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

NPK International Inc. is the larger business by last-quarter revenue ($75.2M vs $57.3M, roughly 1.3× RHYTHM PHARMACEUTICALS, INC.). On growth, RHYTHM PHARMACEUTICALS, INC. posted the faster year-over-year revenue change (36.9% vs 30.7%). Over the past eight quarters, RHYTHM PHARMACEUTICALS, INC.'s revenue compounded faster (48.5% CAGR vs 23.9%).

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.

NPKI vs RYTM — Head-to-Head

Bigger by revenue
NPKI
NPKI
1.3× larger
NPKI
$75.2M
$57.3M
RYTM
Growing faster (revenue YoY)
RYTM
RYTM
+6.2% gap
RYTM
36.9%
30.7%
NPKI
Faster 2-yr revenue CAGR
RYTM
RYTM
Annualised
RYTM
48.5%
23.9%
NPKI

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
NPKI
NPKI
RYTM
RYTM
Revenue
$75.2M
$57.3M
Net Profit
$-47.5M
Gross Margin
37.7%
91.6%
Operating Margin
16.7%
-82.2%
Net Margin
-83.0%
Revenue YoY
30.7%
36.9%
Net Profit YoY
-9.6%
EPS (diluted)
$0.17
$-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
NPKI
NPKI
RYTM
RYTM
Q4 25
$75.2M
$57.3M
Q3 25
$68.8M
$51.3M
Q2 25
$68.2M
$48.5M
Q1 25
$64.8M
$32.7M
Q4 24
$57.5M
$41.8M
Q3 24
$44.2M
$33.3M
Q2 24
$66.8M
$29.1M
Q1 24
$49.0M
$26.0M
Net Profit
NPKI
NPKI
RYTM
RYTM
Q4 25
$-47.5M
Q3 25
$5.7M
$-52.9M
Q2 25
$8.7M
$-46.6M
Q1 25
$10.0M
$-49.5M
Q4 24
$-43.3M
Q3 24
$-174.3M
$-43.6M
Q2 24
$8.0M
$-32.3M
Q1 24
$7.3M
$-141.4M
Gross Margin
NPKI
NPKI
RYTM
RYTM
Q4 25
37.7%
91.6%
Q3 25
31.9%
89.3%
Q2 25
36.9%
88.6%
Q1 25
39.0%
88.8%
Q4 24
39.2%
90.9%
Q3 24
27.5%
88.5%
Q2 24
37.2%
89.9%
Q1 24
36.0%
89.2%
Operating Margin
NPKI
NPKI
RYTM
RYTM
Q4 25
16.7%
-82.2%
Q3 25
13.2%
-102.6%
Q2 25
17.0%
-93.4%
Q1 25
20.9%
-143.7%
Q4 24
20.2%
-98.6%
Q3 24
2.8%
-132.0%
Q2 24
18.7%
-139.2%
Q1 24
14.2%
-538.7%
Net Margin
NPKI
NPKI
RYTM
RYTM
Q4 25
-83.0%
Q3 25
8.2%
-103.1%
Q2 25
12.7%
-96.1%
Q1 25
15.4%
-151.4%
Q4 24
-103.6%
Q3 24
-394.3%
-131.2%
Q2 24
12.0%
-110.9%
Q1 24
14.9%
-544.4%
EPS (diluted)
NPKI
NPKI
RYTM
RYTM
Q4 25
$0.17
$-0.73
Q3 25
$0.07
$-0.82
Q2 25
$0.10
$-0.75
Q1 25
$0.11
$-0.81
Q4 24
$0.10
$-0.71
Q3 24
$-1.99
$-0.73
Q2 24
$0.09
$-0.55
Q1 24
$0.08
$-2.35

Balance Sheet & Financial Strength

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

Metric
NPKI
NPKI
RYTM
RYTM
Cash + ST InvestmentsLiquidity on hand
$5.1M
$388.9M
Total DebtLower is stronger
$16.9M
Stockholders' EquityBook value
$351.2M
$139.1M
Total Assets
$441.8M
$480.2M
Debt / EquityLower = less leverage
0.05×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
NPKI
NPKI
RYTM
RYTM
Q4 25
$5.1M
$388.9M
Q3 25
$35.6M
$416.1M
Q2 25
$26.0M
$291.0M
Q1 25
$20.8M
$314.5M
Q4 24
$17.8M
$320.6M
Q3 24
$42.9M
$298.4M
Q2 24
$35.1M
$319.1M
Q1 24
$37.7M
$201.2M
Total Debt
NPKI
NPKI
RYTM
RYTM
Q4 25
$16.9M
Q3 25
$9.5M
Q2 25
$9.3M
Q1 25
$8.1M
Q4 24
$7.7M
Q3 24
$14.0M
Q2 24
$58.0M
Q1 24
$77.4M
Stockholders' Equity
NPKI
NPKI
RYTM
RYTM
Q4 25
$351.2M
$139.1M
Q3 25
$333.9M
$148.8M
Q2 25
$328.8M
$-11.9M
Q1 25
$326.9M
$18.9M
Q4 24
$326.5M
$21.7M
Q3 24
$316.5M
$11.2M
Q2 24
$426.6M
$39.3M
Q1 24
$421.6M
$61.6M
Total Assets
NPKI
NPKI
RYTM
RYTM
Q4 25
$441.8M
$480.2M
Q3 25
$404.5M
$506.9M
Q2 25
$393.7M
$372.7M
Q1 25
$390.0M
$386.7M
Q4 24
$393.7M
$392.3M
Q3 24
$389.6M
$363.6M
Q2 24
$624.8M
$381.8M
Q1 24
$640.8M
$258.7M
Debt / Equity
NPKI
NPKI
RYTM
RYTM
Q4 25
0.05×
Q3 25
0.03×
Q2 25
0.03×
Q1 25
0.02×
Q4 24
0.02×
Q3 24
0.04×
Q2 24
0.14×
Q1 24
0.18×

Cash Flow & Capital Efficiency

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

Metric
NPKI
NPKI
RYTM
RYTM
Operating Cash FlowLast quarter
$18.0M
$-25.4M
Free Cash FlowOCF − Capex
$5.8M
FCF MarginFCF / Revenue
7.6%
Capex IntensityCapex / Revenue
16.3%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$26.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
NPKI
NPKI
RYTM
RYTM
Q4 25
$18.0M
$-25.4M
Q3 25
$24.7M
$-26.6M
Q2 25
$21.4M
$-23.3M
Q1 25
$8.8M
$-40.4M
Q4 24
$-4.1M
$-18.8M
Q3 24
$2.8M
$-25.2M
Q2 24
$27.6M
$-29.1M
Q1 24
$11.9M
$-40.7M
Free Cash Flow
NPKI
NPKI
RYTM
RYTM
Q4 25
$5.8M
Q3 25
$12.0M
Q2 25
$9.7M
Q1 25
$-1.2M
Q4 24
$-17.7M
Q3 24
$-6.7M
Q2 24
$21.0M
Q1 24
$-1.9M
FCF Margin
NPKI
NPKI
RYTM
RYTM
Q4 25
7.6%
Q3 25
17.4%
Q2 25
14.3%
Q1 25
-1.8%
Q4 24
-30.8%
Q3 24
-15.2%
Q2 24
31.4%
Q1 24
-3.9%
Capex Intensity
NPKI
NPKI
RYTM
RYTM
Q4 25
16.3%
Q3 25
18.5%
Q2 25
17.1%
Q1 25
15.5%
Q4 24
23.6%
Q3 24
21.4%
Q2 24
9.9%
Q1 24
28.3%
Cash Conversion
NPKI
NPKI
RYTM
RYTM
Q4 25
Q3 25
4.37×
Q2 25
2.47×
Q1 25
0.88×
Q4 24
Q3 24
Q2 24
3.43×
Q1 24
1.64×

Financial Flow Comparison

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

Revenue Breakdown by Segment

NPKI
NPKI

Rental Revenue$34.8M46%
Products$25.5M34%
Services$14.9M20%

RYTM
RYTM

Segment breakdown not available.

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