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NASDAQ · Biotechnology · USD

Cabaletta Bio, Inc. (CABA) Stock Analysis

Cabaletta Bio, Inc. (CABA) is a Biotechnology stock listed on NASDAQ and quoted in US Dollar.

Last Updated: October 21, 2026

CABA

$1.54

−$0.07 (−4.35%)

Oct 21, 2026 · Market close

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Price History

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CABA Key Statistics

As of Oct 21, 2026
Trading
Open
$1.62
Previous Close
$1.61
Day's Range
1.51–1.64
52-Week Range
1.59–4.23
Volume
3.04M
BetaHow much the share price moves relative to the wider market. 1.0 moves in line with it; above 1.0 swings more, below 1.0 less.
3.48
Valuation
Market Cap
$286.53M
P/E Ratio
unprofitable
EPS (ttm)Profit attributable to each share over the last twelve months.
−1.51
Financials (FY)
Revenue (FY)
$0.00
Net Income (FY)
−$167.86M
Shares OutstandingThe total number of shares held by all investors. Market value is this figure multiplied by the share price.
169.55M
1-Year Return
−43.80%
Dividend and dates
Earnings Date
November 16, 2026estimated
Avg Volume
4.62M

Only metrics the company reports are shown. Data provided by Yahoo Finance via yfinance. Updated daily.

Key facts

As of October 21, 2026, CABA closed at $1.54, −43.80% over 1 year.

Cabaletta Bio, Inc. (CABA) has a market capitalization of $286.53M.

In fiscal 2025, CABA reported revenue of $0.00.

CABA Stock Return by Calendar Year

Cabaletta Bio, Inc. (CABA) return since Oct 2019: what $10,000 became

1 year
$10,000 $5,620
−43.80%
5 years
$10,000 $1,189
−88.11%
Since Oct 2019
$10,000 $1,540
−84.60%

If you had invested $10,000 in Cabaletta Bio, Inc. (CABA) at the close on October 25, 2019, the earliest close on record here, it would have been worth $1,540 at the close on October 21, 2026: −84.60% in total, −23.48% a year, over a partial period shorter than 10 years. A historical calculation from closing prices adjusted for splits and dividends, before fees and taxes.

Calendar-year returns computed from daily closing prices. Partial years are shown muted and marked with an asterisk.

YearReturn
2026 (partial year)−29.68%
2025−3.52%
2024−90.00%
2023+145.41%
2022+144.06%
2021−69.63%
2020−10.67%
2019 (partial year)+39.70%

As of October 21, 2026.

CABA Revenue and Earnings by Fiscal Year

FY ends December
Fiscal yearRevenueNet incomeNet margin
2025$0.00−$167.86M—
2024$0.00−$115.86M—
2023$0.00−$67.68M—
2022$0.00−$52.98M—
Fiscal yearRevenueGross profitOperating incomeNet incomeNet margin
2025$0.00—−$172.24M−$167.86M—
2024$0.00—−$125.14M−$115.86M—
2023$0.00—−$74.66M−$67.68M—
2022$0.00—−$54.14M−$52.98M—

Annual figures as reported, in the company's reporting currency. As of December 31, 2025.

Recent News

All 7 articles ↓

News provided by third-party sources. Not financial advice.

Analysis

Data-derived

Company Overview

Cabaletta Bio, Inc. (CABA) is capitalised at $286.53M on the latest close. The company sits in the Healthcare sector, in the Biotechnology industry. Headcount on file is 154.

The most recent close on file for CABA is $1.54, dated October 21, 2026. That is −$0.07 (−4.35%) against the previous close. The 52-week range on file runs from $1.59 to $4.23.

Financial Health

The most recent full year on file, fiscal 2025, shows revenue of $0.00. The same year closed with a net loss of $167.86M. Trailing earnings per share are −1.51.

Across the 4 fiscal years on file, revenue moves from $0.00 in 2022 to $0.00 in 2025. Of those 4 years, 0 report positive net income.

Valuation Assessment

The record shows negative trailing earnings, so no price-to-earnings ratio is published.

Over the trailing twelve months the total return is −43.80%. Measured over 5 years, that is −34.68% a year compounded. The reported beta is 3.48. Daily returns over the trailing 7 years annualize to a volatility of 107.85%.

Growth & Income

No dividend is on file for CABA.

The strongest complete calendar year on file is 2023 at +145.41%; the weakest is 2024 at −90.00%. Of the 6 complete calendar years on file, 2 finished higher. So far in 2026 the total return is −29.68%.

Peer Comparison

Cabaletta Bio, Inc. (CABA) operates in the Biotechnology industry. Here is how it compares to its closest peers by market capitalization:

Company Ticker Market Cap P/E Ratio
Cabaletta Bio, Inc. CABA $286.53M —
Vertex Pharmaceuticals Incorporated VRTX $132.95B 30.4
Moderna, Inc. MRNA $98.14B —
Regeneron Pharmaceuticals, Inc. REGN $82.95B 19.9

The Biotechnology industry average P/E ratio is 16.6x. Cabaletta Bio, Inc. has no P/E ratio because it is not currently profitable.

Every figure above is read from this page's own data on each daily rebuild. Informational only, not financial advice. As of October 21, 2026.

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About Cabaletta Bio, Inc.

Cabaletta Bio, Inc., a clinical-stage biotechnology company, focuses on the discovery and development of engineered T cell therapies for patients with autoimmune diseases. The company's lead product candidate is resecabtagene autoleucel, a 4-1BB co-stimulatory domain-containing fully human CD19-CAR T, which is in Phase 1/2 clinical trials for the treatment of dermatomyositis, anti-synthetase syndrome, immune-mediated necrotizing myopathy, juvenile myositis, lupus nephritis, systemic lupus erythematosus, relapsing and progressive multiple sclerosis, mucocutaneous and mucosal pemphigus vulgaris (PV), systemic sclerosis, and generalized myasthenia gravis. It also develops DSG3-CAART, a CAAR T cell therapy that is in Phase 1 clinical trial for the treatment of mucosal PV; and MuSK-CAART, an investigational cell therapy in Phase 1 trial for treating patients with anti-muscle-specific kinase (MuSK) antibody positive myasthenia gravis. It has collaborations with the University of Pennsylvania and the Children's Hospital of Philadelphia; Nanjing IASO Biotherapeutics Co., Ltd; Oxford Biomedica; Autolus Holdings (UK) Limited; and WuXi Advanced Therapies, Inc. The company was formerly known as Tycho Therapeutics, Inc. and changed its name to Cabaletta Bio, Inc. in August 2018. Cabaletta Bio, Inc. was incorporated in 2017 and is headquartered in Philadelphia, Pennsylvania.

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