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

GIBRALTAR INDUSTRIES, INC. is the larger business by last-quarter revenue ($225.0M vs $190.3M, roughly 1.2× Empire State Realty Trust, Inc.). On growth, GIBRALTAR INDUSTRIES, INC. posted the faster year-over-year revenue change (24.9% vs 5.7%). Over the past eight quarters, Empire State Realty Trust, Inc.'s revenue compounded faster (0.2% CAGR vs -12.3%).

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.

Gibraltar Industries, Inc. is a leading manufacturer and distributor of specialized building, infrastructure, and renewable energy products. Its offerings include ventilation systems, roofing accessories, solar mounting solutions, and landscape and garden products, serving residential, commercial construction, and clean energy markets primarily across North America, with a focus on innovative, sustainable solutions for its customers.

ESRT vs ROCK — Head-to-Head

Bigger by revenue
ROCK
ROCK
1.2× larger
ROCK
$225.0M
$190.3M
ESRT
Growing faster (revenue YoY)
ROCK
ROCK
+19.3% gap
ROCK
24.9%
5.7%
ESRT
Faster 2-yr revenue CAGR
ESRT
ESRT
Annualised
ESRT
0.2%
-12.3%
ROCK

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
ESRT
ESRT
ROCK
ROCK
Revenue
$190.3M
$225.0M
Net Profit
$3.0M
Gross Margin
25.3%
Operating Margin
15.5%
7.9%
Net Margin
1.6%
Revenue YoY
5.7%
24.9%
Net Profit YoY
-73.7%
EPS (diluted)
$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
ESRT
ESRT
ROCK
ROCK
Q1 26
$190.3M
Q4 25
$199.2M
$225.0M
Q3 25
$197.7M
$310.9M
Q2 25
$191.3M
$309.5M
Q1 25
$180.1M
$290.0M
Q4 24
$197.6M
$180.1M
Q3 24
$199.6M
$277.1M
Q2 24
$189.5M
$273.6M
Net Profit
ESRT
ESRT
ROCK
ROCK
Q1 26
$3.0M
Q4 25
$32.2M
Q3 25
$13.6M
$-89.1M
Q2 25
$11.4M
$26.0M
Q1 25
$15.8M
$21.1M
Q4 24
$18.8M
Q3 24
$22.8M
$34.0M
Q2 24
$28.6M
$32.2M
Gross Margin
ESRT
ESRT
ROCK
ROCK
Q1 26
Q4 25
25.3%
Q3 25
26.6%
Q2 25
28.4%
Q1 25
26.8%
Q4 24
29.0%
Q3 24
29.4%
Q2 24
30.5%
Operating Margin
ESRT
ESRT
ROCK
ROCK
Q1 26
15.5%
Q4 25
17.8%
7.9%
Q3 25
19.9%
12.8%
Q2 25
18.4%
12.8%
Q1 25
14.3%
8.8%
Q4 24
21.7%
13.3%
Q3 24
22.7%
15.6%
Q2 24
20.8%
14.9%
Net Margin
ESRT
ESRT
ROCK
ROCK
Q1 26
1.6%
Q4 25
16.1%
Q3 25
6.9%
-28.6%
Q2 25
6.0%
8.4%
Q1 25
8.8%
7.3%
Q4 24
9.5%
Q3 24
11.4%
12.3%
Q2 24
15.1%
11.8%
EPS (diluted)
ESRT
ESRT
ROCK
ROCK
Q1 26
$0.20
Q4 25
$0.11
Q3 25
$0.05
$-2.98
Q2 25
$0.04
$0.87
Q1 25
$0.05
Q4 24
$0.07
Q3 24
$0.08
$1.11
Q2 24
$0.10
$1.05

Balance Sheet & Financial Strength

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

Metric
ESRT
ESRT
ROCK
ROCK
Cash + ST InvestmentsLiquidity on hand
$68.8M
$115.7M
Total DebtLower is stronger
$0
Stockholders' EquityBook value
$1.8B
$950.4M
Total Assets
$4.4B
$1.4B
Debt / EquityLower = less leverage
0.00×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ESRT
ESRT
ROCK
ROCK
Q1 26
$68.8M
Q4 25
$132.7M
$115.7M
Q3 25
$154.1M
$89.4M
Q2 25
$94.6M
$43.3M
Q1 25
$187.8M
$25.1M
Q4 24
$385.5M
$269.5M
Q3 24
$421.9M
$228.9M
Q2 24
$535.5M
$179.1M
Total Debt
ESRT
ESRT
ROCK
ROCK
Q1 26
Q4 25
$0
Q3 25
$0
Q2 25
$0
Q1 25
$0
Q4 24
$0
Q3 24
$0
Q2 24
$0
Stockholders' Equity
ESRT
ESRT
ROCK
ROCK
Q1 26
$1.8B
Q4 25
$1.1B
$950.4M
Q3 25
$1.0B
$951.8M
Q2 25
$1.0B
$1.0B
Q1 25
$1.0B
$1.0B
Q4 24
$1.0B
$1.0B
Q3 24
$1.0B
$1.0B
Q2 24
$1.0B
$975.7M
Total Assets
ESRT
ESRT
ROCK
ROCK
Q1 26
$4.4B
Q4 25
$4.5B
$1.4B
Q3 25
$4.1B
$1.4B
Q2 25
$4.1B
$1.5B
Q1 25
$4.1B
$1.4B
Q4 24
$4.5B
$1.4B
Q3 24
$4.4B
$1.4B
Q2 24
$4.4B
$1.4B
Debt / Equity
ESRT
ESRT
ROCK
ROCK
Q1 26
Q4 25
0.00×
Q3 25
0.00×
Q2 25
0.00×
Q1 25
0.00×
Q4 24
0.00×
Q3 24
0.00×
Q2 24
0.00×

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
ROCK
ROCK
Operating Cash FlowLast quarter
$35.5M
Free Cash FlowOCF − Capex
$26.2M
FCF MarginFCF / Revenue
11.7%
Capex IntensityCapex / Revenue
10.0%
4.1%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$120.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ESRT
ESRT
ROCK
ROCK
Q1 26
Q4 25
$249.1M
$35.5M
Q3 25
$105.3M
$73.0M
Q2 25
$26.7M
$44.9M
Q1 25
$83.1M
$13.7M
Q4 24
$260.9M
$19.9M
Q3 24
$102.8M
$64.7M
Q2 24
$37.1M
$36.5M
Free Cash Flow
ESRT
ESRT
ROCK
ROCK
Q1 26
Q4 25
$50.6M
$26.2M
Q3 25
$72.8M
$64.8M
Q2 25
$-55.1M
$27.3M
Q1 25
$41.1M
$2.3M
Q4 24
$88.0M
$14.1M
Q3 24
$-65.1M
$60.5M
Q2 24
$19.5M
$33.5M
FCF Margin
ESRT
ESRT
ROCK
ROCK
Q1 26
Q4 25
25.4%
11.7%
Q3 25
36.8%
20.8%
Q2 25
-28.8%
8.8%
Q1 25
22.8%
0.8%
Q4 24
44.5%
7.8%
Q3 24
-32.6%
21.8%
Q2 24
10.3%
12.2%
Capex Intensity
ESRT
ESRT
ROCK
ROCK
Q1 26
10.0%
Q4 25
99.6%
4.1%
Q3 25
16.5%
2.6%
Q2 25
42.8%
5.7%
Q1 25
23.4%
3.9%
Q4 24
87.5%
3.3%
Q3 24
84.1%
1.5%
Q2 24
9.3%
1.1%
Cash Conversion
ESRT
ESRT
ROCK
ROCK
Q1 26
Q4 25
7.74×
Q3 25
7.72×
Q2 25
2.35×
1.73×
Q1 25
5.27×
0.65×
Q4 24
13.88×
Q3 24
4.51×
1.90×
Q2 24
1.30×
1.13×

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%

ROCK
ROCK

Transferred At Point In Time$183.5M82%
Infrastructure$22.5M10%
Other$18.9M8%

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