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Side-by-side financial comparison of Alarm.com Holdings, Inc. (ALRM) and Proto Labs Inc (PRLB). Click either name above to swap in a different company.

Alarm.com Holdings, Inc. is the larger business by last-quarter revenue ($261.7M vs $136.5M, roughly 1.9× Proto Labs Inc). On growth, Proto Labs Inc posted the faster year-over-year revenue change (12.1% vs 8.0%). Alarm.com Holdings, Inc. produced more free cash flow last quarter ($35.1M vs $8.4M). Over the past eight quarters, Alarm.com Holdings, Inc.'s revenue compounded faster (8.3% CAGR vs 3.3%).

Alarm.com, Inc. is an American technology company that provides cloud-based services for remote control, home automation, and alarm monitoring services. The company was founded in 2000 as a spinoff from MicroStrategy. The company is based in Tysons, Virginia.

Protolabs is a company that provides rapid manufacturing of 3D printed, CNC-machined, sheet metal, and injection-molded custom parts for prototyping and production. Markets like medical devices, aerospace, electronics, appliances, automotive and consumer products use these parts. Protolabs' headquarters are located in Maple Plain, Minnesota, with Minnesota-based manufacturing facilities in Plymouth, Brooklyn Park, and Rosemount, along with additional facilities in Nashua, New Hampshire and Ca...

ALRM vs PRLB — Head-to-Head

Bigger by revenue
ALRM
ALRM
1.9× larger
ALRM
$261.7M
$136.5M
PRLB
Growing faster (revenue YoY)
PRLB
PRLB
+4.1% gap
PRLB
12.1%
8.0%
ALRM
More free cash flow
ALRM
ALRM
$26.7M more FCF
ALRM
$35.1M
$8.4M
PRLB
Faster 2-yr revenue CAGR
ALRM
ALRM
Annualised
ALRM
8.3%
3.3%
PRLB

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ALRM
ALRM
PRLB
PRLB
Revenue
$261.7M
$136.5M
Net Profit
$34.6M
Gross Margin
66.0%
44.2%
Operating Margin
13.4%
5.0%
Net Margin
13.2%
Revenue YoY
8.0%
12.1%
Net Profit YoY
14.8%
EPS (diluted)
$0.66
$0.25

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
ALRM
ALRM
PRLB
PRLB
Q4 25
$261.7M
$136.5M
Q3 25
$256.4M
$135.4M
Q2 25
$254.3M
$135.1M
Q1 25
$238.8M
$126.2M
Q4 24
$242.2M
$121.8M
Q3 24
$240.5M
$125.6M
Q2 24
$233.8M
$125.6M
Q1 24
$223.3M
$127.9M
Net Profit
ALRM
ALRM
PRLB
PRLB
Q4 25
$34.6M
Q3 25
$35.1M
$7.2M
Q2 25
$34.2M
$4.4M
Q1 25
$27.7M
$3.6M
Q4 24
$30.1M
Q3 24
$36.7M
$7.2M
Q2 24
$33.5M
$4.5M
Q1 24
$23.6M
$5.3M
Gross Margin
ALRM
ALRM
PRLB
PRLB
Q4 25
66.0%
44.2%
Q3 25
65.8%
45.3%
Q2 25
65.6%
44.3%
Q1 25
67.2%
44.1%
Q4 24
65.5%
42.7%
Q3 24
64.8%
45.6%
Q2 24
65.2%
45.0%
Q1 24
65.7%
44.9%
Operating Margin
ALRM
ALRM
PRLB
PRLB
Q4 25
13.4%
5.0%
Q3 25
14.4%
6.5%
Q2 25
12.6%
3.7%
Q1 25
12.4%
3.6%
Q4 24
12.7%
-1.2%
Q3 24
13.8%
6.8%
Q2 24
11.0%
4.8%
Q1 24
8.4%
5.3%
Net Margin
ALRM
ALRM
PRLB
PRLB
Q4 25
13.2%
Q3 25
13.7%
5.3%
Q2 25
13.5%
3.3%
Q1 25
11.6%
2.9%
Q4 24
12.4%
Q3 24
15.3%
5.7%
Q2 24
14.3%
3.6%
Q1 24
10.6%
4.1%
EPS (diluted)
ALRM
ALRM
PRLB
PRLB
Q4 25
$0.66
$0.25
Q3 25
$0.65
$0.30
Q2 25
$0.63
$0.18
Q1 25
$0.52
$0.15
Q4 24
$0.56
$-0.01
Q3 24
$0.67
$0.29
Q2 24
$0.62
$0.18
Q1 24
$0.44
$0.20

Balance Sheet & Financial Strength

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

Metric
ALRM
ALRM
PRLB
PRLB
Cash + ST InvestmentsLiquidity on hand
$960.6M
$128.1M
Total DebtLower is stronger
Stockholders' EquityBook value
$848.2M
$673.9M
Total Assets
$2.1B
$763.4M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ALRM
ALRM
PRLB
PRLB
Q4 25
$960.6M
$128.1M
Q3 25
$1.1B
$119.2M
Q2 25
$1.0B
$103.2M
Q1 25
$1.2B
$96.8M
Q4 24
$1.2B
$103.1M
Q3 24
$1.2B
$100.5M
Q2 24
$1.1B
$112.9M
Q1 24
$747.9M
$109.7M
Stockholders' Equity
ALRM
ALRM
PRLB
PRLB
Q4 25
$848.2M
$673.9M
Q3 25
$827.2M
$664.7M
Q2 25
$797.3M
$664.7M
Q1 25
$759.6M
$656.8M
Q4 24
$726.5M
$670.2M
Q3 24
$690.3M
$680.0M
Q2 24
$645.5M
$685.2M
Q1 24
$728.1M
$687.3M
Total Assets
ALRM
ALRM
PRLB
PRLB
Q4 25
$2.1B
$763.4M
Q3 25
$2.1B
$756.9M
Q2 25
$2.1B
$743.3M
Q1 25
$2.1B
$737.5M
Q4 24
$2.0B
$743.5M
Q3 24
$2.0B
$753.8M
Q2 24
$1.9B
$758.2M
Q1 24
$1.5B
$769.8M

Cash Flow & Capital Efficiency

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

Metric
ALRM
ALRM
PRLB
PRLB
Operating Cash FlowLast quarter
$35.9M
$16.5M
Free Cash FlowOCF − Capex
$35.1M
$8.4M
FCF MarginFCF / Revenue
13.4%
6.2%
Capex IntensityCapex / Revenue
0.3%
5.9%
Cash ConversionOCF / Net Profit
1.04×
TTM Free Cash FlowTrailing 4 quarters
$137.0M
$59.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ALRM
ALRM
PRLB
PRLB
Q4 25
$35.9M
$16.5M
Q3 25
$70.6M
$29.1M
Q2 25
$22.7M
$10.6M
Q1 25
$24.1M
$18.4M
Q4 24
$56.3M
$17.3M
Q3 24
$77.3M
$24.8M
Q2 24
$23.0M
$14.4M
Q1 24
$49.9M
$21.3M
Free Cash Flow
ALRM
ALRM
PRLB
PRLB
Q4 25
$35.1M
$8.4M
Q3 25
$65.9M
$25.0M
Q2 25
$18.2M
$9.1M
Q1 25
$17.9M
$17.1M
Q4 24
$54.0M
$16.5M
Q3 24
$74.5M
$23.2M
Q2 24
$21.0M
$10.2M
Q1 24
$46.8M
$18.8M
FCF Margin
ALRM
ALRM
PRLB
PRLB
Q4 25
13.4%
6.2%
Q3 25
25.7%
18.5%
Q2 25
7.1%
6.7%
Q1 25
7.5%
13.6%
Q4 24
22.3%
13.5%
Q3 24
31.0%
18.5%
Q2 24
9.0%
8.2%
Q1 24
21.0%
14.7%
Capex Intensity
ALRM
ALRM
PRLB
PRLB
Q4 25
0.3%
5.9%
Q3 25
1.9%
3.0%
Q2 25
1.8%
1.1%
Q1 25
2.6%
1.0%
Q4 24
0.9%
0.7%
Q3 24
1.2%
1.2%
Q2 24
0.9%
3.3%
Q1 24
1.4%
2.0%
Cash Conversion
ALRM
ALRM
PRLB
PRLB
Q4 25
1.04×
Q3 25
2.01×
4.03×
Q2 25
0.66×
2.39×
Q1 25
0.87×
5.11×
Q4 24
1.87×
Q3 24
2.11×
3.44×
Q2 24
0.69×
3.18×
Q1 24
2.11×
4.05×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ALRM
ALRM

License And Service$180.2M69%
Hardwareand Other Revenue$81.4M31%

PRLB
PRLB

CNC Machining Firstcut$65.5M48%
Injection Molding Protomold$47.6M35%
Three D Printing Fineline$18.8M14%
Sheet Metal$4.4M3%

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