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Side-by-side financial comparison of CATALYST PHARMACEUTICALS, INC. (CPRX) 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 $152.6M, roughly 1.2× CATALYST PHARMACEUTICALS, INC.). CATALYST PHARMACEUTICALS, INC. runs the higher net margin — 34.5% vs 1.6%, a 33.0% gap on every dollar of revenue. On growth, CATALYST PHARMACEUTICALS, INC. posted the faster year-over-year revenue change (7.6% vs 5.7%). Over the past eight quarters, CATALYST PHARMACEUTICALS, INC.'s revenue compounded faster (24.5% CAGR vs 0.2%).

Catalyst Pharmaceuticals, Inc. is a biopharmaceutical company based in Coral Gables, Florida, United States. The company develops medicines for rare diseases, including the phosphate salt of amifampridine for the treatment of Lambert–Eaton myasthenic syndrome (LEMS). The drug is referred to under the trade name Firdapse, which was approved by the FDA for approved use in children 6 years and older with LEMS in addition to the prior approval for use in adults with LEMS on November 28, 2018. Fir...

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.

CPRX vs ESRT — Head-to-Head

Bigger by revenue
ESRT
ESRT
1.2× larger
ESRT
$190.3M
$152.6M
CPRX
Growing faster (revenue YoY)
CPRX
CPRX
+1.9% gap
CPRX
7.6%
5.7%
ESRT
Higher net margin
CPRX
CPRX
33.0% more per $
CPRX
34.5%
1.6%
ESRT
Faster 2-yr revenue CAGR
CPRX
CPRX
Annualised
CPRX
24.5%
0.2%
ESRT

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
CPRX
CPRX
ESRT
ESRT
Revenue
$152.6M
$190.3M
Net Profit
$52.7M
$3.0M
Gross Margin
82.9%
Operating Margin
40.5%
15.5%
Net Margin
34.5%
1.6%
Revenue YoY
7.6%
5.7%
Net Profit YoY
-5.8%
-73.7%
EPS (diluted)
$0.40
$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
CPRX
CPRX
ESRT
ESRT
Q1 26
$190.3M
Q4 25
$152.6M
$199.2M
Q3 25
$148.4M
$197.7M
Q2 25
$146.6M
$191.3M
Q1 25
$141.4M
$180.1M
Q4 24
$141.8M
$197.6M
Q3 24
$128.7M
$199.6M
Q2 24
$122.7M
$189.5M
Net Profit
CPRX
CPRX
ESRT
ESRT
Q1 26
$3.0M
Q4 25
$52.7M
$32.2M
Q3 25
$52.8M
$13.6M
Q2 25
$52.1M
$11.4M
Q1 25
$56.7M
$15.8M
Q4 24
$55.9M
$18.8M
Q3 24
$43.9M
$22.8M
Q2 24
$40.8M
$28.6M
Gross Margin
CPRX
CPRX
ESRT
ESRT
Q1 26
Q4 25
82.9%
Q3 25
84.7%
Q2 25
85.9%
Q1 25
87.3%
Q4 24
84.7%
Q3 24
85.0%
Q2 24
87.4%
Operating Margin
CPRX
CPRX
ESRT
ESRT
Q1 26
15.5%
Q4 25
40.5%
17.8%
Q3 25
44.7%
19.9%
Q2 25
45.2%
18.4%
Q1 25
44.8%
14.3%
Q4 24
44.3%
21.7%
Q3 24
39.6%
22.7%
Q2 24
44.2%
20.8%
Net Margin
CPRX
CPRX
ESRT
ESRT
Q1 26
1.6%
Q4 25
34.5%
16.1%
Q3 25
35.6%
6.9%
Q2 25
35.6%
6.0%
Q1 25
40.1%
8.8%
Q4 24
39.4%
9.5%
Q3 24
34.1%
11.4%
Q2 24
33.2%
15.1%
EPS (diluted)
CPRX
CPRX
ESRT
ESRT
Q1 26
$0.20
Q4 25
$0.40
$0.11
Q3 25
$0.42
$0.05
Q2 25
$0.41
$0.04
Q1 25
$0.45
$0.05
Q4 24
$0.44
$0.07
Q3 24
$0.35
$0.08
Q2 24
$0.33
$0.10

Balance Sheet & Financial Strength

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

Metric
CPRX
CPRX
ESRT
ESRT
Cash + ST InvestmentsLiquidity on hand
$709.2M
$68.8M
Total DebtLower is stronger
Stockholders' EquityBook value
$954.3M
$1.8B
Total Assets
$1.1B
$4.4B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CPRX
CPRX
ESRT
ESRT
Q1 26
$68.8M
Q4 25
$709.2M
$132.7M
Q3 25
$689.9M
$154.1M
Q2 25
$652.8M
$94.6M
Q1 25
$580.7M
$187.8M
Q4 24
$517.6M
$385.5M
Q3 24
$442.3M
$421.9M
Q2 24
$375.7M
$535.5M
Stockholders' Equity
CPRX
CPRX
ESRT
ESRT
Q1 26
$1.8B
Q4 25
$954.3M
$1.1B
Q3 25
$920.2M
$1.0B
Q2 25
$856.0M
$1.0B
Q1 25
$794.3M
$1.0B
Q4 24
$727.6M
$1.0B
Q3 24
$660.9M
$1.0B
Q2 24
$608.7M
$1.0B
Total Assets
CPRX
CPRX
ESRT
ESRT
Q1 26
$4.4B
Q4 25
$1.1B
$4.5B
Q3 25
$1.1B
$4.1B
Q2 25
$971.9M
$4.1B
Q1 25
$908.9M
$4.1B
Q4 24
$851.4M
$4.5B
Q3 24
$772.0M
$4.4B
Q2 24
$706.4M
$4.4B

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
CPRX
CPRX
ESRT
ESRT
Operating Cash FlowLast quarter
$44.9M
Free Cash FlowOCF − Capex
$44.9M
FCF MarginFCF / Revenue
29.4%
Capex IntensityCapex / Revenue
0.0%
10.0%
Cash ConversionOCF / Net Profit
0.85×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CPRX
CPRX
ESRT
ESRT
Q1 26
Q4 25
$44.9M
$249.1M
Q3 25
$32.4M
$105.3M
Q2 25
$71.3M
$26.7M
Q1 25
$60.0M
$83.1M
Q4 24
$70.9M
$260.9M
Q3 24
$72.9M
$102.8M
Q2 24
$64.1M
$37.1M
Free Cash Flow
CPRX
CPRX
ESRT
ESRT
Q1 26
Q4 25
$44.9M
$50.6M
Q3 25
$72.8M
Q2 25
$71.3M
$-55.1M
Q1 25
$41.1M
Q4 24
$70.8M
$88.0M
Q3 24
$72.6M
$-65.1M
Q2 24
$64.1M
$19.5M
FCF Margin
CPRX
CPRX
ESRT
ESRT
Q1 26
Q4 25
29.4%
25.4%
Q3 25
36.8%
Q2 25
48.6%
-28.8%
Q1 25
22.8%
Q4 24
49.9%
44.5%
Q3 24
56.4%
-32.6%
Q2 24
52.3%
10.3%
Capex Intensity
CPRX
CPRX
ESRT
ESRT
Q1 26
10.0%
Q4 25
0.0%
99.6%
Q3 25
0.0%
16.5%
Q2 25
0.0%
42.8%
Q1 25
0.0%
23.4%
Q4 24
0.1%
87.5%
Q3 24
0.2%
84.1%
Q2 24
0.0%
9.3%
Cash Conversion
CPRX
CPRX
ESRT
ESRT
Q1 26
Q4 25
0.85×
7.74×
Q3 25
0.61×
7.72×
Q2 25
1.37×
2.35×
Q1 25
1.06×
5.27×
Q4 24
1.27×
13.88×
Q3 24
1.66×
4.51×
Q2 24
1.57×
1.30×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

CPRX
CPRX

Firdapse$97.6M64%
Agamree$35.3M23%
Fycompa$19.6M13%

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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