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Side-by-side financial comparison of Holley Inc. (HLLY) 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 $155.4M, roughly 1.4× Holley Inc.). On growth, GIBRALTAR INDUSTRIES, INC. posted the faster year-over-year revenue change (24.9% vs 11.0%). GIBRALTAR INDUSTRIES, INC. produced more free cash flow last quarter ($26.2M vs $3.8M). Over the past eight quarters, Holley Inc.'s revenue compounded faster (-1.0% CAGR vs -12.3%).

Holley Performance Products is an automotive performance company based in Bowling Green, Kentucky. It was founded in 1896 in Bradford, Pennsylvania, by George Holley and Earl Holley. When the company was based in Michigan it was a major producer of carburetors for many Detroit-built automobiles.

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.

HLLY vs ROCK — Head-to-Head

Bigger by revenue
ROCK
ROCK
1.4× larger
ROCK
$225.0M
$155.4M
HLLY
Growing faster (revenue YoY)
ROCK
ROCK
+14.0% gap
ROCK
24.9%
11.0%
HLLY
More free cash flow
ROCK
ROCK
$22.4M more FCF
ROCK
$26.2M
$3.8M
HLLY
Faster 2-yr revenue CAGR
HLLY
HLLY
Annualised
HLLY
-1.0%
-12.3%
ROCK

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
HLLY
HLLY
ROCK
ROCK
Revenue
$155.4M
$225.0M
Net Profit
$6.3M
Gross Margin
46.8%
25.3%
Operating Margin
12.7%
7.9%
Net Margin
4.1%
Revenue YoY
11.0%
24.9%
Net Profit YoY
116.7%
EPS (diluted)
$0.06

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
HLLY
HLLY
ROCK
ROCK
Q4 25
$155.4M
$225.0M
Q3 25
$138.4M
$310.9M
Q2 25
$166.7M
$309.5M
Q1 25
$153.0M
$290.0M
Q4 24
$140.1M
$180.1M
Q3 24
$134.0M
$277.1M
Q2 24
$169.5M
$273.6M
Q1 24
$158.6M
$292.5M
Net Profit
HLLY
HLLY
ROCK
ROCK
Q4 25
$6.3M
Q3 25
$-806.0K
$-89.1M
Q2 25
$10.9M
$26.0M
Q1 25
$2.8M
$21.1M
Q4 24
$-37.8M
Q3 24
$-6.3M
$34.0M
Q2 24
$17.1M
$32.2M
Q1 24
$3.7M
$24.9M
Gross Margin
HLLY
HLLY
ROCK
ROCK
Q4 25
46.8%
25.3%
Q3 25
43.2%
26.6%
Q2 25
41.7%
28.4%
Q1 25
41.9%
26.8%
Q4 24
45.6%
29.0%
Q3 24
39.0%
29.4%
Q2 24
41.5%
30.5%
Q1 24
32.8%
28.9%
Operating Margin
HLLY
HLLY
ROCK
ROCK
Q4 25
12.7%
7.9%
Q3 25
11.5%
12.8%
Q2 25
16.5%
12.8%
Q1 25
12.6%
8.8%
Q4 24
-20.7%
13.3%
Q3 24
4.2%
15.6%
Q2 24
16.4%
14.9%
Q1 24
6.4%
10.8%
Net Margin
HLLY
HLLY
ROCK
ROCK
Q4 25
4.1%
Q3 25
-0.6%
-28.6%
Q2 25
6.5%
8.4%
Q1 25
1.8%
7.3%
Q4 24
-27.0%
Q3 24
-4.7%
12.3%
Q2 24
10.1%
11.8%
Q1 24
2.4%
8.5%
EPS (diluted)
HLLY
HLLY
ROCK
ROCK
Q4 25
$0.06
Q3 25
$-0.01
$-2.98
Q2 25
$0.09
$0.87
Q1 25
$0.02
Q4 24
$-0.32
Q3 24
$-0.05
$1.11
Q2 24
$0.14
$1.05
Q1 24
$0.03

Balance Sheet & Financial Strength

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

Metric
HLLY
HLLY
ROCK
ROCK
Cash + ST InvestmentsLiquidity on hand
$37.2M
$115.7M
Total DebtLower is stronger
$516.1M
$0
Stockholders' EquityBook value
$448.9M
$950.4M
Total Assets
$1.2B
$1.4B
Debt / EquityLower = less leverage
1.15×
0.00×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
HLLY
HLLY
ROCK
ROCK
Q4 25
$37.2M
$115.7M
Q3 25
$50.7M
$89.4M
Q2 25
$63.8M
$43.3M
Q1 25
$39.1M
$25.1M
Q4 24
$56.1M
$269.5M
Q3 24
$50.8M
$228.9M
Q2 24
$53.1M
$179.1M
Q1 24
$41.1M
$146.7M
Total Debt
HLLY
HLLY
ROCK
ROCK
Q4 25
$516.1M
$0
Q3 25
$528.9M
$0
Q2 25
$543.3M
$0
Q1 25
$551.3M
$0
Q4 24
$545.4M
$0
Q3 24
$556.4M
$0
Q2 24
$556.1M
$0
Q1 24
$567.6M
$0
Stockholders' Equity
HLLY
HLLY
ROCK
ROCK
Q4 25
$448.9M
$950.4M
Q3 25
$439.7M
$951.8M
Q2 25
$437.8M
$1.0B
Q1 25
$424.6M
$1.0B
Q4 24
$421.2M
$1.0B
Q3 24
$458.7M
$1.0B
Q2 24
$463.2M
$975.7M
Q1 24
$444.9M
$940.2M
Total Assets
HLLY
HLLY
ROCK
ROCK
Q4 25
$1.2B
$1.4B
Q3 25
$1.2B
$1.4B
Q2 25
$1.2B
$1.5B
Q1 25
$1.1B
$1.4B
Q4 24
$1.1B
$1.4B
Q3 24
$1.2B
$1.4B
Q2 24
$1.2B
$1.4B
Q1 24
$1.2B
$1.3B
Debt / Equity
HLLY
HLLY
ROCK
ROCK
Q4 25
1.15×
0.00×
Q3 25
1.20×
0.00×
Q2 25
1.24×
0.00×
Q1 25
1.30×
0.00×
Q4 24
1.29×
0.00×
Q3 24
1.21×
0.00×
Q2 24
1.20×
0.00×
Q1 24
1.28×
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
HLLY
HLLY
ROCK
ROCK
Operating Cash FlowLast quarter
$6.2M
$35.5M
Free Cash FlowOCF − Capex
$3.8M
$26.2M
FCF MarginFCF / Revenue
2.4%
11.7%
Capex IntensityCapex / Revenue
1.5%
4.1%
Cash ConversionOCF / Net Profit
0.98×
TTM Free Cash FlowTrailing 4 quarters
$33.9M
$120.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
HLLY
HLLY
ROCK
ROCK
Q4 25
$6.2M
$35.5M
Q3 25
$7.4M
$73.0M
Q2 25
$40.5M
$44.9M
Q1 25
$-7.8M
$13.7M
Q4 24
$4.1M
$19.9M
Q3 24
$-1.7M
$64.7M
Q2 24
$25.7M
$36.5M
Q1 24
$18.8M
$53.2M
Free Cash Flow
HLLY
HLLY
ROCK
ROCK
Q4 25
$3.8M
$26.2M
Q3 25
$5.3M
$64.8M
Q2 25
$35.7M
$27.3M
Q1 25
$-10.8M
$2.3M
Q4 24
$1.7M
$14.1M
Q3 24
$-3.5M
$60.5M
Q2 24
$24.3M
$33.5M
Q1 24
$17.6M
$48.8M
FCF Margin
HLLY
HLLY
ROCK
ROCK
Q4 25
2.4%
11.7%
Q3 25
3.8%
20.8%
Q2 25
21.4%
8.8%
Q1 25
-7.1%
0.8%
Q4 24
1.2%
7.8%
Q3 24
-2.6%
21.8%
Q2 24
14.3%
12.2%
Q1 24
11.1%
16.7%
Capex Intensity
HLLY
HLLY
ROCK
ROCK
Q4 25
1.5%
4.1%
Q3 25
1.6%
2.6%
Q2 25
2.9%
5.7%
Q1 25
1.9%
3.9%
Q4 24
1.7%
3.3%
Q3 24
1.3%
1.5%
Q2 24
0.8%
1.1%
Q1 24
0.8%
1.5%
Cash Conversion
HLLY
HLLY
ROCK
ROCK
Q4 25
0.98×
Q3 25
Q2 25
3.73×
1.73×
Q1 25
-2.79×
0.65×
Q4 24
Q3 24
1.90×
Q2 24
1.50×
1.13×
Q1 24
5.05×
2.13×

Financial Flow Comparison

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

Revenue Breakdown by Segment

HLLY
HLLY

Truck Off Road$125.5M81%
Euro Import$29.9M19%

ROCK
ROCK

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

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