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Side-by-side financial comparison of Apollo Commercial Real Estate Finance, Inc. (ARI) and Proto Labs Inc (PRLB). Click either name above to swap in a different company.

Proto Labs Inc is the larger business by last-quarter revenue ($136.5M vs $73.3M, roughly 1.9× Apollo Commercial Real Estate Finance, Inc.). On growth, Proto Labs Inc posted the faster year-over-year revenue change (12.1% vs 4.0%). Over the past eight quarters, Proto Labs Inc's revenue compounded faster (3.3% CAGR vs -4.6%).

Apollo Commercial Real Estate Finance, Inc. is a real estate investment trust that originates, acquires and manages commercial real estate debt assets including mortgages, mezzanine loans and mortgage-backed securities, primarily operating in the U.S. market to deliver consistent risk-adjusted returns.

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...

ARI vs PRLB — Head-to-Head

Bigger by revenue
PRLB
PRLB
1.9× larger
PRLB
$136.5M
$73.3M
ARI
Growing faster (revenue YoY)
PRLB
PRLB
+8.1% gap
PRLB
12.1%
4.0%
ARI
Faster 2-yr revenue CAGR
PRLB
PRLB
Annualised
PRLB
3.3%
-4.6%
ARI

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ARI
ARI
PRLB
PRLB
Revenue
$73.3M
$136.5M
Net Profit
$29.2M
Gross Margin
44.2%
Operating Margin
39.7%
5.0%
Net Margin
39.9%
Revenue YoY
4.0%
12.1%
Net Profit YoY
-28.2%
EPS (diluted)
$0.19
$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
ARI
ARI
PRLB
PRLB
Q4 25
$73.3M
$136.5M
Q3 25
$61.6M
$135.4M
Q2 25
$70.9M
$135.1M
Q1 25
$65.8M
$126.2M
Q4 24
$70.5M
$121.8M
Q3 24
$71.6M
$125.6M
Q2 24
$81.1M
$125.6M
Q1 24
$80.5M
$127.9M
Net Profit
ARI
ARI
PRLB
PRLB
Q4 25
$29.2M
Q3 25
$50.8M
$7.2M
Q2 25
$20.7M
$4.4M
Q1 25
$26.0M
$3.6M
Q4 24
$40.7M
Q3 24
$-91.5M
$7.2M
Q2 24
$35.8M
$4.5M
Q1 24
$-104.5M
$5.3M
Gross Margin
ARI
ARI
PRLB
PRLB
Q4 25
44.2%
Q3 25
45.3%
Q2 25
44.3%
Q1 25
44.1%
Q4 24
42.7%
Q3 24
45.6%
Q2 24
45.0%
Q1 24
44.9%
Operating Margin
ARI
ARI
PRLB
PRLB
Q4 25
39.7%
5.0%
Q3 25
82.8%
6.5%
Q2 25
29.4%
3.7%
Q1 25
39.7%
3.6%
Q4 24
57.9%
-1.2%
Q3 24
-127.8%
6.8%
Q2 24
44.2%
4.8%
Q1 24
-129.6%
5.3%
Net Margin
ARI
ARI
PRLB
PRLB
Q4 25
39.9%
Q3 25
82.4%
5.3%
Q2 25
29.3%
3.3%
Q1 25
39.5%
2.9%
Q4 24
57.7%
Q3 24
-127.9%
5.7%
Q2 24
44.1%
3.6%
Q1 24
-129.8%
4.1%
EPS (diluted)
ARI
ARI
PRLB
PRLB
Q4 25
$0.19
$0.25
Q3 25
$0.34
$0.30
Q2 25
$0.12
$0.18
Q1 25
$0.16
$0.15
Q4 24
$0.25
$-0.01
Q3 24
$-0.69
$0.29
Q2 24
$0.23
$0.18
Q1 24
$-0.76
$0.20

Balance Sheet & Financial Strength

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

Metric
ARI
ARI
PRLB
PRLB
Cash + ST InvestmentsLiquidity on hand
$139.8M
$128.1M
Total DebtLower is stronger
Stockholders' EquityBook value
$1.9B
$673.9M
Total Assets
$9.9B
$763.4M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ARI
ARI
PRLB
PRLB
Q4 25
$139.8M
$128.1M
Q3 25
$245.9M
$119.2M
Q2 25
$177.6M
$103.2M
Q1 25
$166.4M
$96.8M
Q4 24
$317.4M
$103.1M
Q3 24
$194.3M
$100.5M
Q2 24
$174.7M
$112.9M
Q1 24
$161.2M
$109.7M
Stockholders' Equity
ARI
ARI
PRLB
PRLB
Q4 25
$1.9B
$673.9M
Q3 25
$1.9B
$664.7M
Q2 25
$1.8B
$664.7M
Q1 25
$1.9B
$656.8M
Q4 24
$1.9B
$670.2M
Q3 24
$1.9B
$680.0M
Q2 24
$2.0B
$685.2M
Q1 24
$2.0B
$687.3M
Total Assets
ARI
ARI
PRLB
PRLB
Q4 25
$9.9B
$763.4M
Q3 25
$9.5B
$756.9M
Q2 25
$9.8B
$743.3M
Q1 25
$8.8B
$737.5M
Q4 24
$8.4B
$743.5M
Q3 24
$9.1B
$753.8M
Q2 24
$9.3B
$758.2M
Q1 24
$9.2B
$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
ARI
ARI
PRLB
PRLB
Operating Cash FlowLast quarter
$142.5M
$16.5M
Free Cash FlowOCF − Capex
$8.4M
FCF MarginFCF / Revenue
6.2%
Capex IntensityCapex / Revenue
5.9%
Cash ConversionOCF / Net Profit
4.88×
TTM Free Cash FlowTrailing 4 quarters
$59.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ARI
ARI
PRLB
PRLB
Q4 25
$142.5M
$16.5M
Q3 25
$31.7M
$29.1M
Q2 25
$63.2M
$10.6M
Q1 25
$39.3M
$18.4M
Q4 24
$200.3M
$17.3M
Q3 24
$47.2M
$24.8M
Q2 24
$50.2M
$14.4M
Q1 24
$52.8M
$21.3M
Free Cash Flow
ARI
ARI
PRLB
PRLB
Q4 25
$8.4M
Q3 25
$25.0M
Q2 25
$9.1M
Q1 25
$17.1M
Q4 24
$16.5M
Q3 24
$23.2M
Q2 24
$10.2M
Q1 24
$18.8M
FCF Margin
ARI
ARI
PRLB
PRLB
Q4 25
6.2%
Q3 25
18.5%
Q2 25
6.7%
Q1 25
13.6%
Q4 24
13.5%
Q3 24
18.5%
Q2 24
8.2%
Q1 24
14.7%
Capex Intensity
ARI
ARI
PRLB
PRLB
Q4 25
5.9%
Q3 25
3.0%
Q2 25
1.1%
Q1 25
1.0%
Q4 24
0.7%
Q3 24
1.2%
Q2 24
3.3%
Q1 24
2.0%
Cash Conversion
ARI
ARI
PRLB
PRLB
Q4 25
4.88×
Q3 25
0.62×
4.03×
Q2 25
3.05×
2.39×
Q1 25
1.51×
5.11×
Q4 24
4.93×
Q3 24
3.44×
Q2 24
1.40×
3.18×
Q1 24
4.05×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ARI
ARI

Segment breakdown not available.

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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