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Side-by-side financial comparison of Aether Holdings, Inc. (ATHR) and Rallybio Corp (RLYB). Click either name above to swap in a different company.

Aether Holdings, Inc. is the larger business by last-quarter revenue ($338.8K vs $222.0K, roughly 1.5× Rallybio Corp). Aether Holdings, Inc. runs the higher net margin — -382.9% vs -2636.0%, a 2253.1% gap on every dollar of revenue. On growth, Rallybio Corp posted the faster year-over-year revenue change (484.2% vs -0.9%).

Aether Industries Limited is an Indian chemical manufacturing company based in Surat, Gujarat. The company specializes in producing advanced intermediates and specialty chemicals for various industries, including pharmaceuticals, agrochemicals, material sciences, and oil and gas.

Rallybio Corp is a clinical-stage biotechnology company dedicated to developing transformative therapies for patients with severe, rare diseases with high unmet medical needs. Its core development pipeline targets hematologic disorders, fetal and neonatal hemolytic disease, and complement-mediated conditions, serving patient populations primarily in North America and Europe.

ATHR vs RLYB — Head-to-Head

Bigger by revenue
ATHR
ATHR
1.5× larger
ATHR
$338.8K
$222.0K
RLYB
Growing faster (revenue YoY)
RLYB
RLYB
+485.1% gap
RLYB
484.2%
-0.9%
ATHR
Higher net margin
ATHR
ATHR
2253.1% more per $
ATHR
-382.9%
-2636.0%
RLYB

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
ATHR
ATHR
RLYB
RLYB
Revenue
$338.8K
$222.0K
Net Profit
$-1.3M
$-5.9M
Gross Margin
80.4%
Operating Margin
-382.9%
-2888.3%
Net Margin
-382.9%
-2636.0%
Revenue YoY
-0.9%
484.2%
Net Profit YoY
-232.5%
47.0%
EPS (diluted)
$-0.11
$-1.52

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
ATHR
ATHR
RLYB
RLYB
Q4 25
$338.8K
$222.0K
Q3 25
$212.0K
Q2 25
$342.4K
$212.0K
Q1 25
$341.9K
$212.0K
Q4 24
$38.0K
Q3 24
$299.0K
Q2 24
$299.0K
Q1 24
$0
Net Profit
ATHR
ATHR
RLYB
RLYB
Q4 25
$-1.3M
$-5.9M
Q3 25
$16.0M
Q2 25
$-1.0M
$-9.7M
Q1 25
$-427.4K
$-9.4M
Q4 24
$-11.0M
Q3 24
$-11.5M
Q2 24
$-16.2M
Q1 24
$-19.0M
Gross Margin
ATHR
ATHR
RLYB
RLYB
Q4 25
80.4%
Q3 25
Q2 25
69.9%
Q1 25
67.9%
Q4 24
Q3 24
Q2 24
Q1 24
Operating Margin
ATHR
ATHR
RLYB
RLYB
Q4 25
-382.9%
-2888.3%
Q3 25
-3266.5%
Q2 25
-293.7%
-4743.9%
Q1 25
-112.6%
-4561.3%
Q4 24
-30547.4%
Q3 24
-4035.5%
Q2 24
-5697.3%
Q1 24
Net Margin
ATHR
ATHR
RLYB
RLYB
Q4 25
-382.9%
-2636.0%
Q3 25
7554.7%
Q2 25
-293.7%
-4576.9%
Q1 25
-125.0%
-4452.4%
Q4 24
-29063.2%
Q3 24
-3834.8%
Q2 24
-5430.1%
Q1 24
EPS (diluted)
ATHR
ATHR
RLYB
RLYB
Q4 25
$-0.11
$-1.52
Q3 25
$0.36
Q2 25
$-0.08
$-0.22
Q1 25
$-0.04
$-0.21
Q4 24
$-9.51
Q3 24
$-0.26
Q2 24
$-0.37
Q1 24
$-0.47

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
ATHR
ATHR
RLYB
RLYB
Cash + ST InvestmentsLiquidity on hand
$263.3K
$54.7M
Total DebtLower is stronger
Stockholders' EquityBook value
$3.4M
$58.0M
Total Assets
$4.0M
$62.3M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ATHR
ATHR
RLYB
RLYB
Q4 25
$263.3K
$54.7M
Q3 25
$59.3M
Q2 25
$187.4K
$45.7M
Q1 25
$179.2K
$54.5M
Q4 24
$65.5M
Q3 24
$75.1M
Q2 24
$88.6M
Q1 24
$94.2M
Stockholders' Equity
ATHR
ATHR
RLYB
RLYB
Q4 25
$3.4M
$58.0M
Q3 25
$63.0M
Q2 25
$5.9M
$46.0M
Q1 25
$-596.3K
$54.1M
Q4 24
$61.7M
Q3 24
$70.8M
Q2 24
$80.0M
Q1 24
$89.2M
Total Assets
ATHR
ATHR
RLYB
RLYB
Q4 25
$4.0M
$62.3M
Q3 25
$67.7M
Q2 25
$6.5M
$51.0M
Q1 25
$367.8K
$58.0M
Q4 24
$68.1M
Q3 24
$79.0M
Q2 24
$92.4M
Q1 24
$99.4M

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
ATHR
ATHR
RLYB
RLYB
Operating Cash FlowLast quarter
$-1.0M
$-4.7M
Free Cash FlowOCF − Capex
$-2.2M
FCF MarginFCF / Revenue
-642.5%
Capex IntensityCapex / Revenue
344.9%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ATHR
ATHR
RLYB
RLYB
Q4 25
$-1.0M
$-4.7M
Q3 25
$-6.5M
Q2 25
$-2.0M
$-8.4M
Q1 25
$-10.2M
Q4 24
$-9.9M
Q3 24
$-13.5M
Q2 24
$-10.4M
Q1 24
$-15.5M
Free Cash Flow
ATHR
ATHR
RLYB
RLYB
Q4 25
$-2.2M
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
FCF Margin
ATHR
ATHR
RLYB
RLYB
Q4 25
-642.5%
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
Capex Intensity
ATHR
ATHR
RLYB
RLYB
Q4 25
344.9%
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
Cash Conversion
ATHR
ATHR
RLYB
RLYB
Q4 25
Q3 25
-0.41×
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

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