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

Amphastar Pharmaceuticals, Inc. is the larger business by last-quarter revenue ($183.1M vs $95.1M, roughly 1.9× Turtle Beach Corp). Turtle Beach Corp runs the higher net margin — 18.5% vs 13.3%, a 5.2% gap on every dollar of revenue. On growth, Amphastar Pharmaceuticals, Inc. posted the faster year-over-year revenue change (-1.8% vs -34.9%). Amphastar Pharmaceuticals, Inc. produced more free cash flow last quarter ($24.6M vs $13.1M). Over the past eight quarters, Turtle Beach Corp's revenue compounded faster (30.5% 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.

The Turtle Beach Corporation is an American gaming accessory manufacturer based in San Diego, California. The company has roots dating back to the 1970s where it developed sound cards, MIDI synthesizers, and various audio software packages and network audio devices. The company began making gaming headsets in 2005.

AMPH vs TBCH — Head-to-Head

Bigger by revenue
AMPH
AMPH
1.9× larger
AMPH
$183.1M
$95.1M
TBCH
Growing faster (revenue YoY)
AMPH
AMPH
+33.1% gap
AMPH
-1.8%
-34.9%
TBCH
Higher net margin
TBCH
TBCH
5.2% more per $
TBCH
18.5%
13.3%
AMPH
More free cash flow
AMPH
AMPH
$11.5M more FCF
AMPH
$24.6M
$13.1M
TBCH
Faster 2-yr revenue CAGR
TBCH
TBCH
Annualised
TBCH
30.5%
3.2%
AMPH

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AMPH
AMPH
TBCH
TBCH
Revenue
$183.1M
$95.1M
Net Profit
$24.4M
$17.6M
Gross Margin
46.8%
50.0%
Operating Margin
19.4%
22.0%
Net Margin
13.3%
18.5%
Revenue YoY
-1.8%
-34.9%
Net Profit YoY
-35.7%
-12.6%
EPS (diluted)
$0.51
$0.86

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
TBCH
TBCH
Q4 25
$183.1M
$95.1M
Q3 25
$191.8M
$80.5M
Q2 25
$174.4M
$80.5M
Q1 25
$170.5M
$63.9M
Q4 24
$186.5M
$146.1M
Q3 24
$191.2M
$94.4M
Q2 24
$182.4M
$76.5M
Q1 24
$171.8M
$55.8M
Net Profit
AMPH
AMPH
TBCH
TBCH
Q4 25
$24.4M
$17.6M
Q3 25
$17.4M
$1.7M
Q2 25
$31.0M
$-2.9M
Q1 25
$25.3M
$-664.0K
Q4 24
$38.0M
$20.1M
Q3 24
$40.4M
$3.4M
Q2 24
$37.9M
$-7.5M
Q1 24
$43.2M
$155.0K
Gross Margin
AMPH
AMPH
TBCH
TBCH
Q4 25
46.8%
50.0%
Q3 25
51.4%
37.4%
Q2 25
49.6%
22.7%
Q1 25
50.0%
36.6%
Q4 24
46.5%
37.0%
Q3 24
53.3%
36.2%
Q2 24
52.2%
30.2%
Q1 24
52.4%
31.8%
Operating Margin
AMPH
AMPH
TBCH
TBCH
Q4 25
19.4%
22.0%
Q3 25
13.2%
6.7%
Q2 25
24.2%
-0.4%
Q1 25
21.9%
2.4%
Q4 24
24.2%
16.0%
Q3 24
29.8%
6.8%
Q2 24
30.3%
-5.4%
Q1 24
27.9%
-10.2%
Net Margin
AMPH
AMPH
TBCH
TBCH
Q4 25
13.3%
18.5%
Q3 25
9.0%
2.1%
Q2 25
17.8%
-3.6%
Q1 25
14.8%
-1.0%
Q4 24
20.4%
13.8%
Q3 24
21.1%
3.6%
Q2 24
20.8%
-9.8%
Q1 24
25.1%
0.3%
EPS (diluted)
AMPH
AMPH
TBCH
TBCH
Q4 25
$0.51
$0.86
Q3 25
$0.37
$0.08
Q2 25
$0.64
$-0.14
Q1 25
$0.51
$-0.03
Q4 24
$0.74
$0.96
Q3 24
$0.78
$0.16
Q2 24
$0.73
$-0.35
Q1 24
$0.81
$0.01

Balance Sheet & Financial Strength

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

Metric
AMPH
AMPH
TBCH
TBCH
Cash + ST InvestmentsLiquidity on hand
$282.8M
$17.0M
Total DebtLower is stronger
$608.7M
$55.7M
Stockholders' EquityBook value
$788.8M
$128.5M
Total Assets
$1.6B
$269.1M
Debt / EquityLower = less leverage
0.77×
0.43×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMPH
AMPH
TBCH
TBCH
Q4 25
$282.8M
$17.0M
Q3 25
$276.2M
$12.3M
Q2 25
$231.8M
$11.7M
Q1 25
$236.9M
$11.7M
Q4 24
$221.6M
$13.0M
Q3 24
$250.5M
$13.8M
Q2 24
$217.8M
$12.5M
Q1 24
$289.6M
$17.8M
Total Debt
AMPH
AMPH
TBCH
TBCH
Q4 25
$608.7M
$55.7M
Q3 25
$608.6M
$57.9M
Q2 25
$607.7M
$43.3M
Q1 25
$603.9M
$48.6M
Q4 24
$601.6M
$49.0M
Q3 24
$596.4M
$49.3M
Q2 24
$586.9M
$49.6M
Q1 24
$594.0M
$49.9M
Stockholders' Equity
AMPH
AMPH
TBCH
TBCH
Q4 25
$788.8M
$128.5M
Q3 25
$776.7M
$110.7M
Q2 25
$757.5M
$116.8M
Q1 25
$751.3M
$120.9M
Q4 24
$732.3M
$120.6M
Q3 24
$727.7M
$101.8M
Q2 24
$713.3M
$105.3M
Q1 24
$672.4M
$125.2M
Total Assets
AMPH
AMPH
TBCH
TBCH
Q4 25
$1.6B
$269.1M
Q3 25
$1.7B
$278.2M
Q2 25
$1.6B
$240.2M
Q1 25
$1.6B
$247.0M
Q4 24
$1.6B
$298.9M
Q3 24
$1.5B
$313.2M
Q2 24
$1.5B
$264.4M
Q1 24
$1.6B
$258.4M
Debt / Equity
AMPH
AMPH
TBCH
TBCH
Q4 25
0.77×
0.43×
Q3 25
0.78×
0.52×
Q2 25
0.80×
0.37×
Q1 25
0.80×
0.40×
Q4 24
0.82×
0.41×
Q3 24
0.82×
0.48×
Q2 24
0.82×
0.47×
Q1 24
0.88×
0.40×

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
TBCH
TBCH
Operating Cash FlowLast quarter
$32.9M
$13.3M
Free Cash FlowOCF − Capex
$24.6M
$13.1M
FCF MarginFCF / Revenue
13.4%
13.8%
Capex IntensityCapex / Revenue
4.5%
0.3%
Cash ConversionOCF / Net Profit
1.35×
0.76×
TTM Free Cash FlowTrailing 4 quarters
$121.2M
$34.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMPH
AMPH
TBCH
TBCH
Q4 25
$32.9M
$13.3M
Q3 25
$52.6M
$-15.2M
Q2 25
$35.6M
$-3.1M
Q1 25
$35.1M
$40.5M
Q4 24
$29.0M
$14.3M
Q3 24
$60.0M
$-23.2M
Q2 24
$69.1M
$-12.6M
Q1 24
$55.3M
$27.3M
Free Cash Flow
AMPH
AMPH
TBCH
TBCH
Q4 25
$24.6M
$13.1M
Q3 25
$47.2M
$-15.9M
Q2 25
$25.0M
$-3.5M
Q1 25
$24.4M
$40.3M
Q4 24
$16.6M
$12.8M
Q3 24
$46.2M
$-24.6M
Q2 24
$63.1M
$-13.9M
Q1 24
$46.5M
$26.5M
FCF Margin
AMPH
AMPH
TBCH
TBCH
Q4 25
13.4%
13.8%
Q3 25
24.6%
-19.7%
Q2 25
14.3%
-4.3%
Q1 25
14.3%
63.0%
Q4 24
8.9%
8.8%
Q3 24
24.1%
-26.1%
Q2 24
34.6%
-18.1%
Q1 24
27.1%
47.5%
Capex Intensity
AMPH
AMPH
TBCH
TBCH
Q4 25
4.5%
0.3%
Q3 25
2.8%
0.8%
Q2 25
6.1%
0.4%
Q1 25
6.3%
0.3%
Q4 24
6.7%
1.0%
Q3 24
7.2%
1.5%
Q2 24
3.3%
1.6%
Q1 24
5.1%
1.3%
Cash Conversion
AMPH
AMPH
TBCH
TBCH
Q4 25
1.35×
0.76×
Q3 25
3.03×
-8.84×
Q2 25
1.15×
Q1 25
1.39×
Q4 24
0.76×
0.71×
Q3 24
1.48×
-6.79×
Q2 24
1.82×
Q1 24
1.28×
175.85×

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%

TBCH
TBCH

Europe And Middle East$71.0M75%
Asia Pacific$13.3M14%
Other$10.8M11%

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