vs

Side-by-side financial comparison of FLEXIBLE SOLUTIONS INTERNATIONAL INC (FSI) and QT IMAGING HOLDINGS, INC. (QTI). Click either name above to swap in a different company.

FLEXIBLE SOLUTIONS INTERNATIONAL INC is the larger business by last-quarter revenue ($9.1M vs $8.3M, roughly 1.1× QT IMAGING HOLDINGS, INC.). FLEXIBLE SOLUTIONS INTERNATIONAL INC runs the higher net margin — -5.1% vs -16.8%, a 11.7% gap on every dollar of revenue. On growth, QT IMAGING HOLDINGS, INC. posted the faster year-over-year revenue change (877.2% vs -0.5%).

Flexible Solutions International Inc develops and manufactures specialty chemicals for water conservation, energy efficiency, and agricultural use. Core products include water body evaporative reduction solutions, farm crop yield additives, and swimming pool heat retention products, serving customers across North America and global agricultural markets.

QT Imaging Holdings, Inc. is a medical technology company that designs, manufactures and commercializes non-invasive medical imaging systems primarily for breast health diagnostics. It serves healthcare providers, clinics and medical institutions across key markets including North America, Europe and Asia-Pacific, focusing on improving the accuracy and accessibility of diagnostic imaging for patients.

FSI vs QTI — Head-to-Head

Bigger by revenue
FSI
FSI
1.1× larger
FSI
$9.1M
$8.3M
QTI
Growing faster (revenue YoY)
QTI
QTI
+877.7% gap
QTI
877.2%
-0.5%
FSI
Higher net margin
FSI
FSI
11.7% more per $
FSI
-5.1%
-16.8%
QTI

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
FSI
FSI
QTI
QTI
Revenue
$9.1M
$8.3M
Net Profit
$-460.9K
$-1.4M
Gross Margin
29.4%
38.0%
Operating Margin
11.6%
-8.5%
Net Margin
-5.1%
-16.8%
Revenue YoY
-0.5%
877.2%
Net Profit YoY
-167.8%
60.2%
EPS (diluted)
$-0.03
$-1.00

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
FSI
FSI
QTI
QTI
Q4 25
$9.1M
$8.3M
Q3 25
$10.6M
$4.2M
Q2 25
$11.4M
$3.7M
Q1 25
$7.5M
$2.8M
Q4 24
$9.2M
Q3 24
$9.3M
Q2 24
$10.5M
$1.7M
Q1 24
$9.2M
$1.4M
Net Profit
FSI
FSI
QTI
QTI
Q4 25
$-460.9K
$-1.4M
Q3 25
$-503.4K
$-4.6M
Q2 25
$2.0M
$-4.0M
Q1 25
$-277.7K
$-11.1M
Q4 24
$679.6K
Q3 24
$611.9K
Q2 24
$1.3M
$-1.2M
Q1 24
$457.2K
$-628.6K
Gross Margin
FSI
FSI
QTI
QTI
Q4 25
29.4%
38.0%
Q3 25
23.9%
43.0%
Q2 25
47.4%
49.9%
Q1 25
26.1%
64.7%
Q4 24
29.2%
Q3 24
40.9%
Q2 24
37.4%
51.0%
Q1 24
30.6%
55.8%
Operating Margin
FSI
FSI
QTI
QTI
Q4 25
11.6%
-8.5%
Q3 25
2.9%
-39.4%
Q2 25
29.0%
-28.5%
Q1 25
-0.9%
-37.2%
Q4 24
9.4%
Q3 24
20.5%
Q2 24
18.7%
-129.5%
Q1 24
8.3%
-409.5%
Net Margin
FSI
FSI
QTI
QTI
Q4 25
-5.1%
-16.8%
Q3 25
-4.8%
-108.7%
Q2 25
17.8%
-109.3%
Q1 25
-3.7%
-397.9%
Q4 24
7.4%
Q3 24
6.6%
Q2 24
12.3%
-72.9%
Q1 24
5.0%
-46.1%
EPS (diluted)
FSI
FSI
QTI
QTI
Q4 25
$-0.03
$-1.00
Q3 25
$-0.04
$-0.47
Q2 25
$0.15
$-0.14
Q1 25
$-0.02
$-0.40
Q4 24
$0.05
Q3 24
$0.05
Q2 24
$0.10
$-0.30
Q1 24
$0.04
$-0.05

Balance Sheet & Financial Strength

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

Metric
FSI
FSI
QTI
QTI
Cash + ST InvestmentsLiquidity on hand
$10.4M
Total DebtLower is stronger
$4.4M
$10.1M
Stockholders' EquityBook value
$38.9M
$6.4M
Total Assets
$61.8M
$23.0M
Debt / EquityLower = less leverage
0.11×
1.57×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FSI
FSI
QTI
QTI
Q4 25
$10.4M
Q3 25
Q2 25
$10.0M
Q1 25
$11.0M
Q4 24
$10.0M
Q3 24
$13.0M
Q2 24
$9.2M
Q1 24
$8.3M
Total Debt
FSI
FSI
QTI
QTI
Q4 25
$4.4M
$10.1M
Q3 25
$7.1M
$15.1M
Q2 25
$7.5M
$10.1M
Q1 25
$8.1M
$10.2M
Q4 24
$8.8M
Q3 24
$9.4M
Q2 24
$8.3M
$11.7M
Q1 24
$8.0M
$11.7M
Stockholders' Equity
FSI
FSI
QTI
QTI
Q4 25
$38.9M
$6.4M
Q3 25
$39.0M
$-9.1M
Q2 25
$39.4M
$-324.3K
Q1 25
$38.4M
$-20.2M
Q4 24
$38.0M
Q3 24
$36.9M
Q2 24
$36.2M
$-6.2M
Q1 24
$36.0M
$-4.9M
Total Assets
FSI
FSI
QTI
QTI
Q4 25
$61.8M
$23.0M
Q3 25
$58.4M
$12.1M
Q2 25
$58.2M
$11.6M
Q1 25
$61.7M
$10.9M
Q4 24
$60.0M
Q3 24
$57.8M
Q2 24
$56.3M
$10.8M
Q1 24
$57.6M
$12.9M
Debt / Equity
FSI
FSI
QTI
QTI
Q4 25
0.11×
1.57×
Q3 25
0.18×
Q2 25
0.19×
Q1 25
0.21×
Q4 24
0.23×
Q3 24
0.25×
Q2 24
0.23×
Q1 24
0.22×

Cash Flow & Capital Efficiency

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

Metric
FSI
FSI
QTI
QTI
Operating Cash FlowLast quarter
$-3.0M
$-3.1M
Free Cash FlowOCF − Capex
$-4.0M
FCF MarginFCF / Revenue
-44.3%
Capex IntensityCapex / Revenue
11.7%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-591.7K

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FSI
FSI
QTI
QTI
Q4 25
$-3.0M
$-3.1M
Q3 25
$2.0M
$-878.8K
Q2 25
$5.3M
$-1.4M
Q1 25
$-544.3K
$-3.5M
Q4 24
$-2.2M
Q3 24
$2.5M
Q2 24
$5.9M
$-979.6K
Q1 24
$-604.8K
$-6.0M
Free Cash Flow
FSI
FSI
QTI
QTI
Q4 25
$-4.0M
Q3 25
$39.4K
Q2 25
$4.3M
Q1 25
$-898.4K
Q4 24
$-4.3M
Q3 24
$1.3M
Q2 24
$4.7M
Q1 24
$-1.1M
FCF Margin
FSI
FSI
QTI
QTI
Q4 25
-44.3%
Q3 25
0.4%
Q2 25
37.9%
Q1 25
-12.0%
Q4 24
-47.0%
Q3 24
13.6%
Q2 24
44.9%
Q1 24
-11.7%
Capex Intensity
FSI
FSI
QTI
QTI
Q4 25
11.7%
Q3 25
18.7%
0.0%
Q2 25
8.6%
Q1 25
4.7%
Q4 24
22.8%
Q3 24
13.0%
Q2 24
11.3%
Q1 24
5.2%
Cash Conversion
FSI
FSI
QTI
QTI
Q4 25
Q3 25
Q2 25
2.60×
Q1 25
Q4 24
-3.27×
Q3 24
4.05×
Q2 24
4.59×
Q1 24
-1.32×

Financial Flow Comparison

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

Related Comparisons