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

Iterum Therapeutics plc is the larger business by last-quarter revenue ($390.0K vs $338.8K, roughly 1.2× Aether Holdings, Inc.). Aether Holdings, Inc. runs the higher net margin — -382.9% vs -2302.3%, a 1919.4% gap on every dollar of revenue. Aether Holdings, Inc. produced more free cash flow last quarter ($-2.2M vs $-7.5M).

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.

Iterum Therapeutics plc is a clinical-stage biopharmaceutical company specializing in developing innovative anti-infective therapies to treat infections caused by multi-drug resistant bacteria. Its lead product candidate targets indications including community-acquired bacterial pneumonia and complicated urinary tract infections, addressing unmet medical needs across global healthcare markets.

ATHR vs ITRM — Head-to-Head

Bigger by revenue
ITRM
ITRM
1.2× larger
ITRM
$390.0K
$338.8K
ATHR
Higher net margin
ATHR
ATHR
1919.4% more per $
ATHR
-382.9%
-2302.3%
ITRM
More free cash flow
ATHR
ATHR
$5.3M more FCF
ATHR
$-2.2M
$-7.5M
ITRM

Income Statement — Q1 FY2026 vs Q3 FY2025

Metric
ATHR
ATHR
ITRM
ITRM
Revenue
$338.8K
$390.0K
Net Profit
$-1.3M
$-9.0M
Gross Margin
80.4%
Operating Margin
-382.9%
-1982.3%
Net Margin
-382.9%
-2302.3%
Revenue YoY
-0.9%
Net Profit YoY
-232.5%
-47.3%
EPS (diluted)
$-0.11
$-0.20

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
ITRM
ITRM
Q4 25
$338.8K
Q3 25
$390.0K
Q2 25
$342.4K
Q1 25
$341.9K
Net Profit
ATHR
ATHR
ITRM
ITRM
Q4 25
$-1.3M
Q3 25
$-9.0M
Q2 25
$-1.0M
Q1 25
$-427.4K
Gross Margin
ATHR
ATHR
ITRM
ITRM
Q4 25
80.4%
Q3 25
Q2 25
69.9%
Q1 25
67.9%
Operating Margin
ATHR
ATHR
ITRM
ITRM
Q4 25
-382.9%
Q3 25
-1982.3%
Q2 25
-293.7%
Q1 25
-112.6%
Net Margin
ATHR
ATHR
ITRM
ITRM
Q4 25
-382.9%
Q3 25
-2302.3%
Q2 25
-293.7%
Q1 25
-125.0%
EPS (diluted)
ATHR
ATHR
ITRM
ITRM
Q4 25
$-0.11
Q3 25
$-0.20
Q2 25
$-0.08
Q1 25
$-0.04

Balance Sheet & Financial Strength

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

Metric
ATHR
ATHR
ITRM
ITRM
Cash + ST InvestmentsLiquidity on hand
$263.3K
$11.0M
Total DebtLower is stronger
$20.0M
Stockholders' EquityBook value
$3.4M
$-7.4M
Total Assets
$4.0M
$32.5M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ATHR
ATHR
ITRM
ITRM
Q4 25
$263.3K
Q3 25
$11.0M
Q2 25
$187.4K
Q1 25
$179.2K
Total Debt
ATHR
ATHR
ITRM
ITRM
Q4 25
Q3 25
$20.0M
Q2 25
Q1 25
Stockholders' Equity
ATHR
ATHR
ITRM
ITRM
Q4 25
$3.4M
Q3 25
$-7.4M
Q2 25
$5.9M
Q1 25
$-596.3K
Total Assets
ATHR
ATHR
ITRM
ITRM
Q4 25
$4.0M
Q3 25
$32.5M
Q2 25
$6.5M
Q1 25
$367.8K

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
ITRM
ITRM
Operating Cash FlowLast quarter
$-1.0M
$-7.4M
Free Cash FlowOCF − Capex
$-2.2M
$-7.5M
FCF MarginFCF / Revenue
-642.5%
-1912.6%
Capex IntensityCapex / Revenue
344.9%
3.1%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ATHR
ATHR
ITRM
ITRM
Q4 25
$-1.0M
Q3 25
$-7.4M
Q2 25
$-2.0M
Q1 25
Free Cash Flow
ATHR
ATHR
ITRM
ITRM
Q4 25
$-2.2M
Q3 25
$-7.5M
Q2 25
Q1 25
FCF Margin
ATHR
ATHR
ITRM
ITRM
Q4 25
-642.5%
Q3 25
-1912.6%
Q2 25
Q1 25
Capex Intensity
ATHR
ATHR
ITRM
ITRM
Q4 25
344.9%
Q3 25
3.1%
Q2 25
Q1 25

Financial Flow Comparison

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

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