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Side-by-side financial comparison of FS Bancorp, Inc. (FSBW) 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 $40.0M, roughly 1.4× FS Bancorp, Inc.). On growth, RHYTHM PHARMACEUTICALS, INC. posted the faster year-over-year revenue change (36.9% vs 12.0%). Over the past eight quarters, RHYTHM PHARMACEUTICALS, INC.'s revenue compounded faster (48.5% CAGR vs 6.2%).

FS Bancorp, Inc. is a U.S.-headquartered bank holding company that serves as the parent of 1st Security Bank of Washington. It offers a full range of personal and commercial banking solutions including deposit products, mortgage loans, small business financing and construction loans, primarily catering to customers in the Pacific Northwest, with core segments covering retail banking, commercial banking and residential lending.

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.

FSBW vs RYTM — Head-to-Head

Bigger by revenue
RYTM
RYTM
1.4× larger
RYTM
$57.3M
$40.0M
FSBW
Growing faster (revenue YoY)
RYTM
RYTM
+24.9% gap
RYTM
36.9%
12.0%
FSBW
Faster 2-yr revenue CAGR
RYTM
RYTM
Annualised
RYTM
48.5%
6.2%
FSBW

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
FSBW
FSBW
RYTM
RYTM
Revenue
$40.0M
$57.3M
Net Profit
$-47.5M
Gross Margin
91.6%
Operating Margin
25.8%
-82.2%
Net Margin
-83.0%
Revenue YoY
12.0%
36.9%
Net Profit YoY
-9.6%
EPS (diluted)
$1.11
$-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
FSBW
FSBW
RYTM
RYTM
Q4 25
$40.0M
$57.3M
Q3 25
$39.3M
$51.3M
Q2 25
$37.3M
$48.5M
Q1 25
$36.1M
$32.7M
Q4 24
$35.7M
$41.8M
Q3 24
$37.2M
$33.3M
Q2 24
$36.3M
$29.1M
Q1 24
$35.5M
$26.0M
Net Profit
FSBW
FSBW
RYTM
RYTM
Q4 25
$-47.5M
Q3 25
$9.2M
$-52.9M
Q2 25
$7.7M
$-46.6M
Q1 25
$8.0M
$-49.5M
Q4 24
$-43.3M
Q3 24
$10.3M
$-43.6M
Q2 24
$9.0M
$-32.3M
Q1 24
$8.4M
$-141.4M
Gross Margin
FSBW
FSBW
RYTM
RYTM
Q4 25
91.6%
Q3 25
89.3%
Q2 25
88.6%
Q1 25
88.8%
Q4 24
90.9%
Q3 24
88.5%
Q2 24
89.9%
Q1 24
89.2%
Operating Margin
FSBW
FSBW
RYTM
RYTM
Q4 25
25.8%
-82.2%
Q3 25
29.5%
-102.6%
Q2 25
26.2%
-93.4%
Q1 25
26.2%
-143.7%
Q4 24
27.6%
-98.6%
Q3 24
26.5%
-132.0%
Q2 24
31.3%
-139.2%
Q1 24
29.7%
-538.7%
Net Margin
FSBW
FSBW
RYTM
RYTM
Q4 25
-83.0%
Q3 25
23.4%
-103.1%
Q2 25
20.7%
-96.1%
Q1 25
22.2%
-151.4%
Q4 24
-103.6%
Q3 24
27.6%
-131.2%
Q2 24
24.7%
-110.9%
Q1 24
23.7%
-544.4%
EPS (diluted)
FSBW
FSBW
RYTM
RYTM
Q4 25
$1.11
$-0.73
Q3 25
$1.18
$-0.82
Q2 25
$0.99
$-0.75
Q1 25
$1.01
$-0.81
Q4 24
$0.88
$-0.71
Q3 24
$1.29
$-0.73
Q2 24
$1.13
$-0.55
Q1 24
$1.06
$-2.35

Balance Sheet & Financial Strength

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

Metric
FSBW
FSBW
RYTM
RYTM
Cash + ST InvestmentsLiquidity on hand
$28.2M
$388.9M
Total DebtLower is stronger
Stockholders' EquityBook value
$307.7M
$139.1M
Total Assets
$3.2B
$480.2M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FSBW
FSBW
RYTM
RYTM
Q4 25
$28.2M
$388.9M
Q3 25
$61.3M
$416.1M
Q2 25
$33.2M
$291.0M
Q1 25
$62.7M
$314.5M
Q4 24
$31.6M
$320.6M
Q3 24
$40.3M
$298.4M
Q2 24
$33.0M
$319.1M
Q1 24
$45.4M
$201.2M
Stockholders' Equity
FSBW
FSBW
RYTM
RYTM
Q4 25
$307.7M
$139.1M
Q3 25
$300.5M
$148.8M
Q2 25
$297.2M
$-11.9M
Q1 25
$298.8M
$18.9M
Q4 24
$295.8M
$21.7M
Q3 24
$288.9M
$11.2M
Q2 24
$284.0M
$39.3M
Q1 24
$277.9M
$61.6M
Total Assets
FSBW
FSBW
RYTM
RYTM
Q4 25
$3.2B
$480.2M
Q3 25
$3.2B
$506.9M
Q2 25
$3.2B
$372.7M
Q1 25
$3.1B
$386.7M
Q4 24
$3.0B
$392.3M
Q3 24
$3.0B
$363.6M
Q2 24
$2.9B
$381.8M
Q1 24
$3.0B
$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
FSBW
FSBW
RYTM
RYTM
Operating Cash FlowLast quarter
$72.3M
$-25.4M
Free Cash FlowOCF − Capex
$51.9M
FCF MarginFCF / Revenue
129.8%
Capex IntensityCapex / Revenue
50.9%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$107.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FSBW
FSBW
RYTM
RYTM
Q4 25
$72.3M
$-25.4M
Q3 25
$44.6M
$-26.6M
Q2 25
$7.1M
$-23.3M
Q1 25
$8.2M
$-40.4M
Q4 24
$50.8M
$-18.8M
Q3 24
$-891.0K
$-25.2M
Q2 24
$9.9M
$-29.1M
Q1 24
$275.0K
$-40.7M
Free Cash Flow
FSBW
FSBW
RYTM
RYTM
Q4 25
$51.9M
Q3 25
$41.6M
Q2 25
$5.9M
Q1 25
$7.8M
Q4 24
$49.2M
Q3 24
$-1.5M
Q2 24
$9.6M
Q1 24
$-82.0K
FCF Margin
FSBW
FSBW
RYTM
RYTM
Q4 25
129.8%
Q3 25
105.9%
Q2 25
15.7%
Q1 25
21.7%
Q4 24
137.7%
Q3 24
-4.1%
Q2 24
26.6%
Q1 24
-0.2%
Capex Intensity
FSBW
FSBW
RYTM
RYTM
Q4 25
50.9%
Q3 25
7.7%
Q2 25
3.5%
Q1 25
1.0%
Q4 24
4.6%
Q3 24
1.7%
Q2 24
0.8%
Q1 24
1.0%
Cash Conversion
FSBW
FSBW
RYTM
RYTM
Q4 25
Q3 25
4.86×
Q2 25
0.92×
Q1 25
1.02×
Q4 24
Q3 24
-0.09×
Q2 24
1.11×
Q1 24
0.03×

Financial Flow Comparison

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

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