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

Amphastar Pharmaceuticals, Inc. is the larger business by last-quarter revenue ($183.1M vs $100.0M, roughly 1.8× Latham Group, Inc.). Amphastar Pharmaceuticals, Inc. runs the higher net margin — 13.3% vs -7.0%, a 20.4% gap on every dollar of revenue. On growth, Latham Group, Inc. posted the faster year-over-year revenue change (14.5% vs -1.8%). Amphastar Pharmaceuticals, Inc. produced more free cash flow last quarter ($24.6M vs $14.1M). Over the past eight quarters, Amphastar Pharmaceuticals, Inc.'s revenue compounded faster (3.2% CAGR vs -4.9%).

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.

Latham & Watkins LLP is an American multinational law firm. Founded in 1934 in Los Angeles, California, it is known for its litigation, corporate, and regulatory law practices.

AMPH vs SWIM — Head-to-Head

Bigger by revenue
AMPH
AMPH
1.8× larger
AMPH
$183.1M
$100.0M
SWIM
Growing faster (revenue YoY)
SWIM
SWIM
+16.4% gap
SWIM
14.5%
-1.8%
AMPH
Higher net margin
AMPH
AMPH
20.4% more per $
AMPH
13.3%
-7.0%
SWIM
More free cash flow
AMPH
AMPH
$10.5M more FCF
AMPH
$24.6M
$14.1M
SWIM
Faster 2-yr revenue CAGR
AMPH
AMPH
Annualised
AMPH
3.2%
-4.9%
SWIM

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AMPH
AMPH
SWIM
SWIM
Revenue
$183.1M
$100.0M
Net Profit
$24.4M
$-7.0M
Gross Margin
46.8%
28.0%
Operating Margin
19.4%
-10.7%
Net Margin
13.3%
-7.0%
Revenue YoY
-1.8%
14.5%
Net Profit YoY
-35.7%
76.0%
EPS (diluted)
$0.51
$-0.06

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
SWIM
SWIM
Q4 25
$183.1M
$100.0M
Q3 25
$191.8M
$161.9M
Q2 25
$174.4M
$172.6M
Q1 25
$170.5M
$111.4M
Q4 24
$186.5M
$87.3M
Q3 24
$191.2M
$150.5M
Q2 24
$182.4M
$160.1M
Q1 24
$171.8M
$110.6M
Net Profit
AMPH
AMPH
SWIM
SWIM
Q4 25
$24.4M
$-7.0M
Q3 25
$17.4M
$8.1M
Q2 25
$31.0M
$16.0M
Q1 25
$25.3M
$-6.0M
Q4 24
$38.0M
$-29.2M
Q3 24
$40.4M
$5.9M
Q2 24
$37.9M
$13.3M
Q1 24
$43.2M
$-7.9M
Gross Margin
AMPH
AMPH
SWIM
SWIM
Q4 25
46.8%
28.0%
Q3 25
51.4%
35.4%
Q2 25
49.6%
37.1%
Q1 25
50.0%
29.5%
Q4 24
46.5%
24.6%
Q3 24
53.3%
32.4%
Q2 24
52.2%
33.1%
Q1 24
52.4%
27.7%
Operating Margin
AMPH
AMPH
SWIM
SWIM
Q4 25
19.4%
-10.7%
Q3 25
13.2%
13.3%
Q2 25
24.2%
14.3%
Q1 25
21.9%
-4.4%
Q4 24
24.2%
-14.9%
Q3 24
29.8%
8.9%
Q2 24
30.3%
12.5%
Q1 24
27.9%
-1.9%
Net Margin
AMPH
AMPH
SWIM
SWIM
Q4 25
13.3%
-7.0%
Q3 25
9.0%
5.0%
Q2 25
17.8%
9.3%
Q1 25
14.8%
-5.4%
Q4 24
20.4%
-33.4%
Q3 24
21.1%
3.9%
Q2 24
20.8%
8.3%
Q1 24
25.1%
-7.1%
EPS (diluted)
AMPH
AMPH
SWIM
SWIM
Q4 25
$0.51
$-0.06
Q3 25
$0.37
$0.07
Q2 25
$0.64
$0.13
Q1 25
$0.51
$-0.05
Q4 24
$0.74
$-0.24
Q3 24
$0.78
$0.05
Q2 24
$0.73
$0.11
Q1 24
$0.81
$-0.07

Balance Sheet & Financial Strength

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

Metric
AMPH
AMPH
SWIM
SWIM
Cash + ST InvestmentsLiquidity on hand
$282.8M
Total DebtLower is stronger
$608.7M
$279.8M
Stockholders' EquityBook value
$788.8M
$405.9M
Total Assets
$1.6B
$823.2M
Debt / EquityLower = less leverage
0.77×
0.69×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMPH
AMPH
SWIM
SWIM
Q4 25
$282.8M
Q3 25
$276.2M
Q2 25
$231.8M
Q1 25
$236.9M
Q4 24
$221.6M
Q3 24
$250.5M
Q2 24
$217.8M
Q1 24
$289.6M
Total Debt
AMPH
AMPH
SWIM
SWIM
Q4 25
$608.7M
$279.8M
Q3 25
$608.6M
$281.1M
Q2 25
$607.7M
$281.5M
Q1 25
$603.9M
$306.9M
Q4 24
$601.6M
$281.5M
Q3 24
$596.4M
$282.8M
Q2 24
$586.9M
$282.4M
Q1 24
$594.0M
$282.8M
Stockholders' Equity
AMPH
AMPH
SWIM
SWIM
Q4 25
$788.8M
$405.9M
Q3 25
$776.7M
$408.4M
Q2 25
$757.5M
$398.4M
Q1 25
$751.3M
$381.1M
Q4 24
$732.3M
$387.2M
Q3 24
$727.7M
$416.6M
Q2 24
$713.3M
$408.1M
Q1 24
$672.4M
$391.8M
Total Assets
AMPH
AMPH
SWIM
SWIM
Q4 25
$1.6B
$823.2M
Q3 25
$1.7B
$844.4M
Q2 25
$1.6B
$822.1M
Q1 25
$1.6B
$824.6M
Q4 24
$1.6B
$794.2M
Q3 24
$1.5B
$853.4M
Q2 24
$1.5B
$830.0M
Q1 24
$1.6B
$808.6M
Debt / Equity
AMPH
AMPH
SWIM
SWIM
Q4 25
0.77×
0.69×
Q3 25
0.78×
0.69×
Q2 25
0.80×
0.71×
Q1 25
0.80×
0.81×
Q4 24
0.82×
0.73×
Q3 24
0.82×
0.68×
Q2 24
0.82×
0.69×
Q1 24
0.88×
0.72×

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
SWIM
SWIM
Operating Cash FlowLast quarter
$32.9M
$23.3M
Free Cash FlowOCF − Capex
$24.6M
$14.1M
FCF MarginFCF / Revenue
13.4%
14.1%
Capex IntensityCapex / Revenue
4.5%
9.2%
Cash ConversionOCF / Net Profit
1.35×
TTM Free Cash FlowTrailing 4 quarters
$121.2M
$38.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMPH
AMPH
SWIM
SWIM
Q4 25
$32.9M
$23.3M
Q3 25
$52.6M
$51.0M
Q2 25
$35.6M
$36.0M
Q1 25
$35.1M
$-46.9M
Q4 24
$29.0M
$6.2M
Q3 24
$60.0M
$37.2M
Q2 24
$69.1M
$52.4M
Q1 24
$55.3M
$-34.5M
Free Cash Flow
AMPH
AMPH
SWIM
SWIM
Q4 25
$24.6M
$14.1M
Q3 25
$47.2M
$45.2M
Q2 25
$25.0M
$29.1M
Q1 25
$24.4M
$-50.3M
Q4 24
$16.6M
$-98.0K
Q3 24
$46.2M
$33.2M
Q2 24
$63.1M
$47.9M
Q1 24
$46.5M
$-39.9M
FCF Margin
AMPH
AMPH
SWIM
SWIM
Q4 25
13.4%
14.1%
Q3 25
24.6%
27.9%
Q2 25
14.3%
16.8%
Q1 25
14.3%
-45.2%
Q4 24
8.9%
-0.1%
Q3 24
24.1%
22.1%
Q2 24
34.6%
29.9%
Q1 24
27.1%
-36.0%
Capex Intensity
AMPH
AMPH
SWIM
SWIM
Q4 25
4.5%
9.2%
Q3 25
2.8%
3.6%
Q2 25
6.1%
4.0%
Q1 25
6.3%
3.1%
Q4 24
6.7%
7.2%
Q3 24
7.2%
2.7%
Q2 24
3.3%
2.8%
Q1 24
5.1%
4.8%
Cash Conversion
AMPH
AMPH
SWIM
SWIM
Q4 25
1.35×
Q3 25
3.03×
6.29×
Q2 25
1.15×
2.25×
Q1 25
1.39×
Q4 24
0.76×
Q3 24
1.48×
6.32×
Q2 24
1.82×
3.95×
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%

SWIM
SWIM

In Ground Swimming Pools$50.2M50%
Covers$37.0M37%
Liners$12.7M13%

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