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Side-by-side financial comparison of Otter Tail Corp (OTTR) and GIBRALTAR INDUSTRIES, INC. (ROCK). Click either name above to swap in a different company.

Otter Tail Corp is the larger business by last-quarter revenue ($308.1M vs $225.0M, roughly 1.4× GIBRALTAR INDUSTRIES, INC.). On growth, GIBRALTAR INDUSTRIES, INC. posted the faster year-over-year revenue change (24.9% vs 1.6%). GIBRALTAR INDUSTRIES, INC. produced more free cash flow last quarter ($26.2M vs $22.3M). Over the past eight quarters, Otter Tail Corp's revenue compounded faster (-5.8% CAGR vs -12.3%).

Otter Tail Corporation is an electric power and manufacturing company based in Fergus Falls, Minnesota. Its subsidiaries include Otter Tail Power Company, BTD Manufacturing Inc., T.O. Plastics Inc., Northern Pipe Products Inc., and Vinyltech Corporation.

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.

OTTR vs ROCK — Head-to-Head

Bigger by revenue
OTTR
OTTR
1.4× larger
OTTR
$308.1M
$225.0M
ROCK
Growing faster (revenue YoY)
ROCK
ROCK
+23.3% gap
ROCK
24.9%
1.6%
OTTR
More free cash flow
ROCK
ROCK
$3.9M more FCF
ROCK
$26.2M
$22.3M
OTTR
Faster 2-yr revenue CAGR
OTTR
OTTR
Annualised
OTTR
-5.8%
-12.3%
ROCK

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
OTTR
OTTR
ROCK
ROCK
Revenue
$308.1M
$225.0M
Net Profit
$51.8M
Gross Margin
25.3%
Operating Margin
21.9%
7.9%
Net Margin
16.8%
Revenue YoY
1.6%
24.9%
Net Profit YoY
-5.6%
EPS (diluted)
$1.22

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
OTTR
OTTR
ROCK
ROCK
Q4 25
$308.1M
$225.0M
Q3 25
$325.6M
$310.9M
Q2 25
$333.0M
$309.5M
Q1 25
$337.4M
$290.0M
Q4 24
$303.1M
$180.1M
Q3 24
$338.0M
$277.1M
Q2 24
$342.3M
$273.6M
Q1 24
$347.1M
$292.5M
Net Profit
OTTR
OTTR
ROCK
ROCK
Q4 25
$51.8M
Q3 25
$78.3M
$-89.1M
Q2 25
$77.7M
$26.0M
Q1 25
$68.1M
$21.1M
Q4 24
$54.9M
Q3 24
$85.5M
$34.0M
Q2 24
$87.0M
$32.2M
Q1 24
$74.3M
$24.9M
Gross Margin
OTTR
OTTR
ROCK
ROCK
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
OTTR
OTTR
ROCK
ROCK
Q4 25
21.9%
7.9%
Q3 25
29.7%
12.8%
Q2 25
29.3%
12.8%
Q1 25
24.9%
8.8%
Q4 24
22.0%
13.3%
Q3 24
31.8%
15.6%
Q2 24
32.4%
14.9%
Q1 24
27.4%
10.8%
Net Margin
OTTR
OTTR
ROCK
ROCK
Q4 25
16.8%
Q3 25
24.0%
-28.6%
Q2 25
23.3%
8.4%
Q1 25
20.2%
7.3%
Q4 24
18.1%
Q3 24
25.3%
12.3%
Q2 24
25.4%
11.8%
Q1 24
21.4%
8.5%
EPS (diluted)
OTTR
OTTR
ROCK
ROCK
Q4 25
$1.22
Q3 25
$1.86
$-2.98
Q2 25
$1.85
$0.87
Q1 25
$1.62
Q4 24
$1.30
Q3 24
$2.03
$1.11
Q2 24
$2.07
$1.05
Q1 24
$1.77

Balance Sheet & Financial Strength

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

Metric
OTTR
OTTR
ROCK
ROCK
Cash + ST InvestmentsLiquidity on hand
$440.5M
$115.7M
Total DebtLower is stronger
$963.6M
$0
Stockholders' EquityBook value
$1.9B
$950.4M
Total Assets
$4.0B
$1.4B
Debt / EquityLower = less leverage
0.52×
0.00×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
OTTR
OTTR
ROCK
ROCK
Q4 25
$440.5M
$115.7M
Q3 25
$379.7M
$89.4M
Q2 25
$307.2M
$43.3M
Q1 25
$284.8M
$25.1M
Q4 24
$295.4M
$269.5M
Q3 24
$280.0M
$228.9M
Q2 24
$230.7M
$179.1M
Q1 24
$238.2M
$146.7M
Total Debt
OTTR
OTTR
ROCK
ROCK
Q4 25
$963.6M
$0
Q3 25
$1.0B
$0
Q2 25
$1.0B
$0
Q1 25
$993.5M
$0
Q4 24
$943.7M
$0
Q3 24
$947.0M
$0
Q2 24
$947.0M
$0
Q1 24
$947.0M
$0
Stockholders' Equity
OTTR
OTTR
ROCK
ROCK
Q4 25
$1.9B
$950.4M
Q3 25
$1.8B
$951.8M
Q2 25
$1.8B
$1.0B
Q1 25
$1.7B
$1.0B
Q4 24
$1.7B
$1.0B
Q3 24
$1.6B
$1.0B
Q2 24
$1.6B
$975.7M
Q1 24
$1.5B
$940.2M
Total Assets
OTTR
OTTR
ROCK
ROCK
Q4 25
$4.0B
$1.4B
Q3 25
$3.8B
$1.4B
Q2 25
$3.8B
$1.5B
Q1 25
$3.7B
$1.4B
Q4 24
$3.7B
$1.4B
Q3 24
$3.6B
$1.4B
Q2 24
$3.5B
$1.4B
Q1 24
$3.3B
$1.3B
Debt / Equity
OTTR
OTTR
ROCK
ROCK
Q4 25
0.52×
0.00×
Q3 25
0.57×
0.00×
Q2 25
0.59×
0.00×
Q1 25
0.58×
0.00×
Q4 24
0.57×
0.00×
Q3 24
0.58×
0.00×
Q2 24
0.60×
0.00×
Q1 24
0.63×
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
OTTR
OTTR
ROCK
ROCK
Operating Cash FlowLast quarter
$97.0M
$35.5M
Free Cash FlowOCF − Capex
$22.3M
$26.2M
FCF MarginFCF / Revenue
7.2%
11.7%
Capex IntensityCapex / Revenue
24.3%
4.1%
Cash ConversionOCF / Net Profit
1.87×
TTM Free Cash FlowTrailing 4 quarters
$97.9M
$120.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
OTTR
OTTR
ROCK
ROCK
Q4 25
$97.0M
$35.5M
Q3 25
$129.6M
$73.0M
Q2 25
$119.9M
$44.9M
Q1 25
$39.5M
$13.7M
Q4 24
$130.0M
$19.9M
Q3 24
$99.3M
$64.7M
Q2 24
$151.5M
$36.5M
Q1 24
$71.9M
$53.2M
Free Cash Flow
OTTR
OTTR
ROCK
ROCK
Q4 25
$22.3M
$26.2M
Q3 25
$40.5M
$64.8M
Q2 25
$53.7M
$27.3M
Q1 25
$-18.5M
$2.3M
Q4 24
$31.1M
$14.1M
Q3 24
$15.1M
$60.5M
Q2 24
$50.1M
$33.5M
Q1 24
$-2.1M
$48.8M
FCF Margin
OTTR
OTTR
ROCK
ROCK
Q4 25
7.2%
11.7%
Q3 25
12.4%
20.8%
Q2 25
16.1%
8.8%
Q1 25
-5.5%
0.8%
Q4 24
10.2%
7.8%
Q3 24
4.5%
21.8%
Q2 24
14.6%
12.2%
Q1 24
-0.6%
16.7%
Capex Intensity
OTTR
OTTR
ROCK
ROCK
Q4 25
24.3%
4.1%
Q3 25
27.4%
2.6%
Q2 25
19.9%
5.7%
Q1 25
17.2%
3.9%
Q4 24
32.6%
3.3%
Q3 24
24.9%
1.5%
Q2 24
29.6%
1.1%
Q1 24
21.3%
1.5%
Cash Conversion
OTTR
OTTR
ROCK
ROCK
Q4 25
1.87×
Q3 25
1.65×
Q2 25
1.54×
1.73×
Q1 25
0.58×
0.65×
Q4 24
2.37×
Q3 24
1.16×
1.90×
Q2 24
1.74×
1.13×
Q1 24
0.97×
2.13×

Financial Flow Comparison

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

Revenue Breakdown by Segment

OTTR
OTTR

Retail Commercial And Industrial$91.0M30%
Plastics$81.2M26%
Manufacturing$77.2M25%
Retail Residential$35.8M12%
Electric Transmission$14.4M5%
Plastic Products$9.2M3%
Electric Product Other$1.8M1%

ROCK
ROCK

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

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