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Side-by-side financial comparison of Monolithic Power Systems (MPWR) and Planet Fitness, Inc. (PLNT). Click either name above to swap in a different company.

Monolithic Power Systems is the larger business by last-quarter revenue ($751.2M vs $376.3M, roughly 2.0× Planet Fitness, Inc.). Monolithic Power Systems runs the higher net margin — 22.9% vs 16.0%, a 6.8% gap on every dollar of revenue. On growth, Monolithic Power Systems posted the faster year-over-year revenue change (20.8% vs 10.5%). Monolithic Power Systems produced more free cash flow last quarter ($63.9M vs $59.0M). Over the past eight quarters, Monolithic Power Systems's revenue compounded faster (28.1% CAGR vs 23.2%).

Monolithic Power Systems, Inc. is an American, publicly traded company headquartered in Kirkland, Washington. It operates in more than 15 locations worldwide.

Planet Fitness, Inc. is an American franchisor and operator of fitness centers based in Hampton, New Hampshire. The company has around 2,715 clubs, making it one of the largest fitness club franchises by number of members and locations. The franchise has locations in the United States, Canada, Panama, Mexico, Spain and Australia. It markets itself as a "Judgement Free Zone" open to all levels of gym users.

MPWR vs PLNT — Head-to-Head

Bigger by revenue
MPWR
MPWR
2.0× larger
MPWR
$751.2M
$376.3M
PLNT
Growing faster (revenue YoY)
MPWR
MPWR
+10.3% gap
MPWR
20.8%
10.5%
PLNT
Higher net margin
MPWR
MPWR
6.8% more per $
MPWR
22.9%
16.0%
PLNT
More free cash flow
MPWR
MPWR
$4.9M more FCF
MPWR
$63.9M
$59.0M
PLNT
Faster 2-yr revenue CAGR
MPWR
MPWR
Annualised
MPWR
28.1%
23.2%
PLNT

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
MPWR
MPWR
PLNT
PLNT
Revenue
$751.2M
$376.3M
Net Profit
$171.7M
$60.4M
Gross Margin
55.2%
76.0%
Operating Margin
26.6%
28.2%
Net Margin
22.9%
16.0%
Revenue YoY
20.8%
10.5%
Net Profit YoY
-86.3%
28.3%
EPS (diluted)
$3.50

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
MPWR
MPWR
PLNT
PLNT
Q4 25
$751.2M
$376.3M
Q3 25
$737.2M
$330.3M
Q2 25
$664.6M
$340.9M
Q1 25
$637.6M
$276.7M
Q4 24
$621.7M
$340.4M
Q3 24
$620.1M
$292.2M
Q2 24
$507.4M
$300.9M
Q1 24
$457.9M
$248.0M
Net Profit
MPWR
MPWR
PLNT
PLNT
Q4 25
$171.7M
$60.4M
Q3 25
$179.8M
$58.8M
Q2 25
$135.0M
$58.0M
Q1 25
$135.1M
$41.9M
Q4 24
$1.3B
$47.1M
Q3 24
$144.4M
$42.0M
Q2 24
$100.4M
$48.6M
Q1 24
$92.5M
$34.3M
Gross Margin
MPWR
MPWR
PLNT
PLNT
Q4 25
55.2%
76.0%
Q3 25
55.1%
82.4%
Q2 25
55.1%
82.6%
Q1 25
55.4%
91.9%
Q4 24
55.4%
76.4%
Q3 24
55.4%
84.4%
Q2 24
55.3%
82.7%
Q1 24
55.1%
92.3%
Operating Margin
MPWR
MPWR
PLNT
PLNT
Q4 25
26.6%
28.2%
Q3 25
26.5%
32.4%
Q2 25
24.8%
30.0%
Q1 25
26.5%
28.6%
Q4 24
26.3%
26.4%
Q3 24
26.5%
27.8%
Q2 24
23.0%
29.0%
Q1 24
20.9%
26.5%
Net Margin
MPWR
MPWR
PLNT
PLNT
Q4 25
22.9%
16.0%
Q3 25
24.4%
17.8%
Q2 25
20.3%
17.0%
Q1 25
21.2%
15.1%
Q4 24
201.8%
13.8%
Q3 24
23.3%
14.4%
Q2 24
19.8%
16.2%
Q1 24
20.2%
13.8%
EPS (diluted)
MPWR
MPWR
PLNT
PLNT
Q4 25
$3.50
Q3 25
$3.74
Q2 25
$2.81
Q1 25
$2.81
Q4 24
$25.71
Q3 24
$2.95
Q2 24
$2.05
Q1 24
$1.89

Balance Sheet & Financial Strength

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

Metric
MPWR
MPWR
PLNT
PLNT
Cash + ST InvestmentsLiquidity on hand
$1.3B
$452.4M
Total DebtLower is stronger
$2.5B
Stockholders' EquityBook value
$3.5B
$-482.8M
Total Assets
$4.2B
$3.1B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MPWR
MPWR
PLNT
PLNT
Q4 25
$1.3B
$452.4M
Q3 25
$1.3B
$443.4M
Q2 25
$1.1B
$442.7M
Q1 25
$1.0B
$453.6M
Q4 24
$862.9M
$407.3M
Q3 24
$1.5B
$407.4M
Q2 24
$1.3B
$350.2M
Q1 24
$1.3B
$395.1M
Total Debt
MPWR
MPWR
PLNT
PLNT
Q4 25
$2.5B
Q3 25
$2.2B
Q2 25
$2.2B
Q1 25
$2.2B
Q4 24
$2.2B
Q3 24
$2.2B
Q2 24
$2.2B
Q1 24
$2.0B
Stockholders' Equity
MPWR
MPWR
PLNT
PLNT
Q4 25
$3.5B
$-482.8M
Q3 25
$3.4B
$-194.8M
Q2 25
$3.2B
$-158.7M
Q1 25
$3.1B
$-219.9M
Q4 24
$3.0B
$-215.4M
Q3 24
$2.4B
$-266.1M
Q2 24
$2.2B
$-317.7M
Q1 24
$2.1B
$-96.4M
Total Assets
MPWR
MPWR
PLNT
PLNT
Q4 25
$4.2B
$3.1B
Q3 25
$4.1B
$3.1B
Q2 25
$3.9B
$3.1B
Q1 25
$3.7B
$3.1B
Q4 24
$3.5B
$3.1B
Q3 24
$2.9B
$3.0B
Q2 24
$2.6B
$3.0B
Q1 24
$2.6B
$3.0B

Cash Flow & Capital Efficiency

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

Metric
MPWR
MPWR
PLNT
PLNT
Operating Cash FlowLast quarter
$104.9M
$109.1M
Free Cash FlowOCF − Capex
$63.9M
$59.0M
FCF MarginFCF / Revenue
8.5%
15.7%
Capex IntensityCapex / Revenue
5.5%
13.3%
Cash ConversionOCF / Net Profit
0.61×
1.81×
TTM Free Cash FlowTrailing 4 quarters
$666.2M
$254.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MPWR
MPWR
PLNT
PLNT
Q4 25
$104.9M
$109.1M
Q3 25
$239.3M
$131.5M
Q2 25
$237.6M
$44.0M
Q1 25
$256.4M
$133.9M
Q4 24
$167.7M
$49.1M
Q3 24
$231.7M
$126.8M
Q2 24
$141.0M
$78.2M
Q1 24
$248.1M
$89.7M
Free Cash Flow
MPWR
MPWR
PLNT
PLNT
Q4 25
$63.9M
$59.0M
Q3 25
$196.8M
$76.7M
Q2 25
$189.5M
$8.2M
Q1 25
$216.0M
$110.9M
Q4 24
$102.9M
$7.0M
Q3 24
$197.9M
$78.2M
Q2 24
$109.5M
$40.2M
Q1 24
$232.1M
$63.4M
FCF Margin
MPWR
MPWR
PLNT
PLNT
Q4 25
8.5%
15.7%
Q3 25
26.7%
23.2%
Q2 25
28.5%
2.4%
Q1 25
33.9%
40.1%
Q4 24
16.5%
2.1%
Q3 24
31.9%
26.7%
Q2 24
21.6%
13.4%
Q1 24
50.7%
25.6%
Capex Intensity
MPWR
MPWR
PLNT
PLNT
Q4 25
5.5%
13.3%
Q3 25
5.8%
16.6%
Q2 25
7.2%
10.5%
Q1 25
6.3%
8.3%
Q4 24
10.4%
12.4%
Q3 24
5.5%
16.6%
Q2 24
6.2%
12.6%
Q1 24
3.5%
10.6%
Cash Conversion
MPWR
MPWR
PLNT
PLNT
Q4 25
0.61×
1.81×
Q3 25
1.33×
2.23×
Q2 25
1.76×
0.76×
Q1 25
1.90×
3.20×
Q4 24
0.13×
1.04×
Q3 24
1.60×
3.02×
Q2 24
1.40×
1.61×
Q1 24
2.68×
2.62×

Financial Flow Comparison

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

Revenue Breakdown by Segment

MPWR
MPWR

Segment breakdown not available.

PLNT
PLNT

Corporate Owned Club Segment$135.6M36%
Equipment Revenue$121.2M32%
Franchise$98.6M26%
Advertising$20.8M6%
Related Party$4.3M1%

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