vs

Side-by-side financial comparison of Amphastar Pharmaceuticals, Inc. (AMPH) and SL GREEN REALTY CORP (SLG). Click either name above to swap in a different company.

SL GREEN REALTY CORP is the larger business by last-quarter revenue ($276.5M vs $183.1M, roughly 1.5× Amphastar Pharmaceuticals, Inc.). Amphastar Pharmaceuticals, Inc. runs the higher net margin — 13.3% vs -36.5%, a 49.8% gap on every dollar of revenue. On growth, SL GREEN REALTY CORP posted the faster year-over-year revenue change (12.4% vs -1.8%). Over the past eight quarters, SL GREEN REALTY CORP's revenue compounded faster (21.3% 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.

SL Green Realty Corp. is a real estate investment trust that primarily invests in office buildings and shopping centers in New York City. As of December 31, 2024, the company owned interests in 39 properties comprising 25,297,353 square feet, primarily in Manhattan. It has been referred to as "New York City’s largest office landlord".

AMPH vs SLG — Head-to-Head

Bigger by revenue
SLG
SLG
1.5× larger
SLG
$276.5M
$183.1M
AMPH
Growing faster (revenue YoY)
SLG
SLG
+14.3% gap
SLG
12.4%
-1.8%
AMPH
Higher net margin
AMPH
AMPH
49.8% more per $
AMPH
13.3%
-36.5%
SLG
Faster 2-yr revenue CAGR
SLG
SLG
Annualised
SLG
21.3%
3.2%
AMPH

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AMPH
AMPH
SLG
SLG
Revenue
$183.1M
$276.5M
Net Profit
$24.4M
$-100.8M
Gross Margin
46.8%
Operating Margin
19.4%
64.2%
Net Margin
13.3%
-36.5%
Revenue YoY
-1.8%
12.4%
Net Profit YoY
-35.7%
-870.0%
EPS (diluted)
$0.51
$-1.49

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
SLG
SLG
Q4 25
$183.1M
$276.5M
Q3 25
$191.8M
$244.8M
Q2 25
$174.4M
$241.9M
Q1 25
$170.5M
$239.8M
Q4 24
$186.5M
$245.9M
Q3 24
$191.2M
$229.7M
Q2 24
$182.4M
$222.8M
Q1 24
$171.8M
$187.9M
Net Profit
AMPH
AMPH
SLG
SLG
Q4 25
$24.4M
$-100.8M
Q3 25
$17.4M
$28.6M
Q2 25
$31.0M
$-7.4M
Q1 25
$25.3M
$-17.3M
Q4 24
$38.0M
$19.1M
Q3 24
$40.4M
$-9.5M
Q2 24
$37.9M
$1.6M
Q1 24
$43.2M
$16.9M
Gross Margin
AMPH
AMPH
SLG
SLG
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
SLG
SLG
Q4 25
19.4%
64.2%
Q3 25
13.2%
85.5%
Q2 25
24.2%
53.4%
Q1 25
21.9%
56.7%
Q4 24
24.2%
59.8%
Q3 24
29.8%
65.1%
Q2 24
30.3%
79.2%
Q1 24
27.9%
Net Margin
AMPH
AMPH
SLG
SLG
Q4 25
13.3%
-36.5%
Q3 25
9.0%
11.7%
Q2 25
17.8%
-3.0%
Q1 25
14.8%
-7.2%
Q4 24
20.4%
7.8%
Q3 24
21.1%
-4.2%
Q2 24
20.8%
0.7%
Q1 24
25.1%
9.0%
EPS (diluted)
AMPH
AMPH
SLG
SLG
Q4 25
$0.51
$-1.49
Q3 25
$0.37
$0.34
Q2 25
$0.64
$-0.16
Q1 25
$0.51
$-0.30
Q4 24
$0.74
$0.13
Q3 24
$0.78
$-0.21
Q2 24
$0.73
$-0.04
Q1 24
$0.81
$0.20

Balance Sheet & Financial Strength

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

Metric
AMPH
AMPH
SLG
SLG
Cash + ST InvestmentsLiquidity on hand
$282.8M
$155.7M
Total DebtLower is stronger
$608.7M
Stockholders' EquityBook value
$788.8M
$3.7B
Total Assets
$1.6B
$11.1B
Debt / EquityLower = less leverage
0.77×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMPH
AMPH
SLG
SLG
Q4 25
$282.8M
$155.7M
Q3 25
$276.2M
$187.0M
Q2 25
$231.8M
$182.9M
Q1 25
$236.9M
$180.1M
Q4 24
$221.6M
$184.3M
Q3 24
$250.5M
$188.2M
Q2 24
$217.8M
$199.5M
Q1 24
$289.6M
$196.0M
Total Debt
AMPH
AMPH
SLG
SLG
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
SLG
SLG
Q4 25
$788.8M
$3.7B
Q3 25
$776.7M
$3.8B
Q2 25
$757.5M
$3.8B
Q1 25
$751.3M
$3.8B
Q4 24
$732.3M
$4.0B
Q3 24
$727.7M
$3.6B
Q2 24
$713.3M
$3.7B
Q1 24
$672.4M
$3.7B
Total Assets
AMPH
AMPH
SLG
SLG
Q4 25
$1.6B
$11.1B
Q3 25
$1.7B
$11.1B
Q2 25
$1.6B
$11.3B
Q1 25
$1.6B
$11.4B
Q4 24
$1.6B
$10.5B
Q3 24
$1.5B
$10.2B
Q2 24
$1.5B
$9.5B
Q1 24
$1.6B
$9.8B
Debt / Equity
AMPH
AMPH
SLG
SLG
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
SLG
SLG
Operating Cash FlowLast quarter
$32.9M
$82.9M
Free Cash FlowOCF − Capex
$24.6M
FCF MarginFCF / Revenue
13.4%
Capex IntensityCapex / Revenue
4.5%
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
SLG
SLG
Q4 25
$32.9M
$82.9M
Q3 25
$52.6M
$-6.8M
Q2 25
$35.6M
$54.5M
Q1 25
$35.1M
$6.7M
Q4 24
$29.0M
$129.6M
Q3 24
$60.0M
$16.7M
Q2 24
$69.1M
$79.4M
Q1 24
$55.3M
$-24.7M
Free Cash Flow
AMPH
AMPH
SLG
SLG
Q4 25
$24.6M
Q3 25
$47.2M
Q2 25
$25.0M
Q1 25
$24.4M
Q4 24
$16.6M
Q3 24
$46.2M
Q2 24
$63.1M
Q1 24
$46.5M
FCF Margin
AMPH
AMPH
SLG
SLG
Q4 25
13.4%
Q3 25
24.6%
Q2 25
14.3%
Q1 25
14.3%
Q4 24
8.9%
Q3 24
24.1%
Q2 24
34.6%
Q1 24
27.1%
Capex Intensity
AMPH
AMPH
SLG
SLG
Q4 25
4.5%
Q3 25
2.8%
Q2 25
6.1%
Q1 25
6.3%
Q4 24
6.7%
Q3 24
7.2%
Q2 24
3.3%
Q1 24
5.1%
Cash Conversion
AMPH
AMPH
SLG
SLG
Q4 25
1.35×
Q3 25
3.03×
-0.24×
Q2 25
1.15×
Q1 25
1.39×
Q4 24
0.76×
6.77×
Q3 24
1.48×
Q2 24
1.82×
50.33×
Q1 24
1.28×
-1.46×

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%

SLG
SLG

Real Estate Segment$223.1M81%
Other$35.9M13%
Debt And Preferred Equity Segment$17.4M6%

Related Comparisons