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Side-by-side financial comparison of RHYTHM PHARMACEUTICALS, INC. (RYTM) and ULTRALIFE CORP (ULBI). Click either name above to swap in a different company.

RHYTHM PHARMACEUTICALS, INC. is the larger business by last-quarter revenue ($60.1M vs $48.5M, roughly 1.2× ULTRALIFE CORP). ULTRALIFE CORP runs the higher net margin — -15.3% vs -92.6%, a 77.2% gap on every dollar of revenue. On growth, RHYTHM PHARMACEUTICALS, INC. posted the faster year-over-year revenue change (83.8% vs 10.6%). Over the past eight quarters, RHYTHM PHARMACEUTICALS, INC.'s revenue compounded faster (43.8% CAGR vs 7.5%).

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.

Ultralife Corporation designs and manufactures batteries and communications systems worldwide. Ultralife serves government and defense, medical, safety and security, energy, robotics and other customers across the globe through the design and development of a range of products. Founded in 1991 when launched as an Initial Public Offering (IPO) evolving from Kodak’s Ultra Technologies battery division, and headquartered in Newark, New York, the Company’s business segments include battery and en...

RYTM vs ULBI — Head-to-Head

Bigger by revenue
RYTM
RYTM
1.2× larger
RYTM
$60.1M
$48.5M
ULBI
Growing faster (revenue YoY)
RYTM
RYTM
+73.3% gap
RYTM
83.8%
10.6%
ULBI
Higher net margin
ULBI
ULBI
77.2% more per $
ULBI
-15.3%
-92.6%
RYTM
Faster 2-yr revenue CAGR
RYTM
RYTM
Annualised
RYTM
43.8%
7.5%
ULBI

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
RYTM
RYTM
ULBI
ULBI
Revenue
$60.1M
$48.5M
Net Profit
$-55.6M
$-7.4M
Gross Margin
88.1%
24.9%
Operating Margin
-87.1%
-21.9%
Net Margin
-92.6%
-15.3%
Revenue YoY
83.8%
10.6%
Net Profit YoY
-3925.8%
EPS (diluted)
$-0.83
$-35.00

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
RYTM
RYTM
ULBI
ULBI
Q1 26
$60.1M
Q4 25
$57.3M
$48.5M
Q3 25
$51.3M
$43.4M
Q2 25
$48.5M
$48.6M
Q1 25
$32.7M
$50.7M
Q4 24
$41.8M
$43.9M
Q3 24
$33.3M
$35.7M
Q2 24
$29.1M
$43.0M
Net Profit
RYTM
RYTM
ULBI
ULBI
Q1 26
$-55.6M
Q4 25
$-47.5M
$-7.4M
Q3 25
$-52.9M
$-1.2M
Q2 25
$-46.6M
$879.0K
Q1 25
$-49.5M
$1.9M
Q4 24
$-43.3M
$194.0K
Q3 24
$-43.6M
$258.0K
Q2 24
$-32.3M
$3.0M
Gross Margin
RYTM
RYTM
ULBI
ULBI
Q1 26
88.1%
Q4 25
91.6%
24.9%
Q3 25
89.3%
22.2%
Q2 25
88.6%
23.9%
Q1 25
88.8%
25.1%
Q4 24
90.9%
24.2%
Q3 24
88.5%
24.3%
Q2 24
89.9%
26.9%
Operating Margin
RYTM
RYTM
ULBI
ULBI
Q1 26
-87.1%
Q4 25
-82.2%
-21.9%
Q3 25
-102.6%
-2.2%
Q2 25
-93.4%
4.6%
Q1 25
-143.7%
6.7%
Q4 24
-98.6%
3.4%
Q3 24
-132.0%
1.4%
Q2 24
-139.2%
9.1%
Net Margin
RYTM
RYTM
ULBI
ULBI
Q1 26
-92.6%
Q4 25
-83.0%
-15.3%
Q3 25
-103.1%
-2.8%
Q2 25
-96.1%
1.8%
Q1 25
-151.4%
3.7%
Q4 24
-103.6%
0.4%
Q3 24
-131.2%
0.7%
Q2 24
-110.9%
6.9%
EPS (diluted)
RYTM
RYTM
ULBI
ULBI
Q1 26
$-0.83
Q4 25
$-0.73
$-35.00
Q3 25
$-0.82
$-0.07
Q2 25
$-0.75
$0.05
Q1 25
$-0.81
$0.02
Q4 24
$-0.71
$37.72
Q3 24
$-0.73
$0.02
Q2 24
$-0.55
$0.18

Balance Sheet & Financial Strength

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

Metric
RYTM
RYTM
ULBI
ULBI
Cash + ST InvestmentsLiquidity on hand
$340.6M
$9.3M
Total DebtLower is stronger
Stockholders' EquityBook value
$122.9M
$130.0M
Total Assets
$442.3M
$216.9M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
RYTM
RYTM
ULBI
ULBI
Q1 26
$340.6M
Q4 25
$388.9M
$9.3M
Q3 25
$416.1M
Q2 25
$291.0M
Q1 25
$314.5M
Q4 24
$320.6M
$6.9M
Q3 24
$298.4M
$6.8M
Q2 24
$319.1M
$6.7M
Total Debt
RYTM
RYTM
ULBI
ULBI
Q1 26
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
$55.0M
Q3 24
Q2 24
Stockholders' Equity
RYTM
RYTM
ULBI
ULBI
Q1 26
$122.9M
Q4 25
$139.1M
$130.0M
Q3 25
$148.8M
$137.3M
Q2 25
$-11.9M
$138.4M
Q1 25
$18.9M
$136.4M
Q4 24
$21.7M
$134.0M
Q3 24
$11.2M
$134.5M
Q2 24
$39.3M
$133.2M
Total Assets
RYTM
RYTM
ULBI
ULBI
Q1 26
$442.3M
Q4 25
$480.2M
$216.9M
Q3 25
$506.9M
$222.2M
Q2 25
$372.7M
$221.0M
Q1 25
$386.7M
$223.8M
Q4 24
$392.3M
$220.5M
Q3 24
$363.6M
$172.4M
Q2 24
$381.8M
$169.8M
Debt / Equity
RYTM
RYTM
ULBI
ULBI
Q1 26
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
0.41×
Q3 24
Q2 24

Cash Flow & Capital Efficiency

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

Metric
RYTM
RYTM
ULBI
ULBI
Operating Cash FlowLast quarter
$1.5M
Free Cash FlowOCF − Capex
$607.0K
FCF MarginFCF / Revenue
1.3%
Capex IntensityCapex / Revenue
1.8%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$7.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
RYTM
RYTM
ULBI
ULBI
Q1 26
Q4 25
$-25.4M
$1.5M
Q3 25
$-26.6M
$198.0K
Q2 25
$-23.3M
$5.9M
Q1 25
$-40.4M
$3.4M
Q4 24
$-18.8M
$3.0M
Q3 24
$-25.2M
$4.7M
Q2 24
$-29.1M
$8.9M
Free Cash Flow
RYTM
RYTM
ULBI
ULBI
Q1 26
Q4 25
$607.0K
Q3 25
$-797.0K
Q2 25
$4.8M
Q1 25
$2.5M
Q4 24
$2.4M
Q3 24
$4.2M
Q2 24
$8.6M
FCF Margin
RYTM
RYTM
ULBI
ULBI
Q1 26
Q4 25
1.3%
Q3 25
-1.8%
Q2 25
10.0%
Q1 25
4.9%
Q4 24
5.6%
Q3 24
11.6%
Q2 24
19.9%
Capex Intensity
RYTM
RYTM
ULBI
ULBI
Q1 26
Q4 25
1.8%
Q3 25
2.3%
Q2 25
2.3%
Q1 25
1.8%
Q4 24
1.4%
Q3 24
1.7%
Q2 24
0.8%
Cash Conversion
RYTM
RYTM
ULBI
ULBI
Q1 26
Q4 25
Q3 25
Q2 25
6.75×
Q1 25
1.81×
Q4 24
15.70×
Q3 24
18.40×
Q2 24
3.01×

Financial Flow Comparison

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

Revenue Breakdown by Segment

RYTM
RYTM

Segment breakdown not available.

ULBI
ULBI

Commercial$36.3M75%
Government Defense$9.6M20%
Communications Systems Segment$2.6M5%

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