NASDAQ · KLRSHealthcareBiotechnology

Kalaris Therapeutics, Inc. Common Stock (KLRS)

$2.10+3.96%
Close Nov 5, 2026 · split-adjusted
Nov 4, 2026$2.02▼ 57.11% in range
Nov 4, 2025Low $1.80 · High $10.98Nov 4, 2026
What changed · written from our data
As of Nov 5, 2026

Kalaris Therapeutics closed at $2.10 on Nov 5, up 3.96%, 80.9% below its 52-week closing high. Volume of 80.2K shares was 1.19× its 20-day average (close to normal).

Split-adjusted performance: -18.0% over one month, -59.2% over six months, -55.4% over one year.

Short interest was 306.4K shares at the Oct 15 settlement, down 7.7% from the prior report (5.4% of float, 3.5 days to cover).

Market cap$50.0M23.8M shares
Revenue · quarter$0.00—
Diluted EPS$-0.48—
P/E · TTM—
Net margin—
Dividend yieldNone
52-week range1.80 – 10.98−80.9% from high
Volume80.2K1.19× 20-day avg
Volatility · 60d56.9%Annualised
Short % of float5.4%3.5 days to cover
Net cash$93.5MCash $93.5M
Next earnings—Not scheduled
Split-adjusted performance
1W −1.4%1M −18.0%3M −48.4%6M −59.2%YTD −75.1%1Y −55.4%3Y —5Y —

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Biotechnology

Percentile among 139 companies (100 = best)

6-month momentum21
Revenue growth—
Net margin—
Value (low P/E)—
Size27

Industry medians: 6-month return −24.1%, revenue growth +8.5%, net margin −226.4%, P/E 21.4×.

Short interest

Details →
Shares short306.4K−7.7% vs prior
Days to cover3.5Settled Oct 15
% of float5.4%
Short vol. 10d52.2%of daily volume

Closest peers by size in Biotechnology

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
KLRSKalaris Therapeutics$2.10+3.96%−59.2%———$50.0M
GRMLGreenland Mines$3.62−7.42%————$49.5MCompare
ELOXEloxx Pharmaceuticals$12.59−1.18%————$50.8MCompare
INKTMiNK Therapeutics$10.10−4.70%−9.7%———$51.6MCompare
TILInstil Bio$6.97−0.29%−13.2%———$47.3MCompare
IMAImageneBio$4.08−0.49%−31.0%———$46.3MCompare
CRBUCaribou Biosciences$0.4069−8.44%−78.4%−43.8%−1619.9%—$43.6MCompare
CRDFCardiff Oncology$0.7602−12.51%−52.5%−14.0%−8882.7%—$59.1MCompare
CGTXCognition Therapeutics$0.6405−6.26%−44.8%———$60.9MCompare

Quick answers

What does Kalaris Therapeutics do?
Kalaris Therapeutics Inc is a clinical-stage biopharmaceutical company focused on developing and commercializing therapeutics for prevalent retinal diseases. The company is developing TH103, a novel, clinical-stage anti-vascular endothelial growth factor VEGF drug, engineered to potentially provide longer-lasting and increased anti-VEGF activity in patients with exudative and neovascular retinal diseases.
What is KLRS's market cap?
$49.99M, based on the Nov 5 close of $2.10.
Does Kalaris Therapeutics pay a dividend?
No regular cash dividend has been paid in the last year.
How much of KLRS is sold short?
306.4K shares, 5.4% of float, as of Oct 15, 2026.
What sector is KLRS in?
Healthcare, in the Biotechnology industry.

About Kalaris Therapeutics

Kalaris Therapeutics Inc is a clinical-stage biopharmaceutical company focused on developing and commercializing therapeutics for prevalent retinal diseases. The company is developing TH103, a novel, clinical-stage anti-vascular endothelial growth factor VEGF drug, engineered to potentially provide longer-lasting and increased anti-VEGF activity in patients with exudative and neovascular retinal diseases. TH103 is a fully humanized recombinant fusion protein, functioning as a decoy receptor (a VEGF trap), leveraging salient molecular properties of the human body's native, highest affinity VEGF receptor 1.

HQ: Berkeley Heights, NJ20 employeesListed Mar 19, 2025kalaristx.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