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Side-by-side financial comparison of Empire State Realty OP, L.P. (ESBA) 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 $199.2M, roughly 1.0× Empire State Realty OP, L.P.). Empire State Realty OP, L.P. runs the higher net margin — 16.1% vs -62.0%, a 78.2% gap on every dollar of revenue. On growth, Ultragenyx Pharmaceutical Inc. posted the faster year-over-year revenue change (25.9% vs 0.8%). Empire State Realty OP, L.P. produced more free cash flow last quarter ($50.6M vs $-100.8M). Over the past eight quarters, Ultragenyx Pharmaceutical Inc.'s revenue compounded faster (38.0% CAGR vs 4.9%).

Empire State Realty OP, L.P. is a real estate operating partnership focused on owning, managing, and leasing premium commercial and retail properties primarily in the New York City metropolitan area. Its portfolio includes iconic landmarks like the Empire State Building, serving corporate tenants, retail brands and tourism-related business segments.

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.

ESBA vs RARE — Head-to-Head

Bigger by revenue
RARE
RARE
1.0× larger
RARE
$207.3M
$199.2M
ESBA
Growing faster (revenue YoY)
RARE
RARE
+25.1% gap
RARE
25.9%
0.8%
ESBA
Higher net margin
ESBA
ESBA
78.2% more per $
ESBA
16.1%
-62.0%
RARE
More free cash flow
ESBA
ESBA
$151.3M more FCF
ESBA
$50.6M
$-100.8M
RARE
Faster 2-yr revenue CAGR
RARE
RARE
Annualised
RARE
38.0%
4.9%
ESBA

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ESBA
ESBA
RARE
RARE
Revenue
$199.2M
$207.3M
Net Profit
$32.2M
$-128.6M
Gross Margin
Operating Margin
17.8%
-54.7%
Net Margin
16.1%
-62.0%
Revenue YoY
0.8%
25.9%
Net Profit YoY
71.2%
3.5%
EPS (diluted)
$0.11
$-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
ESBA
ESBA
RARE
RARE
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
Q1 24
$181.2M
$108.8M
Net Profit
ESBA
ESBA
RARE
RARE
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
Q1 24
$10.2M
$-170.7M
Operating Margin
ESBA
ESBA
RARE
RARE
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%
Q1 24
17.1%
-151.9%
Net Margin
ESBA
ESBA
RARE
RARE
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%
Q1 24
5.6%
-156.8%
EPS (diluted)
ESBA
ESBA
RARE
RARE
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
Q1 24
$0.03
$-2.03

Balance Sheet & Financial Strength

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

Metric
ESBA
ESBA
RARE
RARE
Cash + ST InvestmentsLiquidity on hand
$132.7M
$421.0M
Total DebtLower is stronger
Stockholders' EquityBook value
$-80.0M
Total Assets
$4.5B
$1.5B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ESBA
ESBA
RARE
RARE
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
Q1 24
$333.6M
$112.3M
Stockholders' Equity
ESBA
ESBA
RARE
RARE
Q4 25
$-80.0M
Q3 25
$9.2M
Q2 25
$151.3M
Q1 25
$144.2M
Q4 24
$255.0M
Q3 24
$346.8M
Q2 24
$432.4M
Q1 24
$140.3M
Total Assets
ESBA
ESBA
RARE
RARE
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
Q1 24
$4.2B
$1.3B

Cash Flow & Capital Efficiency

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

Metric
ESBA
ESBA
RARE
RARE
Operating Cash FlowLast quarter
$249.1M
$-99.8M
Free Cash FlowOCF − Capex
$50.6M
$-100.8M
FCF MarginFCF / Revenue
25.4%
-48.6%
Capex IntensityCapex / Revenue
99.6%
0.5%
Cash ConversionOCF / Net Profit
7.74×
TTM Free Cash FlowTrailing 4 quarters
$109.3M
$-472.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ESBA
ESBA
RARE
RARE
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
Q1 24
$70.9M
$-190.7M
Free Cash Flow
ESBA
ESBA
RARE
RARE
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
Q1 24
$23.2M
$-193.9M
FCF Margin
ESBA
ESBA
RARE
RARE
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%
Q1 24
12.8%
-178.2%
Capex Intensity
ESBA
ESBA
RARE
RARE
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%
Q1 24
26.3%
3.0%
Cash Conversion
ESBA
ESBA
RARE
RARE
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×
Q1 24
6.94×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ESBA
ESBA

Real Estate Segment$163.8M82%
Observatory Segment$35.2M18%

RARE
RARE

Royalty$105.6M51%
Products$101.7M49%

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