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Side-by-side financial comparison of SPIRE INC (SR) and WATTS WATER TECHNOLOGIES INC (WTS). Click either name above to swap in a different company.

SPIRE INC is the larger business by last-quarter revenue ($762.2M vs $625.1M, roughly 1.2× WATTS WATER TECHNOLOGIES INC). WATTS WATER TECHNOLOGIES INC runs the higher net margin — 13.4% vs 12.5%, a 0.9% gap on every dollar of revenue. On growth, WATTS WATER TECHNOLOGIES INC posted the faster year-over-year revenue change (15.7% vs 13.9%). WATTS WATER TECHNOLOGIES INC produced more free cash flow last quarter ($140.3M vs $-121.8M). Over the past eight quarters, WATTS WATER TECHNOLOGIES INC's revenue compounded faster (4.6% CAGR vs -17.8%).

Spire Inc. is a regional public utility holding company based in St. Louis, Missouri, providing natural gas service through its regulated core utility operations while engaging in non-regulated activities that provide business opportunities. Its primary subsidiary Laclede Gas Company is the largest natural gas distribution utility in Missouri, serving approximately 631,000 residential, commercial and industrial customers in the City of St. Louis and ten counties in eastern Missouri. Its corpo...

AERCO International, Inc. is a manufacturer and supplier of commercial condensing boilers, high efficiency water heating equipment and energy recovery systems in the HVAC/plumbing industry across a variety of markets including education, lodging, government, office buildings, healthcare, industrial and multifamily housing. In 1949, AERCO introduced the industry's first semi-instantaneous, tankless steam-to-water water heater. In 1988, AERCO introduced the first condensing and fully modulating...

SR vs WTS — Head-to-Head

Bigger by revenue
SR
SR
1.2× larger
SR
$762.2M
$625.1M
WTS
Growing faster (revenue YoY)
WTS
WTS
+1.8% gap
WTS
15.7%
13.9%
SR
Higher net margin
WTS
WTS
0.9% more per $
WTS
13.4%
12.5%
SR
More free cash flow
WTS
WTS
$262.1M more FCF
WTS
$140.3M
$-121.8M
SR
Faster 2-yr revenue CAGR
WTS
WTS
Annualised
WTS
4.6%
-17.8%
SR

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
SR
SR
WTS
WTS
Revenue
$762.2M
$625.1M
Net Profit
$95.0M
$83.7M
Gross Margin
55.1%
49.5%
Operating Margin
22.8%
18.2%
Net Margin
12.5%
13.4%
Revenue YoY
13.9%
15.7%
Net Profit YoY
16.9%
24.0%
EPS (diluted)
$1.54
$2.50

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
SR
SR
WTS
WTS
Q4 25
$762.2M
$625.1M
Q3 25
$334.1M
$611.7M
Q2 25
$421.9M
$643.7M
Q1 25
$1.1B
$558.0M
Q4 24
$669.1M
$540.4M
Q3 24
$293.8M
$543.6M
Q2 24
$414.1M
$597.3M
Q1 24
$1.1B
$570.9M
Net Profit
SR
SR
WTS
WTS
Q4 25
$95.0M
$83.7M
Q3 25
$-39.8M
$82.2M
Q2 25
$20.9M
$100.9M
Q1 25
$209.3M
$74.0M
Q4 24
$81.3M
$67.5M
Q3 24
$-25.9M
$69.1M
Q2 24
$-12.6M
$82.0M
Q1 24
$204.3M
$72.6M
Gross Margin
SR
SR
WTS
WTS
Q4 25
55.1%
49.5%
Q3 25
48.8%
Q2 25
50.6%
Q1 25
48.8%
Q4 24
55.6%
46.7%
Q3 24
47.3%
Q2 24
47.7%
Q1 24
46.9%
Operating Margin
SR
SR
WTS
WTS
Q4 25
22.8%
18.2%
Q3 25
-0.1%
18.2%
Q2 25
16.4%
21.0%
Q1 25
29.1%
15.7%
Q4 24
22.2%
16.5%
Q3 24
6.7%
17.1%
Q2 24
7.4%
18.7%
Q1 24
26.5%
16.9%
Net Margin
SR
SR
WTS
WTS
Q4 25
12.5%
13.4%
Q3 25
-11.9%
13.4%
Q2 25
5.0%
15.7%
Q1 25
19.9%
13.3%
Q4 24
12.2%
12.5%
Q3 24
-8.8%
12.7%
Q2 24
-3.0%
13.7%
Q1 24
18.1%
12.7%
EPS (diluted)
SR
SR
WTS
WTS
Q4 25
$1.54
$2.50
Q3 25
$-0.77
$2.45
Q2 25
$0.29
$3.01
Q1 25
$3.51
$2.21
Q4 24
$1.34
$2.02
Q3 24
$-0.63
$2.06
Q2 24
$-0.28
$2.44
Q1 24
$3.58
$2.17

Balance Sheet & Financial Strength

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

Metric
SR
SR
WTS
WTS
Cash + ST InvestmentsLiquidity on hand
$4.1M
$405.5M
Total DebtLower is stronger
Stockholders' EquityBook value
$3.4B
$2.0B
Total Assets
$11.9B
$2.9B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
SR
SR
WTS
WTS
Q4 25
$4.1M
$405.5M
Q3 25
$5.7M
$457.7M
Q2 25
$13.1M
$369.3M
Q1 25
$15.2M
$336.8M
Q4 24
$11.5M
$386.9M
Q3 24
$4.5M
$303.9M
Q2 24
$7.4M
$279.4M
Q1 24
$25.6M
$237.1M
Stockholders' Equity
SR
SR
WTS
WTS
Q4 25
$3.4B
$2.0B
Q3 25
$3.4B
$2.0B
Q2 25
$3.5B
$1.9B
Q1 25
$3.5B
$1.8B
Q4 24
$3.3B
$1.7B
Q3 24
$3.2B
$1.7B
Q2 24
$3.3B
$1.6B
Q1 24
$3.4B
$1.6B
Total Assets
SR
SR
WTS
WTS
Q4 25
$11.9B
$2.9B
Q3 25
$11.6B
$2.7B
Q2 25
$11.4B
$2.6B
Q1 25
$11.3B
$2.5B
Q4 24
$11.3B
$2.4B
Q3 24
$10.9B
$2.4B
Q2 24
$10.7B
$2.4B
Q1 24
$10.7B
$2.3B

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
SR
SR
WTS
WTS
Operating Cash FlowLast quarter
$81.0M
$154.7M
Free Cash FlowOCF − Capex
$-121.8M
$140.3M
FCF MarginFCF / Revenue
-16.0%
22.4%
Capex IntensityCapex / Revenue
26.6%
2.3%
Cash ConversionOCF / Net Profit
0.85×
1.85×
TTM Free Cash FlowTrailing 4 quarters
$-286.7M
$356.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
SR
SR
WTS
WTS
Q4 25
$81.0M
$154.7M
Q3 25
$-4.9M
$122.4M
Q2 25
$129.1M
$69.7M
Q1 25
$372.7M
$55.2M
Q4 24
$81.1M
$139.5M
Q3 24
$82.9M
$90.7M
Q2 24
$270.1M
$85.3M
Q1 24
$489.4M
$45.6M
Free Cash Flow
SR
SR
WTS
WTS
Q4 25
$-121.8M
$140.3M
Q3 25
$-227.6M
$110.9M
Q2 25
$-91.4M
$59.5M
Q1 25
$154.1M
$45.6M
Q4 24
$-179.5M
$127.5M
Q3 24
$-146.9M
$84.3M
Q2 24
$47.9M
$78.5M
Q1 24
$306.6M
$35.5M
FCF Margin
SR
SR
WTS
WTS
Q4 25
-16.0%
22.4%
Q3 25
-68.1%
18.1%
Q2 25
-21.7%
9.2%
Q1 25
14.7%
8.2%
Q4 24
-26.8%
23.6%
Q3 24
-50.0%
15.5%
Q2 24
11.6%
13.1%
Q1 24
27.2%
6.2%
Capex Intensity
SR
SR
WTS
WTS
Q4 25
26.6%
2.3%
Q3 25
66.7%
1.9%
Q2 25
52.3%
1.6%
Q1 25
20.8%
1.7%
Q4 24
38.9%
2.2%
Q3 24
78.2%
1.2%
Q2 24
53.7%
1.1%
Q1 24
16.2%
1.8%
Cash Conversion
SR
SR
WTS
WTS
Q4 25
0.85×
1.85×
Q3 25
1.49×
Q2 25
6.18×
0.69×
Q1 25
1.78×
0.75×
Q4 24
1.00×
2.07×
Q3 24
1.31×
Q2 24
1.04×
Q1 24
2.40×
0.63×

Financial Flow Comparison

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

Revenue Breakdown by Segment

SR
SR

Residential$474.9M62%
Commercial And Industrial$148.4M19%
Gas Marketing$41.1M5%
Midstream$39.0M5%
Transportation$37.1M5%
Offsystem And Other Inventive$19.7M3%
Other Customer Revenue$4.6M1%

WTS
WTS

Segment breakdown not available.

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