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Side-by-side financial comparison of IPG PHOTONICS CORP (IPGP) and TANDEM DIABETES CARE INC (TNDM). Click either name above to swap in a different company.

TANDEM DIABETES CARE INC is the larger business by last-quarter revenue ($290.4M vs $274.5M, roughly 1.1× IPG PHOTONICS CORP). IPG PHOTONICS CORP runs the higher net margin — 4.8% vs -0.2%, a 5.0% gap on every dollar of revenue. On growth, IPG PHOTONICS CORP posted the faster year-over-year revenue change (17.1% vs 2.7%). IPG PHOTONICS CORP produced more free cash flow last quarter ($10.9M vs $3.1M). Over the past eight quarters, TANDEM DIABETES CARE INC's revenue compounded faster (23.1% 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.

Tandem Diabetes Care, Inc. is an American medical device manufacturer based in San Diego, California. The company develops medical technologies for the treatment of diabetes and specifically insulin infusion therapy.

IPGP vs TNDM — Head-to-Head

Bigger by revenue
TNDM
TNDM
1.1× larger
TNDM
$290.4M
$274.5M
IPGP
Growing faster (revenue YoY)
IPGP
IPGP
+14.4% gap
IPGP
17.1%
2.7%
TNDM
Higher net margin
IPGP
IPGP
5.0% more per $
IPGP
4.8%
-0.2%
TNDM
More free cash flow
IPGP
IPGP
$7.8M more FCF
IPGP
$10.9M
$3.1M
TNDM
Faster 2-yr revenue CAGR
TNDM
TNDM
Annualised
TNDM
23.1%
4.4%
IPGP

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
IPGP
IPGP
TNDM
TNDM
Revenue
$274.5M
$290.4M
Net Profit
$13.3M
$-589.0K
Gross Margin
36.1%
57.7%
Operating Margin
1.2%
2.9%
Net Margin
4.8%
-0.2%
Revenue YoY
17.1%
2.7%
Net Profit YoY
69.8%
-178.0%
EPS (diluted)
$0.30
$0.02

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
TNDM
TNDM
Q4 25
$274.5M
$290.4M
Q3 25
$250.8M
$249.3M
Q2 25
$250.7M
$240.7M
Q1 25
$227.8M
$234.4M
Q4 24
$234.3M
$282.6M
Q3 24
$233.1M
$244.0M
Q2 24
$257.6M
$221.9M
Q1 24
$252.0M
$191.7M
Net Profit
IPGP
IPGP
TNDM
TNDM
Q4 25
$13.3M
$-589.0K
Q3 25
$7.5M
$-21.2M
Q2 25
$6.6M
$-52.4M
Q1 25
$3.8M
$-130.6M
Q4 24
$7.8M
$755.0K
Q3 24
$-233.6M
$-23.3M
Q2 24
$20.2M
$-30.8M
Q1 24
$24.1M
$-42.7M
Gross Margin
IPGP
IPGP
TNDM
TNDM
Q4 25
36.1%
57.7%
Q3 25
39.5%
53.9%
Q2 25
37.3%
52.3%
Q1 25
39.4%
50.5%
Q4 24
38.6%
55.7%
Q3 24
23.2%
51.1%
Q2 24
37.3%
50.8%
Q1 24
38.7%
49.4%
Operating Margin
IPGP
IPGP
TNDM
TNDM
Q4 25
1.2%
2.9%
Q3 25
3.1%
-9.2%
Q2 25
0.0%
-21.5%
Q1 25
0.8%
-51.6%
Q4 24
6.0%
-0.2%
Q3 24
-108.7%
-10.7%
Q2 24
4.7%
-13.9%
Q1 24
7.6%
-21.7%
Net Margin
IPGP
IPGP
TNDM
TNDM
Q4 25
4.8%
-0.2%
Q3 25
3.0%
-8.5%
Q2 25
2.6%
-21.8%
Q1 25
1.6%
-55.7%
Q4 24
3.3%
0.3%
Q3 24
-100.2%
-9.5%
Q2 24
7.8%
-13.9%
Q1 24
9.6%
-22.3%
EPS (diluted)
IPGP
IPGP
TNDM
TNDM
Q4 25
$0.30
$0.02
Q3 25
$0.18
$-0.31
Q2 25
$0.16
$-0.78
Q1 25
$0.09
$-1.97
Q4 24
$0.27
$0.00
Q3 24
$-5.33
$-0.35
Q2 24
$0.45
$-0.47
Q1 24
$0.52
$-0.65

Balance Sheet & Financial Strength

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

Metric
IPGP
IPGP
TNDM
TNDM
Cash + ST InvestmentsLiquidity on hand
$839.3M
$292.7M
Total DebtLower is stronger
Stockholders' EquityBook value
$2.1B
$155.2M
Total Assets
$2.4B
$881.1M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IPGP
IPGP
TNDM
TNDM
Q4 25
$839.3M
$292.7M
Q3 25
$870.4M
$319.1M
Q2 25
$899.6M
$315.4M
Q1 25
$926.9M
$368.6M
Q4 24
$930.2M
$438.3M
Q3 24
$1.0B
$473.3M
Q2 24
$1.1B
$452.4M
Q1 24
$1.1B
$467.8M
Stockholders' Equity
IPGP
IPGP
TNDM
TNDM
Q4 25
$2.1B
$155.2M
Q3 25
$2.1B
$133.0M
Q2 25
$2.1B
$133.3M
Q1 25
$2.1B
$155.3M
Q4 24
$2.0B
$263.1M
Q3 24
$2.1B
$237.7M
Q2 24
$2.3B
$233.9M
Q1 24
$2.3B
$243.1M
Total Assets
IPGP
IPGP
TNDM
TNDM
Q4 25
$2.4B
$881.1M
Q3 25
$2.4B
$874.7M
Q2 25
$2.4B
$875.7M
Q1 25
$2.3B
$922.1M
Q4 24
$2.3B
$967.7M
Q3 24
$2.4B
$957.7M
Q2 24
$2.5B
$937.5M
Q1 24
$2.6B
$941.0M

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
TNDM
TNDM
Operating Cash FlowLast quarter
$28.8M
$9.8M
Free Cash FlowOCF − Capex
$10.9M
$3.1M
FCF MarginFCF / Revenue
4.0%
1.1%
Capex IntensityCapex / Revenue
6.5%
2.3%
Cash ConversionOCF / Net Profit
2.17×
TTM Free Cash FlowTrailing 4 quarters
$-3.5M
$-29.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IPGP
IPGP
TNDM
TNDM
Q4 25
$28.8M
$9.8M
Q3 25
$35.3M
$8.3M
Q2 25
$-2.2M
$-9.5M
Q1 25
$13.4M
$-18.3M
Q4 24
$73.8M
$10.7M
Q3 24
$66.1M
$26.8M
Q2 24
$53.5M
$-5.3M
Q1 24
$54.6M
$-8.0M
Free Cash Flow
IPGP
IPGP
TNDM
TNDM
Q4 25
$10.9M
$3.1M
Q3 25
$14.6M
$4.2M
Q2 25
$-17.6M
$-15.7M
Q1 25
$-11.4M
$-21.2M
Q4 24
$50.6M
$7.6M
Q3 24
$43.0M
$21.5M
Q2 24
$29.2M
$-11.7M
Q1 24
$26.5M
$-12.5M
FCF Margin
IPGP
IPGP
TNDM
TNDM
Q4 25
4.0%
1.1%
Q3 25
5.8%
1.7%
Q2 25
-7.0%
-6.5%
Q1 25
-5.0%
-9.1%
Q4 24
21.6%
2.7%
Q3 24
18.4%
8.8%
Q2 24
11.3%
-5.3%
Q1 24
10.5%
-6.5%
Capex Intensity
IPGP
IPGP
TNDM
TNDM
Q4 25
6.5%
2.3%
Q3 25
8.3%
1.6%
Q2 25
6.1%
2.6%
Q1 25
10.9%
1.3%
Q4 24
9.9%
1.1%
Q3 24
9.9%
2.1%
Q2 24
9.4%
2.9%
Q1 24
11.1%
2.3%
Cash Conversion
IPGP
IPGP
TNDM
TNDM
Q4 25
2.17×
Q3 25
4.73×
Q2 25
-0.34×
Q1 25
3.58×
Q4 24
9.44×
14.19×
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%

TNDM
TNDM

Supplies And Other$150.3M52%
Pump$140.1M48%

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