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Side-by-side financial comparison of CECO ENVIRONMENTAL CORP (CECO) and Duolingo, Inc. (DUOL). Click either name above to swap in a different company.

Duolingo, Inc. is the larger business by last-quarter revenue ($295.5M vs $205.9M, roughly 1.4× CECO ENVIRONMENTAL CORP). On growth, Duolingo, Inc. posted the faster year-over-year revenue change (27.0% vs 16.5%). Over the past eight quarters, Duolingo, Inc.'s revenue compounded faster (28.7% CAGR vs 22.4%).

CECO Environmental Corp. is an American industrial technology company founded in 1966 and headquartered in Dallas, Texas. It is publicly traded on the Nasdaq Stock Market under the ticker symbol CECO. The company provides air pollution control technology, products, and services for industrial markets, including manufacturing, chemical processing, energy, and refining.

Duolingo, Inc. is a leading global edtech firm operating a gamified language learning platform. It offers free and premium self-paced courses for over 40 languages, plus language certification, math learning tools, and literacy programs, serving individual learners, schools and corporate clients worldwide.

CECO vs DUOL — Head-to-Head

Bigger by revenue
DUOL
DUOL
1.4× larger
DUOL
$295.5M
$205.9M
CECO
Growing faster (revenue YoY)
DUOL
DUOL
+10.5% gap
DUOL
27.0%
16.5%
CECO
Faster 2-yr revenue CAGR
DUOL
DUOL
Annualised
DUOL
28.7%
22.4%
CECO

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
CECO
CECO
DUOL
DUOL
Revenue
$205.9M
$295.5M
Net Profit
$35.1M
Gross Margin
31.0%
55.5%
Operating Margin
0.9%
8.0%
Net Margin
11.9%
Revenue YoY
16.5%
27.0%
Net Profit YoY
24.0%
EPS (diluted)
$0.98
$0.72

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
CECO
CECO
DUOL
DUOL
Q1 26
$205.9M
$295.5M
Q4 25
$214.7M
$282.9M
Q3 25
$197.6M
$271.7M
Q2 25
$185.4M
$252.3M
Q1 25
$176.7M
$230.7M
Q4 24
$158.6M
$209.6M
Q3 24
$135.5M
$192.6M
Q2 24
$137.5M
$178.3M
Net Profit
CECO
CECO
DUOL
DUOL
Q1 26
$35.1M
Q4 25
$3.1M
$42.0M
Q3 25
$1.5M
$292.2M
Q2 25
$9.5M
$44.8M
Q1 25
$36.0M
$35.1M
Q4 24
$4.9M
$13.9M
Q3 24
$2.1M
$23.4M
Q2 24
$4.5M
$24.4M
Gross Margin
CECO
CECO
DUOL
DUOL
Q1 26
31.0%
55.5%
Q4 25
35.1%
72.8%
Q3 25
32.7%
72.5%
Q2 25
36.2%
72.4%
Q1 25
35.2%
71.1%
Q4 24
35.8%
71.9%
Q3 24
33.4%
72.9%
Q2 24
35.7%
73.4%
Operating Margin
CECO
CECO
DUOL
DUOL
Q1 26
0.9%
8.0%
Q4 25
7.7%
15.4%
Q3 25
4.8%
12.9%
Q2 25
9.7%
13.2%
Q1 25
35.0%
10.2%
Q4 24
7.1%
6.6%
Q3 24
5.3%
7.0%
Q2 24
6.7%
10.5%
Net Margin
CECO
CECO
DUOL
DUOL
Q1 26
11.9%
Q4 25
1.4%
14.8%
Q3 25
0.8%
107.5%
Q2 25
5.1%
17.8%
Q1 25
20.4%
15.2%
Q4 24
3.1%
6.6%
Q3 24
1.5%
12.1%
Q2 24
3.3%
13.7%
EPS (diluted)
CECO
CECO
DUOL
DUOL
Q1 26
$0.98
$0.72
Q4 25
$0.09
$0.99
Q3 25
$0.04
$5.95
Q2 25
$0.26
$0.91
Q1 25
$0.98
$0.72
Q4 24
$0.14
$0.31
Q3 24
$0.06
$0.49
Q2 24
$0.12
$0.51

Balance Sheet & Financial Strength

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

Metric
CECO
CECO
DUOL
DUOL
Cash + ST InvestmentsLiquidity on hand
$45.4M
$1.1B
Total DebtLower is stronger
$5.3M
Stockholders' EquityBook value
$317.2M
$1.3B
Total Assets
$1.0B
$2.0B
Debt / EquityLower = less leverage
0.02×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CECO
CECO
DUOL
DUOL
Q1 26
$45.4M
$1.1B
Q4 25
$33.1M
$1.0B
Q3 25
$32.8M
$1.0B
Q2 25
$36.8M
$976.2M
Q1 25
$146.5M
$884.0M
Q4 24
$37.8M
$785.8M
Q3 24
$38.7M
$854.4M
Q2 24
$36.5M
$888.2M
Total Debt
CECO
CECO
DUOL
DUOL
Q1 26
$5.3M
Q4 25
$212.4M
Q3 25
$220.9M
Q2 25
$238.7M
Q1 25
$339.7M
Q4 24
$218.9M
Q3 24
$133.4M
Q2 24
$130.8M
Stockholders' Equity
CECO
CECO
DUOL
DUOL
Q1 26
$317.2M
$1.3B
Q4 25
$317.5M
$1.3B
Q3 25
$309.2M
$1.3B
Q2 25
$298.4M
$977.0M
Q1 25
$285.8M
$893.8M
Q4 24
$247.7M
$824.5M
Q3 24
$241.3M
$822.5M
Q2 24
$235.0M
$766.9M
Total Assets
CECO
CECO
DUOL
DUOL
Q1 26
$1.0B
$2.0B
Q4 25
$893.8M
$2.0B
Q3 25
$891.9M
$1.9B
Q2 25
$876.6M
$1.5B
Q1 25
$957.1M
$1.4B
Q4 24
$759.7M
$1.3B
Q3 24
$621.5M
$1.2B
Q2 24
$598.1M
$1.1B
Debt / Equity
CECO
CECO
DUOL
DUOL
Q1 26
0.02×
Q4 25
0.67×
Q3 25
0.71×
Q2 25
0.80×
Q1 25
1.19×
Q4 24
0.88×
Q3 24
0.55×
Q2 24
0.56×

Cash Flow & Capital Efficiency

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

Metric
CECO
CECO
DUOL
DUOL
Operating Cash FlowLast quarter
$105.6M
Free Cash FlowOCF − Capex
$103.0M
FCF MarginFCF / Revenue
34.9%
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
3.01×
TTM Free Cash FlowTrailing 4 quarters
$368.4M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CECO
CECO
DUOL
DUOL
Q1 26
$105.6M
Q4 25
$10.0M
$107.3M
Q3 25
$15.3M
$84.2M
Q2 25
$-7.7M
$90.7M
Q1 25
$-11.7M
$105.6M
Q4 24
$1.8M
$83.3M
Q3 24
$15.1M
$56.3M
Q2 24
$6.7M
$62.4M
Free Cash Flow
CECO
CECO
DUOL
DUOL
Q1 26
$103.0M
Q4 25
$7.3M
$96.6M
Q3 25
$11.0M
$79.4M
Q2 25
$-8.7M
$89.5M
Q1 25
$-15.1M
$104.3M
Q4 24
$-4.3M
$81.4M
Q3 24
$11.1M
$53.1M
Q2 24
$2.5M
$56.8M
FCF Margin
CECO
CECO
DUOL
DUOL
Q1 26
34.9%
Q4 25
3.4%
34.1%
Q3 25
5.6%
29.2%
Q2 25
-4.7%
35.5%
Q1 25
-8.5%
45.2%
Q4 24
-2.7%
38.8%
Q3 24
8.2%
27.6%
Q2 24
1.9%
31.9%
Capex Intensity
CECO
CECO
DUOL
DUOL
Q1 26
Q4 25
1.2%
3.8%
Q3 25
2.1%
1.8%
Q2 25
0.6%
0.5%
Q1 25
1.9%
0.6%
Q4 24
3.9%
0.9%
Q3 24
3.0%
1.7%
Q2 24
3.0%
3.1%
Cash Conversion
CECO
CECO
DUOL
DUOL
Q1 26
3.01×
Q4 25
3.26×
2.56×
Q3 25
10.18×
0.29×
Q2 25
-0.81×
2.02×
Q1 25
-0.33×
3.01×
Q4 24
0.37×
5.99×
Q3 24
7.24×
2.41×
Q2 24
1.49×
2.56×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CECO
CECO

Segment breakdown not available.

DUOL
DUOL

Bookings$283.5M96%
Other$12.0M4%

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