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Side-by-side financial comparison of GIBRALTAR INDUSTRIES, INC. (ROCK) and SL GREEN REALTY CORP (SLG). Click either name above to swap in a different company.

SL GREEN REALTY CORP is the larger business by last-quarter revenue ($276.5M vs $225.0M, roughly 1.2× GIBRALTAR INDUSTRIES, INC.). On growth, GIBRALTAR INDUSTRIES, INC. posted the faster year-over-year revenue change (24.9% vs 12.4%). Over the past eight quarters, SL GREEN REALTY CORP's revenue compounded faster (21.3% CAGR vs -12.3%).

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.

SL Green Realty Corp. is a real estate investment trust that primarily invests in office buildings and shopping centers in New York City. As of December 31, 2024, the company owned interests in 39 properties comprising 25,297,353 square feet, primarily in Manhattan. It has been referred to as "New York City’s largest office landlord".

ROCK vs SLG — Head-to-Head

Bigger by revenue
SLG
SLG
1.2× larger
SLG
$276.5M
$225.0M
ROCK
Growing faster (revenue YoY)
ROCK
ROCK
+12.5% gap
ROCK
24.9%
12.4%
SLG
Faster 2-yr revenue CAGR
SLG
SLG
Annualised
SLG
21.3%
-12.3%
ROCK

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ROCK
ROCK
SLG
SLG
Revenue
$225.0M
$276.5M
Net Profit
$-100.8M
Gross Margin
25.3%
Operating Margin
7.9%
64.2%
Net Margin
-36.5%
Revenue YoY
24.9%
12.4%
Net Profit YoY
-870.0%
EPS (diluted)
$-1.49

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
ROCK
ROCK
SLG
SLG
Q4 25
$225.0M
$276.5M
Q3 25
$310.9M
$244.8M
Q2 25
$309.5M
$241.9M
Q1 25
$290.0M
$239.8M
Q4 24
$180.1M
$245.9M
Q3 24
$277.1M
$229.7M
Q2 24
$273.6M
$222.8M
Q1 24
$292.5M
$187.9M
Net Profit
ROCK
ROCK
SLG
SLG
Q4 25
$-100.8M
Q3 25
$-89.1M
$28.6M
Q2 25
$26.0M
$-7.4M
Q1 25
$21.1M
$-17.3M
Q4 24
$19.1M
Q3 24
$34.0M
$-9.5M
Q2 24
$32.2M
$1.6M
Q1 24
$24.9M
$16.9M
Gross Margin
ROCK
ROCK
SLG
SLG
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%
Q1 24
28.9%
Operating Margin
ROCK
ROCK
SLG
SLG
Q4 25
7.9%
64.2%
Q3 25
12.8%
85.5%
Q2 25
12.8%
53.4%
Q1 25
8.8%
56.7%
Q4 24
13.3%
59.8%
Q3 24
15.6%
65.1%
Q2 24
14.9%
79.2%
Q1 24
10.8%
Net Margin
ROCK
ROCK
SLG
SLG
Q4 25
-36.5%
Q3 25
-28.6%
11.7%
Q2 25
8.4%
-3.0%
Q1 25
7.3%
-7.2%
Q4 24
7.8%
Q3 24
12.3%
-4.2%
Q2 24
11.8%
0.7%
Q1 24
8.5%
9.0%
EPS (diluted)
ROCK
ROCK
SLG
SLG
Q4 25
$-1.49
Q3 25
$-2.98
$0.34
Q2 25
$0.87
$-0.16
Q1 25
$-0.30
Q4 24
$0.13
Q3 24
$1.11
$-0.21
Q2 24
$1.05
$-0.04
Q1 24
$0.20

Balance Sheet & Financial Strength

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

Metric
ROCK
ROCK
SLG
SLG
Cash + ST InvestmentsLiquidity on hand
$115.7M
$155.7M
Total DebtLower is stronger
$0
Stockholders' EquityBook value
$950.4M
$3.7B
Total Assets
$1.4B
$11.1B
Debt / EquityLower = less leverage
0.00×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ROCK
ROCK
SLG
SLG
Q4 25
$115.7M
$155.7M
Q3 25
$89.4M
$187.0M
Q2 25
$43.3M
$182.9M
Q1 25
$25.1M
$180.1M
Q4 24
$269.5M
$184.3M
Q3 24
$228.9M
$188.2M
Q2 24
$179.1M
$199.5M
Q1 24
$146.7M
$196.0M
Total Debt
ROCK
ROCK
SLG
SLG
Q4 25
$0
Q3 25
$0
Q2 25
$0
Q1 25
$0
Q4 24
$0
Q3 24
$0
Q2 24
$0
Q1 24
$0
Stockholders' Equity
ROCK
ROCK
SLG
SLG
Q4 25
$950.4M
$3.7B
Q3 25
$951.8M
$3.8B
Q2 25
$1.0B
$3.8B
Q1 25
$1.0B
$3.8B
Q4 24
$1.0B
$4.0B
Q3 24
$1.0B
$3.6B
Q2 24
$975.7M
$3.7B
Q1 24
$940.2M
$3.7B
Total Assets
ROCK
ROCK
SLG
SLG
Q4 25
$1.4B
$11.1B
Q3 25
$1.4B
$11.1B
Q2 25
$1.5B
$11.3B
Q1 25
$1.4B
$11.4B
Q4 24
$1.4B
$10.5B
Q3 24
$1.4B
$10.2B
Q2 24
$1.4B
$9.5B
Q1 24
$1.3B
$9.8B
Debt / Equity
ROCK
ROCK
SLG
SLG
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×
Q1 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
ROCK
ROCK
SLG
SLG
Operating Cash FlowLast quarter
$35.5M
$82.9M
Free Cash FlowOCF − Capex
$26.2M
FCF MarginFCF / Revenue
11.7%
Capex IntensityCapex / Revenue
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
ROCK
ROCK
SLG
SLG
Q4 25
$35.5M
$82.9M
Q3 25
$73.0M
$-6.8M
Q2 25
$44.9M
$54.5M
Q1 25
$13.7M
$6.7M
Q4 24
$19.9M
$129.6M
Q3 24
$64.7M
$16.7M
Q2 24
$36.5M
$79.4M
Q1 24
$53.2M
$-24.7M
Free Cash Flow
ROCK
ROCK
SLG
SLG
Q4 25
$26.2M
Q3 25
$64.8M
Q2 25
$27.3M
Q1 25
$2.3M
Q4 24
$14.1M
Q3 24
$60.5M
Q2 24
$33.5M
Q1 24
$48.8M
FCF Margin
ROCK
ROCK
SLG
SLG
Q4 25
11.7%
Q3 25
20.8%
Q2 25
8.8%
Q1 25
0.8%
Q4 24
7.8%
Q3 24
21.8%
Q2 24
12.2%
Q1 24
16.7%
Capex Intensity
ROCK
ROCK
SLG
SLG
Q4 25
4.1%
Q3 25
2.6%
Q2 25
5.7%
Q1 25
3.9%
Q4 24
3.3%
Q3 24
1.5%
Q2 24
1.1%
Q1 24
1.5%
Cash Conversion
ROCK
ROCK
SLG
SLG
Q4 25
Q3 25
-0.24×
Q2 25
1.73×
Q1 25
0.65×
Q4 24
6.77×
Q3 24
1.90×
Q2 24
1.13×
50.33×
Q1 24
2.13×
-1.46×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ROCK
ROCK

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

SLG
SLG

Real Estate Segment$223.1M81%
Other$35.9M13%
Debt And Preferred Equity Segment$17.4M6%

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