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Side-by-side financial comparison of NAPCO SECURITY TECHNOLOGIES, INC (NSSC) 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 ($60.1M vs $48.2M, roughly 1.2× NAPCO SECURITY TECHNOLOGIES, INC). NAPCO SECURITY TECHNOLOGIES, INC runs the higher net margin — 28.0% vs -92.6%, a 120.6% gap on every dollar of revenue. On growth, RHYTHM PHARMACEUTICALS, INC. posted the faster year-over-year revenue change (83.8% vs 12.2%). Over the past eight quarters, RHYTHM PHARMACEUTICALS, INC.'s revenue compounded faster (43.8% CAGR vs -1.1%).

Napco Security Technologies, Inc. was set up in 1969 and now is based in Amityville, New York. The company focuses on security products, such as electronic locking devices, alarm systems, and building access control systems. The company was formerly known as Napco Security Systems, Inc.

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.

NSSC vs RYTM — Head-to-Head

Bigger by revenue
RYTM
RYTM
1.2× larger
RYTM
$60.1M
$48.2M
NSSC
Growing faster (revenue YoY)
RYTM
RYTM
+71.6% gap
RYTM
83.8%
12.2%
NSSC
Higher net margin
NSSC
NSSC
120.6% more per $
NSSC
28.0%
-92.6%
RYTM
Faster 2-yr revenue CAGR
RYTM
RYTM
Annualised
RYTM
43.8%
-1.1%
NSSC

Income Statement — Q2 FY2026 vs Q1 FY2026

Metric
NSSC
NSSC
RYTM
RYTM
Revenue
$48.2M
$60.1M
Net Profit
$13.5M
$-55.6M
Gross Margin
58.6%
88.1%
Operating Margin
30.6%
-87.1%
Net Margin
28.0%
-92.6%
Revenue YoY
12.2%
83.8%
Net Profit YoY
29.0%
EPS (diluted)
$0.38
$-0.83

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
NSSC
NSSC
RYTM
RYTM
Q1 26
$60.1M
Q4 25
$48.2M
$57.3M
Q3 25
$49.2M
$51.3M
Q2 25
$50.7M
$48.5M
Q1 25
$44.0M
$32.7M
Q4 24
$42.9M
$41.8M
Q3 24
$44.0M
$33.3M
Q2 24
$50.3M
$29.1M
Net Profit
NSSC
NSSC
RYTM
RYTM
Q1 26
$-55.6M
Q4 25
$13.5M
$-47.5M
Q3 25
$12.2M
$-52.9M
Q2 25
$11.6M
$-46.6M
Q1 25
$10.1M
$-49.5M
Q4 24
$10.5M
$-43.3M
Q3 24
$11.2M
$-43.6M
Q2 24
$13.5M
$-32.3M
Gross Margin
NSSC
NSSC
RYTM
RYTM
Q1 26
88.1%
Q4 25
58.6%
91.6%
Q3 25
56.6%
89.3%
Q2 25
52.8%
88.6%
Q1 25
57.2%
88.8%
Q4 24
57.0%
90.9%
Q3 24
55.9%
88.5%
Q2 24
55.3%
89.9%
Operating Margin
NSSC
NSSC
RYTM
RYTM
Q1 26
-87.1%
Q4 25
30.6%
-82.2%
Q3 25
27.7%
-102.6%
Q2 25
23.8%
-93.4%
Q1 25
25.4%
-143.7%
Q4 24
26.0%
-98.6%
Q3 24
26.9%
-132.0%
Q2 24
27.7%
-139.2%
Net Margin
NSSC
NSSC
RYTM
RYTM
Q1 26
-92.6%
Q4 25
28.0%
-83.0%
Q3 25
24.7%
-103.1%
Q2 25
22.9%
-96.1%
Q1 25
23.0%
-151.4%
Q4 24
24.4%
-103.6%
Q3 24
25.4%
-131.2%
Q2 24
26.9%
-110.9%
EPS (diluted)
NSSC
NSSC
RYTM
RYTM
Q1 26
$-0.83
Q4 25
$0.38
$-0.73
Q3 25
$0.34
$-0.82
Q2 25
$0.33
$-0.75
Q1 25
$0.28
$-0.81
Q4 24
$0.28
$-0.71
Q3 24
$0.30
$-0.73
Q2 24
$0.36
$-0.55

Balance Sheet & Financial Strength

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

Metric
NSSC
NSSC
RYTM
RYTM
Cash + ST InvestmentsLiquidity on hand
$115.4M
$340.6M
Total DebtLower is stronger
Stockholders' EquityBook value
$184.8M
$122.9M
Total Assets
$212.8M
$442.3M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
NSSC
NSSC
RYTM
RYTM
Q1 26
$340.6M
Q4 25
$115.4M
$388.9M
Q3 25
$105.8M
$416.1M
Q2 25
$99.2M
$291.0M
Q1 25
$89.3M
$314.5M
Q4 24
$99.2M
$320.6M
Q3 24
$91.3M
$298.4M
Q2 24
$70.7M
$319.1M
Stockholders' Equity
NSSC
NSSC
RYTM
RYTM
Q1 26
$122.9M
Q4 25
$184.8M
$139.1M
Q3 25
$176.1M
$148.8M
Q2 25
$168.6M
$-11.9M
Q1 25
$161.5M
$18.9M
Q4 24
$174.2M
$21.7M
Q3 24
$178.6M
$11.2M
Q2 24
$178.9M
$39.3M
Total Assets
NSSC
NSSC
RYTM
RYTM
Q1 26
$442.3M
Q4 25
$212.8M
$480.2M
Q3 25
$206.0M
$506.9M
Q2 25
$198.1M
$372.7M
Q1 25
$190.9M
$386.7M
Q4 24
$202.7M
$392.3M
Q3 24
$209.9M
$363.6M
Q2 24
$207.8M
$381.8M

Cash Flow & Capital Efficiency

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

Metric
NSSC
NSSC
RYTM
RYTM
Operating Cash FlowLast quarter
$15.1M
Free Cash FlowOCF − Capex
$14.5M
FCF MarginFCF / Revenue
30.1%
Capex IntensityCapex / Revenue
1.2%
Cash ConversionOCF / Net Profit
1.12×
TTM Free Cash FlowTrailing 4 quarters
$53.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
NSSC
NSSC
RYTM
RYTM
Q1 26
Q4 25
$15.1M
$-25.4M
Q3 25
$11.6M
$-26.6M
Q2 25
$14.6M
$-23.3M
Q1 25
$13.4M
$-40.4M
Q4 24
$13.5M
$-18.8M
Q3 24
$12.0M
$-25.2M
Q2 24
$14.3M
$-29.1M
Free Cash Flow
NSSC
NSSC
RYTM
RYTM
Q1 26
Q4 25
$14.5M
Q3 25
$11.4M
Q2 25
$14.4M
Q1 25
$13.3M
Q4 24
$12.4M
Q3 24
$11.3M
Q2 24
$13.8M
FCF Margin
NSSC
NSSC
RYTM
RYTM
Q1 26
Q4 25
30.1%
Q3 25
23.3%
Q2 25
28.4%
Q1 25
30.3%
Q4 24
28.8%
Q3 24
25.8%
Q2 24
27.4%
Capex Intensity
NSSC
NSSC
RYTM
RYTM
Q1 26
Q4 25
1.2%
Q3 25
0.4%
Q2 25
0.5%
Q1 25
0.1%
Q4 24
2.6%
Q3 24
1.5%
Q2 24
1.1%
Cash Conversion
NSSC
NSSC
RYTM
RYTM
Q1 26
Q4 25
1.12×
Q3 25
0.96×
Q2 25
1.26×
Q1 25
1.32×
Q4 24
1.29×
Q3 24
1.08×
Q2 24
1.06×

Financial Flow Comparison

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

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