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

Kosmos Energy Ltd. is the larger business by last-quarter revenue ($294.6M vs $190.3M, roughly 1.5× Empire State Realty Trust, Inc.). On growth, Empire State Realty Trust, Inc. posted the faster year-over-year revenue change (5.7% vs -25.9%). Over the past eight quarters, Empire State Realty Trust, Inc.'s revenue compounded faster (0.2% CAGR vs -16.5%).

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.

Kosmos Energy is an American upstream oil company founded and based in Dallas, Texas. While previously incorporated in Bermuda, Kosmos has reincorporated in Delaware. The company holds production and development operations offshore Ghana, Equatorial Guinea, and Gulf of Mexico, while holding a development project offshore Mauritania and Senegal, and exploration licenses offshore Namibia, São Tomé and Príncipe and Suriname. It was previously involved in exploration offshore Morocco and Western ...

ESRT vs KOS — Head-to-Head

Bigger by revenue
KOS
KOS
1.5× larger
KOS
$294.6M
$190.3M
ESRT
Growing faster (revenue YoY)
ESRT
ESRT
+31.6% gap
ESRT
5.7%
-25.9%
KOS
Faster 2-yr revenue CAGR
ESRT
ESRT
Annualised
ESRT
0.2%
-16.5%
KOS

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
ESRT
ESRT
KOS
KOS
Revenue
$190.3M
$294.6M
Net Profit
$3.0M
Gross Margin
Operating Margin
15.5%
-125.7%
Net Margin
1.6%
Revenue YoY
5.7%
-25.9%
Net Profit YoY
-73.7%
EPS (diluted)
$0.20
$-0.80

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
KOS
KOS
Q1 26
$190.3M
Q4 25
$199.2M
$294.6M
Q3 25
$197.7M
$311.0M
Q2 25
$191.3M
$392.6M
Q1 25
$180.1M
$290.1M
Q4 24
$197.6M
$397.6M
Q3 24
$199.6M
$407.8M
Q2 24
$189.5M
$447.8M
Net Profit
ESRT
ESRT
KOS
KOS
Q1 26
$3.0M
Q4 25
$32.2M
Q3 25
$13.6M
$-124.3M
Q2 25
$11.4M
$-87.7M
Q1 25
$15.8M
$-110.6M
Q4 24
$18.8M
Q3 24
$22.8M
$45.0M
Q2 24
$28.6M
$59.8M
Operating Margin
ESRT
ESRT
KOS
KOS
Q1 26
15.5%
Q4 25
17.8%
-125.7%
Q3 25
19.9%
-34.2%
Q2 25
18.4%
-16.2%
Q1 25
14.3%
-32.4%
Q4 24
21.7%
-8.5%
Q3 24
22.7%
26.1%
Q2 24
20.8%
30.2%
Net Margin
ESRT
ESRT
KOS
KOS
Q1 26
1.6%
Q4 25
16.1%
Q3 25
6.9%
-40.0%
Q2 25
6.0%
-22.3%
Q1 25
8.8%
-38.1%
Q4 24
9.5%
Q3 24
11.4%
11.0%
Q2 24
15.1%
13.3%
EPS (diluted)
ESRT
ESRT
KOS
KOS
Q1 26
$0.20
Q4 25
$0.11
$-0.80
Q3 25
$0.05
$-0.26
Q2 25
$0.04
$-0.18
Q1 25
$0.05
$-0.23
Q4 24
$0.07
$0.00
Q3 24
$0.08
$0.09
Q2 24
$0.10
$0.12

Balance Sheet & Financial Strength

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

Metric
ESRT
ESRT
KOS
KOS
Cash + ST InvestmentsLiquidity on hand
$68.8M
$91.5M
Total DebtLower is stronger
$3.1B
Stockholders' EquityBook value
$1.8B
$528.6M
Total Assets
$4.4B
$4.7B
Debt / EquityLower = less leverage
5.78×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ESRT
ESRT
KOS
KOS
Q1 26
$68.8M
Q4 25
$132.7M
$91.5M
Q3 25
$154.1M
$64.0M
Q2 25
$94.6M
$51.7M
Q1 25
$187.8M
$49.8M
Q4 24
$385.5M
$85.0M
Q3 24
$421.9M
$51.6M
Q2 24
$535.5M
$173.8M
Total Debt
ESRT
ESRT
KOS
KOS
Q1 26
Q4 25
$3.1B
Q3 25
$3.0B
Q2 25
$2.9B
Q1 25
Q4 24
$2.7B
Q3 24
Q2 24
Stockholders' Equity
ESRT
ESRT
KOS
KOS
Q1 26
$1.8B
Q4 25
$1.1B
$528.6M
Q3 25
$1.0B
$898.8M
Q2 25
$1.0B
$1.0B
Q1 25
$1.0B
$1.1B
Q4 24
$1.0B
$1.2B
Q3 24
$1.0B
$1.2B
Q2 24
$1.0B
$1.1B
Total Assets
ESRT
ESRT
KOS
KOS
Q1 26
$4.4B
Q4 25
$4.5B
$4.7B
Q3 25
$4.1B
$5.1B
Q2 25
$4.1B
$5.2B
Q1 25
$4.1B
$5.3B
Q4 24
$4.5B
$5.3B
Q3 24
$4.4B
$5.5B
Q2 24
$4.4B
$5.4B
Debt / Equity
ESRT
ESRT
KOS
KOS
Q1 26
Q4 25
5.78×
Q3 25
3.31×
Q2 25
2.80×
Q1 25
Q4 24
2.29×
Q3 24
Q2 24

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
KOS
KOS
Operating Cash FlowLast quarter
$35.3M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
10.0%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ESRT
ESRT
KOS
KOS
Q1 26
Q4 25
$249.1M
$35.3M
Q3 25
$105.3M
$-27.6M
Q2 25
$26.7M
$127.2M
Q1 25
$83.1M
$-888.0K
Q4 24
$260.9M
$175.7M
Q3 24
$102.8M
$6.3M
Q2 24
$37.1M
$223.7M
Free Cash Flow
ESRT
ESRT
KOS
KOS
Q1 26
Q4 25
$50.6M
Q3 25
$72.8M
Q2 25
$-55.1M
Q1 25
$41.1M
Q4 24
$88.0M
Q3 24
$-65.1M
Q2 24
$19.5M
FCF Margin
ESRT
ESRT
KOS
KOS
Q1 26
Q4 25
25.4%
Q3 25
36.8%
Q2 25
-28.8%
Q1 25
22.8%
Q4 24
44.5%
Q3 24
-32.6%
Q2 24
10.3%
Capex Intensity
ESRT
ESRT
KOS
KOS
Q1 26
10.0%
Q4 25
99.6%
Q3 25
16.5%
Q2 25
42.8%
Q1 25
23.4%
Q4 24
87.5%
Q3 24
84.1%
Q2 24
9.3%
Cash Conversion
ESRT
ESRT
KOS
KOS
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×
0.14×
Q2 24
1.30×
3.74×

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%

KOS
KOS

Ghana Segment$134.6M46%
Gulf Of America$80.7M27%
Mauritania And Senegal$54.9M19%
Equatorial Guinea Segment$24.3M8%

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