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Side-by-side financial comparison of Dare Bioscience, Inc. (DARE) and PROTHENA CORP PUBLIC LTD CO (PRTA). Click either name above to swap in a different company.

Dare Bioscience, Inc. is the larger business by last-quarter revenue ($25.4K vs $21.0K, roughly 1.2× PROTHENA CORP PUBLIC LTD CO). On growth, Dare Bioscience, Inc. posted the faster year-over-year revenue change (173.3% vs -99.0%).

Dare Bioscience, Inc. is a clinical-stage biopharmaceutical company focused on women’s health solutions. It develops innovative therapies for gynecological conditions, reproductive health, and sexual wellness, targeting unmet medical needs primarily in the U.S. market, with plans to expand to other global developed markets.

Prothena Corporation plc is a late-stage clinical biotechnology firm focused on developing and commercializing innovative antibody therapies for neurodegenerative disorders, rare diseases and immune-related conditions. Its core pipeline targets unmet medical needs including amyloidosis, Parkinson's and Alzheimer's, serving key markets across North America, Europe and the Asia-Pacific.

DARE vs PRTA — Head-to-Head

Bigger by revenue
DARE
DARE
1.2× larger
DARE
$25.4K
$21.0K
PRTA
Growing faster (revenue YoY)
DARE
DARE
+272.4% gap
DARE
173.3%
-99.0%
PRTA

Income Statement — Q1 FY2025 vs Q4 FY2025

Metric
DARE
DARE
PRTA
PRTA
Revenue
$25.4K
$21.0K
Net Profit
$-4.4M
Gross Margin
Operating Margin
-18016.7%
Net Margin
-17219.1%
Revenue YoY
173.3%
-99.0%
Net Profit YoY
35.2%
62.7%
EPS (diluted)
$-0.50

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
DARE
DARE
PRTA
PRTA
Q4 25
$21.0K
Q3 25
$2.4M
Q2 25
$4.4M
Q1 25
$25.4K
$2.8M
Q4 24
$2.1M
Q3 24
$41.7K
$970.0K
Q2 24
$22.4K
$132.0M
Q1 24
$9.3K
$50.0K
Net Profit
DARE
DARE
PRTA
PRTA
Q4 25
Q3 25
$-36.5M
Q2 25
$-125.8M
Q1 25
$-4.4M
$-60.2M
Q4 24
Q3 24
$-4.7M
$-59.0M
Q2 24
$12.9M
$66.9M
Q1 24
$-6.8M
$-72.2M
Operating Margin
DARE
DARE
PRTA
PRTA
Q4 25
Q3 25
-1666.3%
Q2 25
-1914.4%
Q1 25
-18016.7%
-2319.0%
Q4 24
Q3 24
-11228.7%
-6857.0%
Q2 24
-32799.1%
44.2%
Q1 24
-64743.9%
-163056.0%
Net Margin
DARE
DARE
PRTA
PRTA
Q4 25
Q3 25
-1513.1%
Q2 25
-2845.4%
Q1 25
-17219.1%
-2128.5%
Q4 24
Q3 24
-11279.4%
-6082.6%
Q2 24
57539.2%
50.7%
Q1 24
-72622.6%
-144478.0%
EPS (diluted)
DARE
DARE
PRTA
PRTA
Q4 25
Q3 25
$-0.68
Q2 25
$-2.34
Q1 25
$-0.50
$-1.12
Q4 24
Q3 24
$-0.55
$-1.10
Q2 24
$1.52
$1.22
Q1 24
$-0.81
$-1.34

Balance Sheet & Financial Strength

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

Metric
DARE
DARE
PRTA
PRTA
Cash + ST InvestmentsLiquidity on hand
$10.3M
$307.5M
Total DebtLower is stronger
Stockholders' EquityBook value
$-9.6M
$280.5M
Total Assets
$18.6M
$326.8M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DARE
DARE
PRTA
PRTA
Q4 25
$307.5M
Q3 25
$330.8M
Q2 25
$371.4M
Q1 25
$10.3M
$417.9M
Q4 24
$471.4M
Q3 24
$11.2M
$519.3M
Q2 24
$16.4M
$564.1M
Q1 24
$3.6M
$546.5M
Stockholders' Equity
DARE
DARE
PRTA
PRTA
Q4 25
$280.5M
Q3 25
$295.0M
Q2 25
$324.3M
Q1 25
$-9.6M
$437.7M
Q4 24
$486.9M
Q3 24
$-1.5M
$534.4M
Q2 24
$2.7M
$581.9M
Q1 24
$-11.0M
$502.4M
Total Assets
DARE
DARE
PRTA
PRTA
Q4 25
$326.8M
Q3 25
$352.6M
Q2 25
$399.1M
Q1 25
$18.6M
$495.3M
Q4 24
$547.1M
Q3 24
$18.1M
$595.3M
Q2 24
$23.6M
$645.6M
Q1 24
$13.0M
$623.2M

Cash Flow & Capital Efficiency

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

Metric
DARE
DARE
PRTA
PRTA
Operating Cash FlowLast quarter
$-5.5M
$-163.6M
Free Cash FlowOCF − Capex
$-5.6M
FCF MarginFCF / Revenue
-22133.5%
Capex IntensityCapex / Revenue
618.8%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-6.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DARE
DARE
PRTA
PRTA
Q4 25
$-163.6M
Q3 25
$-40.6M
Q2 25
$-46.3M
Q1 25
$-5.5M
$-53.4M
Q4 24
$-150.1M
Q3 24
$-5.9M
$-45.2M
Q2 24
$12.9M
$16.0M
Q1 24
$-6.8M
$-73.1M
Free Cash Flow
DARE
DARE
PRTA
PRTA
Q4 25
Q3 25
Q2 25
Q1 25
$-5.6M
Q4 24
Q3 24
$-6.2M
Q2 24
$12.6M
Q1 24
$-6.8M
FCF Margin
DARE
DARE
PRTA
PRTA
Q4 25
Q3 25
Q2 25
Q1 25
-22133.5%
Q4 24
Q3 24
-14886.7%
Q2 24
56241.5%
Q1 24
-73320.3%
Capex Intensity
DARE
DARE
PRTA
PRTA
Q4 25
Q3 25
Q2 25
Q1 25
618.8%
Q4 24
Q3 24
677.2%
Q2 24
1271.2%
Q1 24
78.4%
Cash Conversion
DARE
DARE
PRTA
PRTA
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
1.00×
0.24×
Q1 24

Financial Flow Comparison

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

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