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Side-by-side financial comparison of Regeneron Pharmaceuticals (REGN) and TransDigm Group (TDG). Click either name above to swap in a different company.

Regeneron Pharmaceuticals is the larger business by last-quarter revenue ($3.9B vs $2.3B, roughly 1.7× TransDigm Group). Regeneron Pharmaceuticals runs the higher net margin — 21.7% vs 19.5%, a 2.3% gap on every dollar of revenue. On growth, TransDigm Group posted the faster year-over-year revenue change (13.9% vs 2.5%). Regeneron Pharmaceuticals produced more free cash flow last quarter ($922.0M vs $772.0M). Over the past eight quarters, Regeneron Pharmaceuticals's revenue compounded faster (11.1% CAGR vs 9.1%).

Regeneron Pharmaceuticals, Inc. is an American biotechnology company headquartered in Westchester County, New York. The company was founded in 1988. Originally focused on neurotrophic factors and their regenerative capabilities, giving rise to its present name; the company has since expanded operations into the study of both cytokine and tyrosine kinase receptors, which gave rise to their first product, which is a VEGF-trap.

TransDigm Group Incorporated is an American publicly traded aerospace manufacturing company headquartered in Cleveland, Ohio. TransDigm develops and manufactures engineered aerospace components. It was founded in 1993, when four industrial aerospace companies were combined by a private equity firm in a leveraged buyout. TransDigm expanded the range of aerospace components it manufactures through acquisitions over the years.

REGN vs TDG — Head-to-Head

Bigger by revenue
REGN
REGN
1.7× larger
REGN
$3.9B
$2.3B
TDG
Growing faster (revenue YoY)
TDG
TDG
+11.4% gap
TDG
13.9%
2.5%
REGN
Higher net margin
REGN
REGN
2.3% more per $
REGN
21.7%
19.5%
TDG
More free cash flow
REGN
REGN
$150.0M more FCF
REGN
$922.0M
$772.0M
TDG
Faster 2-yr revenue CAGR
REGN
REGN
Annualised
REGN
11.1%
9.1%
TDG

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
REGN
REGN
TDG
TDG
Revenue
$3.9B
$2.3B
Net Profit
$844.6M
$445.0M
Gross Margin
59.2%
Operating Margin
22.7%
45.6%
Net Margin
21.7%
19.5%
Revenue YoY
2.5%
13.9%
Net Profit YoY
-8.0%
-9.7%
EPS (diluted)
$7.78
$6.62

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
REGN
REGN
TDG
TDG
Q4 25
$3.9B
$2.3B
Q3 25
$3.8B
$2.4B
Q2 25
$3.7B
$2.2B
Q1 25
$3.0B
$2.1B
Q4 24
$3.8B
$2.0B
Q3 24
$3.7B
$2.2B
Q2 24
$3.5B
$2.0B
Q1 24
$3.1B
$1.9B
Net Profit
REGN
REGN
TDG
TDG
Q4 25
$844.6M
$445.0M
Q3 25
$1.5B
$610.0M
Q2 25
$1.4B
$492.0M
Q1 25
$808.7M
$479.0M
Q4 24
$917.7M
$493.0M
Q3 24
$1.3B
$468.0M
Q2 24
$1.4B
$461.0M
Q1 24
$722.0M
$403.0M
Gross Margin
REGN
REGN
TDG
TDG
Q4 25
59.2%
Q3 25
60.3%
Q2 25
59.5%
Q1 25
59.3%
Q4 24
61.6%
Q3 24
57.5%
Q2 24
59.6%
Q1 24
60.0%
Operating Margin
REGN
REGN
TDG
TDG
Q4 25
22.7%
45.6%
Q3 25
27.3%
47.6%
Q2 25
29.4%
46.4%
Q1 25
19.5%
46.1%
Q4 24
26.1%
48.6%
Q3 24
31.7%
43.1%
Q2 24
30.2%
45.7%
Q1 24
23.9%
45.2%
Net Margin
REGN
REGN
TDG
TDG
Q4 25
21.7%
19.5%
Q3 25
38.9%
25.0%
Q2 25
37.9%
22.0%
Q1 25
26.7%
22.3%
Q4 24
24.2%
24.6%
Q3 24
36.0%
21.4%
Q2 24
40.4%
22.5%
Q1 24
23.0%
21.0%
EPS (diluted)
REGN
REGN
TDG
TDG
Q4 25
$7.78
$6.62
Q3 25
$13.62
$7.75
Q2 25
$12.81
$8.47
Q1 25
$7.27
$8.24
Q4 24
$8.12
$7.62
Q3 24
$11.54
$5.82
Q2 24
$12.41
$7.96
Q1 24
$6.27
$6.97

Balance Sheet & Financial Strength

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

Metric
REGN
REGN
TDG
TDG
Cash + ST InvestmentsLiquidity on hand
$8.6B
$2.5B
Total DebtLower is stronger
$29.2B
Stockholders' EquityBook value
$31.3B
$-9.3B
Total Assets
$40.6B
$23.8B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
REGN
REGN
TDG
TDG
Q4 25
$8.6B
$2.5B
Q3 25
$8.4B
$2.8B
Q2 25
$7.5B
$2.8B
Q1 25
$8.3B
$2.4B
Q4 24
$9.0B
$2.5B
Q3 24
$9.8B
$6.3B
Q2 24
$9.8B
$3.4B
Q1 24
$10.5B
$4.3B
Total Debt
REGN
REGN
TDG
TDG
Q4 25
$29.2B
Q3 25
$29.2B
Q2 25
$24.3B
Q1 25
$24.3B
Q4 24
$24.3B
Q3 24
$24.3B
Q2 24
$21.4B
Q1 24
$21.3B
Stockholders' Equity
REGN
REGN
TDG
TDG
Q4 25
$31.3B
$-9.3B
Q3 25
$31.0B
$-9.7B
Q2 25
$29.9B
$-5.0B
Q1 25
$29.4B
$-5.7B
Q4 24
$29.4B
$-6.3B
Q3 24
$29.3B
$-6.3B
Q2 24
$28.2B
$-2.5B
Q1 24
$27.0B
$-3.0B
Total Assets
REGN
REGN
TDG
TDG
Q4 25
$40.6B
$23.8B
Q3 25
$40.2B
$22.9B
Q2 25
$38.2B
$22.7B
Q1 25
$37.5B
$21.9B
Q4 24
$37.8B
$21.5B
Q3 24
$37.4B
$25.6B
Q2 24
$36.1B
$21.8B
Q1 24
$34.4B
$21.6B

Cash Flow & Capital Efficiency

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

Metric
REGN
REGN
TDG
TDG
Operating Cash FlowLast quarter
$1.2B
$832.0M
Free Cash FlowOCF − Capex
$922.0M
$772.0M
FCF MarginFCF / Revenue
23.7%
33.8%
Capex IntensityCapex / Revenue
6.4%
2.6%
Cash ConversionOCF / Net Profit
1.39×
1.87×
TTM Free Cash FlowTrailing 4 quarters
$4.1B
$1.9B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
REGN
REGN
TDG
TDG
Q4 25
$1.2B
$832.0M
Q3 25
$1.6B
$507.0M
Q2 25
$1.1B
$631.0M
Q1 25
$1.0B
$148.0M
Q4 24
$1.3B
$752.0M
Q3 24
$1.3B
$572.0M
Q2 24
$354.0M
$608.0M
Q1 24
$1.5B
$229.0M
Free Cash Flow
REGN
REGN
TDG
TDG
Q4 25
$922.0M
$772.0M
Q3 25
$1.4B
$441.0M
Q2 25
$925.4M
$573.0M
Q1 25
$815.8M
$92.0M
Q4 24
$1.1B
$710.0M
Q3 24
$1.0B
$531.0M
Q2 24
$173.5M
$568.0M
Q1 24
$1.4B
$181.0M
FCF Margin
REGN
REGN
TDG
TDG
Q4 25
23.7%
33.8%
Q3 25
37.8%
18.1%
Q2 25
25.2%
25.6%
Q1 25
26.9%
4.3%
Q4 24
28.1%
35.4%
Q3 24
28.2%
24.3%
Q2 24
4.9%
27.8%
Q1 24
43.8%
9.4%
Capex Intensity
REGN
REGN
TDG
TDG
Q4 25
6.4%
2.6%
Q3 25
5.4%
2.7%
Q2 25
6.0%
2.6%
Q1 25
7.6%
2.6%
Q4 24
5.3%
2.1%
Q3 24
6.5%
1.9%
Q2 24
5.1%
2.0%
Q1 24
4.3%
2.5%
Cash Conversion
REGN
REGN
TDG
TDG
Q4 25
1.39×
1.87×
Q3 25
1.11×
0.83×
Q2 25
0.82×
1.28×
Q1 25
1.29×
0.31×
Q4 24
1.38×
1.53×
Q3 24
0.96×
1.22×
Q2 24
0.25×
1.32×
Q1 24
2.09×
0.57×

Financial Flow Comparison

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

Revenue Breakdown by Segment

REGN
REGN

Segment breakdown not available.

TDG
TDG

Airframe$1.0B45%
Defense$603.0M26%
Commercial Aftermarket$368.0M16%
Commercial OEM$253.0M11%
Non Aviation Related Business$40.0M2%

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