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Side-by-side financial comparison of CHEGG, INC (CHGG) and Energy Recovery, Inc. (ERII). Click either name above to swap in a different company.

CHEGG, INC is the larger business by last-quarter revenue ($72.7M vs $66.9M, roughly 1.1× Energy Recovery, Inc.). On growth, Energy Recovery, Inc. posted the faster year-over-year revenue change (-0.3% vs -49.4%). Energy Recovery, Inc. produced more free cash flow last quarter ($6.4M vs $-15.5M). Over the past eight quarters, Energy Recovery, Inc.'s revenue compounded faster (8.1% CAGR vs -35.4%).

Chegg, Inc., is an American educational technology company based in Santa Clara, California. It provides homework help, digital and physical textbook rentals, textbooks, online tutoring, and other student services, powered by artificial intelligence. The company has 6.6 million subscribers. Chegg has been widely criticized for facilitating cheating and academic dishonesty among students.

Energy Recovery Inc. is an American manufacturer of energy recovery devices for water and CO2 refrigeration industries.

CHGG vs ERII — Head-to-Head

Bigger by revenue
CHGG
CHGG
1.1× larger
CHGG
$72.7M
$66.9M
ERII
Growing faster (revenue YoY)
ERII
ERII
+49.1% gap
ERII
-0.3%
-49.4%
CHGG
More free cash flow
ERII
ERII
$21.9M more FCF
ERII
$6.4M
$-15.5M
CHGG
Faster 2-yr revenue CAGR
ERII
ERII
Annualised
ERII
8.1%
-35.4%
CHGG

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CHGG
CHGG
ERII
ERII
Revenue
$72.7M
$66.9M
Net Profit
$26.9M
Gross Margin
57.3%
67.2%
Operating Margin
-47.2%
46.8%
Net Margin
40.2%
Revenue YoY
-49.4%
-0.3%
Net Profit YoY
14.7%
EPS (diluted)
$-0.30
$0.49

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
CHGG
CHGG
ERII
ERII
Q4 25
$72.7M
$66.9M
Q3 25
$77.7M
$32.0M
Q2 25
$105.1M
$28.1M
Q1 25
$121.4M
Q4 24
$143.5M
$67.1M
Q3 24
$136.6M
$38.6M
Q2 24
$163.1M
$27.2M
Q1 24
$174.3M
$12.1M
Net Profit
CHGG
CHGG
ERII
ERII
Q4 25
$26.9M
Q3 25
$-17.5M
$3.9M
Q2 25
$-35.7M
$2.1M
Q1 25
$-17.5M
Q4 24
$23.5M
Q3 24
$-212.6M
$8.5M
Q2 24
$-616.9M
$-642.0K
Q1 24
$-1.4M
$-8.3M
Gross Margin
CHGG
CHGG
ERII
ERII
Q4 25
57.3%
67.2%
Q3 25
59.2%
64.2%
Q2 25
66.3%
64.0%
Q1 25
55.5%
Q4 24
68.2%
70.2%
Q3 24
68.2%
65.1%
Q2 24
72.2%
64.6%
Q1 24
73.3%
59.0%
Operating Margin
CHGG
CHGG
ERII
ERII
Q4 25
-47.2%
46.8%
Q3 25
-22.0%
11.4%
Q2 25
-34.7%
5.3%
Q1 25
-23.9%
Q4 24
-19.0%
38.2%
Q3 24
-162.7%
18.3%
Q2 24
-297.3%
-7.4%
Q1 24
-1.4%
-90.4%
Net Margin
CHGG
CHGG
ERII
ERII
Q4 25
40.2%
Q3 25
-22.5%
12.1%
Q2 25
-33.9%
7.3%
Q1 25
-14.4%
Q4 24
35.0%
Q3 24
-155.7%
22.0%
Q2 24
-378.1%
-2.4%
Q1 24
-0.8%
-68.3%
EPS (diluted)
CHGG
CHGG
ERII
ERII
Q4 25
$-0.30
$0.49
Q3 25
$-0.16
$0.07
Q2 25
$-0.33
$0.04
Q1 25
$-0.17
Q4 24
$-0.03
$0.40
Q3 24
$-2.05
$0.15
Q2 24
$-6.01
$-0.01
Q1 24
$-0.01
$-0.14

Balance Sheet & Financial Strength

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

Metric
CHGG
CHGG
ERII
ERII
Cash + ST InvestmentsLiquidity on hand
$72.8M
$75.2M
Total DebtLower is stronger
Stockholders' EquityBook value
$119.6M
$206.2M
Total Assets
$278.0M
$231.5M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CHGG
CHGG
ERII
ERII
Q4 25
$72.8M
$75.2M
Q3 25
$96.4M
$70.4M
Q2 25
$85.6M
$79.5M
Q1 25
$88.3M
Q4 24
$315.7M
$78.0M
Q3 24
$361.1M
$118.6M
Q2 24
$345.5M
$101.0M
Q1 24
$390.8M
$117.4M
Stockholders' Equity
CHGG
CHGG
ERII
ERII
Q4 25
$119.6M
$206.2M
Q3 25
$146.1M
$180.8M
Q2 25
$157.9M
$185.2M
Q1 25
$185.7M
Q4 24
$193.0M
$210.0M
Q3 24
$185.0M
$233.9M
Q2 24
$365.5M
$218.5M
Q1 24
$963.5M
$216.0M
Total Assets
CHGG
CHGG
ERII
ERII
Q4 25
$278.0M
$231.5M
Q3 25
$378.3M
$209.6M
Q2 25
$404.5M
$212.3M
Q1 25
$438.8M
Q4 24
$869.0M
$242.8M
Q3 24
$1.0B
$262.7M
Q2 24
$1.1B
$249.0M
Q1 24
$1.7B
$244.3M

Cash Flow & Capital Efficiency

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

Metric
CHGG
CHGG
ERII
ERII
Operating Cash FlowLast quarter
$-9.0M
$7.1M
Free Cash FlowOCF − Capex
$-15.5M
$6.4M
FCF MarginFCF / Revenue
-21.3%
9.6%
Capex IntensityCapex / Revenue
8.9%
1.0%
Cash ConversionOCF / Net Profit
0.26×
TTM Free Cash FlowTrailing 4 quarters
$-12.6M
$15.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CHGG
CHGG
ERII
ERII
Q4 25
$-9.0M
$7.1M
Q3 25
$4.8M
$-3.1M
Q2 25
$-4.8M
$4.1M
Q1 25
$24.5M
Q4 24
$18.1M
$9.0M
Q3 24
$39.5M
$-3.0M
Q2 24
$14.2M
$8.1M
Q1 24
$53.3M
$6.5M
Free Cash Flow
CHGG
CHGG
ERII
ERII
Q4 25
$-15.5M
$6.4M
Q3 25
$-943.0K
$-3.5M
Q2 25
$-12.1M
$4.0M
Q1 25
$15.9M
Q4 24
$4.8M
$8.9M
Q3 24
$23.7M
$-3.2M
Q2 24
$-3.6M
$7.9M
Q1 24
$25.3M
$5.7M
FCF Margin
CHGG
CHGG
ERII
ERII
Q4 25
-21.3%
9.6%
Q3 25
-1.2%
-10.9%
Q2 25
-11.5%
14.3%
Q1 25
13.1%
Q4 24
3.4%
13.2%
Q3 24
17.3%
-8.2%
Q2 24
-2.2%
28.9%
Q1 24
14.5%
46.9%
Capex Intensity
CHGG
CHGG
ERII
ERII
Q4 25
8.9%
1.0%
Q3 25
7.4%
1.1%
Q2 25
6.9%
0.5%
Q1 25
7.1%
Q4 24
9.3%
0.2%
Q3 24
11.6%
0.4%
Q2 24
10.9%
0.7%
Q1 24
16.1%
6.8%
Cash Conversion
CHGG
CHGG
ERII
ERII
Q4 25
0.26×
Q3 25
-0.81×
Q2 25
2.02×
Q1 25
Q4 24
0.38×
Q3 24
-0.35×
Q2 24
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

CHGG
CHGG

Segment breakdown not available.

ERII
ERII

Water Segment$38.6M58%
Other$11.0M16%
Original Equipment Manufacturer$10.6M16%
Aftermarket$6.6M10%

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