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Side-by-side financial comparison of IPG PHOTONICS CORP (IPGP) and PTC THERAPEUTICS, INC. (PTCT). Click either name above to swap in a different company.

IPG PHOTONICS CORP is the larger business by last-quarter revenue ($274.5M vs $164.7M, roughly 1.7× PTC THERAPEUTICS, INC.). IPG PHOTONICS CORP runs the higher net margin — 4.8% vs -82.0%, a 86.8% gap on every dollar of revenue. On growth, IPG PHOTONICS CORP posted the faster year-over-year revenue change (17.1% vs -22.7%). IPG PHOTONICS CORP produced more free cash flow last quarter ($10.9M vs $-36.6M). Over the past eight quarters, IPG PHOTONICS CORP's revenue compounded faster (4.4% CAGR vs -11.5%).

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.

PTC Therapeutics, Inc. is a US pharmaceutical company focused on the development of orally administered small molecule drugs and gene therapy which regulate gene expression by targeting post-transcriptional control (PTC) mechanisms in orphan diseases.

IPGP vs PTCT — Head-to-Head

Bigger by revenue
IPGP
IPGP
1.7× larger
IPGP
$274.5M
$164.7M
PTCT
Growing faster (revenue YoY)
IPGP
IPGP
+39.9% gap
IPGP
17.1%
-22.7%
PTCT
Higher net margin
IPGP
IPGP
86.8% more per $
IPGP
4.8%
-82.0%
PTCT
More free cash flow
IPGP
IPGP
$47.6M more FCF
IPGP
$10.9M
$-36.6M
PTCT
Faster 2-yr revenue CAGR
IPGP
IPGP
Annualised
IPGP
4.4%
-11.5%
PTCT

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
IPGP
IPGP
PTCT
PTCT
Revenue
$274.5M
$164.7M
Net Profit
$13.3M
$-135.0M
Gross Margin
36.1%
Operating Margin
1.2%
-43.3%
Net Margin
4.8%
-82.0%
Revenue YoY
17.1%
-22.7%
Net Profit YoY
69.8%
-104.8%
EPS (diluted)
$0.30
$-1.63

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
PTCT
PTCT
Q4 25
$274.5M
$164.7M
Q3 25
$250.8M
$211.0M
Q2 25
$250.7M
$178.9M
Q1 25
$227.8M
$1.2B
Q4 24
$234.3M
$213.2M
Q3 24
$233.1M
$196.8M
Q2 24
$257.6M
$186.7M
Q1 24
$252.0M
$210.1M
Net Profit
IPGP
IPGP
PTCT
PTCT
Q4 25
$13.3M
$-135.0M
Q3 25
$7.5M
$15.9M
Q2 25
$6.6M
$-64.8M
Q1 25
$3.8M
$866.6M
Q4 24
$7.8M
$-65.9M
Q3 24
$-233.6M
$-106.7M
Q2 24
$20.2M
$-99.2M
Q1 24
$24.1M
$-91.6M
Gross Margin
IPGP
IPGP
PTCT
PTCT
Q4 25
36.1%
Q3 25
39.5%
Q2 25
37.3%
Q1 25
39.4%
Q4 24
38.6%
Q3 24
23.2%
Q2 24
37.3%
Q1 24
38.7%
Operating Margin
IPGP
IPGP
PTCT
PTCT
Q4 25
1.2%
-43.3%
Q3 25
3.1%
1.4%
Q2 25
0.0%
-19.5%
Q1 25
0.8%
82.5%
Q4 24
6.0%
-76.2%
Q3 24
-108.7%
-27.7%
Q2 24
4.7%
-21.5%
Q1 24
7.6%
-21.6%
Net Margin
IPGP
IPGP
PTCT
PTCT
Q4 25
4.8%
-82.0%
Q3 25
3.0%
7.5%
Q2 25
2.6%
-36.3%
Q1 25
1.6%
73.7%
Q4 24
3.3%
-30.9%
Q3 24
-100.2%
-54.2%
Q2 24
7.8%
-53.1%
Q1 24
9.6%
-43.6%
EPS (diluted)
IPGP
IPGP
PTCT
PTCT
Q4 25
$0.30
$-1.63
Q3 25
$0.18
$0.20
Q2 25
$0.16
$-0.83
Q1 25
$0.09
$10.04
Q4 24
$0.27
$-0.85
Q3 24
$-5.33
$-1.39
Q2 24
$0.45
$-1.29
Q1 24
$0.52
$-1.20

Balance Sheet & Financial Strength

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

Metric
IPGP
IPGP
PTCT
PTCT
Cash + ST InvestmentsLiquidity on hand
$839.3M
$1.9B
Total DebtLower is stronger
Stockholders' EquityBook value
$2.1B
$-205.3M
Total Assets
$2.4B
$2.9B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IPGP
IPGP
PTCT
PTCT
Q4 25
$839.3M
$1.9B
Q3 25
$870.4M
$1.7B
Q2 25
$899.6M
$2.0B
Q1 25
$926.9M
$2.0B
Q4 24
$930.2M
$1.1B
Q3 24
$1.0B
$1.0B
Q2 24
$1.1B
$1.1B
Q1 24
$1.1B
$884.8M
Stockholders' Equity
IPGP
IPGP
PTCT
PTCT
Q4 25
$2.1B
$-205.3M
Q3 25
$2.1B
$-155.8M
Q2 25
$2.1B
$-206.5M
Q1 25
$2.1B
$-185.8M
Q4 24
$2.0B
$-1.1B
Q3 24
$2.1B
$-1.1B
Q2 24
$2.3B
$-980.2M
Q1 24
$2.3B
$-893.9M
Total Assets
IPGP
IPGP
PTCT
PTCT
Q4 25
$2.4B
$2.9B
Q3 25
$2.4B
$2.6B
Q2 25
$2.4B
$2.6B
Q1 25
$2.3B
$2.7B
Q4 24
$2.3B
$1.7B
Q3 24
$2.4B
$1.8B
Q2 24
$2.5B
$1.9B
Q1 24
$2.6B
$1.8B

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
PTCT
PTCT
Operating Cash FlowLast quarter
$28.8M
$-34.3M
Free Cash FlowOCF − Capex
$10.9M
$-36.6M
FCF MarginFCF / Revenue
4.0%
-22.3%
Capex IntensityCapex / Revenue
6.5%
1.4%
Cash ConversionOCF / Net Profit
2.17×
TTM Free Cash FlowTrailing 4 quarters
$-3.5M
$702.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IPGP
IPGP
PTCT
PTCT
Q4 25
$28.8M
$-34.3M
Q3 25
$35.3M
$-66.3M
Q2 25
$-2.2M
$-58.3M
Q1 25
$13.4M
$870.1M
Q4 24
$73.8M
$-30.0M
Q3 24
$66.1M
$-77.0M
Q2 24
$53.5M
$-71.5M
Q1 24
$54.6M
$70.8M
Free Cash Flow
IPGP
IPGP
PTCT
PTCT
Q4 25
$10.9M
$-36.6M
Q3 25
$14.6M
$-69.7M
Q2 25
$-17.6M
$-59.6M
Q1 25
$-11.4M
$868.4M
Q4 24
$50.6M
$-33.8M
Q3 24
$43.0M
$-77.5M
Q2 24
$29.2M
$-78.8M
Q1 24
$26.5M
$61.2M
FCF Margin
IPGP
IPGP
PTCT
PTCT
Q4 25
4.0%
-22.3%
Q3 25
5.8%
-33.1%
Q2 25
-7.0%
-33.3%
Q1 25
-5.0%
73.8%
Q4 24
21.6%
-15.8%
Q3 24
18.4%
-39.4%
Q2 24
11.3%
-42.2%
Q1 24
10.5%
29.1%
Capex Intensity
IPGP
IPGP
PTCT
PTCT
Q4 25
6.5%
1.4%
Q3 25
8.3%
1.6%
Q2 25
6.1%
0.7%
Q1 25
10.9%
0.1%
Q4 24
9.9%
1.8%
Q3 24
9.9%
0.3%
Q2 24
9.4%
4.0%
Q1 24
11.1%
4.6%
Cash Conversion
IPGP
IPGP
PTCT
PTCT
Q4 25
2.17×
Q3 25
4.73×
-4.17×
Q2 25
-0.34×
Q1 25
3.58×
1.00×
Q4 24
9.44×
Q3 24
Q2 24
2.65×
Q1 24
2.27×

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%

PTCT
PTCT

Segment breakdown not available.

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