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

Amphastar Pharmaceuticals, Inc. is the larger business by last-quarter revenue ($183.1M vs $109.4M, roughly 1.7× CONSUMER PORTFOLIO SERVICES, INC.). Amphastar Pharmaceuticals, Inc. runs the higher net margin — 13.3% vs 4.6%, a 8.8% gap on every dollar of revenue. On growth, CONSUMER PORTFOLIO SERVICES, INC. posted the faster year-over-year revenue change (3.9% vs -1.8%). CONSUMER PORTFOLIO SERVICES, INC. produced more free cash flow last quarter ($288.3M vs $24.6M). Over the past eight quarters, CONSUMER PORTFOLIO SERVICES, INC.'s revenue compounded faster (9.2% CAGR vs 3.2%).

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.

Consumer Portfolio Services, Inc. is a U.S. specialty finance firm providing indirect auto loan financing and servicing for consumers with limited or subprime credit. It partners with franchised and independent car dealerships nationwide to originate installment contracts for new and used vehicle purchases.

AMPH vs CPSS — Head-to-Head

Bigger by revenue
AMPH
AMPH
1.7× larger
AMPH
$183.1M
$109.4M
CPSS
Growing faster (revenue YoY)
CPSS
CPSS
+5.7% gap
CPSS
3.9%
-1.8%
AMPH
Higher net margin
AMPH
AMPH
8.8% more per $
AMPH
13.3%
4.6%
CPSS
More free cash flow
CPSS
CPSS
$263.7M more FCF
CPSS
$288.3M
$24.6M
AMPH
Faster 2-yr revenue CAGR
CPSS
CPSS
Annualised
CPSS
9.2%
3.2%
AMPH

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AMPH
AMPH
CPSS
CPSS
Revenue
$183.1M
$109.4M
Net Profit
$24.4M
$5.0M
Gross Margin
46.8%
Operating Margin
19.4%
6.6%
Net Margin
13.3%
4.6%
Revenue YoY
-1.8%
3.9%
Net Profit YoY
-35.7%
-3.2%
EPS (diluted)
$0.51
$0.21

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
CPSS
CPSS
Q4 25
$183.1M
$109.4M
Q3 25
$191.8M
$108.4M
Q2 25
$174.4M
$109.8M
Q1 25
$170.5M
$106.9M
Q4 24
$186.5M
$105.3M
Q3 24
$191.2M
$100.6M
Q2 24
$182.4M
$95.9M
Q1 24
$171.8M
$91.7M
Net Profit
AMPH
AMPH
CPSS
CPSS
Q4 25
$24.4M
$5.0M
Q3 25
$17.4M
$4.9M
Q2 25
$31.0M
$4.8M
Q1 25
$25.3M
$4.7M
Q4 24
$38.0M
$5.1M
Q3 24
$40.4M
$4.8M
Q2 24
$37.9M
$4.7M
Q1 24
$43.2M
$4.6M
Gross Margin
AMPH
AMPH
CPSS
CPSS
Q4 25
46.8%
Q3 25
51.4%
Q2 25
49.6%
Q1 25
50.0%
Q4 24
46.5%
Q3 24
53.3%
Q2 24
52.2%
Q1 24
52.4%
Operating Margin
AMPH
AMPH
CPSS
CPSS
Q4 25
19.4%
6.6%
Q3 25
13.2%
6.5%
Q2 25
24.2%
6.3%
Q1 25
21.9%
6.4%
Q4 24
24.2%
7.0%
Q3 24
29.8%
6.8%
Q2 24
30.3%
7.0%
Q1 24
27.9%
7.1%
Net Margin
AMPH
AMPH
CPSS
CPSS
Q4 25
13.3%
4.6%
Q3 25
9.0%
4.5%
Q2 25
17.8%
4.4%
Q1 25
14.8%
4.4%
Q4 24
20.4%
4.9%
Q3 24
21.1%
4.8%
Q2 24
20.8%
4.9%
Q1 24
25.1%
5.0%
EPS (diluted)
AMPH
AMPH
CPSS
CPSS
Q4 25
$0.51
$0.21
Q3 25
$0.37
$0.20
Q2 25
$0.64
$0.20
Q1 25
$0.51
$0.19
Q4 24
$0.74
$0.21
Q3 24
$0.78
$0.20
Q2 24
$0.73
$0.19
Q1 24
$0.81
$0.19

Balance Sheet & Financial Strength

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

Metric
AMPH
AMPH
CPSS
CPSS
Cash + ST InvestmentsLiquidity on hand
$282.8M
$6.3M
Total DebtLower is stronger
$608.7M
Stockholders' EquityBook value
$788.8M
$309.5M
Total Assets
$1.6B
$3.9B
Debt / EquityLower = less leverage
0.77×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMPH
AMPH
CPSS
CPSS
Q4 25
$282.8M
$6.3M
Q3 25
$276.2M
$9.4M
Q2 25
$231.8M
$15.8M
Q1 25
$236.9M
$29.8M
Q4 24
$221.6M
$11.7M
Q3 24
$250.5M
$8.1M
Q2 24
$217.8M
$9.8M
Q1 24
$289.6M
$13.2M
Total Debt
AMPH
AMPH
CPSS
CPSS
Q4 25
$608.7M
Q3 25
$608.6M
Q2 25
$607.7M
Q1 25
$603.9M
Q4 24
$601.6M
Q3 24
$596.4M
Q2 24
$586.9M
Q1 24
$594.0M
Stockholders' Equity
AMPH
AMPH
CPSS
CPSS
Q4 25
$788.8M
$309.5M
Q3 25
$776.7M
$307.6M
Q2 25
$757.5M
$303.1M
Q1 25
$751.3M
$298.4M
Q4 24
$732.3M
$292.8M
Q3 24
$727.7M
$285.1M
Q2 24
$713.3M
$280.3M
Q1 24
$672.4M
$279.1M
Total Assets
AMPH
AMPH
CPSS
CPSS
Q4 25
$1.6B
$3.9B
Q3 25
$1.7B
$3.8B
Q2 25
$1.6B
$3.8B
Q1 25
$1.6B
$3.7B
Q4 24
$1.6B
$3.5B
Q3 24
$1.5B
$3.5B
Q2 24
$1.5B
$3.3B
Q1 24
$1.6B
$3.0B
Debt / Equity
AMPH
AMPH
CPSS
CPSS
Q4 25
0.77×
Q3 25
0.78×
Q2 25
0.80×
Q1 25
0.80×
Q4 24
0.82×
Q3 24
0.82×
Q2 24
0.82×
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
CPSS
CPSS
Operating Cash FlowLast quarter
$32.9M
$289.0M
Free Cash FlowOCF − Capex
$24.6M
$288.3M
FCF MarginFCF / Revenue
13.4%
263.5%
Capex IntensityCapex / Revenue
4.5%
0.6%
Cash ConversionOCF / Net Profit
1.35×
58.02×
TTM Free Cash FlowTrailing 4 quarters
$121.2M
$500.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMPH
AMPH
CPSS
CPSS
Q4 25
$32.9M
$289.0M
Q3 25
$52.6M
$84.9M
Q2 25
$35.6M
$54.5M
Q1 25
$35.1M
$73.9M
Q4 24
$29.0M
$233.8M
Q3 24
$60.0M
$69.8M
Q2 24
$69.1M
$43.3M
Q1 24
$55.3M
$52.7M
Free Cash Flow
AMPH
AMPH
CPSS
CPSS
Q4 25
$24.6M
$288.3M
Q3 25
$47.2M
$84.9M
Q2 25
$25.0M
$54.3M
Q1 25
$24.4M
$73.4M
Q4 24
$16.6M
$233.3M
Q3 24
$46.2M
$69.7M
Q2 24
$63.1M
$43.1M
Q1 24
$46.5M
$52.6M
FCF Margin
AMPH
AMPH
CPSS
CPSS
Q4 25
13.4%
263.5%
Q3 25
24.6%
78.3%
Q2 25
14.3%
49.5%
Q1 25
14.3%
68.7%
Q4 24
8.9%
221.6%
Q3 24
24.1%
69.3%
Q2 24
34.6%
45.0%
Q1 24
27.1%
57.3%
Capex Intensity
AMPH
AMPH
CPSS
CPSS
Q4 25
4.5%
0.6%
Q3 25
2.8%
0.0%
Q2 25
6.1%
0.1%
Q1 25
6.3%
0.4%
Q4 24
6.7%
0.4%
Q3 24
7.2%
0.1%
Q2 24
3.3%
0.2%
Q1 24
5.1%
0.1%
Cash Conversion
AMPH
AMPH
CPSS
CPSS
Q4 25
1.35×
58.02×
Q3 25
3.03×
17.50×
Q2 25
1.15×
11.35×
Q1 25
1.39×
15.74×
Q4 24
0.76×
45.43×
Q3 24
1.48×
14.55×
Q2 24
1.82×
9.27×
Q1 24
1.28×
11.48×

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%

CPSS
CPSS

Segment breakdown not available.

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