vs

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

Sonos Inc is the larger business by last-quarter revenue ($545.7M vs $183.1M, roughly 3.0× Amphastar Pharmaceuticals, Inc.). Sonos Inc runs the higher net margin — 17.2% vs 13.3%, a 3.8% gap on every dollar of revenue. On growth, Sonos Inc posted the faster year-over-year revenue change (-0.9% vs -1.8%). Sonos Inc produced more free cash flow last quarter ($157.3M vs $24.6M). Over the past eight quarters, Sonos Inc's revenue compounded faster (47.0% 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.

Sonos, Inc. is an American audio equipment manufacturer headquartered in Santa Barbara, California. The company was founded in 2002 by John MacFarlane, Craig Shelburne, Tom Cullen, and Trung Mai.

AMPH vs SONO — Head-to-Head

Bigger by revenue
SONO
SONO
3.0× larger
SONO
$545.7M
$183.1M
AMPH
Growing faster (revenue YoY)
SONO
SONO
+0.9% gap
SONO
-0.9%
-1.8%
AMPH
Higher net margin
SONO
SONO
3.8% more per $
SONO
17.2%
13.3%
AMPH
More free cash flow
SONO
SONO
$132.8M more FCF
SONO
$157.3M
$24.6M
AMPH
Faster 2-yr revenue CAGR
SONO
SONO
Annualised
SONO
47.0%
3.2%
AMPH

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
AMPH
AMPH
SONO
SONO
Revenue
$183.1M
$545.7M
Net Profit
$24.4M
$93.8M
Gross Margin
46.8%
46.5%
Operating Margin
19.4%
18.4%
Net Margin
13.3%
17.2%
Revenue YoY
-1.8%
-0.9%
Net Profit YoY
-35.7%
86.7%
EPS (diluted)
$0.51
$0.75

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
SONO
SONO
Q4 25
$183.1M
$545.7M
Q3 25
$191.8M
$287.9M
Q2 25
$174.4M
$344.8M
Q1 25
$170.5M
$259.8M
Q4 24
$186.5M
$550.9M
Q3 24
$191.2M
$255.4M
Q2 24
$182.4M
$397.1M
Q1 24
$171.8M
$252.7M
Net Profit
AMPH
AMPH
SONO
SONO
Q4 25
$24.4M
$93.8M
Q3 25
$17.4M
$-37.9M
Q2 25
$31.0M
$-3.4M
Q1 25
$25.3M
$-70.1M
Q4 24
$38.0M
$50.2M
Q3 24
$40.4M
$-53.1M
Q2 24
$37.9M
$3.7M
Q1 24
$43.2M
$-69.7M
Gross Margin
AMPH
AMPH
SONO
SONO
Q4 25
46.8%
46.5%
Q3 25
51.4%
43.7%
Q2 25
49.6%
43.4%
Q1 25
50.0%
43.7%
Q4 24
46.5%
43.8%
Q3 24
53.3%
40.3%
Q2 24
52.2%
48.3%
Q1 24
52.4%
44.3%
Operating Margin
AMPH
AMPH
SONO
SONO
Q4 25
19.4%
18.4%
Q3 25
13.2%
-12.0%
Q2 25
24.2%
-0.8%
Q1 25
21.9%
-23.6%
Q4 24
24.2%
8.7%
Q3 24
29.8%
-27.2%
Q2 24
30.3%
3.2%
Q1 24
27.9%
-28.1%
Net Margin
AMPH
AMPH
SONO
SONO
Q4 25
13.3%
17.2%
Q3 25
9.0%
-13.1%
Q2 25
17.8%
-1.0%
Q1 25
14.8%
-27.0%
Q4 24
20.4%
9.1%
Q3 24
21.1%
-20.8%
Q2 24
20.8%
0.9%
Q1 24
25.1%
-27.6%
EPS (diluted)
AMPH
AMPH
SONO
SONO
Q4 25
$0.51
$0.75
Q3 25
$0.37
$-0.30
Q2 25
$0.64
$-0.03
Q1 25
$0.51
$-0.58
Q4 24
$0.74
$0.40
Q3 24
$0.78
$-0.42
Q2 24
$0.73
$0.03
Q1 24
$0.81
$-0.56

Balance Sheet & Financial Strength

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

Metric
AMPH
AMPH
SONO
SONO
Cash + ST InvestmentsLiquidity on hand
$282.8M
$312.5M
Total DebtLower is stronger
$608.7M
Stockholders' EquityBook value
$788.8M
$443.3M
Total Assets
$1.6B
$947.9M
Debt / EquityLower = less leverage
0.77×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMPH
AMPH
SONO
SONO
Q4 25
$282.8M
$312.5M
Q3 25
$276.2M
$174.7M
Q2 25
$231.8M
$201.3M
Q1 25
$236.9M
$173.2M
Q4 24
$221.6M
$280.0M
Q3 24
$250.5M
$169.7M
Q2 24
$217.8M
$227.1M
Q1 24
$289.6M
$246.0M
Total Debt
AMPH
AMPH
SONO
SONO
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
SONO
SONO
Q4 25
$788.8M
$443.3M
Q3 25
$776.7M
$355.2M
Q2 25
$757.5M
$399.3M
Q1 25
$751.3M
$382.9M
Q4 24
$732.3M
$469.1M
Q3 24
$727.7M
$428.6M
Q2 24
$713.3M
$464.4M
Q1 24
$672.4M
$494.0M
Total Assets
AMPH
AMPH
SONO
SONO
Q4 25
$1.6B
$947.9M
Q3 25
$1.7B
$823.3M
Q2 25
$1.6B
$834.4M
Q1 25
$1.6B
$792.2M
Q4 24
$1.6B
$963.6M
Q3 24
$1.5B
$916.3M
Q2 24
$1.5B
$961.1M
Q1 24
$1.6B
$925.6M
Debt / Equity
AMPH
AMPH
SONO
SONO
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
SONO
SONO
Operating Cash FlowLast quarter
$32.9M
$163.3M
Free Cash FlowOCF − Capex
$24.6M
$157.3M
FCF MarginFCF / Revenue
13.4%
28.8%
Capex IntensityCapex / Revenue
4.5%
Cash ConversionOCF / Net Profit
1.35×
1.74×
TTM Free Cash FlowTrailing 4 quarters
$121.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMPH
AMPH
SONO
SONO
Q4 25
$32.9M
$163.3M
Q3 25
$52.6M
$2.9M
Q2 25
$35.6M
$37.4M
Q1 25
$35.1M
$-59.7M
Q4 24
$29.0M
$156.2M
Q3 24
$60.0M
$-37.7M
Q2 24
$69.1M
$63.5M
Q1 24
$55.3M
$-111.2M
Free Cash Flow
AMPH
AMPH
SONO
SONO
Q4 25
$24.6M
$157.3M
Q3 25
$47.2M
Q2 25
$25.0M
$32.7M
Q1 25
$24.4M
$-65.2M
Q4 24
$16.6M
$143.1M
Q3 24
$46.2M
Q2 24
$63.1M
$40.3M
Q1 24
$46.5M
$-121.4M
FCF Margin
AMPH
AMPH
SONO
SONO
Q4 25
13.4%
28.8%
Q3 25
24.6%
Q2 25
14.3%
9.5%
Q1 25
14.3%
-25.1%
Q4 24
8.9%
26.0%
Q3 24
24.1%
Q2 24
34.6%
10.1%
Q1 24
27.1%
-48.1%
Capex Intensity
AMPH
AMPH
SONO
SONO
Q4 25
4.5%
Q3 25
2.8%
Q2 25
6.1%
1.4%
Q1 25
6.3%
2.1%
Q4 24
6.7%
2.4%
Q3 24
7.2%
Q2 24
3.3%
5.8%
Q1 24
5.1%
4.0%
Cash Conversion
AMPH
AMPH
SONO
SONO
Q4 25
1.35×
1.74×
Q3 25
3.03×
Q2 25
1.15×
Q1 25
1.39×
Q4 24
0.76×
3.11×
Q3 24
1.48×
Q2 24
1.82×
17.12×
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%

SONO
SONO

Sonos speakers$459.2M84%
Sonos system products$65.1M12%
Partner products and other revenue$21.4M4%

Related Comparisons