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Side-by-side financial comparison of Amphastar Pharmaceuticals, Inc. (AMPH) and Empire State Realty Trust, Inc. (ESRT). Click either name above to swap in a different company.

Empire State Realty Trust, Inc. is the larger business by last-quarter revenue ($190.3M vs $183.1M, roughly 1.0× Amphastar Pharmaceuticals, Inc.). Amphastar Pharmaceuticals, Inc. runs the higher net margin — 13.3% vs 1.6%, a 11.8% gap on every dollar of revenue. On growth, Empire State Realty Trust, Inc. posted the faster year-over-year revenue change (5.7% vs -1.8%). Over the past eight quarters, Amphastar Pharmaceuticals, Inc.'s revenue compounded faster (3.2% CAGR vs 0.2%).

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.

Empire State Realty Trust is a leading real estate investment trust that owns, manages, and operates a portfolio of premium commercial, residential, and retail properties primarily in the New York City metropolitan area, including the iconic Empire State Building. It serves corporate tenants, retail partners, and residential occupants, focusing on sustainable property operations and long-term asset value growth.

AMPH vs ESRT — Head-to-Head

Bigger by revenue
ESRT
ESRT
1.0× larger
ESRT
$190.3M
$183.1M
AMPH
Growing faster (revenue YoY)
ESRT
ESRT
+7.5% gap
ESRT
5.7%
-1.8%
AMPH
Higher net margin
AMPH
AMPH
11.8% more per $
AMPH
13.3%
1.6%
ESRT
Faster 2-yr revenue CAGR
AMPH
AMPH
Annualised
AMPH
3.2%
0.2%
ESRT

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
AMPH
AMPH
ESRT
ESRT
Revenue
$183.1M
$190.3M
Net Profit
$24.4M
$3.0M
Gross Margin
46.8%
Operating Margin
19.4%
15.5%
Net Margin
13.3%
1.6%
Revenue YoY
-1.8%
5.7%
Net Profit YoY
-35.7%
-73.7%
EPS (diluted)
$0.51
$0.20

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
ESRT
ESRT
Q1 26
$190.3M
Q4 25
$183.1M
$199.2M
Q3 25
$191.8M
$197.7M
Q2 25
$174.4M
$191.3M
Q1 25
$170.5M
$180.1M
Q4 24
$186.5M
$197.6M
Q3 24
$191.2M
$199.6M
Q2 24
$182.4M
$189.5M
Net Profit
AMPH
AMPH
ESRT
ESRT
Q1 26
$3.0M
Q4 25
$24.4M
$32.2M
Q3 25
$17.4M
$13.6M
Q2 25
$31.0M
$11.4M
Q1 25
$25.3M
$15.8M
Q4 24
$38.0M
$18.8M
Q3 24
$40.4M
$22.8M
Q2 24
$37.9M
$28.6M
Gross Margin
AMPH
AMPH
ESRT
ESRT
Q1 26
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%
Operating Margin
AMPH
AMPH
ESRT
ESRT
Q1 26
15.5%
Q4 25
19.4%
17.8%
Q3 25
13.2%
19.9%
Q2 25
24.2%
18.4%
Q1 25
21.9%
14.3%
Q4 24
24.2%
21.7%
Q3 24
29.8%
22.7%
Q2 24
30.3%
20.8%
Net Margin
AMPH
AMPH
ESRT
ESRT
Q1 26
1.6%
Q4 25
13.3%
16.1%
Q3 25
9.0%
6.9%
Q2 25
17.8%
6.0%
Q1 25
14.8%
8.8%
Q4 24
20.4%
9.5%
Q3 24
21.1%
11.4%
Q2 24
20.8%
15.1%
EPS (diluted)
AMPH
AMPH
ESRT
ESRT
Q1 26
$0.20
Q4 25
$0.51
$0.11
Q3 25
$0.37
$0.05
Q2 25
$0.64
$0.04
Q1 25
$0.51
$0.05
Q4 24
$0.74
$0.07
Q3 24
$0.78
$0.08
Q2 24
$0.73
$0.10

Balance Sheet & Financial Strength

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

Metric
AMPH
AMPH
ESRT
ESRT
Cash + ST InvestmentsLiquidity on hand
$282.8M
$68.8M
Total DebtLower is stronger
$608.7M
Stockholders' EquityBook value
$788.8M
$1.8B
Total Assets
$1.6B
$4.4B
Debt / EquityLower = less leverage
0.77×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMPH
AMPH
ESRT
ESRT
Q1 26
$68.8M
Q4 25
$282.8M
$132.7M
Q3 25
$276.2M
$154.1M
Q2 25
$231.8M
$94.6M
Q1 25
$236.9M
$187.8M
Q4 24
$221.6M
$385.5M
Q3 24
$250.5M
$421.9M
Q2 24
$217.8M
$535.5M
Total Debt
AMPH
AMPH
ESRT
ESRT
Q1 26
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
Stockholders' Equity
AMPH
AMPH
ESRT
ESRT
Q1 26
$1.8B
Q4 25
$788.8M
$1.1B
Q3 25
$776.7M
$1.0B
Q2 25
$757.5M
$1.0B
Q1 25
$751.3M
$1.0B
Q4 24
$732.3M
$1.0B
Q3 24
$727.7M
$1.0B
Q2 24
$713.3M
$1.0B
Total Assets
AMPH
AMPH
ESRT
ESRT
Q1 26
$4.4B
Q4 25
$1.6B
$4.5B
Q3 25
$1.7B
$4.1B
Q2 25
$1.6B
$4.1B
Q1 25
$1.6B
$4.1B
Q4 24
$1.6B
$4.5B
Q3 24
$1.5B
$4.4B
Q2 24
$1.5B
$4.4B
Debt / Equity
AMPH
AMPH
ESRT
ESRT
Q1 26
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×

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
ESRT
ESRT
Operating Cash FlowLast quarter
$32.9M
Free Cash FlowOCF − Capex
$24.6M
FCF MarginFCF / Revenue
13.4%
Capex IntensityCapex / Revenue
4.5%
10.0%
Cash ConversionOCF / Net Profit
1.35×
TTM Free Cash FlowTrailing 4 quarters
$121.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMPH
AMPH
ESRT
ESRT
Q1 26
Q4 25
$32.9M
$249.1M
Q3 25
$52.6M
$105.3M
Q2 25
$35.6M
$26.7M
Q1 25
$35.1M
$83.1M
Q4 24
$29.0M
$260.9M
Q3 24
$60.0M
$102.8M
Q2 24
$69.1M
$37.1M
Free Cash Flow
AMPH
AMPH
ESRT
ESRT
Q1 26
Q4 25
$24.6M
$50.6M
Q3 25
$47.2M
$72.8M
Q2 25
$25.0M
$-55.1M
Q1 25
$24.4M
$41.1M
Q4 24
$16.6M
$88.0M
Q3 24
$46.2M
$-65.1M
Q2 24
$63.1M
$19.5M
FCF Margin
AMPH
AMPH
ESRT
ESRT
Q1 26
Q4 25
13.4%
25.4%
Q3 25
24.6%
36.8%
Q2 25
14.3%
-28.8%
Q1 25
14.3%
22.8%
Q4 24
8.9%
44.5%
Q3 24
24.1%
-32.6%
Q2 24
34.6%
10.3%
Capex Intensity
AMPH
AMPH
ESRT
ESRT
Q1 26
10.0%
Q4 25
4.5%
99.6%
Q3 25
2.8%
16.5%
Q2 25
6.1%
42.8%
Q1 25
6.3%
23.4%
Q4 24
6.7%
87.5%
Q3 24
7.2%
84.1%
Q2 24
3.3%
9.3%
Cash Conversion
AMPH
AMPH
ESRT
ESRT
Q1 26
Q4 25
1.35×
7.74×
Q3 25
3.03×
7.72×
Q2 25
1.15×
2.35×
Q1 25
1.39×
5.27×
Q4 24
0.76×
13.88×
Q3 24
1.48×
4.51×
Q2 24
1.82×
1.30×

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%

ESRT
ESRT

Rental revenue (1)$166.1M87%
Observatory revenue$18.5M10%
Other revenue and fees$4.1M2%
Lease termination fees$1.4M1%
Third-party management and other fees$277.0K0%

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