vs

Side-by-side financial comparison of Perma-Pipe International Holdings, Inc. (PPIH) and STEM, INC. (STEM). Click either name above to swap in a different company.

Perma-Pipe International Holdings, Inc. is the larger business by last-quarter revenue ($61.1M vs $47.1M, roughly 1.3× STEM, INC.). Perma-Pipe International Holdings, Inc. runs the higher net margin — 10.3% vs -33.9%, a 44.2% gap on every dollar of revenue. On growth, Perma-Pipe International Holdings, Inc. posted the faster year-over-year revenue change (47.1% vs -15.6%). Over the past eight quarters, STEM, INC.'s revenue compounded faster (36.1% CAGR vs 23.4%).

Perma-Pipe International Holdings, Inc. designs, manufactures and supplies pre-insulated piping systems and integrated leak detection solutions. Its offerings cater to oil & gas, district heating and cooling, industrial, and municipal infrastructure segments, with a global footprint spanning North America, the Middle East, Europe and Asia.

StemCells, Inc. is a public biopharmaceutical company headquartered in Newark, California, that is developing purified human neural stem cells (HuCNS-SCs) in the hopes of treating central nervous system disorders and paralysis. StemCells' HuCNS-SCs have the ability to differentiate into the three main types of cells found in the central nervous system: neurons, astrocytes and oligodendrocytes.

PPIH vs STEM — Head-to-Head

Bigger by revenue
PPIH
PPIH
1.3× larger
PPIH
$61.1M
$47.1M
STEM
Growing faster (revenue YoY)
PPIH
PPIH
+62.7% gap
PPIH
47.1%
-15.6%
STEM
Higher net margin
PPIH
PPIH
44.2% more per $
PPIH
10.3%
-33.9%
STEM
Faster 2-yr revenue CAGR
STEM
STEM
Annualised
STEM
36.1%
23.4%
PPIH

Income Statement — Q3 FY2026 vs Q4 FY2025

Metric
PPIH
PPIH
STEM
STEM
Revenue
$61.1M
$47.1M
Net Profit
$6.3M
$-16.0M
Gross Margin
34.4%
48.9%
Operating Margin
18.6%
-17.7%
Net Margin
10.3%
-33.9%
Revenue YoY
47.1%
-15.6%
Net Profit YoY
153.5%
68.8%
EPS (diluted)
$0.77
$-4.40

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
PPIH
PPIH
STEM
STEM
Q4 25
$61.1M
$47.1M
Q3 25
$47.9M
$38.2M
Q2 25
$46.7M
$38.4M
Q1 25
$45.0M
$32.5M
Q4 24
$41.6M
$55.8M
Q3 24
$37.5M
$29.3M
Q2 24
$34.3M
$34.0M
Q1 24
$40.2M
$25.5M
Net Profit
PPIH
PPIH
STEM
STEM
Q4 25
$6.3M
$-16.0M
Q3 25
$851.0K
$-23.8M
Q2 25
$5.0M
$202.5M
Q1 25
$1.8M
$-25.0M
Q4 24
$2.5M
$-51.1M
Q3 24
$3.3M
$-148.3M
Q2 24
$1.4M
$-582.3M
Q1 24
$8.6M
$-72.3M
Gross Margin
PPIH
PPIH
STEM
STEM
Q4 25
34.4%
48.9%
Q3 25
30.1%
35.5%
Q2 25
35.8%
33.4%
Q1 25
33.7%
32.4%
Q4 24
33.9%
-4.4%
Q3 24
35.9%
21.2%
Q2 24
30.6%
27.6%
Q1 24
30.0%
-95.0%
Operating Margin
PPIH
PPIH
STEM
STEM
Q4 25
18.6%
-17.7%
Q3 25
6.7%
-33.6%
Q2 25
16.9%
-34.8%
Q1 25
12.1%
-65.0%
Q4 24
13.4%
-84.4%
Q3 24
16.4%
-493.2%
Q2 24
9.1%
-1705.5%
Q1 24
11.3%
-267.0%
Net Margin
PPIH
PPIH
STEM
STEM
Q4 25
10.3%
-33.9%
Q3 25
1.8%
-62.2%
Q2 25
10.6%
527.8%
Q1 25
3.9%
-76.9%
Q4 24
6.0%
-91.6%
Q3 24
8.8%
-506.3%
Q2 24
4.2%
-1712.6%
Q1 24
21.5%
-283.9%
EPS (diluted)
PPIH
PPIH
STEM
STEM
Q4 25
$0.77
$-4.40
Q3 25
$0.10
$-2.84
Q2 25
$0.61
$-1.79
Q1 25
$0.23
$-0.15
Q4 24
$0.31
$-15.29
Q3 24
$0.40
$-18.24
Q2 24
$0.18
$-71.81
Q1 24
$1.07
$-0.46

Balance Sheet & Financial Strength

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

Metric
PPIH
PPIH
STEM
STEM
Cash + ST InvestmentsLiquidity on hand
$27.2M
$48.9M
Total DebtLower is stronger
$12.7M
Stockholders' EquityBook value
$85.8M
$-249.4M
Total Assets
$217.0M
$308.9M
Debt / EquityLower = less leverage
0.15×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PPIH
PPIH
STEM
STEM
Q4 25
$27.2M
$48.9M
Q3 25
$17.3M
$43.1M
Q2 25
$18.8M
$40.8M
Q1 25
$15.7M
$58.6M
Q4 24
$13.3M
$56.3M
Q3 24
$9.5M
$75.4M
Q2 24
$7.7M
$89.6M
Q1 24
$5.8M
$112.8M
Total Debt
PPIH
PPIH
STEM
STEM
Q4 25
$12.7M
Q3 25
Q2 25
Q1 25
$15.2M
Q4 24
Q3 24
Q2 24
Q1 24
$15.2M
Stockholders' Equity
PPIH
PPIH
STEM
STEM
Q4 25
$85.8M
$-249.4M
Q3 25
$80.2M
$-235.7M
Q2 25
$77.9M
$-214.1M
Q1 25
$72.1M
$-417.5M
Q4 24
$71.2M
$-398.4M
Q3 24
$68.6M
$-344.1M
Q2 24
$65.5M
$-203.2M
Q1 24
$65.7M
$371.6M
Total Assets
PPIH
PPIH
STEM
STEM
Q4 25
$217.0M
$308.9M
Q3 25
$189.0M
$362.6M
Q2 25
$178.3M
$379.2M
Q1 25
$165.2M
$405.1M
Q4 24
$160.7M
$437.4M
Q3 24
$157.8M
$537.8M
Q2 24
$155.7M
$691.5M
Q1 24
$155.7M
$1.3B
Debt / Equity
PPIH
PPIH
STEM
STEM
Q4 25
0.15×
Q3 25
Q2 25
Q1 25
0.21×
Q4 24
Q3 24
Q2 24
Q1 24
0.23×

Cash Flow & Capital Efficiency

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

Metric
PPIH
PPIH
STEM
STEM
Operating Cash FlowLast quarter
$17.3M
$8.2M
Free Cash FlowOCF − Capex
$12.4M
FCF MarginFCF / Revenue
20.2%
Capex IntensityCapex / Revenue
8.1%
Cash ConversionOCF / Net Profit
2.74×
TTM Free Cash FlowTrailing 4 quarters
$12.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PPIH
PPIH
STEM
STEM
Q4 25
$17.3M
$8.2M
Q3 25
$-2.0M
$11.4M
Q2 25
$733.0K
$-21.3M
Q1 25
$6.0M
$8.5M
Q4 24
$5.2M
$-14.7M
Q3 24
$2.8M
$-9.4M
Q2 24
$-73.0K
$-11.9M
Q1 24
$7.1M
$-621.0K
Free Cash Flow
PPIH
PPIH
STEM
STEM
Q4 25
$12.4M
Q3 25
$-4.6M
Q2 25
$-194.0K
Q1 25
$4.7M
Q4 24
$4.8M
Q3 24
$2.2M
Q2 24
$-662.0K
Q1 24
$4.2M
FCF Margin
PPIH
PPIH
STEM
STEM
Q4 25
20.2%
Q3 25
-9.6%
Q2 25
-0.4%
Q1 25
10.5%
Q4 24
11.6%
Q3 24
5.8%
Q2 24
-1.9%
Q1 24
10.5%
Capex Intensity
PPIH
PPIH
STEM
STEM
Q4 25
8.1%
Q3 25
5.3%
Q2 25
2.0%
Q1 25
2.9%
Q4 24
0.8%
Q3 24
1.7%
Q2 24
1.7%
Q1 24
7.2%
Cash Conversion
PPIH
PPIH
STEM
STEM
Q4 25
2.74×
Q3 25
-2.40×
Q2 25
0.15×
-0.11×
Q1 25
3.42×
Q4 24
2.07×
Q3 24
0.86×
Q2 24
-0.05×
Q1 24
0.82×

Financial Flow Comparison

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

Related Comparisons