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Side-by-side financial comparison of Coya Therapeutics, Inc. (COYA) and KOSS CORP (KOSS). Click either name above to swap in a different company.

Coya Therapeutics, Inc. is the larger business by last-quarter revenue ($4.0M vs $2.9M, roughly 1.4× KOSS CORP). On growth, Coya Therapeutics, Inc. posted the faster year-over-year revenue change (202768.8% vs -19.6%).

Coya Therapeutics, Inc. is a clinical-stage biotechnology company focused on developing innovative regulatory T cell (Treg)-based therapies to address unmet medical needs for patients with neurodegenerative, autoimmune, and inflammatory diseases. Its core pipeline includes lead candidates targeting conditions like amyotrophic lateral sclerosis, with primary planned commercial markets across North America and the European Union.

Koss Corporation is a company in Milwaukee, Wisconsin, US that manufactures headphones. The company created the first high-fidelity stereo headphones in 1958.

COYA vs KOSS — Head-to-Head

Bigger by revenue
COYA
COYA
1.4× larger
COYA
$4.0M
$2.9M
KOSS
Growing faster (revenue YoY)
COYA
COYA
+202788.4% gap
COYA
202768.8%
-19.6%
KOSS

Income Statement — Q4 FY2025 vs Q2 FY2026

Metric
COYA
COYA
KOSS
KOSS
Revenue
$4.0M
$2.9M
Net Profit
$-565.4K
Gross Margin
29.0%
Operating Margin
-35.5%
Net Margin
-19.8%
Revenue YoY
202768.8%
-19.6%
Net Profit YoY
-95.8%
-700.6%
EPS (diluted)
$-0.06

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
COYA
COYA
KOSS
KOSS
Q4 25
$4.0M
$2.9M
Q3 25
$3.6M
$4.1M
Q2 25
$3.1M
Q1 25
$2.8M
Q4 24
$3.6M
Q3 24
$0
$3.2M
Q2 24
$3.4M
$2.9M
Q1 24
$2.6M
Net Profit
COYA
COYA
KOSS
KOSS
Q4 25
$-565.4K
Q3 25
$-2.1M
$243.7K
Q2 25
$-232.7K
Q1 25
$-316.7K
Q4 24
$94.1K
Q3 24
$-4.0M
$-419.5K
Q2 24
$-2.9M
$-110.4K
Q1 24
$-313.8K
Gross Margin
COYA
COYA
KOSS
KOSS
Q4 25
29.0%
Q3 25
40.0%
Q2 25
36.0%
Q1 25
39.0%
Q4 24
39.5%
Q3 24
36.6%
Q2 24
40.4%
Q1 24
31.9%
Operating Margin
COYA
COYA
KOSS
KOSS
Q4 25
-35.5%
Q3 25
-68.3%
-1.1%
Q2 25
-14.2%
Q1 25
-18.7%
Q4 24
-4.0%
Q3 24
-19.9%
Q2 24
-94.5%
-11.0%
Q1 24
-23.1%
Net Margin
COYA
COYA
KOSS
KOSS
Q4 25
-19.8%
Q3 25
-59.4%
6.0%
Q2 25
-7.5%
Q1 25
-11.4%
Q4 24
2.6%
Q3 24
-13.1%
Q2 24
-84.4%
-3.8%
Q1 24
-11.9%
EPS (diluted)
COYA
COYA
KOSS
KOSS
Q4 25
$-0.06
Q3 25
$-0.13
$0.03
Q2 25
$-0.02
Q1 25
$-0.03
Q4 24
$0.01
Q3 24
$-0.26
$-0.05
Q2 24
$-0.19
$-0.01
Q1 24
$-0.03

Balance Sheet & Financial Strength

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

Metric
COYA
COYA
KOSS
KOSS
Cash + ST InvestmentsLiquidity on hand
$46.8M
$15.5M
Total DebtLower is stronger
Stockholders' EquityBook value
$43.0M
$30.3M
Total Assets
$50.0M
$36.8M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
COYA
COYA
KOSS
KOSS
Q4 25
$46.8M
$15.5M
Q3 25
$28.1M
$16.5M
Q2 25
$15.7M
Q1 25
$13.0M
Q4 24
$9.7M
Q3 24
$31.1M
$11.9M
Q2 24
$36.6M
$14.9M
Q1 24
$9.9M
Stockholders' Equity
COYA
COYA
KOSS
KOSS
Q4 25
$43.0M
$30.3M
Q3 25
$27.3M
$30.9M
Q2 25
$30.6M
Q1 25
$30.7M
Q4 24
$31.0M
Q3 24
$32.0M
$30.8M
Q2 24
$35.3M
$31.1M
Q1 24
$31.1M
Total Assets
COYA
COYA
KOSS
KOSS
Q4 25
$50.0M
$36.8M
Q3 25
$32.0M
$37.7M
Q2 25
$37.2M
Q1 25
$37.3M
Q4 24
$37.4M
Q3 24
$35.6M
$38.1M
Q2 24
$39.9M
$37.2M
Q1 24
$37.6M

Cash Flow & Capital Efficiency

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

Metric
COYA
COYA
KOSS
KOSS
Operating Cash FlowLast quarter
$-10.7M
$-760.8K
Free Cash FlowOCF − Capex
$-1.1M
FCF MarginFCF / Revenue
-37.5%
Capex IntensityCapex / Revenue
10.9%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-546.7K

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
COYA
COYA
KOSS
KOSS
Q4 25
$-10.7M
$-760.8K
Q3 25
$-1.1M
$762.6K
Q2 25
$-534.9K
Q1 25
$370.4K
Q4 24
$-252.0K
Q3 24
$-5.5M
$201.6K
Q2 24
$-4.6M
$-174.0K
Q1 24
$328.6K
Free Cash Flow
COYA
COYA
KOSS
KOSS
Q4 25
$-1.1M
Q3 25
$761.5K
Q2 25
$-541.8K
Q1 25
$306.2K
Q4 24
$-314.3K
Q3 24
$-155.6K
Q2 24
$-174.8K
Q1 24
$269.3K
FCF Margin
COYA
COYA
KOSS
KOSS
Q4 25
-37.5%
Q3 25
18.7%
Q2 25
-17.6%
Q1 25
11.0%
Q4 24
-8.8%
Q3 24
-4.9%
Q2 24
-6.0%
Q1 24
10.2%
Capex Intensity
COYA
COYA
KOSS
KOSS
Q4 25
10.9%
Q3 25
0.0%
Q2 25
0.2%
Q1 25
2.3%
Q4 24
1.8%
Q3 24
11.2%
Q2 24
0.0%
Q1 24
2.3%
Cash Conversion
COYA
COYA
KOSS
KOSS
Q4 25
Q3 25
3.13×
Q2 25
Q1 25
Q4 24
-2.68×
Q3 24
Q2 24
Q1 24

Financial Flow Comparison

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

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