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

Vistra Corp. is the larger business by last-quarter revenue ($4.8B vs $3.6B, roughly 1.3× Regeneron Pharmaceuticals). Regeneron Pharmaceuticals runs the higher net margin — 20.2% vs 4.8%, a 15.3% gap on every dollar of revenue. On growth, Vistra Corp. posted the faster year-over-year revenue change (31.2% vs 19.0%). Regeneron Pharmaceuticals produced more free cash flow last quarter ($848.3M vs $596.0M). Over the past eight quarters, Vistra Corp.'s revenue compounded faster (23.3% CAGR vs 0.8%).

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.

Vistra may refer to either of two companies:Vistra, a corporate services company based in Hong Kong Vistra Corp, an energy company based in Texas

REGN vs VST — Head-to-Head

Bigger by revenue
VST
VST
1.3× larger
VST
$4.8B
$3.6B
REGN
Growing faster (revenue YoY)
VST
VST
+12.2% gap
VST
31.2%
19.0%
REGN
Higher net margin
REGN
REGN
15.3% more per $
REGN
20.2%
4.8%
VST
More free cash flow
REGN
REGN
$252.3M more FCF
REGN
$848.3M
$596.0M
VST
Faster 2-yr revenue CAGR
VST
VST
Annualised
VST
23.3%
0.8%
REGN

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
REGN
REGN
VST
VST
Revenue
$3.6B
$4.8B
Net Profit
$727.0M
$233.0M
Gross Margin
89.6%
Operating Margin
17.8%
9.9%
Net Margin
20.2%
4.8%
Revenue YoY
19.0%
31.2%
Net Profit YoY
-10.1%
-47.2%
EPS (diluted)
$6.75
$0.55

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
VST
VST
Q1 26
$3.6B
Q4 25
$3.9B
$4.8B
Q3 25
$3.8B
$4.8B
Q2 25
$3.7B
$3.8B
Q1 25
$3.0B
$4.3B
Q4 24
$3.8B
$3.7B
Q3 24
$3.7B
$4.3B
Q2 24
$3.5B
$3.6B
Net Profit
REGN
REGN
VST
VST
Q1 26
$727.0M
Q4 25
$844.6M
$233.0M
Q3 25
$1.5B
$652.0M
Q2 25
$1.4B
$327.0M
Q1 25
$808.7M
$-268.0M
Q4 24
$917.7M
$441.0M
Q3 24
$1.3B
$1.9B
Q2 24
$1.4B
$365.0M
Gross Margin
REGN
REGN
VST
VST
Q1 26
89.6%
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Operating Margin
REGN
REGN
VST
VST
Q1 26
17.8%
Q4 25
22.7%
9.9%
Q3 25
27.3%
21.7%
Q2 25
29.4%
13.7%
Q1 25
19.5%
-2.8%
Q4 24
26.1%
16.4%
Q3 24
31.7%
59.6%
Q2 24
30.2%
22.5%
Net Margin
REGN
REGN
VST
VST
Q1 26
20.2%
Q4 25
21.7%
4.8%
Q3 25
38.9%
13.6%
Q2 25
37.9%
8.7%
Q1 25
26.7%
-6.3%
Q4 24
24.2%
12.0%
Q3 24
36.0%
43.5%
Q2 24
40.4%
10.1%
EPS (diluted)
REGN
REGN
VST
VST
Q1 26
$6.75
Q4 25
$7.78
$0.55
Q3 25
$13.62
$1.75
Q2 25
$12.81
$0.81
Q1 25
$7.27
$-0.93
Q4 24
$8.12
$1.09
Q3 24
$11.54
$5.25
Q2 24
$12.41
$0.90

Balance Sheet & Financial Strength

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

Metric
REGN
REGN
VST
VST
Cash + ST InvestmentsLiquidity on hand
$785.0M
Total DebtLower is stronger
$2.0B
$15.8B
Stockholders' EquityBook value
$31.4B
$5.1B
Total Assets
$40.9B
$41.5B
Debt / EquityLower = less leverage
0.06×
3.11×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
REGN
REGN
VST
VST
Q1 26
Q4 25
$8.6B
$785.0M
Q3 25
$8.4B
$602.0M
Q2 25
$7.5B
$458.0M
Q1 25
$8.3B
$561.0M
Q4 24
$9.0B
$1.2B
Q3 24
$9.8B
$905.0M
Q2 24
$9.8B
$1.6B
Total Debt
REGN
REGN
VST
VST
Q1 26
$2.0B
Q4 25
$15.8B
Q3 25
$15.8B
Q2 25
$15.5B
Q1 25
$15.4B
Q4 24
$15.4B
Q3 24
$13.9B
Q2 24
$13.9B
Stockholders' Equity
REGN
REGN
VST
VST
Q1 26
$31.4B
Q4 25
$31.3B
$5.1B
Q3 25
$31.0B
$5.2B
Q2 25
$29.9B
$4.8B
Q1 25
$29.4B
$4.8B
Q4 24
$29.4B
$5.6B
Q3 24
$29.3B
$5.4B
Q2 24
$28.2B
$5.6B
Total Assets
REGN
REGN
VST
VST
Q1 26
$40.9B
Q4 25
$40.6B
$41.5B
Q3 25
$40.2B
$38.0B
Q2 25
$38.2B
$38.1B
Q1 25
$37.5B
$38.2B
Q4 24
$37.8B
$37.8B
Q3 24
$37.4B
$37.9B
Q2 24
$36.1B
$39.1B
Debt / Equity
REGN
REGN
VST
VST
Q1 26
0.06×
Q4 25
3.11×
Q3 25
3.02×
Q2 25
3.22×
Q1 25
3.20×
Q4 24
2.77×
Q3 24
2.56×
Q2 24
2.49×

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
VST
VST
Operating Cash FlowLast quarter
$1.1B
$1.4B
Free Cash FlowOCF − Capex
$848.3M
$596.0M
FCF MarginFCF / Revenue
23.5%
12.4%
Capex IntensityCapex / Revenue
6.4%
17.4%
Cash ConversionOCF / Net Profit
1.48×
6.15×
TTM Free Cash FlowTrailing 4 quarters
$4.1B
$1.3B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
REGN
REGN
VST
VST
Q1 26
$1.1B
Q4 25
$1.2B
$1.4B
Q3 25
$1.6B
$1.5B
Q2 25
$1.1B
$572.0M
Q1 25
$1.0B
$599.0M
Q4 24
$1.3B
$1.4B
Q3 24
$1.3B
$1.7B
Q2 24
$354.0M
$1.2B
Free Cash Flow
REGN
REGN
VST
VST
Q1 26
$848.3M
Q4 25
$922.0M
$596.0M
Q3 25
$1.4B
$1.0B
Q2 25
$925.4M
$-118.0M
Q1 25
$815.8M
$-169.0M
Q4 24
$1.1B
$923.0M
Q3 24
$1.0B
$1.0B
Q2 24
$173.5M
$698.0M
FCF Margin
REGN
REGN
VST
VST
Q1 26
23.5%
Q4 25
23.7%
12.4%
Q3 25
37.8%
21.1%
Q2 25
25.2%
-3.1%
Q1 25
26.9%
-4.0%
Q4 24
28.1%
25.2%
Q3 24
28.2%
23.4%
Q2 24
4.9%
19.4%
Capex Intensity
REGN
REGN
VST
VST
Q1 26
6.4%
Q4 25
6.4%
17.4%
Q3 25
5.4%
9.6%
Q2 25
6.0%
18.4%
Q1 25
7.6%
18.1%
Q4 24
5.3%
11.7%
Q3 24
6.5%
15.8%
Q2 24
5.1%
13.8%
Cash Conversion
REGN
REGN
VST
VST
Q1 26
1.48×
Q4 25
1.39×
6.15×
Q3 25
1.11×
2.25×
Q2 25
0.82×
1.75×
Q1 25
1.29×
Q4 24
1.38×
3.07×
Q3 24
0.96×
0.90×
Q2 24
0.25×
3.28×

Financial Flow Comparison

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

Revenue Breakdown by Segment

REGN
REGN

Sanofi$1.6B45%
Other$507.0M14%
EYLEA - U.S$473.0M13%
Bayer$287.0M8%
Libtayo ® - U.S$286.0M8%
Other revenue$171.0M5%
Libtayo - ROW*$152.0M4%
Praluent - U.S$67.0M2%
Evkeeza ® - U.S$46.0M1%
Lynozyfic ® - Global$11.0M0%

VST
VST

Retail Energy Charge In ERCOT$2.1B43%
Retail Energy Charge In Northeast Midwest$1.2B24%
East Segment$1.1B24%
Hedging Revenue Realized$170.0M4%
Revenue From Other Wholesale Contracts$116.0M2%
Transferable Production Tax Credit Revenues$78.0M2%
West Segment$77.0M2%
Intersegment Sales$25.0M1%

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