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Side-by-side financial comparison of CLEANSPARK, INC. (CLSK) and Proto Labs Inc (PRLB). Click either name above to swap in a different company.

CLEANSPARK, INC. is the larger business by last-quarter revenue ($181.2M vs $139.3M, roughly 1.3× Proto Labs Inc). Proto Labs Inc runs the higher net margin — 5.8% vs -209.0%, a 214.8% gap on every dollar of revenue. On growth, CLEANSPARK, INC. posted the faster year-over-year revenue change (11.6% vs 10.4%). Over the past eight quarters, CLEANSPARK, INC.'s revenue compounded faster (106.4% CAGR vs 5.3%).

CleanSpark, Inc. is a U.S.-headquartered sustainable technology company operating two core business segments: low-carbon Bitcoin mining powered primarily by renewable and stranded energy resources, and end-to-end microgrid design, deployment, and operation services for commercial, industrial, and public sector clients across North America.

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...

CLSK vs PRLB — Head-to-Head

Bigger by revenue
CLSK
CLSK
1.3× larger
CLSK
$181.2M
$139.3M
PRLB
Growing faster (revenue YoY)
CLSK
CLSK
+1.2% gap
CLSK
11.6%
10.4%
PRLB
Higher net margin
PRLB
PRLB
214.8% more per $
PRLB
5.8%
-209.0%
CLSK
Faster 2-yr revenue CAGR
CLSK
CLSK
Annualised
CLSK
106.4%
5.3%
PRLB

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
CLSK
CLSK
PRLB
PRLB
Revenue
$181.2M
$139.3M
Net Profit
$-378.7M
$8.1M
Gross Margin
47.2%
45.6%
Operating Margin
-174.7%
7.1%
Net Margin
-209.0%
5.8%
Revenue YoY
11.6%
10.4%
Net Profit YoY
-253.5%
125.4%
EPS (diluted)
$0.29

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
CLSK
CLSK
PRLB
PRLB
Q1 26
$139.3M
Q4 25
$181.2M
$136.5M
Q3 25
$135.4M
Q2 25
$135.1M
Q1 25
$126.2M
Q4 24
$121.8M
Q3 24
$89.3M
$125.6M
Q2 24
$104.1M
$125.6M
Net Profit
CLSK
CLSK
PRLB
PRLB
Q1 26
$8.1M
Q4 25
$-378.7M
Q3 25
$7.2M
Q2 25
$4.4M
Q1 25
$3.6M
Q4 24
Q3 24
$-62.2M
$7.2M
Q2 24
$-236.2M
$4.5M
Gross Margin
CLSK
CLSK
PRLB
PRLB
Q1 26
45.6%
Q4 25
47.2%
44.2%
Q3 25
45.3%
Q2 25
44.3%
Q1 25
44.1%
Q4 24
42.7%
Q3 24
36.0%
45.6%
Q2 24
56.6%
45.0%
Operating Margin
CLSK
CLSK
PRLB
PRLB
Q1 26
7.1%
Q4 25
-174.7%
5.0%
Q3 25
6.5%
Q2 25
3.7%
Q1 25
3.6%
Q4 24
-1.2%
Q3 24
-73.5%
6.8%
Q2 24
-239.2%
4.8%
Net Margin
CLSK
CLSK
PRLB
PRLB
Q1 26
5.8%
Q4 25
-209.0%
Q3 25
5.3%
Q2 25
3.3%
Q1 25
2.9%
Q4 24
Q3 24
-69.6%
5.7%
Q2 24
-226.9%
3.6%
EPS (diluted)
CLSK
CLSK
PRLB
PRLB
Q1 26
$0.29
Q4 25
$0.25
Q3 25
$0.30
Q2 25
$0.18
Q1 25
$0.15
Q4 24
$-0.01
Q3 24
$0.29
Q2 24
$0.18

Balance Sheet & Financial Strength

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

Metric
CLSK
CLSK
PRLB
PRLB
Cash + ST InvestmentsLiquidity on hand
$458.1M
$124.0M
Total DebtLower is stronger
$1.8B
Stockholders' EquityBook value
$1.4B
$683.1M
Total Assets
$3.3B
$778.6M
Debt / EquityLower = less leverage
1.29×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CLSK
CLSK
PRLB
PRLB
Q1 26
$124.0M
Q4 25
$458.1M
$128.1M
Q3 25
$119.2M
Q2 25
$103.2M
Q1 25
$96.8M
Q4 24
$103.1M
Q3 24
$121.2M
$100.5M
Q2 24
$126.1M
$112.9M
Total Debt
CLSK
CLSK
PRLB
PRLB
Q1 26
Q4 25
$1.8B
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
$7.2M
Q2 24
$1.3M
Stockholders' Equity
CLSK
CLSK
PRLB
PRLB
Q1 26
$683.1M
Q4 25
$1.4B
$673.9M
Q3 25
$664.7M
Q2 25
$664.7M
Q1 25
$656.8M
Q4 24
$670.2M
Q3 24
$1.8B
$680.0M
Q2 24
$1.4B
$685.2M
Total Assets
CLSK
CLSK
PRLB
PRLB
Q1 26
$778.6M
Q4 25
$3.3B
$763.4M
Q3 25
$756.9M
Q2 25
$743.3M
Q1 25
$737.5M
Q4 24
$743.5M
Q3 24
$2.0B
$753.8M
Q2 24
$1.5B
$758.2M
Debt / Equity
CLSK
CLSK
PRLB
PRLB
Q1 26
Q4 25
1.29×
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
0.00×
Q2 24
0.00×

Cash Flow & Capital Efficiency

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

Metric
CLSK
CLSK
PRLB
PRLB
Operating Cash FlowLast quarter
$-161.1M
$17.5M
Free Cash FlowOCF − Capex
$-198.1M
FCF MarginFCF / Revenue
-109.3%
Capex IntensityCapex / Revenue
20.4%
Cash ConversionOCF / Net Profit
2.16×
TTM Free Cash FlowTrailing 4 quarters
$-626.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CLSK
CLSK
PRLB
PRLB
Q1 26
$17.5M
Q4 25
$-161.1M
$16.5M
Q3 25
$29.1M
Q2 25
$10.6M
Q1 25
$18.4M
Q4 24
$17.3M
Q3 24
$-233.7M
$24.8M
Q2 24
$-58.4M
$14.4M
Free Cash Flow
CLSK
CLSK
PRLB
PRLB
Q1 26
Q4 25
$-198.1M
$8.4M
Q3 25
$25.0M
Q2 25
$9.1M
Q1 25
$17.1M
Q4 24
$16.5M
Q3 24
$-299.8M
$23.2M
Q2 24
$-68.7M
$10.2M
FCF Margin
CLSK
CLSK
PRLB
PRLB
Q1 26
Q4 25
-109.3%
6.2%
Q3 25
18.5%
Q2 25
6.7%
Q1 25
13.6%
Q4 24
13.5%
Q3 24
-335.8%
18.5%
Q2 24
-66.0%
8.2%
Capex Intensity
CLSK
CLSK
PRLB
PRLB
Q1 26
Q4 25
20.4%
5.9%
Q3 25
3.0%
Q2 25
1.1%
Q1 25
1.0%
Q4 24
0.7%
Q3 24
74.0%
1.2%
Q2 24
9.9%
3.3%
Cash Conversion
CLSK
CLSK
PRLB
PRLB
Q1 26
2.16×
Q4 25
Q3 25
4.03×
Q2 25
2.39×
Q1 25
5.11×
Q4 24
Q3 24
3.44×
Q2 24
3.18×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CLSK
CLSK

Segment breakdown not available.

PRLB
PRLB

CNC Machining$63.2M45%
Injection Molding$51.1M37%
3D Printing$20.5M15%
Sheet Metal$4.4M3%
Other Revenue$207.0K0%

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