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

Ultragenyx Pharmaceutical Inc. is the larger business by last-quarter revenue ($207.3M vs $190.3M, roughly 1.1× Empire State Realty Trust, Inc.). Empire State Realty Trust, Inc. runs the higher net margin — 1.6% vs -62.0%, a 63.6% gap on every dollar of revenue. On growth, Ultragenyx Pharmaceutical Inc. posted the faster year-over-year revenue change (25.9% vs 5.7%). Over the past eight quarters, Ultragenyx Pharmaceutical Inc.'s revenue compounded faster (38.0% CAGR vs 0.2%).

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.

Ultragenyx Pharmaceutical Inc. is an American biopharmaceutical company involved in the research and development of novel products for treatment of rare and ultra-rare genetic diseases for which there are typically no approved treatments and high unmet medical need. The company works with multiple drug modalities including biologics, small molecule, gene therapies, and ASO and mRNAs in the disease categories of bone, endocrine, metabolic, muscle and CNS diseases.

ESRT vs RARE — Head-to-Head

Bigger by revenue
RARE
RARE
1.1× larger
RARE
$207.3M
$190.3M
ESRT
Growing faster (revenue YoY)
RARE
RARE
+20.2% gap
RARE
25.9%
5.7%
ESRT
Higher net margin
ESRT
ESRT
63.6% more per $
ESRT
1.6%
-62.0%
RARE
Faster 2-yr revenue CAGR
RARE
RARE
Annualised
RARE
38.0%
0.2%
ESRT

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
ESRT
ESRT
RARE
RARE
Revenue
$190.3M
$207.3M
Net Profit
$3.0M
$-128.6M
Gross Margin
Operating Margin
15.5%
-54.7%
Net Margin
1.6%
-62.0%
Revenue YoY
5.7%
25.9%
Net Profit YoY
-73.7%
3.5%
EPS (diluted)
$0.20
$-1.28

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
ESRT
ESRT
RARE
RARE
Q1 26
$190.3M
Q4 25
$199.2M
$207.3M
Q3 25
$197.7M
$159.9M
Q2 25
$191.3M
$166.5M
Q1 25
$180.1M
$139.3M
Q4 24
$197.6M
$164.6M
Q3 24
$199.6M
$139.5M
Q2 24
$189.5M
$147.0M
Net Profit
ESRT
ESRT
RARE
RARE
Q1 26
$3.0M
Q4 25
$32.2M
$-128.6M
Q3 25
$13.6M
$-180.4M
Q2 25
$11.4M
$-115.0M
Q1 25
$15.8M
$-151.1M
Q4 24
$18.8M
$-133.2M
Q3 24
$22.8M
$-133.5M
Q2 24
$28.6M
$-131.6M
Operating Margin
ESRT
ESRT
RARE
RARE
Q1 26
15.5%
Q4 25
17.8%
-54.7%
Q3 25
19.9%
-106.9%
Q2 25
18.4%
-64.8%
Q1 25
14.3%
-102.6%
Q4 24
21.7%
-74.3%
Q3 24
22.7%
-94.6%
Q2 24
20.8%
-79.1%
Net Margin
ESRT
ESRT
RARE
RARE
Q1 26
1.6%
Q4 25
16.1%
-62.0%
Q3 25
6.9%
-112.8%
Q2 25
6.0%
-69.0%
Q1 25
8.8%
-108.5%
Q4 24
9.5%
-80.9%
Q3 24
11.4%
-95.7%
Q2 24
15.1%
-89.5%
EPS (diluted)
ESRT
ESRT
RARE
RARE
Q1 26
$0.20
Q4 25
$0.11
$-1.28
Q3 25
$0.05
$-1.81
Q2 25
$0.04
$-1.17
Q1 25
$0.05
$-1.57
Q4 24
$0.07
$-1.34
Q3 24
$0.08
$-1.40
Q2 24
$0.10
$-1.52

Balance Sheet & Financial Strength

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

Metric
ESRT
ESRT
RARE
RARE
Cash + ST InvestmentsLiquidity on hand
$68.8M
$421.0M
Total DebtLower is stronger
Stockholders' EquityBook value
$1.8B
$-80.0M
Total Assets
$4.4B
$1.5B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ESRT
ESRT
RARE
RARE
Q1 26
$68.8M
Q4 25
$132.7M
$421.0M
Q3 25
$154.1M
$202.5M
Q2 25
$94.6M
$176.3M
Q1 25
$187.8M
$127.1M
Q4 24
$385.5M
$174.0M
Q3 24
$421.9M
$150.6M
Q2 24
$535.5M
$480.7M
Stockholders' Equity
ESRT
ESRT
RARE
RARE
Q1 26
$1.8B
Q4 25
$1.1B
$-80.0M
Q3 25
$1.0B
$9.2M
Q2 25
$1.0B
$151.3M
Q1 25
$1.0B
$144.2M
Q4 24
$1.0B
$255.0M
Q3 24
$1.0B
$346.8M
Q2 24
$1.0B
$432.4M
Total Assets
ESRT
ESRT
RARE
RARE
Q1 26
$4.4B
Q4 25
$4.5B
$1.5B
Q3 25
$4.1B
$1.2B
Q2 25
$4.1B
$1.3B
Q1 25
$4.1B
$1.3B
Q4 24
$4.5B
$1.5B
Q3 24
$4.4B
$1.5B
Q2 24
$4.4B
$1.6B

Cash Flow & Capital Efficiency

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

Metric
ESRT
ESRT
RARE
RARE
Operating Cash FlowLast quarter
$-99.8M
Free Cash FlowOCF − Capex
$-100.8M
FCF MarginFCF / Revenue
-48.6%
Capex IntensityCapex / Revenue
10.0%
0.5%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-472.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ESRT
ESRT
RARE
RARE
Q1 26
Q4 25
$249.1M
$-99.8M
Q3 25
$105.3M
$-91.4M
Q2 25
$26.7M
$-108.3M
Q1 25
$83.1M
$-166.5M
Q4 24
$260.9M
$-79.3M
Q3 24
$102.8M
$-67.0M
Q2 24
$37.1M
$-77.0M
Free Cash Flow
ESRT
ESRT
RARE
RARE
Q1 26
Q4 25
$50.6M
$-100.8M
Q3 25
$72.8M
$-92.7M
Q2 25
$-55.1M
$-110.7M
Q1 25
$41.1M
$-167.8M
Q4 24
$88.0M
$-79.5M
Q3 24
$-65.1M
$-68.6M
Q2 24
$19.5M
$-79.0M
FCF Margin
ESRT
ESRT
RARE
RARE
Q1 26
Q4 25
25.4%
-48.6%
Q3 25
36.8%
-58.0%
Q2 25
-28.8%
-66.5%
Q1 25
22.8%
-120.5%
Q4 24
44.5%
-48.3%
Q3 24
-32.6%
-49.2%
Q2 24
10.3%
-53.7%
Capex Intensity
ESRT
ESRT
RARE
RARE
Q1 26
10.0%
Q4 25
99.6%
0.5%
Q3 25
16.5%
0.8%
Q2 25
42.8%
1.5%
Q1 25
23.4%
1.0%
Q4 24
87.5%
0.1%
Q3 24
84.1%
1.2%
Q2 24
9.3%
1.4%
Cash Conversion
ESRT
ESRT
RARE
RARE
Q1 26
Q4 25
7.74×
Q3 25
7.72×
Q2 25
2.35×
Q1 25
5.27×
Q4 24
13.88×
Q3 24
4.51×
Q2 24
1.30×

Financial Flow Comparison

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

Revenue Breakdown by Segment

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%

RARE
RARE

Royalty$105.6M51%
Products$101.7M49%

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