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Side-by-side financial comparison of Amphastar Pharmaceuticals, Inc. (AMPH) and WOLFSPEED, INC. (WOLF). Click either name above to swap in a different company.

Amphastar Pharmaceuticals, Inc. is the larger business by last-quarter revenue ($183.1M vs $168.5M, roughly 1.1× WOLFSPEED, INC.). Amphastar Pharmaceuticals, Inc. runs the higher net margin — 13.3% vs -89.4%, a 102.7% gap on every dollar of revenue. On growth, Amphastar Pharmaceuticals, Inc. posted the faster year-over-year revenue change (-1.8% vs -6.6%). Amphastar Pharmaceuticals, Inc. produced more free cash flow last quarter ($24.6M vs $-72.6M). Over the past eight quarters, Amphastar Pharmaceuticals, Inc.'s revenue compounded faster (3.2% CAGR vs -8.4%).

Amphastar Pharmaceuticals is a publicly traded American speciality pharmaceutical company. It was incorporated in May 2004 and primarily develops, manufactures, and sells inhalation and intranasal products.

Wolfspeed, Inc. is an American developer and manufacturer of wide-bandgap semiconductors, focused on silicon carbide materials and devices for power applications such as transportation, power supplies, power inverters, and wireless systems. The company was formerly named Cree, Inc.

AMPH vs WOLF — Head-to-Head

Bigger by revenue
AMPH
AMPH
1.1× larger
AMPH
$183.1M
$168.5M
WOLF
Growing faster (revenue YoY)
AMPH
AMPH
+4.8% gap
AMPH
-1.8%
-6.6%
WOLF
Higher net margin
AMPH
AMPH
102.7% more per $
AMPH
13.3%
-89.4%
WOLF
More free cash flow
AMPH
AMPH
$97.2M more FCF
AMPH
$24.6M
$-72.6M
WOLF
Faster 2-yr revenue CAGR
AMPH
AMPH
Annualised
AMPH
3.2%
-8.4%
WOLF

Income Statement — Q4 FY2025 vs Q2 FY2026

Metric
AMPH
AMPH
WOLF
WOLF
Revenue
$183.1M
$168.5M
Net Profit
$24.4M
$-150.6M
Gross Margin
46.8%
-46.5%
Operating Margin
19.4%
-94.0%
Net Margin
13.3%
-89.4%
Revenue YoY
-1.8%
-6.6%
Net Profit YoY
-35.7%
59.5%
EPS (diluted)
$0.51
$-5.78

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
AMPH
AMPH
WOLF
WOLF
Q4 25
$183.1M
$168.5M
Q3 25
$191.8M
$196.8M
Q2 25
$174.4M
$197.0M
Q1 25
$170.5M
$185.4M
Q4 24
$186.5M
$180.5M
Q3 24
$191.2M
$194.7M
Q2 24
$182.4M
$200.7M
Q1 24
$171.8M
$200.7M
Net Profit
AMPH
AMPH
WOLF
WOLF
Q4 25
$24.4M
$-150.6M
Q3 25
$17.4M
$-643.6M
Q2 25
$31.0M
$-669.3M
Q1 25
$25.3M
$-285.5M
Q4 24
$38.0M
$-372.2M
Q3 24
$40.4M
$-282.2M
Q2 24
$37.9M
$-174.9M
Q1 24
$43.2M
$-148.9M
Gross Margin
AMPH
AMPH
WOLF
WOLF
Q4 25
46.8%
-46.5%
Q3 25
51.4%
-39.2%
Q2 25
49.6%
-13.0%
Q1 25
50.0%
-12.1%
Q4 24
46.5%
-20.6%
Q3 24
53.3%
-18.6%
Q2 24
52.2%
1.2%
Q1 24
52.4%
11.2%
Operating Margin
AMPH
AMPH
WOLF
WOLF
Q4 25
19.4%
-94.0%
Q3 25
13.2%
-82.0%
Q2 25
24.2%
-295.2%
Q1 25
21.9%
-104.9%
Q4 24
24.2%
-178.9%
Q3 24
29.8%
-118.2%
Q2 24
30.3%
-72.7%
Q1 24
27.9%
-53.0%
Net Margin
AMPH
AMPH
WOLF
WOLF
Q4 25
13.3%
-89.4%
Q3 25
9.0%
-327.0%
Q2 25
17.8%
-339.7%
Q1 25
14.8%
-154.0%
Q4 24
20.4%
-206.2%
Q3 24
21.1%
-144.9%
Q2 24
20.8%
-87.1%
Q1 24
25.1%
-74.2%
EPS (diluted)
AMPH
AMPH
WOLF
WOLF
Q4 25
$0.51
$-5.78
Q3 25
$0.37
$-4.12
Q2 25
$0.64
$-4.42
Q1 25
$0.51
$-1.86
Q4 24
$0.74
$-2.88
Q3 24
$0.78
$-2.23
Q2 24
$0.73
$-1.39
Q1 24
$0.81
$-1.18

Balance Sheet & Financial Strength

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

Metric
AMPH
AMPH
WOLF
WOLF
Cash + ST InvestmentsLiquidity on hand
$282.8M
$1.3B
Total DebtLower is stronger
$608.7M
$2.0B
Stockholders' EquityBook value
$788.8M
$627.4M
Total Assets
$1.6B
$3.4B
Debt / EquityLower = less leverage
0.77×
3.13×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMPH
AMPH
WOLF
WOLF
Q4 25
$282.8M
$1.3B
Q3 25
$276.2M
$926.0M
Q2 25
$231.8M
$955.4M
Q1 25
$236.9M
$1.3B
Q4 24
$221.6M
$1.4B
Q3 24
$250.5M
$1.7B
Q2 24
$217.8M
$2.2B
Q1 24
$289.6M
$2.6B
Total Debt
AMPH
AMPH
WOLF
WOLF
Q4 25
$608.7M
$2.0B
Q3 25
$608.6M
$0
Q2 25
$607.7M
$6.5B
Q1 25
$603.9M
$6.5B
Q4 24
$601.6M
$6.4B
Q3 24
$596.4M
$6.2B
Q2 24
$586.9M
$6.2B
Q1 24
$594.0M
Stockholders' Equity
AMPH
AMPH
WOLF
WOLF
Q4 25
$788.8M
$627.4M
Q3 25
$776.7M
$-1.1B
Q2 25
$757.5M
$-447.1M
Q1 25
$751.3M
$212.7M
Q4 24
$732.3M
$372.6M
Q3 24
$727.7M
$628.9M
Q2 24
$713.3M
$882.1M
Q1 24
$672.4M
$1.0B
Total Assets
AMPH
AMPH
WOLF
WOLF
Q4 25
$1.6B
$3.4B
Q3 25
$1.7B
$6.6B
Q2 25
$1.6B
$6.9B
Q1 25
$1.6B
$7.6B
Q4 24
$1.6B
$7.7B
Q3 24
$1.5B
$7.9B
Q2 24
$1.5B
$8.0B
Q1 24
$1.6B
$7.7B
Debt / Equity
AMPH
AMPH
WOLF
WOLF
Q4 25
0.77×
3.13×
Q3 25
0.78×
Q2 25
0.80×
Q1 25
0.80×
30.61×
Q4 24
0.82×
17.24×
Q3 24
0.82×
9.81×
Q2 24
0.82×
6.98×
Q1 24
0.88×

Cash Flow & Capital Efficiency

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

Metric
AMPH
AMPH
WOLF
WOLF
Operating Cash FlowLast quarter
$32.9M
$-42.6M
Free Cash FlowOCF − Capex
$24.6M
$-72.6M
FCF MarginFCF / Revenue
13.4%
-43.1%
Capex IntensityCapex / Revenue
4.5%
17.8%
Cash ConversionOCF / Net Profit
1.35×
TTM Free Cash FlowTrailing 4 quarters
$121.2M
$-988.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMPH
AMPH
WOLF
WOLF
Q4 25
$32.9M
$-42.6M
Q3 25
$52.6M
$5.7M
Q2 25
$35.6M
$-242.5M
Q1 25
$35.1M
$-142.1M
Q4 24
$29.0M
$-195.1M
Q3 24
$60.0M
$-132.0M
Q2 24
$69.1M
$-239.5M
Q1 24
$55.3M
$-136.2M
Free Cash Flow
AMPH
AMPH
WOLF
WOLF
Q4 25
$24.6M
$-72.6M
Q3 25
$47.2M
$-98.3M
Q2 25
$25.0M
$-454.4M
Q1 25
$24.4M
$-362.8M
Q4 24
$16.6M
$-596.9M
Q3 24
$46.2M
$-569.0M
Q2 24
$63.1M
$-883.8M
Q1 24
$46.5M
$-713.7M
FCF Margin
AMPH
AMPH
WOLF
WOLF
Q4 25
13.4%
-43.1%
Q3 25
24.6%
-49.9%
Q2 25
14.3%
-230.7%
Q1 25
14.3%
-195.7%
Q4 24
8.9%
-330.7%
Q3 24
24.1%
-292.2%
Q2 24
34.6%
-440.4%
Q1 24
27.1%
-355.6%
Capex Intensity
AMPH
AMPH
WOLF
WOLF
Q4 25
4.5%
17.8%
Q3 25
2.8%
52.8%
Q2 25
6.1%
107.6%
Q1 25
6.3%
119.0%
Q4 24
6.7%
222.6%
Q3 24
7.2%
224.4%
Q2 24
3.3%
321.0%
Q1 24
5.1%
287.7%
Cash Conversion
AMPH
AMPH
WOLF
WOLF
Q4 25
1.35×
Q3 25
3.03×
Q2 25
1.15×
Q1 25
1.39×
Q4 24
0.76×
Q3 24
1.48×
Q2 24
1.82×
Q1 24
1.28×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AMPH
AMPH

Other Products$62.4M34%
Baqsimi$46.7M26%
Primatenemist$27.9M15%
Epinephrine$17.1M9%
Lidocaine$14.9M8%
Glucagon$14.1M8%

WOLF
WOLF

Power Products$118.3M70%
Materials Products$50.2M30%

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