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

Aether Holdings, Inc. is the larger business by last-quarter revenue ($338.8K vs $284.0K, roughly 1.2× Dianthus Therapeutics, Inc.). Aether Holdings, Inc. runs the higher net margin — -382.9% vs -22687.3%, a 22304.4% gap on every dollar of revenue. On growth, Aether Holdings, Inc. posted the faster year-over-year revenue change (-0.9% vs -78.6%). Aether Holdings, Inc. produced more free cash flow last quarter ($-2.2M vs $-47.1M).

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.

Dianthus Therapeutics is a clinical-stage biopharmaceutical firm focused on developing targeted therapies for rare immunological and inflammatory diseases. It advances antibody-based candidates to address unmet needs of severe patients, operating primarily in the U.S. with global development partners.

ATHR vs DNTH — Head-to-Head

Bigger by revenue
ATHR
ATHR
1.2× larger
ATHR
$338.8K
$284.0K
DNTH
Growing faster (revenue YoY)
ATHR
ATHR
+77.7% gap
ATHR
-0.9%
-78.6%
DNTH
Higher net margin
ATHR
ATHR
22304.4% more per $
ATHR
-382.9%
-22687.3%
DNTH
More free cash flow
ATHR
ATHR
$44.9M more FCF
ATHR
$-2.2M
$-47.1M
DNTH

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
ATHR
ATHR
DNTH
DNTH
Revenue
$338.8K
$284.0K
Net Profit
$-1.3M
$-64.4M
Gross Margin
80.4%
Operating Margin
-382.9%
-24486.3%
Net Margin
-382.9%
-22687.3%
Revenue YoY
-0.9%
-78.6%
Net Profit YoY
-232.5%
-126.6%
EPS (diluted)
$-0.11
$-1.53

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
DNTH
DNTH
Q4 25
$338.8K
$284.0K
Q3 25
$396.0K
Q2 25
$342.4K
Q1 25
$341.9K
$1.2M
Q4 24
$1.3M
Q3 24
$2.2M
Q2 24
$1.9M
Q1 24
$874.0K
Net Profit
ATHR
ATHR
DNTH
DNTH
Q4 25
$-1.3M
$-64.4M
Q3 25
$-36.8M
Q2 25
$-1.0M
Q1 25
$-427.4K
$-29.5M
Q4 24
$-28.4M
Q3 24
$-25.2M
Q2 24
$-17.6M
Q1 24
$-13.7M
Gross Margin
ATHR
ATHR
DNTH
DNTH
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
DNTH
DNTH
Q4 25
-382.9%
-24486.3%
Q3 25
-10173.7%
Q2 25
-293.7%
Q1 25
-112.6%
-2852.7%
Q4 24
-2406.9%
Q3 24
-1376.6%
Q2 24
-1191.8%
Q1 24
-2041.6%
Net Margin
ATHR
ATHR
DNTH
DNTH
Q4 25
-382.9%
-22687.3%
Q3 25
-9284.1%
Q2 25
-293.7%
Q1 25
-125.0%
-2537.5%
Q4 24
-2144.8%
Q3 24
-1159.0%
Q2 24
-945.1%
Q1 24
-1573.0%
EPS (diluted)
ATHR
ATHR
DNTH
DNTH
Q4 25
$-0.11
$-1.53
Q3 25
$-0.97
Q2 25
$-0.08
Q1 25
$-0.04
$-0.82
Q4 24
$-0.76
Q3 24
$-0.74
Q2 24
$-0.51
Q1 24
$-0.54

Balance Sheet & Financial Strength

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

Metric
ATHR
ATHR
DNTH
DNTH
Cash + ST InvestmentsLiquidity on hand
$263.3K
$404.3M
Total DebtLower is stronger
Stockholders' EquityBook value
$3.4M
$493.4M
Total Assets
$4.0M
$530.9M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ATHR
ATHR
DNTH
DNTH
Q4 25
$263.3K
$404.3M
Q3 25
$402.6M
Q2 25
$187.4K
Q1 25
$179.2K
$263.2M
Q4 24
$275.2M
Q3 24
$281.1M
Q2 24
$360.7M
Q1 24
$377.0M
Stockholders' Equity
ATHR
ATHR
DNTH
DNTH
Q4 25
$3.4M
$493.4M
Q3 25
$546.5M
Q2 25
$5.9M
Q1 25
$-596.3K
$328.6M
Q4 24
$352.5M
Q3 24
$337.9M
Q2 24
$358.2M
Q1 24
$372.7M
Total Assets
ATHR
ATHR
DNTH
DNTH
Q4 25
$4.0M
$530.9M
Q3 25
$577.4M
Q2 25
$6.5M
Q1 25
$367.8K
$348.6M
Q4 24
$374.0M
Q3 24
$354.2M
Q2 24
$369.0M
Q1 24
$382.5M

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
DNTH
DNTH
Operating Cash FlowLast quarter
$-1.0M
$-47.0M
Free Cash FlowOCF − Capex
$-2.2M
$-47.1M
FCF MarginFCF / Revenue
-642.5%
-16591.9%
Capex IntensityCapex / Revenue
344.9%
48.6%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-132.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ATHR
ATHR
DNTH
DNTH
Q4 25
$-1.0M
$-47.0M
Q3 25
$-30.6M
Q2 25
$-2.0M
Q1 25
$-27.6M
Q4 24
$-27.4M
Q3 24
$-21.3M
Q2 24
$-14.5M
Q1 24
$-14.9M
Free Cash Flow
ATHR
ATHR
DNTH
DNTH
Q4 25
$-2.2M
$-47.1M
Q3 25
$-30.6M
Q2 25
Q1 25
$-27.7M
Q4 24
$-27.5M
Q3 24
$-21.3M
Q2 24
$-14.5M
Q1 24
$-15.0M
FCF Margin
ATHR
ATHR
DNTH
DNTH
Q4 25
-642.5%
-16591.9%
Q3 25
-7717.2%
Q2 25
Q1 25
-2377.8%
Q4 24
-2072.0%
Q3 24
-980.3%
Q2 24
-780.7%
Q1 24
-1713.2%
Capex Intensity
ATHR
ATHR
DNTH
DNTH
Q4 25
344.9%
48.6%
Q3 25
1.3%
Q2 25
Q1 25
2.1%
Q4 24
2.3%
Q3 24
1.2%
Q2 24
0.9%
Q1 24
3.7%

Financial Flow Comparison

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

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