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Side-by-side financial comparison of Byrna Technologies Inc. (BYRN) and RHYTHM PHARMACEUTICALS, INC. (RYTM). Click either name above to swap in a different company.

RHYTHM PHARMACEUTICALS, INC. is the larger business by last-quarter revenue ($57.3M vs $35.2M, roughly 1.6× Byrna Technologies Inc.). Byrna Technologies Inc. runs the higher net margin — 9.5% vs -83.0%, a 92.5% gap on every dollar of revenue. On growth, RHYTHM PHARMACEUTICALS, INC. posted the faster year-over-year revenue change (36.9% vs 26.0%). Over the past eight quarters, RHYTHM PHARMACEUTICALS, INC.'s revenue compounded faster (48.5% CAGR vs 45.5%).

Byrna Technologies Inc. designs, manufactures and markets innovative less-lethal personal safety and self-defense products, including handheld kinetic launchers, specialized non-lethal projectiles and related accessories. Its core customer segments cover individual consumers, law enforcement agencies, private security firms and educational institutions, with primary markets across North America and expanding global distribution networks.

Rhythm Pharmaceuticals is a biopharmaceutical firm focused on developing and commercializing targeted therapies for rare genetic disorders causing severe unmanageable obesity, including POMC deficiency, LEPR deficiency, and Bardet-Biedl syndrome. It serves patients in North America and Europe who lack effective standard treatments for their chronic life-altering conditions.

BYRN vs RYTM — Head-to-Head

Bigger by revenue
RYTM
RYTM
1.6× larger
RYTM
$57.3M
$35.2M
BYRN
Growing faster (revenue YoY)
RYTM
RYTM
+10.9% gap
RYTM
36.9%
26.0%
BYRN
Higher net margin
BYRN
BYRN
92.5% more per $
BYRN
9.5%
-83.0%
RYTM
Faster 2-yr revenue CAGR
RYTM
RYTM
Annualised
RYTM
48.5%
45.5%
BYRN

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
BYRN
BYRN
RYTM
RYTM
Revenue
$35.2M
$57.3M
Net Profit
$3.4M
$-47.5M
Gross Margin
59.8%
91.6%
Operating Margin
11.2%
-82.2%
Net Margin
9.5%
-83.0%
Revenue YoY
26.0%
36.9%
Net Profit YoY
-65.2%
-9.6%
EPS (diluted)
$0.14
$-0.73

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
BYRN
BYRN
RYTM
RYTM
Q4 25
$35.2M
$57.3M
Q3 25
$28.2M
$51.3M
Q2 25
$28.5M
$48.5M
Q1 25
$26.2M
$32.7M
Q4 24
$28.0M
$41.8M
Q3 24
$20.9M
$33.3M
Q2 24
$20.3M
$29.1M
Q1 24
$16.7M
$26.0M
Net Profit
BYRN
BYRN
RYTM
RYTM
Q4 25
$3.4M
$-47.5M
Q3 25
$2.2M
$-52.9M
Q2 25
$2.4M
$-46.6M
Q1 25
$1.7M
$-49.5M
Q4 24
$9.7M
$-43.3M
Q3 24
$1.0M
$-43.6M
Q2 24
$2.1M
$-32.3M
Q1 24
$17.0K
$-141.4M
Gross Margin
BYRN
BYRN
RYTM
RYTM
Q4 25
59.8%
91.6%
Q3 25
60.1%
89.3%
Q2 25
61.6%
88.6%
Q1 25
60.8%
88.8%
Q4 24
62.8%
90.9%
Q3 24
62.4%
88.5%
Q2 24
62.0%
89.9%
Q1 24
57.9%
89.2%
Operating Margin
BYRN
BYRN
RYTM
RYTM
Q4 25
11.2%
-82.2%
Q3 25
10.2%
-102.6%
Q2 25
11.7%
-93.4%
Q1 25
6.5%
-143.7%
Q4 24
14.6%
-98.6%
Q3 24
4.0%
-132.0%
Q2 24
9.4%
-139.2%
Q1 24
-1.0%
-538.7%
Net Margin
BYRN
BYRN
RYTM
RYTM
Q4 25
9.5%
-83.0%
Q3 25
7.9%
-103.1%
Q2 25
8.5%
-96.1%
Q1 25
6.3%
-151.4%
Q4 24
34.6%
-103.6%
Q3 24
4.9%
-131.2%
Q2 24
10.2%
-110.9%
Q1 24
0.1%
-544.4%
EPS (diluted)
BYRN
BYRN
RYTM
RYTM
Q4 25
$0.14
$-0.73
Q3 25
$0.09
$-0.82
Q2 25
$0.10
$-0.75
Q1 25
$0.07
$-0.81
Q4 24
$0.42
$-0.71
Q3 24
$0.04
$-0.73
Q2 24
$0.09
$-0.55
Q1 24
$0.00
$-2.35

Balance Sheet & Financial Strength

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

Metric
BYRN
BYRN
RYTM
RYTM
Cash + ST InvestmentsLiquidity on hand
$15.5M
$388.9M
Total DebtLower is stronger
Stockholders' EquityBook value
$65.8M
$139.1M
Total Assets
$84.5M
$480.2M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BYRN
BYRN
RYTM
RYTM
Q4 25
$15.5M
$388.9M
Q3 25
$9.0M
$416.1M
Q2 25
$291.0M
Q1 25
$19.3M
$314.5M
Q4 24
$25.7M
$320.6M
Q3 24
$20.1M
$298.4M
Q2 24
$24.8M
$319.1M
Q1 24
$24.2M
$201.2M
Stockholders' Equity
BYRN
BYRN
RYTM
RYTM
Q4 25
$65.8M
$139.1M
Q3 25
$63.1M
$148.8M
Q2 25
$60.1M
$-11.9M
Q1 25
$56.8M
$18.9M
Q4 24
$54.4M
$21.7M
Q3 24
$44.5M
$11.2M
Q2 24
$45.3M
$39.3M
Q1 24
$43.2M
$61.6M
Total Assets
BYRN
BYRN
RYTM
RYTM
Q4 25
$84.5M
$480.2M
Q3 25
$78.6M
$506.9M
Q2 25
$372.7M
Q1 25
$71.0M
$386.7M
Q4 24
$71.9M
$392.3M
Q3 24
$59.0M
$363.6M
Q2 24
$57.5M
$381.8M
Q1 24
$52.7M
$258.7M

Cash Flow & Capital Efficiency

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

Metric
BYRN
BYRN
RYTM
RYTM
Operating Cash FlowLast quarter
$9.9M
$-25.4M
Free Cash FlowOCF − Capex
$8.1M
FCF MarginFCF / Revenue
23.1%
Capex IntensityCapex / Revenue
5.1%
Cash ConversionOCF / Net Profit
2.95×
TTM Free Cash FlowTrailing 4 quarters
$-9.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BYRN
BYRN
RYTM
RYTM
Q4 25
$9.9M
$-25.4M
Q3 25
$-2.3M
$-26.6M
Q2 25
$-5.5M
$-23.3M
Q1 25
$-3.8M
$-40.4M
Q4 24
$7.3M
$-18.8M
Q3 24
$-1.4M
$-25.2M
Q2 24
$1.9M
$-29.1M
Q1 24
$3.9M
$-40.7M
Free Cash Flow
BYRN
BYRN
RYTM
RYTM
Q4 25
$8.1M
Q3 25
$-4.5M
Q2 25
$-6.4M
Q1 25
$-6.4M
Q4 24
$6.3M
Q3 24
$-2.1M
Q2 24
$1.4M
Q1 24
$3.8M
FCF Margin
BYRN
BYRN
RYTM
RYTM
Q4 25
23.1%
Q3 25
-16.0%
Q2 25
-22.4%
Q1 25
-24.5%
Q4 24
22.5%
Q3 24
-10.0%
Q2 24
7.0%
Q1 24
22.6%
Capex Intensity
BYRN
BYRN
RYTM
RYTM
Q4 25
5.1%
Q3 25
8.0%
Q2 25
3.3%
Q1 25
10.1%
Q4 24
3.4%
Q3 24
3.3%
Q2 24
2.6%
Q1 24
1.0%
Cash Conversion
BYRN
BYRN
RYTM
RYTM
Q4 25
2.95×
Q3 25
-1.01×
Q2 25
-2.25×
Q1 25
-2.27×
Q4 24
0.75×
Q3 24
-1.36×
Q2 24
0.93×
Q1 24
231.88×

Financial Flow Comparison

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

Revenue Breakdown by Segment

BYRN
BYRN

E Commerce$23.0M65%
Wholesale Dealerdistributors$10.9M31%
Other$1.3M4%

RYTM
RYTM

Segment breakdown not available.

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