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Side-by-side financial comparison of NorthWestern Energy Group, Inc. (NWE) and GIBRALTAR INDUSTRIES, INC. (ROCK). Click either name above to swap in a different company.

NorthWestern Energy Group, Inc. is the larger business by last-quarter revenue ($497.6M vs $225.0M, roughly 2.2× GIBRALTAR INDUSTRIES, INC.). On growth, GIBRALTAR INDUSTRIES, INC. posted the faster year-over-year revenue change (24.9% vs 6.6%). Over the past eight quarters, NorthWestern Energy Group, Inc.'s revenue compounded faster (24.7% CAGR vs -12.3%).

NorthWestern Energy Group, Inc. is a utility company that serves South Dakota, Nebraska, and Montana that is based in Sioux Falls. As of 2019, the company serves approximately 718,000 customers. The company's corporate headquarters are located in Sioux Falls while the headquarters for the South Dakota operations are in Huron, South Dakota.

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.

NWE vs ROCK — Head-to-Head

Bigger by revenue
NWE
NWE
2.2× larger
NWE
$497.6M
$225.0M
ROCK
Growing faster (revenue YoY)
ROCK
ROCK
+18.3% gap
ROCK
24.9%
6.6%
NWE
Faster 2-yr revenue CAGR
NWE
NWE
Annualised
NWE
24.7%
-12.3%
ROCK

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
NWE
NWE
ROCK
ROCK
Revenue
$497.6M
$225.0M
Net Profit
$63.5M
Gross Margin
25.3%
Operating Margin
22.9%
7.9%
Net Margin
12.8%
Revenue YoY
6.6%
24.9%
Net Profit YoY
EPS (diluted)

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
NWE
NWE
ROCK
ROCK
Q1 26
$497.6M
Q4 25
$414.3M
$225.0M
Q3 25
$387.0M
$310.9M
Q2 25
$342.7M
$309.5M
Q1 25
$466.6M
$290.0M
Q4 24
$373.5M
$180.1M
Q3 24
$345.2M
$277.1M
Q2 24
$319.9M
$273.6M
Net Profit
NWE
NWE
ROCK
ROCK
Q1 26
$63.5M
Q4 25
$44.7M
Q3 25
$38.2M
$-89.1M
Q2 25
$21.2M
$26.0M
Q1 25
$76.9M
$21.1M
Q4 24
$80.6M
Q3 24
$46.8M
$34.0M
Q2 24
$31.7M
$32.2M
Gross Margin
NWE
NWE
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
NWE
NWE
ROCK
ROCK
Q1 26
22.9%
Q4 25
14.5%
7.9%
Q3 25
20.7%
12.8%
Q2 25
17.7%
12.8%
Q1 25
26.7%
8.8%
Q4 24
24.6%
13.3%
Q3 24
19.7%
15.6%
Q2 24
19.3%
14.9%
Net Margin
NWE
NWE
ROCK
ROCK
Q1 26
12.8%
Q4 25
10.8%
Q3 25
9.9%
-28.6%
Q2 25
6.2%
8.4%
Q1 25
16.5%
7.3%
Q4 24
21.6%
Q3 24
13.6%
12.3%
Q2 24
9.9%
11.8%
EPS (diluted)
NWE
NWE
ROCK
ROCK
Q1 26
Q4 25
$0.72
Q3 25
$0.62
$-2.98
Q2 25
$0.35
$0.87
Q1 25
$1.25
Q4 24
$1.31
Q3 24
$0.76
$1.11
Q2 24
$0.52
$1.05

Balance Sheet & Financial Strength

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

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

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
NWE
NWE
ROCK
ROCK
Q1 26
Q4 25
$8.8M
$115.7M
Q3 25
$6.2M
$89.4M
Q2 25
$2.9M
$43.3M
Q1 25
$56.0M
$25.1M
Q4 24
$4.3M
$269.5M
Q3 24
$2.5M
$228.9M
Q2 24
$6.4M
$179.1M
Total Debt
NWE
NWE
ROCK
ROCK
Q1 26
Q4 25
$3.3B
$0
Q3 25
$0
Q2 25
$0
Q1 25
$0
Q4 24
$3.0B
$0
Q3 24
$0
Q2 24
$0
Stockholders' Equity
NWE
NWE
ROCK
ROCK
Q1 26
Q4 25
$2.9B
$950.4M
Q3 25
$2.9B
$951.8M
Q2 25
$2.9B
$1.0B
Q1 25
$2.9B
$1.0B
Q4 24
$2.9B
$1.0B
Q3 24
$2.8B
$1.0B
Q2 24
$2.8B
$975.7M
Total Assets
NWE
NWE
ROCK
ROCK
Q1 26
Q4 25
$8.5B
$1.4B
Q3 25
$8.3B
$1.4B
Q2 25
$8.1B
$1.5B
Q1 25
$8.1B
$1.4B
Q4 24
$8.0B
$1.4B
Q3 24
$7.9B
$1.4B
Q2 24
$7.7B
$1.4B
Debt / Equity
NWE
NWE
ROCK
ROCK
Q1 26
Q4 25
1.14×
0.00×
Q3 25
0.00×
Q2 25
0.00×
Q1 25
0.00×
Q4 24
1.05×
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
NWE
NWE
ROCK
ROCK
Operating Cash FlowLast quarter
$35.5M
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
NWE
NWE
ROCK
ROCK
Q1 26
Q4 25
$56.2M
$35.5M
Q3 25
$126.7M
$73.0M
Q2 25
$58.2M
$44.9M
Q1 25
$153.4M
$13.7M
Q4 24
$62.8M
$19.9M
Q3 24
$120.0M
$64.7M
Q2 24
$62.3M
$36.5M
Free Cash Flow
NWE
NWE
ROCK
ROCK
Q1 26
Q4 25
$-93.7M
$26.2M
Q3 25
$-26.9M
$64.8M
Q2 25
$-70.6M
$27.3M
Q1 25
$61.3M
$2.3M
Q4 24
$-85.9M
$14.1M
Q3 24
$-33.2M
$60.5M
Q2 24
$-76.3M
$33.5M
FCF Margin
NWE
NWE
ROCK
ROCK
Q1 26
Q4 25
-22.6%
11.7%
Q3 25
-6.9%
20.8%
Q2 25
-20.6%
8.8%
Q1 25
13.1%
0.8%
Q4 24
-23.0%
7.8%
Q3 24
-9.6%
21.8%
Q2 24
-23.9%
12.2%
Capex Intensity
NWE
NWE
ROCK
ROCK
Q1 26
Q4 25
36.2%
4.1%
Q3 25
39.7%
2.6%
Q2 25
37.6%
5.7%
Q1 25
19.7%
3.9%
Q4 24
39.8%
3.3%
Q3 24
44.4%
1.5%
Q2 24
43.3%
1.1%
Cash Conversion
NWE
NWE
ROCK
ROCK
Q1 26
Q4 25
1.26×
Q3 25
3.31×
Q2 25
2.74×
1.73×
Q1 25
1.99×
0.65×
Q4 24
0.78×
Q3 24
2.56×
1.90×
Q2 24
1.97×
1.13×

Financial Flow Comparison

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

Revenue Breakdown by Segment

NWE
NWE

Electric$362.1M73%
Gas$135.5M27%

ROCK
ROCK

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

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