial cells and reduce pro-fibrotic signaling; LTI-01, a proenzyme that completed a Phase 2a dose-ranging, placebo-controlled trial and a Phase 1b safety, tolerability and proof of mechanism trial in loculated pleural effusion, or LPE, patients, an indication that has no approved drug treatment.

HQ: Austin, TX10 employeesListed Jun 29, 2017reintx.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