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Side-by-side financial comparison of IPG PHOTONICS CORP (IPGP) and Limbach Holdings, Inc. (LMB). Click either name above to swap in a different company.

IPG PHOTONICS CORP is the larger business by last-quarter revenue ($274.5M vs $186.9M, roughly 1.5× Limbach Holdings, Inc.). Limbach Holdings, Inc. runs the higher net margin — 6.6% vs 4.8%, a 1.7% gap on every dollar of revenue. On growth, Limbach Holdings, Inc. posted the faster year-over-year revenue change (30.1% vs 17.1%). Limbach Holdings, Inc. produced more free cash flow last quarter ($27.9M vs $10.9M). Over the past eight quarters, Limbach Holdings, Inc.'s revenue compounded faster (25.3% CAGR vs 4.4%).

IPG Photonics Corporation is a manufacturer of fiber lasers. IPG Photonics developed and commercialized optical fiber lasers, which are used in a variety of applications including materials processing, medical applications and telecommunications. IPG has manufacturing facilities in the United States, Germany, Russia and Italy.

Limbach Flugmotoren is a Chinese-owned company based in Germany that produces aircraft engines.

IPGP vs LMB — Head-to-Head

Bigger by revenue
IPGP
IPGP
1.5× larger
IPGP
$274.5M
$186.9M
LMB
Growing faster (revenue YoY)
LMB
LMB
+13.0% gap
LMB
30.1%
17.1%
IPGP
Higher net margin
LMB
LMB
1.7% more per $
LMB
6.6%
4.8%
IPGP
More free cash flow
LMB
LMB
$17.0M more FCF
LMB
$27.9M
$10.9M
IPGP
Faster 2-yr revenue CAGR
LMB
LMB
Annualised
LMB
25.3%
4.4%
IPGP

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
IPGP
IPGP
LMB
LMB
Revenue
$274.5M
$186.9M
Net Profit
$13.3M
$12.3M
Gross Margin
36.1%
25.7%
Operating Margin
1.2%
9.4%
Net Margin
4.8%
6.6%
Revenue YoY
17.1%
30.1%
Net Profit YoY
69.8%
25.0%
EPS (diluted)
$0.30
$1.01

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
IPGP
IPGP
LMB
LMB
Q4 25
$274.5M
$186.9M
Q3 25
$250.8M
$184.6M
Q2 25
$250.7M
$142.2M
Q1 25
$227.8M
$133.1M
Q4 24
$234.3M
$143.7M
Q3 24
$233.1M
$133.9M
Q2 24
$257.6M
$122.2M
Q1 24
$252.0M
$119.0M
Net Profit
IPGP
IPGP
LMB
LMB
Q4 25
$13.3M
$12.3M
Q3 25
$7.5M
$8.8M
Q2 25
$6.6M
$7.8M
Q1 25
$3.8M
$10.2M
Q4 24
$7.8M
$9.8M
Q3 24
$-233.6M
$7.5M
Q2 24
$20.2M
$6.0M
Q1 24
$24.1M
$7.6M
Gross Margin
IPGP
IPGP
LMB
LMB
Q4 25
36.1%
25.7%
Q3 25
39.5%
24.2%
Q2 25
37.3%
28.0%
Q1 25
39.4%
27.6%
Q4 24
38.6%
30.3%
Q3 24
23.2%
27.0%
Q2 24
37.3%
27.4%
Q1 24
38.7%
26.1%
Operating Margin
IPGP
IPGP
LMB
LMB
Q4 25
1.2%
9.4%
Q3 25
3.1%
7.2%
Q2 25
0.0%
7.5%
Q1 25
0.8%
5.9%
Q4 24
6.0%
9.1%
Q3 24
-108.7%
8.1%
Q2 24
4.7%
6.7%
Q1 24
7.6%
5.5%
Net Margin
IPGP
IPGP
LMB
LMB
Q4 25
4.8%
6.6%
Q3 25
3.0%
4.8%
Q2 25
2.6%
5.5%
Q1 25
1.6%
7.7%
Q4 24
3.3%
6.9%
Q3 24
-100.2%
5.6%
Q2 24
7.8%
4.9%
Q1 24
9.6%
6.4%
EPS (diluted)
IPGP
IPGP
LMB
LMB
Q4 25
$0.30
$1.01
Q3 25
$0.18
$0.73
Q2 25
$0.16
$0.64
Q1 25
$0.09
$0.85
Q4 24
$0.27
$0.81
Q3 24
$-5.33
$0.62
Q2 24
$0.45
$0.50
Q1 24
$0.52
$0.64

Balance Sheet & Financial Strength

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

Metric
IPGP
IPGP
LMB
LMB
Cash + ST InvestmentsLiquidity on hand
$839.3M
$11.3M
Total DebtLower is stronger
$30.5M
Stockholders' EquityBook value
$2.1B
$195.7M
Total Assets
$2.4B
$381.1M
Debt / EquityLower = less leverage
0.16×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IPGP
IPGP
LMB
LMB
Q4 25
$839.3M
$11.3M
Q3 25
$870.4M
$9.8M
Q2 25
$899.6M
$38.9M
Q1 25
$926.9M
$38.1M
Q4 24
$930.2M
$44.9M
Q3 24
$1.0B
$51.2M
Q2 24
$1.1B
$59.5M
Q1 24
$1.1B
$48.2M
Total Debt
IPGP
IPGP
LMB
LMB
Q4 25
$30.5M
Q3 25
$56.3M
Q2 25
$28.4M
Q1 25
$23.7M
Q4 24
$23.6M
Q3 24
$20.5M
Q2 24
$19.7M
Q1 24
$19.4M
Stockholders' Equity
IPGP
IPGP
LMB
LMB
Q4 25
$2.1B
$195.7M
Q3 25
$2.1B
$181.6M
Q2 25
$2.1B
$170.5M
Q1 25
$2.1B
$161.1M
Q4 24
$2.0B
$153.5M
Q3 24
$2.1B
$142.2M
Q2 24
$2.3B
$133.0M
Q1 24
$2.3B
$125.5M
Total Assets
IPGP
IPGP
LMB
LMB
Q4 25
$2.4B
$381.1M
Q3 25
$2.4B
$409.1M
Q2 25
$2.4B
$343.0M
Q1 25
$2.3B
$336.4M
Q4 24
$2.3B
$352.1M
Q3 24
$2.4B
$324.4M
Q2 24
$2.5B
$303.9M
Q1 24
$2.6B
$289.2M
Debt / Equity
IPGP
IPGP
LMB
LMB
Q4 25
0.16×
Q3 25
0.31×
Q2 25
0.17×
Q1 25
0.15×
Q4 24
0.15×
Q3 24
0.14×
Q2 24
0.15×
Q1 24
0.15×

Cash Flow & Capital Efficiency

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

Metric
IPGP
IPGP
LMB
LMB
Operating Cash FlowLast quarter
$28.8M
$28.1M
Free Cash FlowOCF − Capex
$10.9M
$27.9M
FCF MarginFCF / Revenue
4.0%
14.9%
Capex IntensityCapex / Revenue
6.5%
0.1%
Cash ConversionOCF / Net Profit
2.17×
2.29×
TTM Free Cash FlowTrailing 4 quarters
$-3.5M
$41.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IPGP
IPGP
LMB
LMB
Q4 25
$28.8M
$28.1M
Q3 25
$35.3M
$13.3M
Q2 25
$-2.2M
$2.0M
Q1 25
$13.4M
$2.2M
Q4 24
$73.8M
$19.3M
Q3 24
$66.1M
$4.9M
Q2 24
$53.5M
$16.5M
Q1 24
$54.6M
$-3.9M
Free Cash Flow
IPGP
IPGP
LMB
LMB
Q4 25
$10.9M
$27.9M
Q3 25
$14.6M
$12.8M
Q2 25
$-17.6M
$1.2M
Q1 25
$-11.4M
$11.0K
Q4 24
$50.6M
$18.0M
Q3 24
$43.0M
$4.6M
Q2 24
$29.2M
$13.2M
Q1 24
$26.5M
$-6.5M
FCF Margin
IPGP
IPGP
LMB
LMB
Q4 25
4.0%
14.9%
Q3 25
5.8%
7.0%
Q2 25
-7.0%
0.8%
Q1 25
-5.0%
0.0%
Q4 24
21.6%
12.5%
Q3 24
18.4%
3.4%
Q2 24
11.3%
10.8%
Q1 24
10.5%
-5.5%
Capex Intensity
IPGP
IPGP
LMB
LMB
Q4 25
6.5%
0.1%
Q3 25
8.3%
0.3%
Q2 25
6.1%
0.6%
Q1 25
10.9%
1.7%
Q4 24
9.9%
0.9%
Q3 24
9.9%
0.3%
Q2 24
9.4%
2.7%
Q1 24
11.1%
2.1%
Cash Conversion
IPGP
IPGP
LMB
LMB
Q4 25
2.17×
2.29×
Q3 25
4.73×
1.52×
Q2 25
-0.34×
0.26×
Q1 25
3.58×
0.22×
Q4 24
9.44×
1.96×
Q3 24
0.66×
Q2 24
2.65×
2.77×
Q1 24
2.27×
-0.52×

Financial Flow Comparison

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

Revenue Breakdown by Segment

IPGP
IPGP

Materials Processing$232.8M85%
Laser And Non Laser Systems$38.8M14%
Transferred Over Time$5.3M2%

LMB
LMB

Owner Direct Relationships Segment$145.0M78%
General Contractor Construction Manager Relationships Segment$41.9M22%

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