NASDAQ · CABAHealthcareBiotechnology

Cabaletta Bio, Inc. Common Stock (CABA)

$1.420.00%
Close Nov 4, 2026 · split-adjusted
Nov 4, 2026$1.42▼ 47.41% in range
Nov 4, 2025Low $1.35 · High $4.15Nov 4, 2026
What changed · written from our data
As of Nov 4, 2026

Cabaletta Bio closed at $1.42 on Nov 4, unchanged, 65.8% below its 52-week closing high. Volume of 3.2M shares was 0.65× its 20-day average (below normal).

Split-adjusted performance: -29.7% over one month, -61.9% over six months, -52.8% over one year.

Short interest was 39.3M shares at the Oct 15 settlement, up 1.7% from the prior report (27.4% of float, 7.2 days to cover).

Market cap$240.8M169.5M shares
Revenue · quarter$0.00—
Diluted EPS$-0.34—
P/E · TTM—
Net margin—
Dividend yieldNone
52-week range1.35 – 4.15−65.8% from high
Volume3.2M0.65× 20-day avg
Volatility · 60d78.7%Annualised
Short % of float27.4%7.2 days to cover
Net cash$205.1MCash $225.1M
Next earnings—Not scheduled
Split-adjusted performance
1W −6.6%1M −29.7%3M −48.6%6M −61.9%YTD −35.2%1Y −52.8%3Y −89.7%5Y −89.1%

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Biotechnology

Percentile among 139 companies (100 = best)

6-month momentum17
Revenue growth—
Net margin—
Value (low P/E)—
Size49

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

Short interest

Details →
Shares short39.3M+1.7% vs prior
Days to cover7.2Settled Oct 15
% of float27.4%
Short vol. 10d51.6%of daily volume

Closest peers by size in Biotechnology

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
CABACabaletta Bio$1.420.00%−61.9%———$240.8M
PROKProKidney$1.12+4.67%−42.9%−32.1%−18948.0%—$234.1MCompare
FATEFate Therapeutics$2.09+2.45%−8.7%+9.2%−1448.6%—$250.4MCompare
ALECAlector$2.28+11.22%−11.3%−57.8%−692.5%—$254.6MCompare
DTILPrecision BioSciences$8.12+16.50%+8.0%−100.0%——$224.1MCompare
LCTXLineage Cell Therapeutics$1.03+1.98%−28.0%−61.3%138.6%—$260.5MCompare
LXEOLexeo Therapeutics$3.23+3.86%−48.2%———$265.1MCompare
IKTInhibikase Therapeutics$1.57+5.74%−22.1%———$218.4MCompare
PALIPalisade Bio$1.25+1.63%−37.5%—−2114.8%—$217.8MCompare

News about Cabaletta Bio

All news →

No recent articles focused on Cabaletta Bio. 1 articles mention it in passing.

Quick answers

What does Cabaletta Bio do?
Cabaletta Bio Inc is a late clinical-stage biotechnology company focused on the discovery and development of engineered T cell therapies for autoimmune diseases. Its proprietary Cabaletta Approach to B cell Ablation (CABA) platform includes the CARTA approach, which uses chimeric antigen receptor T cells to eliminate B cells and potentially reset the immune system.
What is CABA's market cap?
$240.75M, based on the Nov 4 close of $1.42.
Does Cabaletta Bio pay a dividend?
No regular cash dividend has been paid in the last year.
How much of CABA is sold short?
39.3M shares, 27.4% of float, as of Oct 15, 2026.
What sector is CABA in?
Healthcare, in the Biotechnology industry.

About Cabaletta Bio

Cabaletta Bio Inc is a late clinical-stage biotechnology company focused on the discovery and development of engineered T cell therapies for autoimmune diseases. Its proprietary Cabaletta Approach to B cell Ablation (CABA) platform includes the CARTA approach, which uses chimeric antigen receptor T cells to eliminate B cells and potentially reset the immune system. The company develops cellular therapies including CAR T and CAAR T product candidates. Its candidate, rese-cel (resecabtagene autoleucel), a CD19-CAR T cell therapy, is being evaluated in Phase 1/2 trials for autoimmune diseases such as systemic lupus erythematosus, myositis, systemic sclerosis, generalized myasthenia gravis, and pemphigus vulgaris.

HQ: Philadelphia, PA158 employeesListed Oct 25, 2019cabalettabio.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